УЗЕЛ СТУПИЦЫ КОЛЕСА

Изобретение относится к уплотнительному элементу крепления колпака к ступице колеса. Колпак колеса характеризуется наличием защитного участка, который закрывает собой зазор, образованный между ступицей и колпаком колеса. В ступице колеса предусмотрен узел, в котором располагается уплотнительный элемент, вставленный в зазор между колпаком и ступицей колеса. Уплотнительный элемент характеризуется наличием тела и уплотнительной кромки, при этом уплотнительная кромка обращена в сторону внешней области и выступает за его пределы. Технический результат – повышение надежности изоляции внутреннего пространства ступицы. 10 з.п. ф-лы, 4 ил.

МОДУЛЬ ПОДШИПНИКА СТУПИЦЫ КОЛЕСА

... 1. Модуль подшипника ступицы колеса (100, 200, 300, 400, 500), в частности, для грузовых автомобилей со ступицей колеса (104, 204, 304, 404, 504), установленной на опорной шейке подшипника (103, 503) с возможностью вращения при помощи двух расположенных на расстоянии друг от друга конических роликовых подшипников (105, 106, 505), соответственно, с одним наружным кольцом (109, 110, 209, 309), одним внутренним кольцом (111, 112, 311, 411, 511) и одним расположенным между ними комплектом роликов в сепараторе (113, 114, 213, 313), состоящим из конических роликов (117, 118, 217) и одного сепаратора подшипника (115, 116) для них, причем конические роликовые подшипники (105, 106, 505) зажаты направленными друг напротив друга при помощи их наружных колец (109, 209, 309), соответственно, на одном осевом упоре (121, 122) ступицы колеса (104, 204, 304, 404, 504), и внутренние кольца (111, 112, 311, 411, 511) конических роликовых подшипников (105, 106, 505) установлены на расстоянии друг от друга по ...

DREHSTÜTZENEINRICHTUNG MIT DREHGEBERVORRICHTUNG FÜR ANTRIEBSRAD

Endkappe für eine Achsanordnung

Endkappe (1, 2, 3) für eine Achsanordnung (4) einer Fahrradnabe (5), die Fahrradnabe (5) umfassend besagte Achsanordnung (4) mit einer hohl ausgeführten Achse (6), und ferner umfassend einen mittels Lagern (7, 8) rotierbar auf der Achse (6) gelagerten Nabenkörper (9), wobei die Achsanordnung (4) mindestens eine Endkappe (1, 2, 3) aufweist, welche auf ein Ende (10, 11) der Achse (6) aufsteckbar ist, und wobei die Endkappe (1, 2, 3) an ihrem distalen Ende (12, 13, 14) einen Überstand (18, 19, 20) aufweist, welcher einen Innendurchmesser (D1, D2, D3) hat, der höchstens dem Innendurchmesser (D4) der Achse (6) entspricht, und der eine die Gesamtlänge der Endkappe (1, 2, 3) unterschreitende axiale Länge (L1, L2, L2) aufweist, und wobei die Endkappe (1, 2, 3) eine innenliegende Stirnfläche (27, 28, 29) zum Zusammenwirken mit einer außenliegenden Stirnfläche (30, 31) der Achse (6) bereitstellt, und wobei die Endkappe (1, 2, 3) einen vor ihrem proximalen Ende (15, 16, 17) angeordneten Lagerschirm ...

Kappe für Lagervorrichtung

Eine Kappe für eine Lagervorrichtung ist an einem Endabschnitt eines Außenringelements in einer Lagervorrichtung angebracht, um einen Öffnungsabschnitt zu blockieren, und umfasst Folgendes: ein zylindrisches Teil, das an dem Außenringelement angebaut ist; ein Deckelteil, das konfiguriert ist, um einen Endabschnitt des zylindrischen Teils zu blockieren; ein ringförmiges Dichtungsteil, das konfiguriert ist, wenn es an dem Außenringelement angebaut wird, um zwischen der Kappe für eine Lagervorrichtung und dem Außenringelement komprimiert zu werden; und ein Belüftungsteil, das im Verlauf des Anbauens des zylindrischen Teils an dem Außenringelement Luft zwischen dem Inneren und dem Äußeren eines Lagerraums durchgehen lässt, und in dem Zustand, in dem das zylindrische Teil an dem Außenringelement angebaut ist, wird die Belüftung abgeschaltet.

Radlagereinheit

Radlagereinheit mit wenigstens einem Innenring (10), gekennzeichnet durch wenigstens ein Dichtungselement (12), welches unmittelbar an einer Stirnseitenfläche (14) des Innenrings angeordnet ist und diese berührt.

Lagereinheit

Die Erfindung geht aus von einer Lagereinheit, insbesondere LKW-Radlagereinheit oder LKW-Anhänger-Radlagereinheit, mit einer ersten und wenigstens einer zweiten Reihe (10, 12) von Wälzkörpern, mit einem ersten Innenring (14), welcher wenigstens eine erste Laufbahn zum Abrollen der ersten Reihe von Wälzkörper aufweist, und mit einem zweiten Innenring (16), welcher wenigstens eine zweite Laufbahn zum Abrollen der zweiten Reihe von Wälzkörper aufweist, und mit einem ersten Teilring (20), der zu einer Befestigung des ersten Innenrings an dem zweiten Innenring wenigstens beiträgt.Es wird vorgeschlagen, dass die Lagereinheit zumindest einen zweiten Teilring (22) aufweist, der in Bezug auf eine Umfangsrichtung des ersten Innenrings wenigstens teilweise zwischen zwei Enden (24, 26) des ersten Teilrings angeordnet ist.

Abdeckung für eine Fahrradnabenschalteinrichtung

ANORDNUNG ZUR LAGERUNG EINER ROLLE OD. DGL.

Radlagerung einer angetriebenen Starrachse

Radlagerung einer angetriebenen Starrachse, – mit einer Antriebswelle (30), – mit einer Wälzlagereinheit (10), die mindestens einen Innen- (12, 22) und mindestens einen Außenring (11) umfasst, wobei ein zur Außenseite des Fahrzeuges orientierter Innenring (12) mit einem in diese Richtung ausgerichteten Stirnflansch (17) ausgebildet ist und zumindest auf einem Teilbereich seiner Länge ein Nabenprofil (19) einer Wellen-Naben-Verbindung (19, 34) aufweist, das mit einem auf der Antriebswelle (30) angeordneten komplementären Profil (34) in Verbindung steht, – mit einem am Fahrzeugaufbau drehstarr gelagerten Achskörper (60), der die Antriebswelle (30) zumindest auf einem Teilbereich ihrer Länge radial umgibt und der einen Außenring (11) der Wälzlagereinheit (10) bildet oder aufnimmt, – mit einem Radflansch (45), der mindestens ein Antriebsrad aufnimmt und – mit einer Bremsscheibe (40), die einen Reibring (52) und einen Bremsscheibentopf (42) umfasst, – wobei die Bremsscheibe (40) zusammen mit ...

HUB, IN PARTICULAR FOR BICYCLES AND SUCH A THING

Visual indicator for pressurized hub

HUB BEARING ASSEMBLY FOR DISCS FOR SOIL CULTIVATION

Hub bearing assembly (1)(1') for the rotatable mounting of a soil cultivating disc (D) on a support shaft (A) of an agricultural machine, the assembly (1)(1') being provided with: - a hub bearing unit (10) which in turn is provided with a flanged outer ring (II) carrying two integral outer raceways (14a, 146) for respective rows of rolling bodies (15a, 15b), a flange (12) fixed to the flanged outer ring (II) for mounting a disc (D), and, for each outer raceway (15a, 15b), an inner ring (16a, 16b) axially adjacent to the other inner ring (16a, 16b), both of which can be engaged by the support shaft (A); and - a sealing device (50) mounted on a side of the hub bearing assembly (10) opposite the side of the flange (12), composed of a first sealing stage (60) and a second sealing stage (70) arranged sequentially along the support shaft (A) and housed in respective seats (21, 22) formed directly in the flanged outer ring (II). [Figure 1] ...

UNITIZED WHEELEND ASSEMBLY AND METHOD OF INSTALLATION

A unitized wheelend is provided. The unitized wheelend includes a hub having an inboard side bounded by an oil seal and an outboard side bounded by a retainer releasably coupled to the hub. The unitized wheelend assembly includes an inboard bearing assembly, a spacer, an outboard bearing assembly, and a spindle nut assembly.

WHEEL ASSEMBLY SEAL

A wheel assembly includes a spindle; a wheel hub rotatable relative to the spindle; a seal mounted between the spindle and the wheel hub, the spindle, the wheel hub, and the seal defining a sealed cavity; and at least one bearing mounted between the spindle and the wheel hub within the sealed cavity, the at least one bearing facilitating rotation of the wheel hub relative to the spindle.

For a motor vehicle wheel bearing device

Bearing device for driving wheels

Provided is a bearing device for driving wheels, the bearing device improving workability during disassembly and assembly, and having improved durability as well. In the bearing device for driving wheels, an internal ring (5) is fixed to a hub ring (1) by a caulking part (13) formed by plastic-deforming an end of a small-diameter step part (1b) outward in the diameter direction; an external joint member (14) of a constant speed universal joint (3) integrally includes a shoulder part (19) and a cylindrical axis part (20) that extends from the shoulder part (19) in the axis direction and is provided with a female screw (20a); and face splines (19a) and (13a) are formed on end surfaces of the shoulder part (19) and the caulking part (13) respectively. Both of the face splines (19a) and (13a) are supported in a pressing manner by a fastening bolt (21) screwed so as to be fixed to the female screw (20a) of the axis (20) while abutting an end face of an outer side of the hub ring (1), the compressing ...

Bearing cap with sensor unit and hub unit bearing

The utility model relates to a bearing cap with a sensor unit and a hub unit bearing with the bearing cap, wherein the bearing cap is formed by installing the sensor unit on a bearing cap which is used for sealing an opening part of an outer ring forming the hub unit bearing. An O-ring is disposed in a radially compressed state between the inner peripheral surface of the axial intermediate portionof the holder insertion hole and the outer peripheral surface of the axial intermediate portion of the holder shaft portion. In the inner circumferential surface of the holder insertion hole, an annular recess is provided throughout the entire circumference in a range from an opening on the inside in the axial direction to a position adjacent to the inside in the axial direction of the position (P) at which the O-ring is disposed. The inner diameter of the annular recess is larger than the outer diameter of the O-shaped ring externally fitted to the holder shaft portion before being insertedinto ...

ROLLING BEARING COMPRISING A COVER SECURED TO THE FIXED MEMBER

MOUNTING ANTIFRICTION BEARING COMPRISING A CONTACTLESS TRANSFER OF ENERGY AND/OR INFORMATION

L'invention concerne un montage de palier à roulement comprenant un organe fixe (1), un organe tournant (2) et des corps roulants (3) disposés dans un espace de roulement prévu entre lesdits organes pour permettre leur rotation relative, ledit montage comprenant en outre un dispositif de transfert sans contact d'énergie et/ou d'information entre l'organe fixe (1) et l'organe tournant (2), ledit dispositif de transfert comprenant deux éléments de communication (11, 12) respectivement solidaires d'un organe (1, 2) et qui sont disposés à distance de transfert l'un de l'autre, dans lequel le dispositif de transfert comprend deux armatures (15, 16) porte élément de communication (11, 12), lesdites armatures étant respectivement solidaires de l'organe fixe (1) et de l'organe tournant (2), lesdites armatures portant en outre des joints d'étanchéité (17, 18) qui sont disposés de sorte à étanchéifier un côté de l'espace de roulement et à former un logement annulaire étanche entre lesdites armatures ...

휠 베어링

... 본 발명은 구성이 단순하면서도 씰링 성능이 강화된 휠 베어링에 관한 것이다. 본 발명의 실시예에 따른 휠 베어링은, 휠에 결합되는 허브; 상기 허브의 외주면을 이격되어 감싸도록 배치되고, 차체에 결합되는 외륜; 상기 허브와 상기 외륜의 사이에 개재되는 전동체; 및 상기 전동체보다 축방향 외측에서 상기 외륜과 상기 허브의 사이에 장착되는 씰링장치;를 포함할 수 있다. 상기 씰링장치는 상기 외륜과 상기 허브의 사이에서 상기 허브에 결합되는 허브 슬링거를 포함할 수 있다. 상기 외륜의 외주면에는 반경방향 내측으로 함몰된 씰링 홈이 형성되며, 상기 허브 슬링거의 일부분은 상기 씰링 홈에 배치될 수 있다.

휠 베어링 유닛

... 본 발명은, 외측 링 요소(2) 및 내측 링 요소(3)를 구비한 휠 베어링 유닛에 관한 것으로, 상기 링 요소들 사이에 2개 이상의 구름 요소 열(5, 6)이 배치되어 있으며, 내측 링 요소(3)는 반경방향 플랜지(4)를 구비하고 이 반경방향 플랜지는 축 바디에 또는 휠에 고정될 수 있으며, 이 경우 반경방향 플랜지(4) 쪽을 향하는 외측 링 요소(2)의 일 단부면(8)이 하나 이상의 돌출부(9, 12)를 구비한다.

Wheel bearing for vehicle having improved sealing function

BEARING DEVICE FOR WHEEL

A bearing device for a wheel, in which the sealing ability and durability of a seal are enhanced to extend the life of a bearing. The bearing device for a wheel has the seal (8) mounted to an opening of an annular space formed between an outer member (5) and a hub ring (1'). An inner base (6b) of a wheel mounting flange (6) has a circular arc cross-sectional shape, and the seal (8) makes sliding contact with the base (6b). A step (15) is formed between an inner side surface (6d) and the base (6b) of the wheel mounting flange (6), and a corner of the step (15) is formed in a combined circular arc surface having curvature radii (Ra, Rb). An annular recess (13) is formed in the inner periphery at the outer end of the outer member (5). A substantially L-shaped labyrinth seal (14) is formed so as to face the corner of the step with a small gap therebetween. Because of the construction above, stress concentration in the hub ring (1') is relaxed and the seal (8) is prevented from being directly ...

SEALING DEVICE

A sealing device which allows the man-hour for mounting the sealing device to be reduced is provided. A sealing device includes: a slinger fitted and fixed to an end portion of an inner shaft; a core metal fitted and fixed to an end portion of an outer ring; an inner seal lip fixed to the core metal and in slidable contact with the slinger; an outer seal lip fixed to the core metal radially outward of the inner seal lip and in slidable contact with a side surface of a flange portion; and a labyrinth lip fixed to the core metal radially outward of the outer seal lip and forming a labyrinth seal together with the side surface of the flange portion. 1. A sealing device used in a rolling bearing apparatus which includes an inner shaft and an outer ring disposed so as to be concentric with each other and in which a flange portion having a side surface opposed to an end surface of the outer ring with a gap provided therebetween is integrally formed at an end portion of the inner shaft , the sealing device sealing an annular space between the inner shaft and the outer ring , the sealing device comprising:a slinger fitted and fixed to the end portion of the inner shaft and extending in a radially outward direction;a core metal fitted and fixed to an end portion of the outer ring;an inner seal lip fixed to the core metal and in slidable contact with the slinger;an outer seal lip fixed to the core metal radially outward of the inner seal lip and in slidable contact with the side surface of the flange portion; anda labyrinth lip fixed to the core metal radially outward of the outer seal lip, the labyrinth lip forming a labyrinth seal together with the side surface of the flange portion.2. The sealing device according to claim 1 , wherein the slinger includes: a cylindrical portion which is fitted and fixed to the end portion of the inner shaft; and an annular portion which extends in the radially outward direction from an end portion of the cylindrical portion and is disposed ...

METHOD FOR MANUFACTURING HUB UNIT

A method for manufacturing a hub unit includes: preparing a hub unit intermediate including an inner shaft, an inner ring fixed to an axial end of the inner shaft, and an outer ring rotatably arranged with respect to the inner shaft and the inner ring; preparing a magnetic seal member including a seal member and an annular magnetic member having no magnetic pole; and arranging the magnetic seal member between the inner ring and the outer ring of the hub unit intermediate. The method further includes: forming splines extending along the axial direction by cutting the inner circumferential surface of the inner shaft of the hub unit intermediate in which the magnetic seal member has been arranged; and forming magnetic poles in a circumferential direction of the magnetic member of the hub unit intermediate in which the plurality of splines have been formed.

Wheel bearing for a driven rigid axle

A wheel bearing for a driven rigid axle, having a drive shaft includes a rolling bearing unit which comprises at least one inner race and at least one outer race, an inner race which is oriented toward the outside of the vehicle being designed with an end flange aligned in this direction, and further includes at least along a partial region of its length, a hub profile of a shaft-hub connection, the hub profile being connected to a complementary profile arranged on the drive shaft, an axle body which is mounted in a rotationally fixed manner on the vehicle body, radially surrounds the drive shaft at least along a partial region of its length and forms or accommodates an outer race of the rolling bearing unit, a wheel flange which accommodates at least one drive wheel, and a brake disk which comprises a friction ring and a brake-disk chamber, the brake disk being releasably fastened together with the wheel flange to the end flange of the inner race. In the wheel bearing, the brake disk can ...

Wheel bearing apparatus

A wheel bearing apparatus has a protecting cover formed from non-magnetic steel sheet with a cup-shaped configuration. The protective cover has a cylindrical fitting portion, a disk-shaped shield portion, a radially reducing portion, a stepped portion and a bottom portion. The cylindrical fitting portion is press-fit into the inner circumference of the inner-side end of the outer member. The disk-shaped shielding portion extends radially inward from the fitting portion, via the radially reducing portion. The inner-side surface of the shielding portion is arranged close to or in contact with a rotation speed detecting sensor. The bottom portion is continuous with the shielding portion, via the stepped portion to close the inner-side end of the inner member. A full deflection of the side surface of the shielding portion that is caused by a load the same as that applied to the protecting cover when it is press-fit into the outer member is limited to a predetermined value or less.

HUB

A hub for bicycles including a hub axle, a hub shell, a rotor, and a toothed disk freewheel including a pair of interacting freewheel components namely, a hub-side freewheel component and a rotor-side freewheel component. The freewheel components each include axial engagement components for intermeshing with one another and are biased in the engagement position through a biasing device. The hub-side freewheel component is axially displaceably received in a threaded ring and is non-rotatably coupled with the hub shell in the driving direction. The rotor-side freewheel component is non-rotatably provided at the rotor for transmitting rotational movement from the rotor to the hub shell in the engagement position of the two freewheel components. The threaded ring is provided with a multiple thread and is screwed to a multiple thread of the hub shell.

Bearing arrangement for an electric motor or generator

A bearing arrangement for mounting a wheel and an electric motor or generator having a stator and a rotor to a vehicle, the bearing arrangement comprising a sealing element and a bearing block, wherein the bearing block includes a first coupling element for coupling to a first radial wall of the rotor and the wheel, and a second coupling element for coupling to the stator and/or the vehicle, with a first bearing mounted between the first coupling element and the second coupling element to allow the first coupling element and the second coupling element to rotate relative to each other, wherein the first coupling element includes a mounting flange having a bolt hole arranged to extend through the mounting flange for receiving a bolt at a first aperture of the bolt hole for coupling the rotor and the wheel to the first coupling element, wherein the sealing element is arranged to be mounted over a second aperture of the bolt hole for inhibiting the ingress of dirt through the bolt hole.

Wheel bearing apparatus incorporated with a wheel speed detecting apparatus

A wheel bearing apparatus incorporating a wheel speed detecting apparatus has a wheel bearing with an outer member and an inner member. A sensor holder is injection molded from synthetic resin and is embedded with a wheel speed detecting sensor. The sensor holder is mounted on an inner side end of the outer member. The inner side seal of the seals includes an annular sealing plate, a slinger and a pulser ring. An anchoring portion is formed integrally with the metal core. The sensor holder is being integrally molded with the metal core from synthetic resin that surrounds the anchoring portion.

Bicycle hub

A bicycle hub includes a hub axle (104), a spacer (108) disposed over an outer periphery of the hub axle, a hub shell (112), and a bearing (132; 136) disposed between the spacer and the hub shell for rotatably supporting the hub shell on the hub axle. The bearing is of the type including an inner ring (200; 250), an outer ring (204; 254), and a plurality of rolling members (208; 256) disposed between the inner ring and the outer ring. To prevent dirt, sand and other foreign matter from entering the bearings, a seal (224) is disposed between the spacer and the hub shell laterally outwardly of the bearing (132). In an embodiment for a rear wheel the inner ring or the outer ring may be axially adjustable with respect to the spacer. Two bearings (132, 136) may be provided. An inner support member (272) may be provided between the hub shell (112) and a bearing (136) allowing space for a sprocket support member (284) to be provided.

ROLLING BEARING UNIT

ПОДШИПНИКОВЫЙ СТУПИЧНЫЙ УЗЕЛ, В ЧАСТНОСТИ, ДЛЯ СЕЛЬСКОХОЗЯЙСТВЕННОЙ ТЕХНИКИ, И УСТАНОВОЧНОЕ УСТРОЙСТВО

Внутриколесный узел с двигателем

Изобретение относится к внутриколесному узлу с двигателем. Внутриколесный узел (1) с двигателем содержит корпус (10), двигатель (20), редуктор (30), содержащий вращающуюся деталь (34), и выходной вал (36), прикрепленный к вращающейся детали (34) и проходящий в корпус (10), проходя за пределы корпуса в осевом направлении наружу, и подшипник (40) ступицы, содержащий подшипниковую часть (42) и ступичную часть (44), объединенную с подшипниковой частью (42). Часть выходного вала (36) поддерживается только подшипниковой частью (42). Часть (42) подшипниковой части расположена внутри корпуса (10). Внутри этой части расположен первый уплотнительный элемент (50), который герметично закрывает зазор между внутренним кольцом (40a) и наружным кольцом (40b). Достигается повышение надежности. 4 з.п. ф-лы, 3 ил.

СИСТЕМА СТУПИЦЫ КОЛЕСА ДЛЯ КОЛЕСА ТРАНСПОРТНОГО СРЕДСТВА И ПОЛЮСНОЕ КОЛЬЦО СЕНСОРА АБС

Provisorische Dicht-und Haltevorrichtung für Kugellager

Fahrradnabe

Laufradnabe

Laufradnabe, bestehend aus Nabenkörper (Na) und Achse (Ac), die durch Kugellager im Freilaufkörper (Ku1), Kugellager im Nabenkörper (Ku2), Freilaufkörper mit Labyrinthdichtung (Fl), Endkappe mit Labyrinthdichtung (EK1) und Endkappe 2 (EK2) miteinander verbunden sind, dadurch gekennzeichnet, daß zwischen der festen Achse und den beweglichen Körper der Nabe eine Labyrinthdichtung (La) und (Fl) angeordnet ist die den eindringenden Schmutz, automatisch nach außen bringt.

Attachment device for harvesting corn, has set of picking rollers, where crop picking gap is formed below picking rollers, and blade arranged at angle of incidence that is shallower than picking gap angle

The device (2) has a set of cutting devices (4) for cutting stalk crops i.e. corn, where each cutting device is arranged with a rotatably driven blade. A crop picking gap (18) is formed below a set of picking rollers (16). A plane of rotation is arranged for the rotatably driven blade. The blade is arranged at angle of incidence (alpha) that is shallower than picking gap angle (beta). A propelled chain conveyor (14) is arranged with a set of drivers.

Hinterradnabe, insbesondere für Fahrräder

Hinterradnabe, insbesondere für Fahrräder und dergleichen, mit einer Nabenachse und einem im Wesentlichen konzentrisch zu dieser Nabenachse angeordneten Nabengehäuse, zwei Lagereinrichtungen, welche im Wesentlichen zwischen dieser Nabenachse und diesem Nabengehäuse angeordnet sind, so dass das Nabengehäuse drehbar in Bezug auf diese Nabenachse gelagert ist, sowie einem in Bezug auf die Nabenachse drehbar gelagerten Rotor, welcher derart gestaltet ist, dass an diesem Rotor wenigstens ein Zahnrad anzuordnen ist, und mit einer Freilaufeinrichtung, welche zwischen dem Rotor und dem Nabengehäuse angeordnet ist und welche zwei Zahnscheibeneinrichtungen aufweist, deren Zahnflächen durch eine Vorspanneinrichtung aufeinander gedrückt werden, um das Antriebsmoment von dem Rotor auf das Nabengehäuse zu übertragen. Dabei sind die zwei Zahnscheibeneinrichtungen um die Nabenachse herum angeordnet und sind im bestimmungsgemäßen Zusammenbau dieser Nabe wenigstens im Ruhezustand quer zu der Längsrichtung ...

Dichtstruktur eines Radlagers für ein Fahrzeug und Radlager mit derselben

Ein Radlager, umfassend eine Nabe mit einem Flansch, einen Außenring mit einem Ende nahe dem Flansch und dem anderen Ende gegenüber dem Ende sowie relativ zur Nabe drehbar. Eine Dichtstruktur zum Dichten des Raums zwischen dem Flansch und dem Ende des Außenrings ist weiterhin umfasst.

AXLE-HUB ASSEMBLY

HUB STRUCTURE

A hub structure includes an axle housing, a hub having an insertion hole in a vehicle width direction through which the axle housing is inserted, and an inner bearing disposed between the hub and the axle housing in the insertion hole and rotatably supporting the hub with respect to the axle housing, and an oil seal disposed between the hub and the axle housing in the insertion hole on an inner side relative to the inner bearing in the vehicle width direction. A spacer is provided between the inner bearing and the oil seal in the insertion hole. The spacer has an outer end surface that is contactable with an inner end surface of an inner race of the inner bearing.

APPARATUS FOR DELIVERING AIR THROUGH POWERED AXLE ASSEMBLIES

An apparatus for delivering air through a powered axle assembly for use in automatic tire inflation systems. The apparatus comprises a base attachable to a non-rotating structure within the axle assembly and having the drive axle extend therethrough, A rotor is mountable in the axle assembly for rotation with the drive axle and for forming an air chamber between the rotor and the base and extending about the drive axle. An annular sealing member in sealing engagement with the rotor and the base is disposed within the air chamber and is rotatable with the rotor and with, respect to the base. The base includes at least one air inlet for delivering air in a radial direction into the air chamber and the rotor includes at least one air outlet for air flow out of the chamber.

MAIN SEAL FOR A HEAVY-DUTY VEHICLE WHEEL END ASSEMBLY

A wheel end assembly for a heavy-duty vehicle includes an axle spindle and a hub rotatably mounted on the axle spindle. A main seal extends radially between the axle spindle and the hub. The seal includes a dynamic portion that seats in a bore formed in the wheel hub, and a static portion that seats on the axle spindle. The static portion includes a rigid carrier that in turn includes a first member, and a second member that is rigidly attached to the first member. An elastomer is bonded to the carrier member and forms a first external lip. The first external lip extends generally parallel to a chamfer formed in an inboard end of the hub. The first external lip, other external features, and internal features prevent contaminants from entering the wheel end assembly, retain lubricant in the assembly, and provide a dynamic expulsion surface to expel contaminants.

BEARING COMBINES ROTULANT FOR ASSEMBLY OF CONNECTIONS PIVOT

BEARING HOUSING HAS SEALING AMELIOREE

Double swinging axle assembly for vehicles - has swinging side arms pivoting on roller bearings and stabilising and compensating springs

PNEUMATIC SYSTEM FOR INFLATION OF A POWERED AXLE INTEGRATED WHEEL

Abrégé : L'invention concerne un système pour alimentation pneumatique de roue comprenant un support de palier (10), un arbre (20) comprenant une extrémité (21) formant moyeu qui s'étend radialement (Y), au moins un jeu de roulement de palier (30), dans lequel le système comprend en outre une chambre (C) formée par l'extrémité (21) formant moyeu, le support de palier (10), un joint de roulement (40) et un joint de chambre (50), un canal primaire (60) traversant le support de palier (10) et débouchant dans la chambre (C), Un canal secondaire (70) traversant l'extrémité (21) formant moyeu et débouchant dans la chambre (C), dans lequel des joints étanchéifie la cavité (C) pour permettre à l'air de passer du canal primaire au canal secondaire via la cavité (C).

휠 베어링용 실링 캡

... 휠 베어링용 실링 캡이 개시된다. 차륜의 휠과 일체로 회전되게 결합되는 휠 허브 및 상기 휠 허브에 일체로 회전되게 결합되는 내륜을 축 방향으로 끼워서 회전 가능하게 지지하는 외륜의 내주면과 상기 휠 허브의 외주면 및 상기 내륜의 외주면 사이에 형성된 베어링 공간의 입구를 막아서 밀봉하도록 상기 외륜에 결합되는 실링 캡에 있어서, 상기 실링 캡은, 상기 휠 허브 및 상기 내륜으로부터 이격된 채로 상기 휠 허브의 중심으로부터 반경 방향을 따라 연장되다가 상기 내륜을 향해 절곡된 몸체부; 상기 내륜을 향하여 절곡된 몸체부로부터 절곡되어 상기 외륜의 반경 방향을 따라 연장되고, 상기 내륜과 상기 외륜 사이의 베어링 공간의 입구를 커버하는 커버부; 및 상기 커버부로부터 상기 휠 허브의 외측을 향하여 절곡되고, 상기 외륜과 결합되는 결합부를 포함하되; 상기 결합부에는 상기 베어링 공간과 외부를 연통시키는 노치 홀과, 상기 외륜에 의해 가압되어 상기 노치 홀을 막아서 밀봉시키는 노치 돌기가 구비된다 ...

SENSOR ASSEMBLY FOR WHEEL BEARING AND MANUFACTURING METHOD THEREOF

The present invention relates to a sensor assembly for a wheel bearing. The sensor assembly for a wheel bearing comprises: a sensor cap which is coupled to a stop ring of a wheel bearing, and blocks entry of a foreign substance from the outside; a sensor which is bolt-coupled to the sensor cap, and detects a rotational change amount of a rotary ring of the wheel bearing; and a coating unit arranged between the sensor cap and the sensor, and made of different liquid materials to block entry of a foreign substance between the sensor cap and the sensor. A sealing dam protrudes from the sensor cap in a shape corresponding to a side wall of the sensor in an axial direction to block entry of a foreign substance between the sensor cap and the sensor. Accordingly, a contact area between the sensor and the sensor cap is increased to elongate a path where an external foreign substance enters and improve sealing. Also, the sealing dam is formed on the sensor cap to surround the sensor to block entry ...

Wheel bearing apparatus for a vehicle

A vehicle wheel bearing apparatus has an outer member, an inner member, double row rolling elements, and seals mounted within annular openings formed between the outer member and the inner member. A metal annulus, mounted on the base portion, is press-formed of steel plate. The metal annulus has a cylindrical fitting portion, a curved portion, a disk shaped portion, and an overhang portion. The outer side seal of the seals has a metal core and a sealing member with side lips and a grease lip. The side lips and the grease lip sliding contact the metal annulus. The metal annulus overhang portion opposes the outer member via a slight radial gap and is formed with a flared configuration that gradually expands toward its end at a predetermined slant angle.

Wheel supporting device

A rolling bearing is provided on an outer peripheral surface of a hub spindle of a hub wheel on which a wheel is mounted. Opposite side face splines, which, by meshing with each other, couple the hub spindle and an outer ring of a constant velocity joint torque-transmittably, are respectively formed on an end face of the hub spindle and on an end face of the outer ring of the constant velocity joint which is abutted against this end face. A tubular seal member for covering outer peripheries of the opposite side face splines is disposed so as to straddle an inner ring of the rolling bearing and the outer ring of the constant velocity joint, while maintaining a sealing state.

Visual indicator for pressurized hub

A tactile and visual indicator is mounted on the hub cap of an axle of a vehicle. The indicator has a deformable face that protrudes away from the hub cap in response to the presence of pressurized air in the space containing the wheel bearings. The position of the deformable face indicates the presence or absence of hub integrity and indication of grease about the wheel bearings.

Wheel Bearing Apparatus

A wheel bearing apparatus has an outer member, an inner member and double row rolling elements contained between the outer member and the inner member. A first cap is press-fit into an inboard-side opening of the outer member. The first cap has a cylindrical fitting portion press-fit into an inside fitting surface of the outer member. A bottom portion extends radially inward from the fitting portion to cover the inboard-side end of the inner member. An elastic member is integrally adhered onto an inboard-side outer circumference of the fitting portion of the first cap. The elastic member projects radially outward beyond the outer diameter of the fitting portion. A retracted surface is formed on an inboard-side from the inside fitting surface, via a step portion. The retracted surface has a larger diameter than that of the inside fitting surface. The elastic member press-contacts against the retracted surface while being elastically deformed. 1. A wheel bearing apparatus comprising:an outer member integrally formed with a body mounting flange on its outer circumference, the body mounting flange is to be mounted on a body of a vehicle, the outer member inner circumference including double row outer raceway surfaces;an inner member including a wheel hub and at least one inner ring, the wheel hub is integrally formed, on its one end, with a wheel mounting flange, a cylindrical portion axially extends from the wheel mounting flange, the inner ring is press-fit onto the cylindrical portion of the wheel hub, the inner member outer circumference includes double row inner raceway surfaces opposing the double row outer raceway surfaces;double row rolling elements are contained between the outer raceway surfaces and inner raceway surfaces, respectively, of the outer member and the inner member;a seal mounted is in an outboard-side annular opening formed between the outer member and the inner member; anda first cap press-fit into an inboard-side opening of the outer member, the ...

Wheel End Assembly Having a Seal Interface with a Tone Ring

A wheel end assembly that has a spindle, a hub, a tone ring, and a seal assembly. The tone ring may be mounted to the hub and may have a tone ring opening that may extend around the spindle. The seal assembly may be disposed in the tone ring opening and may extend from the spindle to the tone ring. 1. A wheel end assembly comprising:a spindle;a hub that is rotatably disposed on the spindle;a tone ring that is fixedly mounted to the hub and that has a tone ring opening that extends around the spindle; anda seal that is disposed in the tone ring opening and that extends from the spindle to the tone ring.2. The wheel end assembly of wherein the seal is spaced apart from the hub.3. The wheel end assembly of wherein the seal is completely disposed in the tone ring opening.4. The wheel end assembly of wherein the hub extends continuously around at least a portion of the tone ring.5. The wheel end assembly of wherein the seal extends continuously around the spindle and the tone ring extends continuously around the seal.6. The wheel end assembly of wherein the spindle is disposed around an axis and has a spindle mounting flange that extends away from the axis and is mounted to a support member claim 5 , wherein the seal is axially positioned between the spindle mounting flange and a first wheel bearing that rotatably supports the hub.7. The wheel end assembly of wherein the support member is a steering knuckle.8. The wheel end assembly of wherein the seal is spaced apart from and does not engage the spindle mounting flange and the first wheel bearing.9. The wheel end assembly of wherein the hub has a hub cavity that receives the spindle and the first wheel bearing claim 6 , wherein at least a portion of the seal is disposed outside the hub cavity and is not received in the hub cavity.10. The wheel end assembly of wherein the tone ring is disposed between the hub and the seal and the seal is at least partially received in the hub cavity.11. A wheel end assembly comprising:a ...

Driving wheel bearing apparatus

A driving wheel bearing apparatus has an inner ring 5 secured to a wheel hub 1 by a caulked portion 13. An outer joint member 14 of a constant velocity universal joint 3 has a shoulder portion 19 and a cylindrical shaft portion. Face splines 19a and 13a are formed at the end faces of the shoulder portion 19 and the caulked portion 13. Face splines 19a and 13a are supported with pressure by a fastening bolt 21 that abuts the outer side end face of the wheel hub 1 and is threadedly connected to an internal thread 20a of the shaft portion 20. Compressive remaining stress is placed on the surfaces of the face splines 19a and 13a as a result of surface modification, by shot peening. The surface hardness is set at 300 Hv or more.

Hub unit bearing

Provided is a hub unit bearing wherein a cover can be firmly fitted with an outer ring member, and it is difficult for foreign matter to enter inside through a water drainage hole formed in the cover. The cover that covers the inside end section in the axial direction of the hub unit bearing includes a disk section, a small-diameter cylindrical section bent in the axial direction from the outer perimeter edge section of the disk section and a large-diameter cylindrical section. A cut and raised section that is cut and raised toward the inside in the radial direction is formed in the small-diameter cylindrical section, and a water drainage hole that passes through from inside to outside the cover is provided in the portion that is cut and separated from the small-diameter cylindrical section.

СИСТЕМА СТУПИЦЫ КОЛЕСА ДЛЯ КОЛЕСА ТРАНСПОРТНОГО СРЕДСТВА И ПОЛЮСНОЕ КОЛЬЦО СЕНСОРА АБС

Система ступицы колеса для колеса транспортного средства содержит расположенную на невращающемся поворотном кулаке (6) с возможностью вращения посредством ступичной опоры ступицу (1) колеса, которая внутрь транспортного средства заканчивается шейкой (50) ступицы, внутренняя периферия (15) которой образует отверстие (55) для центрального прохождения поворотного кулака (6) и на которой смонтирован крепежный участок (42) полюсного кольца (41) сенсора АБС. Составной частью полюсного кольца (41) является выполненный за одно целое с крепежным участком (42) генерирующий импульсы участок (43), который проходит от крепежного участка (42) к оси (А) ступицы колеса и снабжен равномерно распределенными в окружном направлении отверстиями (44, 44L), преимущественно прорезями. По меньшей мере некоторые из отверстий, соответственно прорезей, имеют протяженность (RL) наружу, которая больше протяженности (R), необходимой для считывания. Технический результат – повышение надежности работы системы ступицы за ...

КАССЕТНОЕ УПЛОТНЕНИЕ, В ЧАСТНОСТИ, ДЛЯ КОМПОНОВКИ ПОДШИПНИКА КОЛЕСА ГРУЗОВОГО АВТОМОБИЛЯ

... 1. Кассетное уплотнение, в частности, для компоновки подшипника колеса грузового автомобиля, содержащее первое и второе кольца (3, 4), которые имеют в основном L-образную форму поперечного сечения, причем осевые участки (3a, 4b), а также радиальные участки (3b, 4а) первого и второго колец (3, 4) ориентированы в основном параллельно друг другу, образуя при этом внутреннее пространство (6), в котором расположенное на первом кольце (3) уплотнительное устройство (5) выступает в направлении второго кольца (4) и между радиальным участком (3b) первого кольца (3) и осевым участком (4b) второго кольца (4) образован зазор (9), причем на стороне осевого участка (4b) второго кольца (4), обращенной от внутреннего пространства (6), расположено кодирующее устройство (7), отличающееся тем, что кодирующее устройство (7) выполнено с возможностью растяжения в направлении радиального участка (3b) первого кольца над осевым участком (4b) второго кольца (4) и в этой области имеет нисходящий в направлении второго ...

СТУПИЧНЫЙ ПОДШИПНИКОВЫЙ УЗЕЛ ДЛЯ ИСПОЛЬЗОВАНИЯ В СЕЛЬСКОМ ХОЗЯЙСТВЕ

... 1. Ступичный подшипниковый узел (10), содержащий:подшипник качения, снабженный наружным кольцом (11), по меньшей мере, внутренним кольцом (16, 17), по меньшей мере, рядом (14,15) тел (15') качения и уплотнительным устройством (21),корпус (12), имеющий почти кольцеобразную цилиндрическую форму, причем корпус на одном конце образует радиальный фланец (12'), вмещающий подшипник качения и находящийся в непосредственном контакте с наружным кольцом (11) подшипника,закрывающую крышку (18), установленную на корпусе (12) на противоположном конце относительно конца, где корпус образует фланец (12'), причем крышка имеет чашеобразную форму,при этом узел (10) дополнительно содержит аксиальные удерживающие средства (111, 112, 121, 122, 200, 400), которые расположены вдоль наружной поверхности (110) наружного кольца (11), причем указанные удерживающие средства препятствуют аксиальному скольжению наружного кольца (11) относительно корпуса (12), при этом указанное аксиальные удерживающие средства содержат ...

Mit einem Dichtungselement zur Verhinderung des Eindringens von Staub versehene Fahrradnabe

VERBINDUNGSSYSTEM FÜR EINE REIBUNGSARME DICHTUNGSANORDNUNG UND RADNABENEINHEIT, DIE MIT DER DICHTUNGSANORDNUNG AUSGESTATTET IST

Ein Verbindungssystem (24) einer Dichtungsanordnung (1) mit einem rotierenden ringförmigen Element (4), insbesondere einem Lagerring mit einem Flansch, wobei die Dichtungsanordnung zumindest einen ersten ringförmigen Schutzschild (10), der einen Hülsenabschnitt (15), der dazu gedacht ist, im Einsatz integral mit dem rotierenden ringförmigen Element (4) verbunden zu werden, und einen Flanschabschnitt (16), der radial und überhängend von dem Hülsenabschnitt (15) auskragt, hat und nahe an dem Flansch angeordnet ist, aufweist; dadurch gekennzeichnet, dass der Hülsenabschnitt (15) des ersten ringförmigen Schutzschilds durch einen rohrförmigen Rotationskörper definiert ist, der durch eine Befestigungsfläche (21), die dem rotierenden ringförmigen Element zugewandt ist und eine zylindrische Geometrie hat, begrenzt ist; und dadurch, dass sich der Hülsenabschnitt in Kombination mit einem Anordnungssitz des rotierenden ringförmigen Elements verbindet, der durch eine ringförmige flache Vertiefung ( ...

Radlagereinheit für ein Kraftfahrzeug

Die Erfindung betrifft eine Radlagereinheit zur Anordnung an einer Radnabe (1) mit einem Radlagerflansch (11), umfassend ein Radlager (2), wobei das Radlager (2) einen Innenring (3) und einen Außenring (4) umfasst, zwischen welchen eine Mehrzahl von Wälzkörpern (5) angeordnet sind, wobei an dem Innenring (3) oder einem mit dem Innenring (3) drehfest verbundenen Bauteil ein erstes Dichtungsblech (8) befestigt ist, wobei zwischen einer Stirnseite des Radlagerflansches (11) und dem Radlager (2) ein Spalt (17) ausgebildet ist. Es ist vorgesehen, dass in dem Spalt (17) ein Schleuderelement (18) angeordnet ist, welches an dem ersten Dichtungsblech (8) anliegt oder mit dem ersten Dichtungsblech (8) verbunden ist, wobei das Schleuderelement (18) in den Spalt (17) eingedrungenes Wasser bei einer Drehung der Radnabe (1) aus dem Spalt (17) fördert.

Nabe insbesondere für Fahrräder

Nabe (1) für Fahrräder (100) umfassend ein Nabengehäuse (2), welches gegenüber einer Nabenachse (5) drehbar gelagert ist, einen gegenüber der Nabenachse (2) drehbar gelagerten Rotor (8), und eine Freilaufeinrichtung (9) mit zwei miteinander zusammenwirkenden Freilaufkomponenten (10, 20), nämlich mit einer nabenseitigen Freilaufkomponente (10) und mit einer rotorseitigen Freilaufkomponente (20). Die beiden Freilaufkomponenten (10, 20) weisen jeweils axiale Eingriffselemente (33) auf. Die nabenseitige Freilaufkomponente ist drehfest und axial fest mit dem Nabengehäuse verbunden. Die rotorseitige Freilaufkomponente ist drehfest mit dem Rotor verbunden und ist in axialer Richtung (30) relativ zu dem Rotor und dem Nabengehäuse zwischen einer Freilaufstellung und einer Eingriffsstellung (31) bewegbar. In der nabenseitigen Freilaufkomponente (10) sind Wälzkörper (53) definiert aufgenommen, um das Nabengehäuse (2) gegenüber der Nabenachse (5) zu lagern. Die nabenseitige Freilaufkomponente (10) ...

Lagervorrichtung für Räder

Eine Lagervorrichtung für Räder umfasst einen Außenring, eine Nabenwelle mit einem Flanschabschnitt zum Anbringen eines Rads an einer Fahrzeugaußenseite, Rollelementen, die zwischen dem Außenring und der Nabenwelle vorgesehen sind, eine Dichtung, die am fahrzeugaußenseitigen Teil des Außenrings angebracht ist, und einen Gleitring, der am fahrzeugaußenseitigen Teil der Nabenwelle angebracht ist und von der Dichtung berührt wird. Eine Außenumfangsfläche des Außenrings weist einen nicht-metallüberzogenen Oberflächenabschnitt auf, der an einem fahrzeugaußenseitigen Ende vorgesehen ist und einen metallüberzogenen Oberflächenabschnitt, der in den nicht-metallüberzogenen Oberflächenabschnitt übergeht. Der Gleitring weist einen Gleitringhauptkörperabschnitt auf, der die Dichtung berührt, und einen zylindrischen gegenüberliegenden Abschnitt, der dem nicht-metallüberzogenen Oberflächenabschnitt gegenüberliegt, um einen Labyrinthspalt zu bilden.

VERWENDUNG EINER SCHUTZKAPPE ZUM SCHUTZ EINES RADLAGERS UND EINES DREHZAHLSENSORSYSTEMS

Verwendung einer Schutzkappe (96) zum Schutz eines Lagers (20), durch welches eine Radnabe (10) drehbar in einem Gehäuse (12) gelagert ist, und zum Schutz eines Drehzahlsensorsystems, welches eine Segmentscheibe (66), die an der Nabe (10) befestigt ist und sich mit dieser dreht, und einen Sensor (74), der an dem Gehäuse (12) angebracht ist und sich in den Nahebereich der Segmentscheibe (66) hinein erstreckt, aufweist, wobei die Schutzkappe (96) umfasst: einen Schaft (100) zum Einsetzen durch eine Mittenbohrung (32) der Nabe (10); einen scheibenförmigen Kopf (102), der an dem Schaft (100) angebracht ist und eine untere Fläche (126) aufweist, um damit mit der inneren Stirnfläche (40) der Nabe (10) in Eingriff zu treten; und einen distalen Randabschnitt (124), der sich in überdeckendem Nahebereich zu dem Gehäuse (12) erstreckt, um eine Rotation des distalen Randabschnitts (124) relativ zu dem Gehäuse (12) zu erlauben und dabei dennoch das Eindringen von Dreck in das Drehzahlsensorsystem und ...

Fahrzeugachsbaugruppe mit integrierter Druckmittelleitung zur Reifenbefüllung

Es wird eine Fahrzeugachsbaugruppe (10) vorgeschlagen, mit einer Nabe (12), die um eine Mittellängsachse (A) drehbar an einem zylindrischen Achskörper (14) gelagert ist, und einem axial Inneren und einem axial äußeren Wellendichtring (36, 38) zur mittelbaren oder unmittelbaren Abdichtung zwischen dem Achskörper (14) und der Nabe (12). Um eine autonome Druckmittelzuführung in einen Fahrzeugreifen zu ermöglichen, zeichnet sich die Fahrzeugachsbaugruppe (10) aus durch eine ringförmige Kammer (34), die zwischen den beiden Wellendichtringen (36, 38), dem Achskörper (14) und der Nabe (12) gebildet ist, eine erste Druckmittelleitung (28), die sich durch den Achskörper (14) oder einen der beiden Wellendichtringe (36, 38) erstreckt und in die ringförmige Kammer (34) mündet, und eine zweite Druckmittelleitung (40), die sich aus der ringförmigen Kammer (34) durch die Nabe (12) erstreckt und zur Verbindung mit einem auf der Nabe (12) befestigten Rad ausgestaltet ist.

Radlageranordnung für ein Fahrzeugrad

Radlageranordnung (10) mit einer Rotationsachse (A) und ausgestattet mit einem Lageraußenring (20) und einen Lagerinnenring (30), die zwischen sich einen Zwischenraum (40) definieren; wobei der Innenring (30) mit einem Flansch (31) ausgestattet ist, der quer zu der Rotationsachse (A) verläuft, und einer Dichtvorrichtung (80), die zwischen dem Außenring (20) und dem Innenring (30) angeordnet ist, und die mit einer beweglichen Dichtlippe (91), die über Zwischenschaltung eines zweiten Dichtschilds integral mit dem Flansch (31) ist, ausgestattet ist, und die in Richtung einer ringförmigen Stirnfläche des Außenrings (20) gerichtet ist.

Tretlager- oder Radnabenlageranordnung

Tretlager- oder Radnabenlageranordnung (1) für ein Fahrrad, die zwei mit axialem Abstand voneinander angeordnete Wälzlager (2, 3) aufweist, die in einem Tretlager- oder Radlagergehäuse des Fahrrads angeordnet werden können, wobei jedes Wälzlager (2, 3) einen Innenring (4) mit einer Laufbahn (5, 6) für die Wälzkörper (7, 8) sowie einen Außenring (9) mit einer Laufbahn (10, 11) für die Wälzkörper (7, 8) aufweist und wobei die Wälzkörper (7, 8) zwischen ihren jeweiligen Laufbahnen (5, 6, 10, 11) des Innenrings (4) bzw. Außenrings (9) angeordnet sind, dadurch gekennzeichnet, dass sowohl der Innenring (4) als auch der Außenring (9) beider Wälzlager (2, 3) als einstückige Bauteile ausgebildet sind, wobei der Außenring (9) als rohrförmiges Bauteil ausgeführt ist, wobei das eine Wälzlager (2) als Kugellager und das andere Wälzlager (3) als Zylinderrollenlager ausgebildet ist, wobei der Innenring (4) beider Wälzlager (2, 3) als rohrförmiges Bauteil ausgeführt ist, das in seinen axialen Endbereichen ...

Hinterradnabe, insbesondere für Fahrräder

Hinterradnabe (1), insbesondere für Fahrräder, mit: einer Nabenachse (2), einem im wesentlichen konzentrisch zu dieser Nabenachse (2) angeordneten Nabengehäuse (3), wenigstens zwei Lagereinrichtungen (4), welche im wesentlichen zwischen dieser Nabenachse (2) und diesem Nabengehäuse (3) angeordnet sind, so dass dieses Nabengehäuse (3) drehbar in bezug auf diese Nabenachse (2) gelagert ist, einem in bezug auf diese Nabenachse (2) drehbar gelagerten Rotor (5), welcher derart gestaltet ist, dass an diesem Rotor (2) wenigstens ein Zahnrad anzuordnen ist, einer Freilaufeinrichtung (6), welche zwischen diesem Rotor (5) und diesem Nabengehäuse (3) angeordnet ist, und welche zwei Zahnscheibeneinrichtungen (7) aufweist, deren Zahnflächen (8) durch eine Vorspanneinrichtung (9) aufeinander gedrückt werden, um das Antriebsmoment von dem Rotor (5) auf das Nabengehäuse (3) zu übertragen, wobei diese zwei Zahnscheibeneinrichtungen (8) um die Nabenachse (2) herum angeordnet sind und im bestimmungsgemäßen ...

Dichtvorrichtung für Flanschlager

Dichtvorrichtung für ein Flanschlager, bei der auf der Innenfläche der Flanschenden (13) des Außenringes (11) des Lagers der Metallring (14) eines Dichtungsmittels (15) aufgepresst ist, in den Metallring (14) ein Gummiteil (16) eingebaut ist, der vermag, am Außenring (11) des Lagers eine statische Abdichtung herzustellen, sich in Richtung des Innenringes (10) des Lagers (12) erstreckt und schließlich in Richtung der Außenseite des Lagers mit einem Fortsatz (17) umbiegt, der an der Innenfläche eines auf der Außenfläche des Innenringes (10) des Lagers aufgepressten zweiten Metallringes (20) zwei Dichtungen (18, 19) bildet, wobei an dem zweiten Metallring (20) im Bereich von dessen in Richtung der Innenseite der Vorrichtung axial umgestülpten, freien Endes (22) ein Gummiteil (21) angebracht ist, der wenigstens zwei Dichtlippen (24 und 25) aufweist, wovon die eine zusammen mit den obengenannten Dichtlippen (18 und 19) des auf den Außenring (11) aufgepressten Metallringes (14) eine dynamische ...

Lageranordnung für ein Radlager

Die Erfindung betrifft eine Lageranordnung (1, 41) für eine Radlagerung, umfassend zwei axial voneinander beabstandet auf einer Achse (7, 47) angeordnete Lager (3, 5, 43, 45) mit jeweils einem inneren Lagerring (11, 29), sowie mit jeweils einem äußeren Lagerring (17, 21), wobei die Achse (7, 47) an einem Ende eine Achsschulter (9, 49) aufweist, an der sich der innere Lagerring (11, 29) des ersten Lagers (3, 5, 43, 45) axial abstützt, wobei sich der äußere Lagerring (17, 21) des ersten Lagers (3, 5, 43, 45) über ein Anschlusselement (19, 59) am äußeren Lagerring (17, 21) des zweiten Lagers (3, 5, 43, 45) axial abstützt. Hierbei ist ein Verspannungsmittel (33, 73) umfasst, welches den inneren Lagerring (11, 29) des ersten Lagers (3, 5, 43, 45) gegenüber der Achsschulter (9, 49) verspannt. Hierdurch wird, auch unter Berücksichtigung der Setzungen und des Verschleißes einer Lageranordnung (1, 41) im Betrieb, die benötigte Vorspannung für deren sichere Funktion gewährleistet.

Achsaggregat für ein Antriebsrad eines Fahrzeuges

Radlagervorrichtung für ein Fahrzeug

Radlagervorrichtung für ein Fahrzeug, die Folgendes umfasst:- ein äußeres Element (5, 17', 24), das an seinem Außenumfang mit einem Karosseriemontageflansch (5b) versehen ist, der an einem Teil einer Aufhängung eines Fahrzeugs zu montieren ist, und an seinem Innenumfang mit doppelreihigen äußeren Laufringflächen (5a, 17a', 24a) versehen ist;- ein inneres Element (3, 23, 27) mit einer Radnabe (1', 18', 25) und einem inneren Ring (2, 26) oder einem äußeren Verbindungselement eines Gleichlaufgelenks, wobei die Radnabe (1', 18', 25) an ihrem einen Ende mit einem Radmontageflansch (6) versehen ist und an ihrem Außenumfang mit einer inneren Laufringfläche (1a, 18a, 25a) gegenüber einer der doppelreihigen äußeren Laufringflächen versehen ist und einen zylindrischen Abschnitt (1b, 25b) aufweist, der sich axial von der inneren Laufringfläche erstreckt, und der innere Ring (2, 26) auf den zylindrischen Abschnitt (1b, 25b) der Radnabe (1', 18', 25) aufgepresst ist und an seinem Außenumfang mit einer ...

Radlageranordnung

Ausführungsformen gemäß einem Aspekt der vorliegenden Offenbarung betreffen eine Radlageranordnung. Die Radlageranordnung gemäß einer beispielhaften Ausführungsform umfasst: einen Außenring, der an einem fahrzeugkarosserieseitigen Element eines Fahrzeugs montiert ist; einen Innenring, der ausgebildet ist, um sich relativ zum Außenring um eine Achse zu drehen; eine Radnabe, die einen zylindrischen Abschnitt, mit dem der Innenring gekoppelt ist, und einen Nabenflansch mit einer inneren Flanschoberfläche und einer äußeren Flanschoberfläche umfasst, die sich vom zylindrischen Abschnitt in einer radial nach außen gerichteten Richtung erstrecken; eine Mehrzahl von Wälzkörpern, die zwischen dem Außenring und dem zylindrischen Abschnitt und zwischen dem Außenring und dem Innenring bereitgestellt sind; und eine Dichtungseinrichtung, die zwischen dem Außenring und dem Nabenflansch bereitgestellt ist. Der Nabenflansch hat eine Ausnehmung, die konkav in einer axial nach außen gerichteten Richtung von ...

FAHRZEUGRADLAGER

Gemäß einer Ausführungsform der vorliegenden Erfindung ist ein Fahrzeugradlager zum drehbaren Befestigen und Abstützen eines Rades eines Fahrzeugs an einer Fahrzeugkarosserie vorgesehen. Das Fahrzeugradlager gemäß einer Ausführungsform der vorliegenden Erfindung kann umfassen: eine Radnabe mit einem Nabenflansch, zum Befestigen des Rads; mindestens einen Innenring, der mittels einer Presspassung an einer Seite der Radnabe befestigt ist; einen Außenring, der radial außerhalb des Innenrings vorgesehen ist und an einer äußeren Umfangsfläche desselben einen Befestigungsflansch zum Befestigen an einem fahrzeugkarosserieseitigen Teil aufweist; und einen oder mehrere Wälzkörper, die radial innerhalb des Außenrings vorgesehen sind. Gemäß einer Ausführungsform der vorliegenden Erfindung kann der Nabenflansch der Radnabe einen vorstehenden Abschnitt umfassen, der an einer Stirnfläche desselben ausgebildet ist, und nur eine Stirnfläche, die radial außerhalb des vorstehenden Abschnitts an dem Nabenflansch ...

Dichtungsanordnung für eine Drehdurchführung eines Radlagers eines Kraftfahrzeugs

Es ist eine Dichtungsanordnung (24) für ein Radlager (12) eines Kraftfahrzeugs vorgesehen mit einem um eine Drehachse drehbaren Dichtpartner (50), einem eine Druckkammer (36) begrenzenden Dichtungshalter (26), einer relativ zu dem Dichtungshalter (26) in axialer Richtung verlagerbar und/oder elastisch verformbar in dem Dichtungshalter (26) aufgenommenen Dichtungseinheit (38) zur Herstellung eines Dichtkontakts mit dem relativ zu dem Dichtungshalter (26) drehbaren Dichtpartner (50), wobei die Dichtungseinheit (38) einen eine die Druckkammer (36) teilweise begrenzende Rückseite (70) aufweisenden Haltering (40) und einen in dem Haltering (40) aufgenommenen direkt an dem Dichtpartner (50) anliegbaren Abstützring (44) zur Abtragung axialer Kräfte und/oder einen in dem Haltering (40) aufgenommenen direkt an dem Dichtpartner (50) anliegbaren Dichtring (46) zur Bereitstellung eines Dichtkontakts mit dem Dichtpartner (50) durch eine elastische Verformung aufweist, wobei die Dichtungseinheit (38) ...

Radmodul für eine angetriebene Achse eines Kraftfahrzeugs

Radmodul (1) für eine angetriebene Achse eines Kraftfahrzeugs, mit einem Radträger (10), einer Radnabe (20), einem von der Radnabe (20) separaten Radlager (30), mittels dessen die Radnabe (20) am Radträger (10) gelagert ist, sowie einer Antriebswelle (40) zum Antreiben der Radnabe (20) dadurch gekennzeichnet, dass die Radnabe (20) eine Stirnverzahnung (23) aufweist, die mit einer Gegenverzahnung (41) der Antriebswelle (40) in Eingriff steht.

AXLE ASSEMBLY

Improvements in or relating to devices for preventing dirt entering and fluid leaving bearing surfaces

... 737,860. Stuffing-box substitutes. COUNTY COMMERCIAL CARS, Ltd., and TAPP, E. T. J. Aug. 5, 1953 [Aug. 7, 1952 ; Aug. 26, 1952], Nos. 25307/54 and 25308/54. Divided out of 737,787. Drawings to Specification. Class 122 (5). A device for preventing dirt entering and fluid leaving bearing surfaces of two relatively rotatable parts comprises two elements respectively connected to the parts and provided with contacting sealing faces, and means for maintaining the faces together, which faces are provided with intermeshing grooves and projections concentric about the axis of rotation, which grooves on at least one face in crosssection have converging side faces and which projections on the opposite face are so formed as to contact the side faces of the grooves opposite them but stop short of the bottoms thereof. The particular embodiments described are identical with those described in Specification 737,787. Specification 737,859 also is referred to.

WHEEL BEARINGS OF A PROPELLED STARRACHSE

Angular contact rolling bearing

Schrägkontaktwälzlager (50) für Hyperfahrzeugradnaben mit einem stationären radial äußeren Ring (31), der mit einer radial äußeren Laufbahn (32) ausgestattet ist, mit einem drehbaren radial inneren Ring (34), der mit einer radial inneren Laufbahn (35) ausgestattet ist und mit einer Reihe von Wälzkörpern (33), die zwischen dem radial äußeren Ring (31) und dem radial inneren Ring (34) angeordnet sind, wobei das Schrägkontaktwälzlager (50) mit einer integrierten Kassettendichtung (40) ausgestattet ist, und wobei ein Sitz (37) für die integrierte Kassettendichtung (40) an einem Absatz, welcher die Form einer ringförmigen, einseitig berandungslosen Nut aufweist, des radial inneren Rings (34) realisiert ist, wobei der Absatz in einer Tragschulter (38) der radial inneren Laufbahn (35) des Wälzlagers (50) ausgebildet ist. Um vorteilhafte Verhältnisse zu schaffen, ist eine zusätzliche integrierte Dichtung (60) vorgesehen, die an einer axial der Kassettendichtung (40) gegenüberliegenden inneren Seite ...

SEALS ARRANGEMENT BETWEEN A CONSTANT VELOCITY JOINT AND A HUB CAMP UNIT OF A FORCE VEHICLE WHEEL

UNITIZED WHEELEND ASSEMBLY AND METHOD OF INSTALLATION

A unitized wheelend is provided. The unitized wheelend includes a hub having an inboard side bounded by an oil seal and an outboard side bounded by a retainer releasably coupled to the hub. The unitized wheelend assembly includes an inboard bearing assembly, a spacer, an outboard bearing assembly, and a spindle nut assembly.

DUAL OSCILLATING AXLES

Précis Un double essieu oscillant se compose d'un faux châssis dont les longerons latéraux reçoivent respectivement à articulation libre au moyen d'un axe pivot central un bras triangulé ou judicieusement profilé supportant a chaque extrémité les moyeux de roue équidistants au l'axe-pivot, positionné en regard du longeron transversal du faux châssis. Des ressorts de stabilisation et de compensation étendent solidaires de bras triangulés et d'un point fixe des extrémités des longerons latéraux.

INTEGRAL BEARING SEAL

AXLE-HUB ASSEMBLY

HUBCAP FOR HEAVY-DUTY VEHICLES

A hubcap for a wheel end assembly of a heavy-duty vehicle seals an outboard end of the wheel end assembly. The wheel end assembly includes a wheel hub formed with a cavity that contains lubricant, and the hubcap positively engages and mounts on the outboard end of the wheel hub to prevent the escape of lubricant and the ingress of contaminants. The integrally-formed hubcap includes a generally cylindrical sidewall and an outboard wall that extends generally perpendicular to the sidewall. A lip extends inboardly from and a shoulder extends radially outwardly from an inboard end of the sidewall, and the lip and shoulder cooperate to positively mechanically engage the outboard end of the wheel hub. An O-ring is disposed between the lip and the wheel hub to provide a seal. The hubcap also is adapted to accommodate components of a tire inflation system and other auxiliary components.

HUB-BEARING ASSEMBLY FOR AGRICULTURAL USE

Hub-bearing assembly (10) comprising: - a rolling bearing provided with an outer ring (11), at least an inner ring (16, 17) and at least a row (14, 15) of rolling bodies (15'), - a housing (12) containing the rolling bearing and having an almost annular cylindrical shape, the housing at one end forming a radial flange (12'), - a closing cap (18), assembled on the housing (12) at the opposite end with respect to the end, where the housing forms the flange (12'), the cap being cup shaped and having a bottom wall (31), transversal to the rolling bearing axis, and a side wall (32), constrained to the bottom wall, wherein on the housing (12) external wall (12"), first assembly means are present, said first assembly means (24) being fixed and localized in an angular correspondence with the ribs (23) and cooperating with second assembly means (33), which are movable and realized on the internal surface (32') of the side wall (32) of the cap (18) for the assembling, in a dismantled way, of the ...

WHEEL END ASSEMBLY

A wheel mount for a wheel comprises a spindle, a hub for surrounding the spindle and a bearing assembly interposed between the spindle and the hub. The spindle extends from an end of an axle of a vehicle and has a generally decreasing diameter from its proximal end to its distal end. The spindle is provided with a pair of lands near the ends of the spindle for receiving bearing s, and has bearing retainers near the respective ends also, the distal retainer bei ng removably attached. These inboard and outboard bearing retainers define an axial bearing space. The hub has a central aperture with an inboard land and an outboard land provided on an internal surface of the central aperture, also for receiving bearings. The bearing assembly comprises an inboard bearing and an outboard bearing in spaced apart relationship within the axial bearing space. The inboard bearing has an internal diameter larger than the internal diameter o f the outboard bearing. The bearing assembly further has a conical ...

For a motor vehicle wheel bearing device for sealing

Cassette seal, particularly for motor vehicle wheel bearing apparatus of the cassette seal

VEHICLE WHEEL HUB.

Flanged bearing ring for a bearing unit of a motor vehicle wheel

A flanged bearing ring ( 10 ) for the wheel of a motor vehicle includes two different materials joined as a single piece: a tubular core ( 15 ) and an outer body ( 16 ) around the core. The outer body forms a radial flange ( 17 ) and is made of a lighter material than that of the core. At the axially outer end of the ring, at the side where the flange ( 17 ) is provided, the interface surfaces between the outer body ( 16 ) and the core ( 15 ) terminate in a groove ( 21 ) formed partly in the outer body and partly in the core. The groove ( 21 ) accommodates a sealing ring ( 22 ) made of rubber-like or elastomeric material which presses against both the outer body ( 16 ) and the core ( 15 ) so as to seal continuously, along an entire circumference around the axis (x), a separation line ( 23 ) between the core ( 15 ) and the outer body ( 16 ).

Bearing protection with positive lubricant-level indication

A bearing-protection device for protecting and lubricating bearings. The bearing-protection device provides positive indication of lubrication levels provided to the bearings and includes a protector housing defining a lubrication chamber with an outer wall, a proximal end and a distal end. The device also includes a piston assembly movable within the lubrication chamber, the piston assembly biased in a direction generally toward the proximal end of the bearing protector housing, and a viewing window defined in the outer wall of the bearing protector housing. Indicia associated with the piston is viewable through the viewing window to indicate a level of lubricant within the chamber.

Wheel Bearing Apparatus

A wheel bearing apparatus of a semi-floating type has a pilot portion on an outer member The pilot portion includes a cylindrical portion and a tapered portion The tapered portion gradually decreases in diameter from the cylindrical portion to an end surface of the inboard side. A fitting portion of an axle housing corresponds to the shape of the pilot portion An annular groove is formed at the tapered portion of the pilot portion A seal ring is mounted in the annular groove An outer diameter d of the seal ring after mounting, is set smaller than an inner diameter d of the cylindrical portion of the axle housing The seal ring elastically contacts the axle housing A slight gap of a fitting portion between the outer member and the axle housing is blocked off. 1. A wheel bearing apparatus comprising:an axle housing receiving a drive shaft connected to a differential gear, the axle housing is supported on a lower surface of a vehicle body;a wheel hub is joined with the drive shaft, the wheel hub includes an integral wheel mounting flange to attach a wheel, a cylindrical portion, forming an outer circumference of the wheel hub, extends in an axial direction from the wheel mounting flange;a wheel bearing is fit between the cylindrical portion of the wheel hub and an opening of the axle housing, the wheel bearing rotatably supports a wheel;an outer member of the wheel bearing includes, on an outer circumference, an integral body mounting flange to be attached to the axle housing, the outer member includes a pilot section fit into the axle housing at an end portion of an inner side, double row outer raceway surfaces are integrally formed in an inner circumference of the outer member;an inner member is press-fit on the cylindrical portion of the wheel hub, the inner member includes at least one inner ring with an inner raceway surface formed opposite to the double row outer raceway surface;double row rolling bodies are rollably accommodated between the inner member and both ...

Wheel rolling bearing device

An inner ring member having multiple flange portions is formed by cold forging. A tapered surface is formed in a state of a forged surface on the inner ring member so as to gradually increase in diameter from an inner side toward an outer side in a vehicle lateral direction over a region from a position near root portions of inner side faces of the flange portions in the vehicle lateral direction to a position radially outward of an outer periphery of an outer end portion of an outer ring member in the vehicle lateral direction. A seal member is attached to the outer periphery of the outer end portion of the outer ring member. A seal lip that is in sliding contact with the tapered surface in the state of a forged surface is formed at a distal end portion of the seal member.

Rolling bearing unit with encoder for supporting wheel

Construction is achieved that is able to prevent strain deformation in the axial direction of a flat plate section 21 of a cover 19 a when a cylinder section 20 of the cover 19 a, which covers the opening on the inside end in the axial direction of an internal space where an encoder 1 is located, is fitted into and fastened to the inside end section in the axial direction of an outer ring 7. A non-contact section 26 a is formed all the way around the inside end section in the axial direction of the cylinder section 20 such that the outer diameter is smaller than the inner diameter of the inside end section in the axial direction of the outer ring, and the dimension L 26 in the axial direction is two times or more the thickness dimension t 19 of a plate member of the cover 19 a. With the cover 19 a fitted into the inside end section in the axial direction of the outer ring 7, only the portion of the cylinder section 20 that is nearer the outside in the axial direction than the non-contact section 26 a is substantially fitted into the inside end section in the axial direction of the outer ring 7 with an interference fit.

HUB-BEARING ASSEMBLY WITH SEALING DEVICE

A hub-bearing assembly () is provided with an outer, stationary, ring (), and an inner ring () with a flange () for mounting a wheel, and the flange () forms an annular relief () projecting in an axially inward direction and having an outer toroidal surface (); a sealing device (), mounted on the outer ring (), has a non-contacting axial lip () which extends axially towards the flange () and has a free end portion () which creates a labyrinth seal with the outer toroidal surface () of the annular relief (). 1. A hub-bearing assembly for rotatably mounting a wheel to a vehicle , the assembly having an axis of rotation (x) and comprising:a radially outer, stationary bearing ring;a radially inner bearing ring, rotatable about the axis of rotation and providing a flange extending in a radially outer direction for mounting a wheel;a plurality of rolling elements interposed between the outer and inner rings;a sealing device, mounted to the outer ring and having a plurality of elastomeric sealing lips extending towards the inner ring; whereinthe flange forms an annular relief projecting in an axially inner direction and providing a radially outer surface, facing in an opposite direction as of the axis of rotation (x), and whereinat least one of the elastomeric sealing lips of the sealing device is a non-contacting axial lip that extends axially towards the flange and provides a free end portion which performs a labyrinth seal, without contact, with the radially outer surface of the annular relief.2. The hub-bearing assembly according to claim 1 , wherein the free end portion is accommodated without contact facing a radially outer side of the annular relief.3. The hub-bearing assembly according to claim 2 , wherein the inner ring forms a raceway adjacent to a base portion of the flange having a toroidal surface portion and a radial surface portion adjoined to the toroidal surface portion; whereinthe sealing device provides a single elastomeric sealing contacting lip which ...

Wheel Bearing Apparatus For A Vehicle

A vehicle wheel bearing apparatus has an inner-side seal with an annular slinger and a sealing plate. The slinger has a cylindrical portion and a standing portion. The sealing plate has a metal core and a sealing member. The metal core is press-fit into the inner circumference of an end of the outer member. The sealing member has a pair of side lips that angularly extend radially outward. The sealing member is adapted to be in sliding contact with the standing portion of the slinger, via a predetermined axial interface. The sealing member is secured to the metal core while extending over the outer circumference of an end of the metal core. The sealing member is formed with an outer circumferential lip extending radially outward from its circumferential end. The lip has a substantially L-shaped longitudinal section and is adapted to be fit in a gap between the inner-side end of the outer member and a flange portion of the knuckle. 1. A vehicle wheel bearing apparatus comprising:an outer member to be fit into a knuckle, forming a vehicle suspension apparatus, the outer member inner circumference including double row outer raceway surfaces;an inner member formed, on its outer circumference, with inner raceway surfaces that oppose, respectively, one of the double row outer raceway surfaces;double row rolling elements are freely rollably contained between the inner raceway surfaces and the outer raceway surfaces of the inner member and the outer member;seals are mounted within annular openings formed between the outer member and the inner member;the inner-side seal of the seals comprises an annular slinger and a sealing plate, the annular slinger comprising a cylindrical portion and a standing portion, the cylindrical portion is press-fit onto the inner member and the standing portion extends radially outward from the cylindrical portion, the sealing plate comprises a metal core and a sealing member, the metal core is press-fit into the inner circumference of an end of ...

Hub unit

A hub unit of the present invention includes a cap that covers an opening of a pilot portion, and the cap includes a cap body formed in a disc shape, and a cylindrical portion extending in an axial direction from an outer periphery of the cap body. The cap is removably attached to the pilot portion by screwing an external thread portion formed on an outer periphery of the cylindrical portion of the cap, to an internal thread portion formed on an inner periphery of the pilot portion.

HUB BEARING ASSEMBLY WITH A SEALING DEVICE

A hub bearing assembly () is provided with a stationary outer ring (), an inner ring () with a flange () for mounting of a wheel, the flange () forming an annular relief () that protrudes in an axially inner direction and has an inner cylindrical surface (); a sealing device (), mounted on the outer ring (), has a non-contacting axial lip () which extends towards the flange () and has a free end portion () which provides a labyrinth seal with the cylindrical surface () of the annular relief (). 1. A hub-bearing assembly for rotatably mounting a wheel to a vehicle , the assembly having an axis of rotation (x) and comprising:a radially outer, stationary bearing ring;a radially inner bearing ring, which is rotatable about the axis of rotation and provides a flange extending in a radially outer direction for mounting a wheel;a plurality of rolling elements interposed between the outer and inner rings;a sealing device, mounted to the outer ring and having a plurality of elastomeric sealing lips extending towards the inner ring; whereinthe flange forms an annular relief projecting in an axially inner direction and providing a radially inner, cylindrical or frustoconical surface, facing the axis of rotation (x), andat least one of the elastomeric sealing lips of the sealing device is a non-contacting axial lip which extends axially towards the flange and provides a free end portion which performs a labyrinth seal, without contact, with the radially inner surface of the annular relief.2. The hub-bearing assembly according to claim 1 , wherein the free end portion is at least partially accommodated without contact in an annular groove which is formed in a surface of the flange claim 1 , the surface facing in an axially inner direction and is bounded on a radially outer side claim 1 , by the annular relief claim 1 , and claim 1 , on an axially outer side claim 1 , by a recessed surface formed in the flange.3. The hub-bearing assembly according to claim 2 , wherein the inner ...

Sealing device, in particular for wheel hubs of motor bikes

A sealing device including an annular reinforcing insert couplable with a wheel hub in use and an annular sealing element carried by the reinforcing insert and including at least one sealing lip cooperating with a spacer carried by a wheel support pin in use; the reinforcing insert delimits an annular chamber arranged directly adjacent to the annular sealing element in axial direction, and the device further includes a shield mounted in floating manner with radial and axial play in the annular chamber, including a first radial end, which extends to the lip and couples in forced manner with the spacer in use, and a second radial end, opposite to the first, which cooperates with the reinforcing insert and with the annular sealing element to create a labyrinth seal in the annular chamber interposed in use between the annular lip and an environment (E) external to the wheel hub.

PROTECTIVE COVER HAVING SENSOR HOLDER PART, BEARING DEVICE INCLUDING THE PROTECTIVE COVER, AND METHOD FOR MANUFACTURING PROTECTIVE COVER HAVING SENSOR HOLDER PART

The present invention is intended to provide a protective cover having a reliable sensor holder part that prevents reduction in air tightness and strength of a division wall between a magnetic sensor and a magnetic encoder. 1: A protective cover having a sensor holder part in a bearing device including: an inner ring with an inner ring track surface on an outer peripheral surface; an outer ring with an outer ring track surface on an inner peripheral surface; a bearing having a rolling element rolling between the inner ring track surface and the outer ring track surface; a magnetic encoder that is positioned at one axial end portion of the bearing , fixed to the inner ring , and has N and S poles alternately arranged at regular intervals in an circumferential direction; and a magnetic sensor that is opposed to the magnetic poles of the magnetic encoder to detect rotation of the magnetic encoder , whereinthe protective cover is a cup-shaped protective cover that is press-fitted into the outer ring to seal the one axial end portion of the bearing, and has the sensor holder part holding the magnetic sensor and a division wall that is thinner than the other part to divide the magnetic encoder and the magnetic sensor,out of a cylindrical member and a disc-shaped member forming the cup shape, at least the disc-shaped member is a molded article formed by injection molding, andthe disc-shaped member has a thick part as a flow path for preferentially charging a molten resin into a thin part for forming the division wall in a cavity of a molding die for use in the injection molding between a position corresponding to a gate of the molding die and the division wall.2: A protective cover having a sensor holder part in a bearing device including: an inner ring with an inner ring track surface on an outer peripheral surface; an outer ring with an outer ring track surface on an inner peripheral surface; a bearing having a rolling element rolling between the inner ring track surface ...

Wheel Bearing Apparatus

A wheel bearing apparatus has an outer member, an inner member with an inner ring and double row rolling elements rollably contained between inner raceway surfaces of the inner member and outer raceway surfaces of the outer member. The inner ring is axially immovably secured on the wheel hub by a caulking portion. A thickness of a smaller end surface of the inner ring is larger than the height of a stepped portion of a wheel hub of the inner member. The axial position of the smaller end surface of the inner ring is set within an axial range between an axial position of the outermost-side point of the inner-side rolling elements of the double row rolling elements and an axial position of the groove bottom point of an inner raceway surface of the inner ring. 1. A wheel bearing apparatus comprising:an outer member integrally formed on its outer circumference with a body mounting flange, the outer member inner circumference includes double row outer raceway surfaces;an inner member includes a wheel hub and an inner ring, the wheel hub is integrally formed on its one end with a wheel mounting flange, the wheel hub outer circumference includes one inner raceway surface opposing one of the outer raceway surfaces, a cylindrical portion axially extends from the inner raceway surface through a stepped portion, the inner ring is formed, on its outer circumference, respectively, with the other inner raceway surface opposing the other of the double row outer raceway surfaces;double row rolling elements are rollably contained between the inner raceway surfaces of the inner member and the outer raceway surfaces of the outer member;the inner ring is axially immovably secured on the wheel hub by a caulking portion, the caulked portion is formed by plastically deforming, radially outward, an end of the cylindrical portion of the wheel hub;thickness of a smaller end surface of the inner ring is larger than a height of the stepped portion of the wheel hub; andaxial position of the ...

Bearing unit

A dust cover disposed on an outer periphery of an outer ring member of a bearing unit has a generally disc shape as viewed from an axial direction of the bearing unit. The dust cover has an outside ring portion, a short cylinder portion that extends toward an outboard side from an inner peripheral edge of the outside ring portion, and an inside ring portion that extends radially inward from a distal end of the short cylinder portion. A partition that restricts entry of muddy water into a vicinity of a seal member located on the outboard side is provided on an upper portion of an outer peripheral face of the short cylinder portion of the dust cover. A drain opening through which the muddy water is drained to an outside is formed in the short cylinder portion, at a position on an inboard side of the partition.

Rolling-element bearing unit for wheel bearing assembly

A rolling-element bearing unit for a wheel bearing assembly of a vehicle includes a rolling-element bearing with an outer ring, a an inner ring, a bearing interior between the outer ring and the inner ring and a plurality of rolling elements in the bearing interior. The inner ring has an inner ring surface facing the bearing interior and a first and a second axial end surface. A first seal assembly includes a retainer fixed on the bearing outer ring and a seal element configured to slidingly seal against the bearing inner ring surface or against a slip sleeve carried by the bearing inner ring. The retainer is an angle bracket having an axially extending annular leg and a radially inwardly extending annular flange, and radially inwardly extending flange projects radially inwardly beyond the bearing inner ring surface, for example, over a step in the first axial end surface.

ROLLING-RIVETED WHEEL BEARING ARRANGEMENT WITH A STEPPED INNER RING

The invention relates to a wheel bearing arrangement of a vehicle axle, including a wheel bearing, which contains at least two rolling element rows, for supporting a wheel hub which can be driven by a drive element. The rolling elements of the wheel bearing are guided in races of a stationary outer ring, the rotating wheel hub, and a separate inner ring which is allocated to the wheel hub. In the assembled state, the wheel hub of the wheel bearing arrangement and the drive element are operatively connected via gearing. The inner ring has a radially stepped inner contour, said inner contour having two diameters which differ from one another, and are received in a complementarily designed receiving area of the wheel hub. The position of the inner ring is fixed on the end face by a rolling riveted collar of the wheel hub. 1. A wheel bearing arrangement of a vehicle axle , comprising a wheel bearing that includes at least two rolling element rows having rolling elements for supporting a wheel hub that is driven by a drive element or a wheel hub that is not driven , the rolling elements of the wheel bearing are guided in raceways of a stationary outer ring and a rotating wheel hub and a separate inner ring allocated to the wheel hub , and the drive element is in an active connection with the wheel hub by gearing , the inner ring has a radially stepped inner contour that has two inner diameters (D , D) that deviate from each other and fit in a complementarily shaped receptacle of the wheel hub and is further fixed in position on an end side by a rolling riveted collar of the wheel hub.2. The wheel bearing arrangement according to claim 1 , wherein the inner ring is installed in an installed state with a smallest inner diameter (D) oriented toward the rolling-riveted collar.3. The wheel bearing arrangement according to claim 1 , wherein the inner ring forms a projection overlapping and axially extending the rolling-riveted collar and interacting with a seal.4. The wheel ...

HUB UNIT

A hub unit includes an outer ring member and an inner ring member disposed inward of the outer ring member and coaxially with the outer ring member. The inner ring member is provided with a wheel attachment flange. The wheel attachment flange is provided with a plurality of bolt holes that are arranged along a circumferential direction and into which hub bolts for fixing a wheel are press-fitted. At least one of the hub bolts is provided with a cutout on a side portion of a head thereof. When a minimum value of a distance from an axis of the hub bolt to a cutout edge of the cutout is denoted as A and a radius of the bolt holes into which the hub bolts are press-fitted is denoted as B, A≧B is satisfied. 1an outer ring member; and the inner ring member being provided with a wheel attachment flange,', 'the wheel attachment flange being provided with a plurality of bolt holes that are arranged along a circumferential direction and into which hub bolts for fixing a wheel are press-fitted, and', 'at least one of the hub bolts being provided with a cutout on a side portion of a head thereof, wherein, 'an inner ring member disposed inward of the outer ring member and coaxially with the outer ring member,'}when a minimum value of a distance from an axis of the hub bolt to a cutout edge of the cutout is denoted as A and a radius of the bolt holes into which the hub bolts are press-fitted is denoted as B, A≧B is satisfied.. A hub unit comprising: The disclosure of Japanese Patent Applications Nos. 2014-142157 filed on Jul. 10, 2014 and 2015-079867 filed on Apr. 9, 2015 including the specification, drawings and abstract, are incorporated herein by reference in its entirety.1. Field of the InventionThe present invention relates to a hub unit.2. Description of Related ArtA hub unit is used to support wheels of a vehicle such as an automobile such that the wheels are rotatable relative to a suspension for a vehicle body. In conventional common hub units, an outer ring member ...

Apparatus for delivering air through powered axle assemblies

An apparatus for delivering air through a powered axle assembly for use in automatic tire inflation systems. The apparatus comprises a base attachable to a non-rotating structure within the axle assembly and having the drive axle extend therethrough. A rotor is mountable in the axle assembly for rotation with the drive axle and for forming an air chamber between the rotor and the base and extending about the drive axle. An annular sealing member in sealing engagement with the rotor and the base is disposed within the air chamber and is rotatable with the rotor and with respect to the base. The base includes at least one air inlet for delivering air in a radial direction into the air chamber and the rotor includes at least one air outlet for air flow out of the chamber.

IN-WHEEL DRIVE DEVICE AND VEHICLE INCLUDING THE SAME

An in-wheel drive device includes: a wheel bearing including a hub; and a speed reducer at least partially disposed in an internal space of the wheel bearing. The speed reducer includes: planet gears; a ring gear configured to engage the planet gears; and a carrier coupled to the planet gears and configured to transmit, to an outside of the in-wheel drive device, power generated by a revolution of the plurality of planet gears. A first sealing part is disposed in a region in which the carrier and the wheel bearing face each other. 1. An in-wheel drive device , comprising:a wheel bearing comprising a hub; and planet gears;', 'a ring gear configured to engage the planet gears; and', 'a carrier coupled to the planet gears and configured to transmit, to an outside of the in-wheel drive device, power generated by a revolution of the plurality of planet gears,, 'a speed reducer at least partially disposed in an internal space of the wheel bearing, and comprisingwherein a first sealing part is disposed in a region in which the carrier and the wheel bearing face each other.2. The in-wheel drive device of claim 1 , wherein the first sealing part is fixed to the carrier and the wheel bearing.3. The in-wheel drive device of claim 1 , wherein the wheel bearing further comprises an outer race disposed outward claim 1 , in a radial direction of the in-wheel drive device claim 1 , from the hub claim 1 , andwherein the first sealing part is disposed in a region in which the carrier and the outer race face each other.4. The in-wheel drive device of claim 3 , wherein a groove portion having a recessed shape is disposed in an area of the outer race that faces the carrier claim 3 , and the first sealing part is disposed in the groove portion.5. The in-wheel drive device of claim 3 , wherein the wheel bearing further comprises:rolling elements disposed in an internal space between the hub and the outer race; anda second sealing part spaced apart from the first sealing part in a width ...

WHEEL HUB AND BEARING ASSEMBLY PACKAGING

A packaging system having an outboard guard and an outboard retainer cap. The outboard guard includes an outboard guard opening having a hole through the planform of the outboard guard, an engagement portion having an annular surface radially surrounding the outboard guard opening, an outboard bearing protector portion having an annular surface radially surrounding the engagement portion of the outboard guard, and an outer rim having an annular surface radially surrounding the outboard bearing protector portion. The outboard retainer cap is configured to be removably affixed to the outboard guard and includes an outboard alignment protrusion having a circular surface, an engagement portion having an annular surface radially surrounding the outboard alignment protrusion, and a retaining flange having an annular surface radially surrounding the engagement portion of the outboard retainer cap. 1. A packaging system for a wheel hub assembly , the packaging system comprising an outboard guard and an outboard retainer cap , an outboard guard opening comprising a substantially circular hole through the planform of the outboard guard,', 'an engagement portion comprising an annular surface radially surrounding the outboard guard opening,', 'an outboard bearing protector portion comprising an annular surface radially surrounding the engagement portion of the outboard guard, the annular surface of the outboard bearing protector portion being offset axially from the annular surface of the engagement portion of the outboard guard, and', 'an outer rim comprising an annular surface radially surrounding the outboard bearing protector portion; and, 'the outboard guard having a planform and comprising an outboard alignment protrusion comprising a circular surface,', 'an engagement portion comprising an annular surface radially surrounding the outboard alignment protrusion, the annular surface of the engagement portion of the outboard retainer cap being offset axially from the ...

WHEEL HUB AND BEARING ASSEMBLY PACKAGING

A packaging system having an outboard guard and an outboard retainer cap. The outboard guard includes an outboard guard opening having a hole through the planform of the outboard guard, an engagement portion having an annular surface radially surrounding the outboard guard opening, an outboard bearing protector portion having an annular surface radially surrounding the engagement portion of the outboard guard, and an outer rim having an annular surface radially surrounding the outboard bearing protector portion. The outboard retainer cap is configured to be removably affixed to the outboard guard and includes an outboard alignment protrusion having a circular surface, an engagement portion having an annular surface radially surrounding the outboard alignment protrusion, and a retaining flange having an annular surface radially surrounding the engagement portion of the outboard retainer cap. 1. A method of installing a wheel hub assembly onto a vehicle spindle , the wheel hub assembly comprising a vehicle wheel hub having a wheel hub bore with an inboard side and an outboard side , the wheel hub bore being configured to accept the vehicle spindle , an inboard bearing assembly installed on an inboard side of the vehicle wheel hub and comprising an inboard bearing cone and inboard bearing elements , and an outboard bearing assembly installed on an outboard side of the vehicle wheel hub and comprising an outboard bearing cone and outboard bearing elements , the wheel hub assembly further comprising an outboard retainer cap removably affixed within an outboard guard by an interference fit between the outboard retainer cap and the outboard guard , the outboard guard being removably affixed to an outboard side of the vehicle wheel hub and retaining the outboard bearing assembly within the vehicle wheel hub , a portion of the outboard retainer cap extending through an opening in the outboard guard and into the outboard side of the wheel hub bore of the vehicle wheel hub , ...

CASSETTE SEAL, PARTICULARLY FOR A WHEEL BEARING ARRANGEMENT OF A MOTOR VEHICLE

A cassette seal includes a first and a second ring, wherein the axial sections and the radial sections of the first and second ring are aligned approximately parallel to one another, forming an interior in which a sealing arrangement arranged on the first ring engages in the direction of the second ring and a gap is formed between the radial section of the first ring and the axial section of the second ring. A fixed additional element extends on the side of the axial section of the second ring facing away from the interior, and the rises in the direction of the radial section of the first ring above the axial section of the second ring with a protrusion. The protrusion has a downward slope in the direction of the second ring, to form the gap. 114-. (canceled)15. A cassette seal comprising:a first ring and a second ring having an L-shaped cross section, axial sections and radial sections of the first and second rings being aligned parallel to each other to form an inner chamber;a sealing arrangement situated on the first ring engaging in the direction of the second ring, and a gap provided between the radial section of the first ring and the axial section of the second ring;an encoder extending on the side of the axial section of the second ring facing away from the inner chamber, the encoder extending over the axial section of the second ring in the direction of the radial section of the first ring and in an extending area having a downward slant in the direction of the second ring, the slant forming the gap with the radial section of the first ring.16. The cassette seal as recited in wherein the encoder has a ring design claim 15 , the encoder being wider than the axial section of the second ring.17. The cassette seal as recited in wherein the slant of the encoder projects into the inner chamber.18. The cassette seal as recited in wherein the slant of the encoder ends with a side of the axial section of the second ring facing away from the inner chamber claim 15 , ...

A bearing arrangement for an electric motor or generator

A bearing arrangement for mounting a wheel and an electric motor or generator having a stator and a rotor to a vehicle, the bearing arrangement comprising a sealing element and a bearing block, wherein the bearing block includes a first coupling element for coupling to a first radial wall of the rotor and the wheel, and a second coupling element for coupling to the stator and/or the vehicle, with a first bearing mounted between the first coupling element and the second coupling element to allow the first coupling element and the second coupling element to rotate relative to each other, wherein the first coupling element includes a mounting flange having a bolt hole arranged to extend through the mounting flange for receiving a bolt at a first aperture of the bolt hole for coupling the rotor and the wheel to the first coupling element, wherein the sealing element is arranged to be mounted over a second aperture of the bolt hole for inhibiting the ingress of dirt through the bolt hole.

Vehicle hub bearing unit provided with a protective ring

A vehicle hub bearing unit including an outer ring; a wheel hub rotating about a common axis of symmetry of the outer ring and of the wheel hub; a wheel flange that extends radially from the wheel hub on the outside of the outer ring; a plurality of rolling bodies interposed between the outer ring and the wheel hub; at least one sealing assembly arranged on the side of the wheel flange, which is delimited towards the outer ring by a radially extending first face; and a protective ring that surrounds the outer ring and which radially extends in a position facing the first face of the wheel flange and beyond a first annular step of the first face that protrudes axially; a radially outer section of the protective ring overhangingly axially extending from the outer ring towards the wheel flange and axially beyond the first annular step.

HUB FOR AN AT LEAST PARTIALLY MUSCLE-POWERED BICYCLE

A hub for a bicycle includes a hub shell and an axle device. The hub shell is supported rotatably relative to the axle device by way of bearing devices. A bearing device is configured as a roller bearing, and includes two bearing rings with rolling members disposed between, and is sealed axially outwardly. Between the bearing rings, the roller bearing includes a modular unit, at which a sealing unit is configured for laterally sealing the roller bearing, and including guide units protruding laterally inwardly from the modular unit for guiding the rolling members. 1. A hub for an at least partially muscle-powered bicycle , comprising: a hub axle and an axle device;the hub shell being supported rotatably relative to the axle device by way of bearing devices;wherein at least one bearing device is configured as a roller bearing, comprising two bearing rings with rolling members disposed between, and being sealed axially outwardly;between the bearing rings at least one roller bearing receives a modular unit, at which a sealing unit is configured for laterally sealing the roller bearing; and comprising guide units protruding laterally inwardly from the modular unit for guiding the rolling members.2. The hub according to claim 1 , characterized in that at least one roller bearing is configured narrow claim 1 , and the axial width of the roller bearing is narrower than 1.7 times the diameter of a rolling member of the roller bearing claim 1 , so as to increase the axial distance between the roller bearings and to obtain a wider support.3. The hub according to claim 1 , wherein a bearing ring is configured as an inner ring claim 1 , and wherein the other of the bearing rings is configured as an outer ring claim 1 , and wherein the rolling members are axially received between the modular units.4. The hub according to claim 1 , wherein the ratio of the axial width of a roller bearing to the diameter of a rolling member is between 1.2 and 1.6.5. The hub according to claim 1 , ...

WHEEL ASSEMBLY SEAL

A wheel assembly includes a spindle; a wheel hub rotatable relative to the spindle; a seal mounted between the spindle and the wheel hub, the spindle, the wheel hub, and the seal defining a sealed cavity; and at least one bearing mounted between the spindle and the wheel hub within the sealed cavity, the at least one bearing facilitating rotation of the wheel hub relative to the spindle. 1. A wheel assembly comprising:a spindle;a wheel hub rotatable relative to the spindle;a seal mounted between the spindle and the wheel hub, the spindle, the wheel hub, and the seal defining a sealed cavity; andat least one bearing mounted between the spindle and the wheel hub within the sealed cavity, the at least one bearing facilitating rotation of the wheel hub relative to the spindle.2. The wheel assembly of claim 1 , wherein the seal is a mechanical face seal.3. The wheel assembly of claim 2 , wherein the mechanical face seal includes a first seal ring claim 2 , a second seal ring claim 2 , a first O-ring claim 2 , and a second O-ring claim 2 , the first seal ring having a first face sealing surface and the second seal ring having a second face sealing surface claim 2 , the first face sealing surface and the second face sealing surface in contact and rotatable relative to each other claim 2 , the first O-ring in sealing contact with an O-ring sealing surface of the first seal ring claim 2 , and the second O-ring in sealing contact with an O-ring sealing surface of the second seal ring.4. The wheel assembly of claim 3 , wherein the mechanical face seal includes a first seal retainer coupled to the wheel hub and a second seal retainer coupled to the spindle claim 3 , the first seal retainer in sealing contact with the first O-ring and the second seal retainer in sealing contact with the second O-ring.5. The wheel assembly of claim 4 , wherein the first seal retainer biases the first O-ring against the first seal ring and the second seal retainer biases the second O-ring against ...

SEAL DEVICE FOR A WHEEL BEARING

A wheel bearing has a seal device formed as a pack seal with an annular sealing plate and slinger. The sealing plate has a metal core and an integrally adhered sealing member. The sealing member has a base portion, side lip and radial lip. The base portion covers an inner circumferential surface of the metal core. The radial lip slidingly contacts the cylindrical portion of the slinger. A garter spring is mounted on the radial lip. A tightening force of the garter spring is set to 50% or more of a total tightening force of the radial lip. The tightening force of the radial lip without the garter spring is set to 3 N or more. 1. A wheel bearing and seal device comprising:an outer member formed with double row outer raceway surfaces on its inner circumference, an inner member including a wheel hub and at least one inner ring or an outer member of a constant velocity universal joint fit with a cylindrical portion of the wheel hub, the wheel hub is integrally formed with a wheel mounting flange on its one end, a cylindrical portion axially extends from the wheel mounting flange, the inner member is formed with double row inner raceway surfaces on its outer circumference that opposes the double row outer raceway surfaces, double row rolling elements are rollably contained between the inner and outer raceway surfaces, the seal device is mounted on the wheel bearing to seal an annular opening space formed between the outer member and inner member;the seal device is formed as a pack seal comprising an annular sealing plate and an annular slinger, the annular sealing plate and annular slinger have a substantially “L” shaped cross-section and are arranged opposite toward each other, the sealing plate comprises a metal core and a sealing member integrally adhered to the metal core, via galvanized adhesion, the metal core is press-formed from steel sheet and includes a cylindrical fitting portion and a radially inner portion, the cylindrical fitting portion is adapted to be ...

WHEEL HUB UNIT

A wheel hub unit comprises a wheel hub body (), a first tapered roller bearing () and a second tapered roller bearing (). Two bearings are oppositely disposed in the wheel hub body (). A bearing bush () or a shaft sleeve () is sleeved in the inner rings of the first tapered roller bearing () and that of the second tapered roller bearing (), so as to form a rolling and sliding bearing, and the high strength load is effectively absorbed. A seal element is disposed between the outside end of the bearing and the wheel hub body () to form the integral type independent seal. The problem that the inner rings of the bearings are exchanged and assembled in a mixed way during the assembly process is avoided, and the efficiency and accuracy of assembly are improved. 1. A wheel hub unit for a commercial vehicle , comprising:a wheel hub body;a first tapered roller bearing and a second tapered roller bearing, wherein the first tapered roller bearing and the second tapered roller bearing are oppositely disposed in the wheel hub body, wherein an oil seal seat is disposed on an end part of an outer side of the first tapered roller bearing, and wherein an oil seal is disposed between the oil seal seat and the wheel hub body; andtwo bearing bushes, wherein inner rings of the first tapered roller bearing and the second tapered roller bearing are respectively sleeved on one bearing bush.2. The wheel hub unit of claim 1 , wherein an oil groove for storing oil is formed in an outer peripheral surface of the bearing bush.3. An integral wheel hub unit claim 1 , comprising:a wheel hub body;a first tapered roller bearing and a second tapered roller bearing, wherein the first tapered roller bearing and the second tapered roller bearing are oppositely disposed in the wheel hub body, wherein a check ring is disposed on an end part of an outer side of the first tapered roller bearing, and wherein a first seal element is disposed between the check ring and the wheel hub body; anda shaft sleeve, ...

HUB BEARING UNIT, IN PARTICULAR FOR AGRICULTURAL MACHINERY AND MOUNTING DEVICE

A hub bearing unit comprising an outer ring; an inner ring rotating about a common symmetry axis of the outer ring and of the inner ring; a flange which extends radially from the outer ring; a plurality of rolling bodies interposed between the outer ring and the inner ring; a sealing assembly and a protective shield for the sealing assembly, arranged on the side opposite to the flange. The protective shield is constituted by a metal sheet and comprises a cylindrical portion that can be mounted integral with a stationary axle, and a flange portion, extending radially on the outside of the cylindrical portion, facing the sealing assembly, from a first end of the cylindrical portion opposite to the flange of the outer ring. A cylindrical portion second end is provided radially inwards with an L-fold which delimits an annular axial shoulder cooperating in abutment with the inner ring. 1. A hub bearing unit , designed to be mounted on an axle , stationary in use , of a piece of machinery , in particular an axle of a piece of agricultural machinery , the hub bearing unit comprising:an outer ring;a receiving flange, which extends radially on the outside from a first end of the outer ring and which is adapted to receive one of a tool or a vehicle wheel in use;an inner ring, arranged within the outer ring, the inner ring being adapted to be mounted integral with the axle in use;rolling bodies, interposed between inner and outer rings to operatively connect the inner ring to the outer ring so that the outer ring is free to rotate about a common symmetry axis of the inner and outer rings;a sealing assembly, arranged on the side opposite to the receiving flange and integrally carried by a second end of the outer ring, opposite to the first end; anda protective shield, arranged facing the sealing assembly, on the side opposite to the first end of the outer ring;wherein, in combination:i) the protective shield comprises a cylindrical mounting portion adapted to be mounted, in use ...

AXLE ASSEMBLY HAVING WHEEL HUBS CONFIGURED FOR USE IN VEHICLE WITH CENTRAL TIRE INFLATION SYSTEM

An axle assembly, including an axle shaft, annular member, hub, inner and outer hub bearings, abutment ring, first and second seals, and an air inlet port. The annular member is disposed about the axle shaft. The hub is coupled for rotation with the axle shaft and defines an outlet port. The first and second shaft seals form seals between the hub and the annular member. The air inlet port is mounted to one of the annular member and the abutment ring and includes an inlet boss. A first fluid conduit is defined by the abutment ring or both the abutment ring and the inlet port. The first fluid conduit is in fluid communication with the air inlet boss. The second shaft seal is spaced apart from the first shaft seal along the rotational axis to at least partially define a second fluid conduit in fluid communication inlet and outlet ports. 1. An axle assembly comprising:an inner hub assembly having an annular member and an abutment ring, the annular member being disposed about a rotational axis, the abutment ring being fixedly coupled to the annular member, wherein one of the annular member and the abutment ring has an inlet boss that defines an inlet port;a drive hub that is adapted to be to be coupled to a wheel, the drive hub defining an outlet port;first and second hub bearings supporting the drive hub for rotation on the annular member; andfirst and second shaft seals sealingly engaged to the drive hub and the inner hub assembly;wherein a first fluid conduit is partly defined by the abutment ring, the first fluid conduit being in fluid communication with the air inlet port; andwherein the second shaft seal is spaced apart from the first shaft seal along the rotational axis to at least partially define a second fluid conduit, the second fluid conduit coupling the outlet port in fluid communication with the first fluid conduit.2. The axle assembly of claim 1 , wherein a seal member is disposed between the inner hub bearing and the abutment ring.3. The axle assembly of ...

HUB, IN PARTICULAR FOR BICYCLES

A hub for bicycles includes a hub shell which is rotatably supported relative to a hub axle by two roller bearings disposed on opposite ends of the hub shell, a rotor rotatably supported relative to the hub axle by two rotor bearings, and a freewheel device having an interacting hub-side freewheel component and a rotor-side freewheel component. The two freewheel components each have axial engagement elements and are axially movable relative to one another between a freewheel position and an intermeshing engaging position. The rotor is disposed in the same axial position both in the freewheel position and in the engaging position. A driving torque is transmitted in the engaging position. The hub-side freewheel component has an inner central receiving space with a bearing seat and a roller bearing received to rotatably support the hub shell. The hub-side freewheel component includes an appendix protruding outwardly from the axial body section. 1. A hub for at least partially muscle-powered vehicles , and in particular bicycles comprising: a hub shell which is rotatably supported relative to a hub axle by means of two roller bearings disposed on opposite end regions of the hub shell; a rotor rotatably supported relative to the hub axle by at least two rotor bearings;and a freewheel device having two interacting freewheel components namely, a hub-side freewheel component and a rotor-side freewheel component;wherein the two freewheel components each comprise axial engagement elements and are movable relative to one another in the axial direction at least between a freewheel position and an intermeshing engaging position; wherein in the engaging position a driving torque can be transmitted and wherein in the freewheel position the rotor and the hub shell are decoupled from one another wherein the rotor is disposed in the same axial position both in the freewheel position and in the engaging position;wherein the hub-side freewheel component has an axial body section with ...

HUB, IN PARTICULAR FOR BICYCLES

A hub for bicycles with a hub shell rotatably supported relative to a hub axle by roller bearings and a rotor rotatably supported relative to the hub axle by at least two rotor bearings and with a freewheel device with two interacting freewheel components namely, a hub-side freewheel component and a rotor-side freewheel component. The two freewheel components are movable relative to one another in the axial direction between a freewheel position and an intermeshing engaging position in which a driving torque can be transmitted. The hub-side freewheel component is compact in configuration and a hub bearing to rotatably support the hub shell is integrated and configured therein. An outer ring of the hub bearing is configured in an axial body section of the hub-side freewheel component. A sealing unit protects the interior of the hub bearing from the entry of dirt and water. 1. A hub for at least partially muscle-powered vehicles and in particular bicycles comprising:a hub shell rotatably supported relative to a hub axle and a rotor rotatably supported relative to the hub axle by means of at least two rotor bearings; and a freewheel device having a pair of interacting freewheel components namely, a hub-side freewheel component and a rotor-side freewheel component;wherein the two freewheel components are movable relative to one another in the axial direction at least between a freewheel position and an intermeshing engaging position in which a driving torque can be transmitted;the hub-side freewheel component is compact in configuration and a hub bearing to rotatably support the hub shell is integrated and configured therein; wherein an outer ring of the hub bearing is configured in an axial body section of the hub-side freewheel component; and wherein at least one sealing unit protects the interior of the hub bearing from the entry of foreign bodies.2. The hub according to claim 1 , wherein the axial body section is connected with an annular flange where an axial ...

WHEEL END ASSEMBLY HAVING A VENT PASSAGE

A wheel end assembly having a spindle, a hub, and a rotary seal assembly. The spindle defines a spindle air passage, a vent passage, and a spindle hole. The hub defines a hub air passage. The rotary seal assembly fluidly connects the spindle air passage to the hub air passage. The vent passage fluidly connects an inboard cavity to the spindle hole. 1. A wheel end assembly comprising:a spindle that defines a spindle air passage, a vent passage, and a spindle hole that extends along an axis;a hub that is rotatable about the axis and that defines a hub air passage that is adapted to be fluidly connected to a tire;an inboard wheel bearing that is disposed on the spindle and rotatably supports the hub;a hub seal that extends from the spindle to the hub; anda rotary seal assembly that fluidly connects the spindle air passage to the hub air passage, wherein the hub seal and the rotary seal assembly cooperate to at least partially define an inboard cavity, and the vent passage fluidly connects the inboard cavity to the spindle hole.2. The wheel end assembly of wherein the spindle and the hub cooperate with the rotary seal assembly and the hub seal to define the inboard cavity.3. The wheel end assembly of wherein the inboard wheel bearing is disposed in the inboard cavity.4. The wheel end assembly of wherein the spindle air passage is spaced apart from and is not fluidly connected to the spindle hole and the vent passage.5. The wheel end assembly of wherein the vent passage is axially positioned between the rotary seal assembly and the inboard wheel bearing.6. The wheel end assembly of wherein the vent passage is disposed substantially perpendicular to the axis.7. The wheel end assembly of wherein the spindle air passage has a first port and a second port claim 1 , the vent passage is axially positioned closer to the second port than the first port claim 1 , and the second port is axially positioned further from the first port than the vent passage.8. The wheel end assembly ...

WHEEL BEARING ASSEMBLY AND INSTALLATION METHOD

A wheel bearing assembly includes at least one hub having an axial outboard end, a first bearing installed in the hub and having an outer ring and an inner ring, and at least one seal element that seals against a radially inner surface of the first bearing inner ring in a liquid-tight manner. The first bearing is the outboard-most bearing of the wheel bearing assembly. 1. A wheel bearing assembly comprising:a hub having an axial outboard end,a first bearing installed in the hub, the first bearing having an outer ring and an inner ring, andat least one seal element that seals against a radially inner surface of the first bearing inner ring in a liquid-tight manner,wherein the first bearing is the outboard-most bearing of the wheel bearing assembly.2. The wheel bearing assembly according to claim 1 ,wherein the first bearing inner ring includes a groove on the radially inner surface, andwherein the at least one seal element is at least partially mounted in the groove.3. The wheel bearing assembly according to claim 2 ,wherein the groove is axially spaced from a raceway of the first bearing inner ring.4. The wheel assembly according to claim 2 ,wherein the groove is axially spaced from rolling elements of the first bearing inner ring.5. The wheel bearing assembly according to claim 1 ,including an axle pin, anda second bearing having an outer ring and an inner ring,wherein the wheel bearing assembly is free of seals that are disposed between the axle pin and the second bearing inner ring.6. The wheel bearing assembly according to claim 1 ,wherein the wheel bearing assembly is free of seals that seal against a radially outer side of the first bearing inner ring between the first bearing inner ring and a second bearing inner ring.7. The wheel bearing assembly according to claim 2 ,wherein the seal element comprises an O-ring.8. The wheel bearing assembly according to claim 1 ,including an axle pin,wherein the seal element seals between the first bearing inner ring and ...

VEHICULAR BEARING DEVICE

An inner shaft provided in a vehicular bearing device includes a shaft-shaped body portion and a flange portion. The flange portion includes: a flange base portion that is continuous with the body portion and that has a circular cross section; a plurality of first thick portions each provided with a bolt hole, the first thick portions being provided radially outward of the flange base portion at equal intervals in a circumferential direction; and a thin portion that is provided between the first thick portions and that is thinner than the first thick portions. The flange base portion includes: a second thick portion that is positioned radially inward of the first thick portion and that is thicker than the first thick portion; and a small-diameter portion that is positioned radially inward of the thick portion and that has a smaller diameter than that of the second thick portion. 1. A vehicular bearing device comprising:an inner shaft member; an outer ring that has a tubular shape; and a plurality of rolling elements that are provided between the inner shaft member and the outer ring, whereinthe inner shaft member has an inner shaft that includes a body portion that has a shaft shape, and a flange portion that is provided on one side of the body portion in an axial direction and in which a plurality of bolt holes for attaching a wheel are formed,the flange portion has a flange base portion that is continuous with the body portion and that has a circular cross section, a plurality of first thick portions each provided with the bolt hole, the first thick portions being provided radially outward of the flange base portion at equal intervals in a circumferential direction, and a thin portion that is provided between the first thick portions and that is thinner than the first thick portions, andthe flange base portion has a second thick portion that is positioned radially inward of the first thick portion and that is thicker than the first thick portion, and a small- ...

SEALING DEVICE FOR A HUB-WHEEL ASSEMBLY

A sealing device for a hub-wheel assembly that includes a rolling bearing is provided. The sealing device being has a screen assembled on an outer ring of the bearing and has an annular cylindrical wall, having an internal lateral surface press fit along an external lateral surface of a collar of the outer ring. The internal surface has a respective inner diameter (Di) and the external lateral surface has a respective outer diameter (De). A static sealing element is constrained to the screen; the ratio of the interference between inner diameter (Di) and outer diameter (De) over a screen thickness ranging between 0.22 and 0.5; a coupling length (L, L′) between the internal lateral surface and the external lateral surface is equal or greater than 5 mm; and a ratio between outer diameter (De) of the external lateral surface and coupling length (L, L′) ranging between 1 and 1.19. 1. A sealing device for a hub-wheel assembly including a rolling bearing , the sealing device comprising:a screen, assembled on an outer ring of the bearing and provided with an annular cylindrical wall, having an internal lateral surface press fit along an external lateral surface of a collar of the outer ring, the internal lateral surface having a respective inner diameter (Di) and the external lateral surface having a respective outer diameter (De); anda static sealing element, constrained to the screen; and wherein the sealing device provides:a ratio of an interference between inner diameter (Di) and outer diameter (De) over a screen thickness ranging between 0.22 and 0.5;a coupling length (L, L′) between the internal lateral surface and the external lateral surface equal or greater than 5 mm; anda ratio between outer diameter (De) of the external lateral surface and coupling length (L, L′) ranging between 1 and 1.19.2. The sealing device according to claim 1 , wherein the coupling length (L) between the internal lateral surface of the screen and the external lateral surface is equal to the ...

ANNULAR SEALING ASSEMBLY, IN PARTICULAR FOR WHEEL HUBS

A sealing assembly comprises a first annular shield presenting an axial sleeve portion for the mounting angularly integral with one of said members, and a flange portion which radially extends from a first end of the sleeve portion, and a sealing member made of elastomeric material presenting an annular root portion, which overhangingly and radially extends from a peripheral edge of the flange portion and a first axially sealing annular lip, as well as a second radially sealing annular lip. The lips extend overhangingly and axially on the opposite side of the first end of the sleeve portion, from a same side as a thinned end of the root portion and are reciprocally and divergingly arranged to form in radial section a V-shape having a vertex facing towards the root portion and an axis parallel to the sleeve portion. 1. A sealing assembly insertable in a compartment defined by members of a hub bearing unit rotatable relative to each other to isolate the compartment from the external environment , the sealing assembly comprising:a sleeve portion disposed between the members of the hub bearing unit;a first annular shield presenting an axial sleeve portion having a first end and mounted angularly and integrally with one of the members and a flange portion extending radially from said first end to a peripheral edge;a sealing member made of elastomeric material presenting an annular root portion extending radially and overhangingly from said peripheral edge;a first axial sealing annular lip presenting a sealing edge and a seat to receive a spring mounted so as to apply on said first axial sealing annular lip a radial stress to an elastic hinge defined by a thinned end of an annular root portion and having a center of rotation arranged on a line crossing said sealing edge;a second radial sealing lip extending overhangingly from said thinned end of said annular root portion on the opposite side of said first end of said axial sleeve portion for slidingly engaging said sleeve ...

Wheel Hub Arrangement

The present invention relates to a wheel cover and to a wheel hub arrangement, wherein the wheel cover has a shielding section, which shields a gap formed between a hub and the wheel cover, and wherein a wheel hub arrangement is provided, in which a seal element is arranged in a gap formed between a wheel cover and the hub, which seal element is embodied as a profile seal.

SEALING DEVICE FOR A WHEEL HUB UNIT

Sealing device for a wheel hub unit is disclosed herein, wherein the sealing device being able, during use, to form a static seal for protecting the wheel hub unit from any environmental pollutant and being provided with a screen, which is engaged with a collar of the wheel hub unit and has a bottom wall, a cylindrical side wall integral with and more or less perpendicular to the bottom wall. The sealing device is designed and structured to protect the wheel hub unit from any environmental contaminant that the wheel hub unit may be exposed to during usage. 1. A sealing device , comprising:a screen with a bottom wall being coupled to a collar of a wheel hub unit;a cylindrical side wall being integral and substantially perpendicular to the bottom wall, the cylindrical side wall having twice the thickness of the bottom wall such that the screen being more rigid;a stop edge being integral to the cylindrical side wall on an opposite side to the bottom wall, the stop edge configured to bear, during use, axially against the collar;a seat bound by a shaped groove, the shaped grove being formed in the collar and by the screen, the seat including a closed shape configuration; anda sealing gasket being a sealing liquid, the sealing liquid being anaerobic and formulated so as to fill and seal the seat, and the sealing liquid being configured to polymerize when closed between the collar and the screen.2. (canceled)3. The sealing device of claim 1 , wherein the seat is defined by a first bottom surface and a second bottom surface claim 1 , the first and second bottom surfaces facing respective surfaces of the screen claim 1 , the first and second bottom surfaces are inclined with respect to the surfaces of the screen claim 1 , and the second bottom surface facing the stop edge.4. The sealing device of claim 3 , wherein the first and second bottom surfaces are adjacent to each other claim 3 , and the first bottom surface includes an extension smaller than an extension of the ...

DOUBLE ROW TAPERED BEARING WITH PRESS FIT PRELOADING ELEMENTS

A UTV double row tapered wheel bearing assembly may include a first inner diameter race, a second inner diameter race axially offset from the first inner diameter race, and an outer diameter race radially offset from the first inner diameter race and the second inner diameter race, the outer diameter race formed as a single integral member. A first ring of rollers may be disposed between the outer diameter race and the first inner diameter race. A second ring of rollers may be disposed between the outer diameter race and the second inner diameter race. A first shield may be coupled to a first axial face of the bearing, and a second shield may be coupled to the second axial face of the bearing. 1. A UTV double row tapered wheel bearing assembly , comprising:an inner sleeve comprising an outer radial surface joining a first end and a second end, wherein the first end has a first stepped surface and the second end has a second stepped surface;a first inner race disposed around a first portion of the outer radial surface of the inner sleeve;a second inner race disposed around a second portion of the outer radial surface of the inner sleeve;an outer race radially offset from the first inner race and the second inner race;a first ring of rollers disposed between the outer race and the first inner race;a second ring of rollers disposed between the outer race and the second inner race;a first shield press fit on the first inner race, wherein the first shield seals with the first stepped surface; anda second shield press fit on the second inner race, wherein the second shield seals with the second stepped surface.2. The UTV double row tapered wheel bearing assembly of claim 1 , the inner sleeve further comprising a radially aligned circular ridge disposed on the outer radial surface and configured to separate the first inner race and the second inner race.3. The UTV double row tapered wheel bearing assembly of claim 1 , wherein the first ring of rollers and the second ring ...

Wheel Hub Assembly for a Vehicle Wheel and Pole Ring of an ABS Sensor

In order to provide solutions for soiling problems and corrosion problems in the area between a pole ring () and the hub interior, arranged behind it, of a wheel hub assembly having a wheel hub () which ends inside the vehicle in a hub section () whose internal circumference () defines an opening () for the central passage of the stub axle () and on which a fastening device () of a pole ring () of an ABS sensor is mounted, wherein a pulse generator section () which is embodied in one piece with the fastening section () is a component of the pole ring (), which pulse generator section () extends from the fastening section () to the wheel hub axis (A) and is provided with openings (L) distributed uniformly in the circumferential direction; in a first embodiment the pole ring () extends with its pulse generator section () towards the wheel hub axis (A) to such an extent that the opening () between the wheel hub () and stub axle () is for the most part covered towards the interior of the hub. In a second embodiment, at least some of the openings or slots have an extent (RL) towards the outside which is greater than the extent (R) which is necessary for sensing. Furthermore, it is proposed with respect to the pole ring () that some of the openings (L) or slots have an extent (RL) towards the outside which is greater than the extent (R) of other openings () or slots. 124.-. (canceled)25165015556424141434242444441435516. A wheel-hub assembly for a vehicle wheel , with a wheel hub () which is arranged so as to be capable of rotating on a torsion-resistant steering knuckle () via a hub bearing assembly and which terminates inside the vehicle in a hub neck () , the inner periphery () of which defines an opening () for the central passage of the steering knuckle () , and on which an attachment portion () of a pole ring () of an ABS sensor is mounted , wherein a component of the pole ring () is a pulse-generator portion () integrally formed with the attachment portion () , ...

Wheel bearing unit

Wheel bearing unit with a wheel hub, wherein the wheel hub has an integrally formed wheel flange on one end thereof and an inner ring that is rotatable together with the wheel hub, wherein the inner ring is fastened on the wheel hub through the use of a rolling rivet connection in order to pre-tension a row of rolling elements in relation to an outer ring, and with an encoder provided on the inner ring and extending radially towards the outer ring, and with a protective cover fixed on the outer ring in order to close and seal annular openings formed between the outer ring and the wheel hub, and wherein a cylindrical section of the protective cover is pressed in and wherein a bottom section extends inwardly from the cylindrical section in a radial direction in order to cover an inner-side end of the wheel hub, wherein the cylindrical section is joined with a substance bond to the outer ring and wherein the substance-bond connection is produced through the use of a hardening fluid and wherein the fluid is held in a filling reservoir provided between the cylindrical section and the outer ring.

Low-profile and high-load ball-balancing rolling system

This disclosure describes a low-profile, high-load, and hands-free ball-balancing omnidirectional rolling system with multiple human-robot interfaces for modular and adaptive design configurations and input control interfaces. The disclosed platform uses a self-balancing ball-based robot to allow for a safe, compact, high-load, self-balancing and intuitive mobility device for a person with lower-limb disability. Advanced driving assistance such as obstacle avoidance and semi-autonomous navigation between predefined locations is also disclosed.

METHOD FOR MANUFACTURING BEARING DEVICE FOR VEHICLE WHEEL, AND BEARING DEVICE FOR VEHICLE WHEEL

A manufacturing method of a bearing device for a vehicle wheel () includes: a pressure adjusting step of enclosing, in a work chamber (Rw), the bearing device for a vehicle wheel () to which a sealing member () on an outer side is fitted in the work chamber (Rw), and adjusting a pressure in the work chamber (Rw) to a predetermined atmospheric pressure (Pt) according to an environment of a use area of the bearing device for a vehicle wheel (); and a sealing step of fitting a cover () that seals an inner side opening () of an outer ring () or an inner side sealing member () that seals between the outer ring () and a hub ring () or an inner ring () to the inner side opening () in the work chamber (Rw) in which a pressure has been adjusted.

BEARING ASSEMBLY

A bearing assembly configured to rotationally support a first component relative to a second component includes at least one bearing and at least one closure element configured to close an opening in the first component, which opening is disposed axially adjacent to the bearing. The closure element may be a cured body of foam that conforms to the shape of the opening or a ring mounted on the first component such that it covers the opening. 1. A bearing assembly configured to rotationally support a first component relative to a second component , the bearing assembly comprising:at least one bearing; andat least one closure element configured to close an opening in the first component, wherein the opening is disposed axially adjacent to the bearing.2. The bearing assembly according to claim 1 , further comprising a second bearing claim 1 , wherein the opening is disposed axially between the first bearing and the second bearing.3. The bearing assembly according to claim 1 , wherein the first component is a cast component.4. The bearing assembly according to claim 1 , wherein the first component is a wheel hub and/or the second component is an axle.5. The bearing assembly according to claim 1 , wherein the closure element has a radially directed surface that is flush with a surface of the first component on which surface the opening is located.6. The bearing assembly according to claim 1 , wherein the closure element is configured to at least partially delimit in an axial direction a space for a lubricant.7. The bearing assembly according to claim 1 , wherein the closure element is connected to the first component in a material-bonded manner.8. The bearing assembly according to claim 1 , wherein the closure element comprises a foamed material.9. The bearing assembly according to claim 1 , wherein the closure element is connected to the first component in a friction- and/or interference-fit manner.10. The bearing assembly according to claim 9 , wherein the closure ...

LOW-FRICTION SEALING ASSEMBLY FOR A WHEEL-HUB UNIT AND WHEEL-HUB UNIT EQUIPPED WITH SUCH A SEALING ASSEMBLY

Low-friction sealing assembly for a vehicle wheel-hub unit inserted inside an annular interspace defined between a flanged rotating element and a stationary element, coaxial with each other, of the wheel-hub unit to protect at least one ring of revolving bodies arranged between the stationary element and the rotating element, and having a first annular screen and a second annular screen during use integral with the rotating element and with the stationary element; and an annular seal having lips that extend axially and radially projecting from the first screen towards the second screen inside an annular chamber defined by the first and second screens; the sealing assembly being a multi-stage sealing assembly provided with a first inner collecting stage designed to collect and expel some of the contaminants. 1. A low-friction sealing assembly for a vehicle wheel-hub unit that is inserted inside an annular interspace defined between a flanged rotating element and stationary element , coaxial with each other , the wheel-hub unit to protect at least one ring of revolving members arranged between the stationary element and the rotating element , and comprises:a first annular screen integral with the rotating element;a second annular screen integral with the stationary element; andan annular seal comprising lips that extend axially and radially projecting from the first screen towards the second screen inside an annular chamber defined by the first and second screens;the sealing assembly providing a multi-stage sealing assembly and comprises:a first inner collecting stage designed to collect and expel some of the contaminants and is defined by an annular cavity of the first screen; anda labyrinth stage that is arranged radially on the outside of the first inner collecting stage along an entry/exit path of the contaminants and is also defined by an annular deviating lug of the first screen.2. The low-friction sealing assembly according to claim 1 , further comprising an ...

Optimized Sealing Device For A Bearing Unit

Sealing device for a bearing unit, having a stationary part, in turn provided with a first metal screen formed by an annular shaped portion and by a cylindrical portion radially external with respect to the annular shaped portion, with an elastomer coating, co-moulded on the first screen, having an annular shaped portion and a cylindrical portion, and with a contacting lip, radially internal, forming part of the elastomer coating and axially external with respect to the annular shaped portion, and a rotating part provided with a second metal screen on which the contacting lip makes sliding contact, where the elastomer coating is provided with a lip, non-contacting and radially internal with respect to the cylindrical portion and at least one first radial labyrinth seal (Gr) is formed by a radially outer wing of the second screen and by the lip of the elastomer coating which faces the aforementioned wing. 1. A sealing device for a bearing unit , comprising:{'claim-text': ['a first metal screen formed by an annular shaped portion and a cylindrical portion, the cylindrical portion being radially external with respect to the annular shaped portion;', 'an elastomer coating co-moulded on the first screen, the elastomeric coating being radially external and axially external with respect to the first screen, the elastomeric coating defining at least an annular shaped elastomeric portion and a cylindrical elastomeric portion;', 'a contacting lip further defined by the elastomeric coating radially internally with respect to the cylindrical elastomeric portion and axially external with respect to the annular shaped portion; and'], '#text': 'a stationary part, including:'}{'claim-text': 'a second metal screen on which the contacting lip makes a sliding contact,', '#text': 'a rotatable part, including:'}wherein the elastomer coating is provided with a non-contacting lip that extends radially and internally from the cylindrical elastomeric portion, further wherein at least a ...

VENT PLUG FOR A HUBCAP AND METHOD OF MANUFACTURING THE SAME

A heavy duty vehicle hubcap preferably made from a plastic material and having a sidewall, an end wall with a transparent window insert formed therein, and further including a radial mounting flange. The hubcap also includes an access port formed in the hubcap body sidewall and a vent plug removably positioned in liquid tight relation within the access port defined in the hubcap. Preferably, the hubcap is vented to permit passage of gas and vapor therethrough without permitting liquid to pass into the sealed region. 1. A hubcap assembly connected to a wheel hub surrounding a spindle surrounding a central axis extending through the wheel hub , said hubcap assembly comprising:a hubcap body having a sidewall extending to a mounting flange portions to connect with the wheel hub;an insert portion mechanically interlocked with said sidewall of said hubcap body, said insert portion presenting an opening;an elastomeric plug surrounding the central axis, said elastomeric plug adaptable to be mechanically engaged with said insert portion and presenting a cylindrical surface, an end surface, and a shoulder surface to mechanically engage said insert portion; anda vent portion of said elastomeric plug, said vent portion including a first section of a first thickness and a second section of a second thickness, said vent portion extending from an idle position as said first section and said section are located along and coplanar with said end surface with said first section being sealed and a venting position as said first section extends above said end surface thereby forming a funnel shape and stretching to form an opening to release pressure out of said hubcap body and elastically returning back to said idle position thereby eliminating leakage of fluids from said hubcap body and preventing debris and foreign object to enter said hubcap body.2. The hubcap assembly as set forth in claim 1 , wherein said first thickness is thinner than said second thickness.3. The hubcap assembly ...

ROLLING BEARING, IN PARTICULAR VEHICLE HUB BEARING UNIT, HAVING A SEALING COVER

A rolling bearing constituting a vehicle hub bearing unit, including an outer ring, an inner ring, a plurality of rolling bodies interposed between the inner and outer rings, and a cover driven with axial and radial interference on a first end of the outer ring, which it fluid-tightly closes; wherein the cover is formed by a plastic made body, made of a synthetic plastic material, and by a cylindrical metal sleeve co-molded with the plastic made body; between the cover and the outer ring there being arranged an annular sealing element housed with axial clearance in a seat of the outer ring made at least in part on the radially inner surface of the outer ring; a sealant being arranged between the metal sleeve and the plastic body. 1. A rolling bearing , in particular a vehicle hub bearing unit , comprising:an outer ring, stationary in use;an inner ring, rotating in use about a common symmetry axis of the inner ring and the outer ring;a plurality of rolling bodies interposed between the inner and outer rings; anda sensor bearing element, preferably in the shape of a closing and sealing cover, which fluid-tightly closes a first open annular end of the outer ring,wherein the sensor bearing element is mounted integral with the outer ring, driven in axial abutment and radial interference on the first end of the outer ring, and being formed by a plastic made body, made of a synthetic plastic material, and by a cylindrical metal sleeve, co-molded with the plastic made body, which metal sleeve defines at least one radially outer, radial coupling lateral surface of the sensor bearing element with a radially inner lateral surface of the outer ring; a first passage of possible leakage of fluid along the radially inner, radial coupling lateral surface of the outer ring and the radially outer, radial coupling lateral surface of the sensor bearing element, and along respective axial coupling surfaces in abutment between the sensor bearing element and the outer ring defined by an ...

PROTECTIVE COVER AND BEARING DEVICE INCLUDING PROTECTIVE COVER

The present invention is intended to provide a protective cover, comprising an inner ring with an inner ring track surface A on an outer peripheral surface; an outer ring with an outer ring track surface A on an inner peripheral surface; a bearing with rolling elements between the inner ring track surface A and the outer ring track surface A; a magnetic encoder that is positioned at one axial end portion of the bearing and fixed to the inner ring ; and a magnetic sensor that is fixed to the outer ring , a cup-shaped protective cover press-fitted into the outer ring to cover the magnetic encoder and intervene between the magnetic encoder and the magnetic sensor is formed by performing cold press molding of an austenitic stainless steel plate material with a nickel content of 8.5 to 13 weight %. 1. A cup-shaped protective cover for a bearing device including: an inner ring with an inner ring track surface on an outer peripheral surface; an outer ring with an outer ring track surface on an inner peripheral surface; a bearing with a rolling element between the inner ring track surface and the outer ring track surface; a magnetic encoder that is positioned at one axial end portion of the bearing , fixed to the inner ring , and has N and S poles alternately arranged at regular intervals in the circumferential direction; and a magnetic sensor that is fixed to the outer ring so as to be opposed to the magnetic poles of the magnetic encoder to detect the rotation of the magnetic encoder , 'the protective cover is formed by performing cold press molding of an austenitic stainless steel plate material with a nickel content of 8.5 to 13 weight %.', 'the protective cover being press-fitted into the outer ring to cover the magnetic encoder and intervene between the magnetic encoder and the magnetic sensor, wherein'}2. A bearing device comprising the protective cover according to . The present invention relates to a cup-shaped protective cover that is press-fitted into an outer ...

MANUFACTURING METHOD OF PROTECTIVE COVER HAVING SENSOR HOLDER PART

The present invention is intended to provide a manufacturing method of a protective cover having a sensor holder part that has high adhesion strength between a metallic component and a plastic component and maintains high reliability over a long period of time. 1the manufacturing method comprises:an adhesive application step of applying a thermoset resin adhesive to a surface of the metallic component including a joining surface relative to the plastic component;a natural drying step of evaporating a solvent contained in the adhesive by natural drying or a drying and solidification step of evaporating the solvent contained in the adhesive under a temperature condition at a temperature lower than a temperature at which the adhesive starts cross-linking reaction;an injection molding step of placing the metallic component having undergone the natural drying step or the drying and solidification step as an insert in an injection molding die and injecting a molten material for the plastic component from a gate into a cavity of the molding die; anda thermal curing step of applying thermal curing treatment to the adhesive at a temperature equal to or higher than the temperature at which the adhesive starts cross-linking reaction.. A manufacturing method of a protective cover for use in a bearing device including: an inner ring with an inner ring track surface on an outer peripheral surface; an outer ring with an outer ring track surface on an inner peripheral surface; a bearing having a rolling element rolling between the inner ring track surface and the outer ring track surface; a magnetic encoder that is positioned at one axial end of the bearing, fixed to the inner ring, and has N and S poles alternately arranged at regular intervals in an circumferential direction; and a magnetic sensor that is opposed to the magnetic poles of the magnetic encoder to detect rotation of the magnetic encoder, the protective cover having a metallic component press-fitted into the outer ...

WHEEL BEARING ARRANGEMENT FOR A MOTOR VEHICLE

A wheel bearing arrangement for a motor vehicle, including a wheel support and a wheel hub which is rotatably mounted on the wheel support by a wheel bearing in order to secure a wheel and to which a shaft is rotationally fixed, wherein a wheel bearing seal sealingly lies, on the one hand, against an inner ring of the wheel bearing, said inner ring sitting on the wheel hub, and, on the other hand, against an outer ring of the wheel bearing, said outer ring being secured to the wheel support. It is provided here that a wheel bearing pre-seal is rotationally fixed to the shaft adjacently to the wheel bearing and engages by a seal protrusion in a pre-seal receiving area formed in at least some sections between the outer ring and the wheel support. 110-. (canceled)11. A wheel bearing arrangement for a motor vehicle , comprising:a wheel support and a wheel hub which is rotatably mounted on the wheel support by a wheel bearing in order to secure a wheel and to which a shaft is rotationally fixed, wherein a wheel bearing seal sealingly lies, on the one hand, against an inner ring of the wheel bearing, said inner ring sitting on the wheel hub, and, on the other hand, against an outer ring of the wheel bearing, said outer ring being secured to the wheel support, wherein a wheel bearing pre-seal is rotationally fixed to the shaft adjacently to the wheel bearing and engages by a seal protrusion in a pre-seal receiving area formed in at least some sections between the outer ring and the wheel support.12. The wheel bearing arrangement according to claim 11 , wherein claim 11 , viewed in longitudinal section with respect to a rotation axis of the wheel hub claim 11 , the wheel bearing pre-seal comprises a first arm engaging on the shaft and a second arm which forms a seal protrusion and is angled with respect to the first arm.13. The wheel bearing arrangement according to claim 11 , wherein claim 11 , peripherally with respect to the rotation axis of the wheel hub claim 11 , the ...

WHEEL ASSEMBLY FOR VEHICLE WHEEL ADJUSTMENT HAVING HUB WITH TWO PORTS

An apparatus for a vehicle is provided that has an axle and a spindle sleeve with a spindle sleeve inner surface axis coaxial with the axis of the axle, and a spindle sleeve outer surface axis not coaxial with the axis of the axle. A hub has an axis coaxial with the spindle sleeve outer surface axis, and the hub at least partially defines a chamber. First and second ports extend through a wall of the hub to the chamber. The hub rotates about the spindle sleeve through the aid of two bearings. Lubricant is present within the chamber, and the first port provides a pathway for a pressurized fluid to be introduced into the chamber to force the lubricant out of the chamber via the second port. 1. An apparatus for a vehicle , comprising:an axle, wherein the axle has an axis;a spindle sleeve with a spindle sleeve inner surface axis that is coaxial with the axis of the axle, wherein the spindle sleeve has a spindle sleeve outer surface axis that is not coaxial with the axis of the axle, wherein the spindle sleeve has an inner surface and an outer surface;a hub that has a hub axis that is coaxial with the spindle sleeve outer surface axis, wherein the hub at least partially defines a chamber, wherein the hub has a first port that extends through a wall of the hub to the chamber, wherein the hub has a second port that extends through the wall of the hub to the chamber;a first bearing;a second bearing, wherein the first bearing and the second bearing render the hub rotatable with respect to the spindle sleeve;lubricant that is present within the chamber, wherein the first port provides a pathway for a pressurized fluid to be introduced into the chamber to force the lubricant out of the chamber via the second port;a spindle nut that engages the axle, wherein the spindle nut is located outboard in a lateral direction from the first bearing and the second bearing;a bearing spacer that is located between the first bearing and the second bearing in the lateral direction;wherein the ...

LOW-FRICTION SEALING ASSEMBLY, SYSTEM FOR ENGAGEMENT WITH A BEARING RING, AND WHEEL-HUB UNIT EQUIPPED WITH SUCH A SEALING ASSEMBLY

Low-friction sealing assembly for a vehicle wheel-hub unit to be inserted in an annular space defined between a flanged rotating element and a stationary element, to protect at least one ring of rolling members arranged between the stationary element and the rotating element; the flanged rotating element being provided with a flange and a mounting seat delimited by a cylindrical bottom wall and by an axial shoulder arranged on the opposite side to the flange. Nominal dimensions of an internal diameter of a sleeve portion of an annular screen are substantially the same as nominal dimensions of an outer diameter of a cylindrical bottom wall of the mounting seat, and the axial shoulder has an entry edge with a substantially conical form for facilitating mounting of the annular screen on the rotating annular element. 1. A low-friction sealing assembly for a vehicle wheel-hub unit to be inserted in an annular space defined between a flanged rotating element and a stationary element , coaxial with each other , so as to protect at least one ring of rolling members arranged between the stationary element and the rotating element; the flanged rotating element being provided with a flange and a mounting seat delimited by a cylindrical bottom wall and by an axial shoulder arranged on the opposite side to the flange , and the sealing assembly comprising an annular screen that is provided with:a sleeve portion that is integral with the rotating element inside the mounting seat and is delimited by a lateral mounting surface in relation to the rotating element having a cylindrical form; anda flange portion radially projecting from the sleeve portion; whereinthe nominal dimensions of an internal diameter of the sleeve portion of the annular screen are substantially the same as the nominal dimensions of an outer diameter of the cylindrical bottom wall of the mounting seat, and the axial shoulder has an entry edge with a substantially conical form for facilitating mounting of the ...

ARRANGEMENT OF A WHEEL HUB CONNECTED TO A CONSTANT VELOCITY JOINT PROVIDED WITH A SEAL DEVICE

Arrangement including a portion of a radially outer lateral surface of an inner ring of wheel hub having an annular step formed on a constant velocity joint. The step is adapted to receive a first shield, a flange portion that radially extends to protrude towards an outer ring of a wheel hub, in front of a flange portion of a second shield, from a first end of a sleeve portion of the first shield facing on the side opposite of the constant velocity joint and axially protrudes from the inner ring and towards the joint, defining a tubular element arranged straddling wheel hub and an outer ring of the constant velocity joint, having an opposite second end, supporting an annular seal; an annular signal generating insert covers a face of the flange portion, wherein a radially inner annular part of face defines a thrust shoulder for mounting the first shield. 1361. An arrangement of a wheel hub () connected to constant velocity joint () provided with a seal device () , comprising:{'b': 14', '5', '8', '3', '3', '10', '6, 'a sealing assembly () disposed between an inner ring () and an outer ring () of the wheel hub () and which extends straddling between the wheel hub () and an outer ring () of the constant velocity joint (); wherein'}{'b': 14', '16', '21', '17', '117', '5', '18', '118', '11', '22', '23', '24', '18', '16', '19', '6', '19, 'i': 'b', 'the sealing assembly () comprises a first shield () and a second shield () anchored by means of respective sleeve portions (, ) thereof to the inner ring () and to the outer ring of the wheel hub, respectively, and each having a respective flange portion (, ) which radially extends protruding from the sleeve portion and towards the other shield, and an annular sealing element () carried by one of the first and second shield and which is provided with a plurality of annular sealing lips (, , ) which cooperate with the other shield; the flange portion () of the first shield () carrying a signal generating element () on the outer ...

WHEEL ASSEMBLY SEAL

A wheel assembly includes a spindle; a wheel hub rotatable relative to the spindle; and a seal mounted between the spindle and the wheel hub, the seal comprising a first portion and a second portion, the first portion coupled to the spindle, the second portion coupled to the wheel hub, the seal configured to prevent fluid flow through a cavity defined between the spindle and the wheel hub. 1. A wheel assembly comprising:a spindle;a wheel hub rotatable relative to the spindle; anda seal mounted between the spindle and the wheel hub, the seal comprising a first portion and a second portion, the first portion coupled to the spindle, the second portion coupled to the wheel hub, the seal configured to prevent fluid flow through a cavity defined between the spindle and the wheel hub.2. The wheel assembly of claim 1 , wherein the first portion of the seal is configured to rotate relative to the second portion.3. The wheel assembly of claim 1 , wherein the first portion is a first seal retainer claim 1 , and the second portion is a second seal retainer.4. The wheel assembly of claim 3 , wherein an O-ring is positioned between the first seal retainer and the second seal retainer.5. The wheel assembly of claim 4 , wherein the O-ring forms a seal with at least one of the first seal retainer and the second seal retainer.6. The wheel assembly of claim 3 , wherein a seal ring is positioned between the first seal retainer and the second seal retainer.7. The wheel assembly of claim 6 , wherein the seal ring is a first seal ring claim 6 , wherein the seal further comprises a second seal ring positioned between the first seal ring and the second seal ring claim 6 , and wherein the first seal ring is positioned in facing engagement with the second seal ring.8. The wheel assembly of claim 1 , wherein the spindle claim 1 , the wheel hub claim 1 , and the seal define a sealed cavity.9. The wheel assembly of claim 1 , wherein a bearing is positioned radially inward from the seal.10. A ...

High-Drainage Wheel Hub Unit

A wheel hub unit provided with a radially outer ring, which is stationary during use; a radially inner ring, which is rotating during use; at least one row of rolling elements interposed between the radially outer ring and the radially inner ring; and a sealing assembly, which is interposed between the radially outer ring and the radially inner ring. The sealing assembly defines, cooperating with the radially outer ring or with the radially inner ring, a shield of at least one labyrinth seal. The labyrinth seal does not have a circumferential symmetry, but comprises an upper portion and a lower portion with respect to an axis of symmetry (A) of the wheel hub unit and is provided with an angular interruption of the shield formed on its lower portion corresponding to the lower side of the wheel hub unit so as to increase an outflow section thereof from the said labyrinth seal. Thereby, facilitating gravity drainage of contaminants present inside the sealing assembly. 1. A wheel hub unit , comprising:a radially outer ring configured to be stationary during use of the wheel hub unit;a radially inner ring configured to rotate during use of the wheel hub unit;a flanged end opposite to the radially outer ring;at least one row of rolling elements interposed between the radially outer ring and the radially inner ring; anda sealing assembly interposed between the radially outer ring and the radially inner ring, the sealing assembly defines a shield of at least one labyrinth seal,wherein, the at least one labyrinth seal does not have a circumferential symmetry, the at least one labyrinth seal comprises an upper portion and a lower portion with respect to a symmetry axis (A) of the wheel hub unit, and the at least one seal comprises an angular interruption of the shield formed on the lower portion corresponding to a lower side of the wheel hub unit, the angular interruption of the shield is configured to increase an outflow section from the labyrinth seal itself in order to ...

Wheel Hub Unit With Improved Drainage

A wheel hub unit provided with a radially outer ring, stationary in use, a radially inner ring, rotating in use, at least one row of rolling elements, interposed between the radially outer ring and the radially inner ring, and a sealing assembly, interposed between the radially outer ring and the radially inner ring, which defines cooperating with the radially outer ring or with the radially inner ring a shield of at least one labyrinth seal. The labyrinth seal does not have a circumferential symmetry but comprises an upper portion and a lower portion with respect to a symmetry axis (A) of the wheel hub unit and is provided with an angular interruption of the shield made on its lower portion corresponding to the lower side of the wheel hub unit so as to increase an outflow section thereof from the labyrinth seal itself which facilitates gravity drainage of contaminants present inside the sealing assembly. 1. A wheel hub unit comprising:a radially outer ring configured to be stationary in use of the wheel hub unit;a radially inner ring configured to rotate during use of the wheel hub unit;a flanged end of the radially inner ring opposite to the radially outer ring;at least one row of rolling elements, interposed between the radially outer ring and the radially inner ring; anda sealing assembly, interposed between the radially outer ring and the radially inner ring, the sealing assembly defining a shield of at least one labyrinth seal,wherein the sealing assembly comprises an annular lip configured as a splash guard, the sealing assembly comprising a flange portion, wherein the flange portion is oblique and projects towards the flanged end of the radially inner ring,wherein the at least one labyrinth seal does not have a circumferential symmetry, wherein the at least one labyrinth seal comprises an upper portion and a lower portion with respect to a symmetry axis (A) of the wheel hub unit and is provided with an angular interruption of the shield made on the lower ...

SEALING DEVICE FOR A HUB/WHEEL ASSEMBLY AND HUB/WHEEL ASSEMBLY HAVING SUCH A SEALING DEVICE

A sealing device for a hub/wheel assembly with a roller bearing. The sealing device includes a guard, made of plastic. The guard is coupled to an outer ring of the bearing to seal off the bearing. The guard has a cylindrical mounting wall with an outer lateral surface coupled to an inner lateral surface of a collar of the outer ring, and a snap-engagement step for engaging with the collar made along the outer lateral surface so that it snap-fits in a contoured annular groove made along the collar about the axis. An annular gasket is made of elastomer and co-injection-molded inside an annular groove made in the cylindrical mounting wall on the same side as the snap-engagement step. 1. A sealing device for a hub/wheel assembly with a roller bearing , the sealing device having a central axis , the sealing device comprising:a guard coupled to an outer ring of the bearing so as to seal off the bearing, the guard having a cylindrical mounting wall including a first lateral surface coupled to a second lateral surface of a collar of the outer ring;a snap-engagement for engaging the guard with the collar made along the first lateral surface so that it snap-fits in a contoured annular groove made along the collar about the axis; andan annular sealing arrangement made of an elastomer and arranged inside an annular groove made in the cylindrical mounting wall on the same side as the snap-engagement, the guard being made of plastic and the annular sealing arrangement being co-injection-molded inside the groove and adhering chemically to the plastic of the guard.2. The sealing device according to claim 1 , wherein the annular groove is made in the cylindrical mounting wall at an axial distance determined with respect to the snap-engagement means to allow radial deformation of the cylindrical mounting wall with respect to the collar so as to move the annular sealing arrangement away from the collar until the snap-engagement means are snap-fitted in the contoured annular groove.3. ...

SEALING DEVICE FOR A HUB/WHEEL ASSEMBLY AND HUB/WHEEL ASSEMBLY HAVING SUCH A SEALING DEVICE

A sealing device for a hub/wheel assembly with a roller bearing, the sealing device comprising a guard, made of plastic, which is coupled to an outer ring of the bearing so as to seal off the bearing, and which has a cylindrical mounting wall having an outer lateral surface coupled to an inner lateral surface of a collar of the outer ring. The sealing device includes a snap-engagement tooth for engaging with the collar made along the outer lateral surface so that the snap-engagement tooth snap-fits in a contoured annular groove made along the collar about the axis and an annular gasket made of thermoplastic elastomer being co-injection-molded inside a gripping seat made in the cylindrical mounting wall on the same side as the snap-engagement tooth, substantially at a corner defined between the cylindrical mounting wall and an annular reading wall transverse to the cylindrical mounting wall. 1. A sealing device for a hub/wheel assembly with a roller bearing , the sealing device having a central axis , and comprising:a guard, which is coupled to an outer ring of the roller bearing so as to seal off the bearing, and which has a cylindrical mounting wall having an outer lateral surface coupled to an inner lateral surface of a collar of the outer ring;a snap-engagement tooth for engaging the guard with the collar made along the outer lateral surface so that the snap engagement tooth snap-fits in a contoured annular groove made along the collar about the axis in the inner lateral surface; andan annular gasket made of thermoplastic elastomer and arranged inside a gripping seat made in the cylindrical mounting wall on the same side as the snap-engagement tooth, substantially at a corner defined between the cylindrical mounting wall and an annular reading wall transverse to the cylindrical mounting wall, the annular gasket being co-injection-molded inside the gripping seat and adhering chemically to a plastic from which the guard is made.2. The sealing device according to ...

APPARATUS FOR DELIVERING AIR THROUGH POWERED AXLE ASSEMBLIES

An apparatus for delivering air through a powered axle assembly for use in automatic tire inflation systems. The apparatus comprises a base attachable to a non-rotating structure within the axle assembly and having the drive axle extend therethrough. A rotor is mountable in the axle assembly for rotation with the drive axle and for forming an air chamber between the rotor and the base and extending about the drive axle. An annular sealing member in sealing engagement with the rotor and the base is disposed within the air chamber and is rotatable with the rotor and with respect to the base. The base includes at least one air inlet for delivering air in a radial direction into the air chamber and the rotor includes at least one air outlet for air flow out of the chamber. 1. In a powered axle assembly including a drive axle which extends longitudinally through a non-rotating structure and is powered for rotation within said non-rotating structure , a drive axle hub provided at an axial outer end of said drive axle which rotates with said drive axle and is positioned outside of an outer end of said non-rotating structure , a wheel hub secured to said drive axle hub and extending axially rearward , and at least one bearing which supports said wheel hub on an exterior of said non-rotating structure for rotation of said wheel hub around said exterior of said non-rotating structure , the improvement comprising:a base operatively connected to said non-rotating structure and having said drive axle extending therethrough, said base being positioned within said interior of said wheel hub;a rotor having said drive axle extending therethrough and mounted within said interior of said wheel hub for rotation with said drive axle hub such that said rotor will rotate with respect to said base, said rotor being configured so as to form an air cavity therein, said air cavity encircling said drive axle and being located within said interior of said wheel hub;said base including at least ...

Hub Unit Bearing

Provided is a hub unit bearing wherein a cover can be firmly fitted with an outer ring member, and it is difficult for foreign matter to enter inside through a water drainage hole formed in the cover. The cover that covers the inside end section in the axial direction of the hub unit bearing includes a disk section, a small-diameter cylindrical section bent in the axial direction from the outer perimeter edge section of the disk section and a large-diameter cylindrical section. A cut and raised section that is cut and raised toward the inside in the radial direction is formed in the small-diameter cylindrical section, and a water drainage hole that passes through from inside to outside the cover is provided in the portion that is cut and separated from the small-diameter cylindrical section. 1an outer ring member having an outer raceway on an inner circumferential surface of the outer ring member;an inner ring member having an inner raceway on an outer circumferential surface of the inner ring member and a spline hole formed on a center section of the inner ring member;a plurality of rolling elements provided on the outer raceway and the inner raceway;an encoder supported at a portion near an inside end section in an axial direction of the inner ring member;a cover formed into a circular ring shape and fastened around a portion of an inside end section in the axial direction of the outer ring member,a sensor supported by the cover;a seal ring fastened on a small-diameter stepped section that is formed around the inside end section in the axial direction of the inner ring member and closing off a sensing space where the encoder and a detecting section of the sensor are located from an outside space; anda combined seal ring provided between the inside end section in the axial direction on the inner circumferential surface of the outer ring member and the portion near the inside section in the axial direction on the outer circumferential surface of the inner ring ...

Wheel Hub Unit With Improved Drainage

Wheel hub unit provided with a radially outer ring, stationary in use, a radially inner ring, rotating in use, at least one row of rolling elements, interposed between the radially outer ring and the radially inner ring, and a seal assembly, interposed between the radially outer ring and the radially inner ring, which defines cooperating with the radially outer ring or with the radially inner ring a shield of at least one labyrinth seal. The labyrinth seal does not have a circumferential symmetry but comprises an upper portion and a lower portion with respect to a symmetry axis (A) of the wheel hub unit and is provided with an angular interruption of the shield made on its lower portion corresponding to the lower side of the wheel hub unit so as to increase an outflow section thereof from the labyrinth seal itself which facilitates gravity drainage of contaminants present inside the seal assembly. 1. A wheel hub unit comprising:a radially outer ring configured to be stationary in use,a radially inner ring configured to rotate in use, the inner ring having:a flanged end opposite to the outer ring,at least one row of rolling elements interposed between the radially outer ring and the radially inner ring, anda seal assembly interposed between the radially outer ring and the radially inner ring, the seal assembly defining a shield of at least one labyrinth seal and cooperating with one of the radially outer ring and the radially inner ring, the seal assembly comprising:a second screen acting as splash guard and mounted stably on an external lateral surface of the radially outer ring, anda radially outer and oblique end that cooperates with an annular surface of the flanged end,wherein the labyrinth seal does not have a circumferential symmetry,wherein the labyrinth seal comprises an upper portion and a lower portion with respect to a symmetry axis (A) of the wheel hub unit and is provided with an angular interruption of the shield made on its lower portion corresponding ...

Method for producing track ring member, method for producing rolling bearing, method for producing hub unit bearing, and method for producing vehicle

A centerless grinding processing in which a sliding contact surface ( 10 ) is subjected to grinding by pressing a grindstone against the sliding contact surface ( 10 ) of an inner ring ( 3 ) while rotating the inner ring ( 3 ) relative to the grindstone in a prescribed direction, and then, in the centerless grinding process, a finishing step in which grinding lines in a direction intersecting grinding lines formed on the sliding contact surface ( 10 ) are formed on the sliding contact surface ( 10 ) and/or processing for improving the surface roughness of the sliding contact surface ( 10 ) is performed is performed.

SEALING DEVICE FOR A WHEEL HUB UNIT

A sealing device for a wheel hub unit configured to form a static seal to protect the wheel hub unit from environmental contaminants. The sealing device including a shield that is coupled to a collar of the wheel hub unit. The sealing device having a cylindrical lateral mounting wall pressed into the collar, an annular seat with a blind end formed in the cylindrical lateral wall, and a sealing gasket positioned, inside the seat and compressed radially between the groove and the collar, and formed by a sealing compound to allow the formation of a bead against the cylindrical lateral wall in a transport and/or assembly configuration of the sealing device. The bead being movable into the seat by a scraping action exerted by the collar during the assembly of the shield. 1. A sealing device for a wheel hub unit , the sealing device configured to form a static seal to protect the wheel hub unit from environmental contaminants , the sealing device comprising:a shield, made of metal that is coupled to a collar of the wheel hub unit, the shield having a cylindrical lateral mounting wall pressed into the collar with radial interference, further comprising:in combination, an annular seat with a blind end formed in the cylindrical lateral wall, anda sealing gasket positioned inside the seat and compressed radially between the groove and the collar and formed by a sealing compound to allow the formation of a bead against the cylindrical lateral wall in a transport and/or assembly configuration of the sealing device, the bead being movable into the seat by a scraping action exerted by the collar during the assembly of the shield.2. The sealing device according to claim 1 , wherein the bead has a greater volume than the volume of the seat. This application claims priority to Italian patent application no. 102018000008436 filed on Sep. 10, 2018, the contents of which are fully incorporated herein by reference.The present invention relates to a sealing device for a wheel hub unit. ...

SEALING DEVICE FOR A WHEEL HUB UNIT

A sealing device for a wheel hub unit configured to form a static seal to protect the wheel hub unit from environmental contaminants. The sealing device including a metal shield that is coupled to a collar of the wheel hub unit, and has an end wall, a cylindrical lateral wall integral with, and orthogonal to, the end wall. The lateral wall has twice the thickness of the end wall in order to impart stiffness to the metal shield, and a stop edge integral with the cylindrical lateral wall on the opposite side to the end wall, for bearing axially against the collar; a sealing gasket formed by a silicone-based sealing compound being provided to allow the formation of a bead against a cylindrical lateral wall in an assembly configuration of the sealing device. 1. A sealing device for a wheel hub unit , the sealing device configured to form a static seal to protect the wheel hub unit from environmental contaminants , and comprising:a metal shield coupled to a collar of the wheel hub unit, and having an end wall, a cylindrical lateral wall integral with, and orthogonal to, the end wall, the lateral wall having twice the thickness of the end wall in order to impart stiffness to the metal shield, and a stop edge integral with the cylindrical lateral wall on the opposite side to the end wall, for bearing axially against the collar; anda sealing gasket formed by a silicone-based sealing compound to allow the formation of a bead against the collar in a transport and/or assembly configuration of the sealing device, and the formation of a mass distributed between the metal shield and the collar in an assembled configuration of the sealing device with the wheel hub unit.2. The sealing device according to claim 1 , wherein the sealing gasket is formed by a silicone-based sealing compound that allows the formation of a bead against the cylindrical lateral wall in an assembled configuration of the sealing device claim 1 , and the formation of a mass spread and distributed between the ...

LOW-FRICTION SEALING DEVICE FOR WHEEL HUB ASSEMBLIES CONNECTED TO CONSTANT-VELOCITY JOINTS

A sealing device for wheel hubs connected to constant-velocity joints including a first sealing assembly arranged between inner and outer rings of the wheel hub, and a second sealing assembly mounted on the inner ring and straddling the wheel hub and an outer ring of the constant-velocity joint. The first sealing assembly has a signal generating element having an annular insert mounted externally on a shield facing the constant-velocity joint and extending axially projecting above part of an annular step formed, on the same side as the constant-velocity joint, on a radially outer side surface of the inner ring, in a position immediately adjacent to the sleeve portion of the first shield. The second sealing assembly includes a tubular support keyed onto the inner ring by its first end on the outside edge folded in the manner of an L and shaped to engage inside the annular insert. 1. A sealing device for wheel hubs connected to constant-velocity joints , comprising:a first sealing assembly disposed between an inner ring and an outer ring of the wheel hub, anda second sealing assembly mounted on the inner ring and arranged straddling the wheel hub and an outer ring of the constant-velocity joint; wherein:the first sealing assembly includes a first shield fixed by a respective sleeve portion to the inner ring of the wheel hub and having a respective flange portion that extends radially projecting from the sleeve portion, and a signal generating element consisting of an annular insert mounted externally on the flange portion facing the constant-velocity joint and extending axially projecting above part of an annular step formed, on the same side as the constant-velocity joint, on a radially outer side surface of the inner ring, in a position immediately adjacent to the sleeve portion of the first shield; whereinthe second sealing assembly includes a tubular support having a first end,wherein the tubular support is integrally keyed onto the inner ring; the first end of ...

SEALING DEVICE FOR A HUB BEARING ASSEMBLY

A sealing device for a hub bearing assembly, equipped with a rolling bearing unit, a circular metal shield, a radially extending end wall and a double cylindrical lateral wall fixed to and practically orthogonal to the end wall, formed by a first cylindrical lateral wall and a second cylindrical lateral wall. The metal shield is angularly coupled to a radially outer ring of the bearing. The second cylindrical lateral wall is connected in a fixed manner to a radially outer edge adapted to cover an axially inner surface of the terminal edge that is potentially subject to oxidation phenomena with the consequent formation of a layer of rust. 1. A sealing device for a hub bearing assembly equipped with a rolling bearing unit , the sealing device comprising:a circular metal shield,a radially extending end wall, anda double cylindrical lateral wall fixed to and orthogonal to the end wall, the lateral wall being formed by a first cylindrical lateral wall and a second cylindrical lateral wall, the metal shield being angularly coupled to a radially outer ring of the bearing unit by means of the stable contact between a radially inner lateral surface of an axially inner terminal edge of the radially outer ring and the lateral surface of the second cylindrical lateral wall, whereinthe second cylindrical lateral wall is connected in a fixed manner to a radially outer edge adapted to cover an axially inner surface of the terminal edge that is subject to oxidation phenomena and the consequent formation of a layer of rust.2. The sealing device according to claim 1 , further comprising a sealant fluid adapted to be applied to one of the axially inner surface of the terminal edge of the outer ring and the radially outer edge of the shield.3. The sealing device according to claim 1 , wherein the first cylindrical lateral wall and the second cylindrical lateral wall are fixed to one another and bent back fully on to one another through an angle substantially equal to 180°.4. The ...

Drip element sealing device, in particular for rolling bearings

A sealing device including a first annular rotating shield, a second annular shield, fixed and arranged in front of the first shield for delimiting therebetween a first annular chamber and a sealing ring provided with at least a first and a second annular lips that extend axially and radially project from a flange portion of the second shield and towards a flange portion of the first shield, inside the annular chamber. At least one of the first and second lips cooperates with the flange portion of the first shield without touching it for defining a first dynamic labyrinth seal therewith. The first shield integrally supports a third annular lip that extends projecting from the first shield towards one of the first and second lips without touching it for defining a second dynamic labyrinth seal between the first and second shield and inside the annular chamber.

OUTBOARD SEALING SYSTEM FOR A HEAVY-DUTY VEHICLE WHEEL END ASSEMBLY

An outboard sealing system cooperates with components of a heavy-duty vehicle wheel end assembly to retain lubricant in the assembly. The sealing system includes a seal that is disposed axially between an outboard bearing and a hubcap of a wheel end assembly. The seal also extends radially between an axle spindle nut and a surface of a bore formed in the hub of the wheel end assembly. The seal forms a barrier between the outboard bearing and the hubcap to reduce a flow of lubricant from a hub cavity into the hubcap. The sealing system retains lubricant in the wheel end assembly, prevents contaminants from entering the wheel end assembly, and retains the relative position of the outboard bearing in the hub during servicing. The sealing system preferably includes an additional barrier that reduces corrosion at the interface of the hubcap and an outboard face of the hub. 1. An outboard sealing system for a heavy-duty vehicle wheel end assembly , said wheel end assembly including an inboard bearing and an outboard bearing being immovably mounted on an outboard end of an axle spindle , a hub being rotatably mounted on said inboard and outboard bearings , an axle spindle nut threadably engaging said axle spindle and abutting the outboard bearing , and a hubcap being mounted on an outboard end of said hub , said outboard sealing system comprising:a seal being disposed axially between said outboard bearing and said hubcap and extending radially between said axle spindle nut and a surface of a bore formed in said hub, whereby said seal reduces a flow of lubricant from a cavity formed in said hub into said hubcap.2. The outboard sealing system for a heavy-duty vehicle wheel end assembly of claim 1 , wherein said seal includes a core being formed of a rigid material claim 1 , and includes an elastomeric member being bonded to said core claim 1 , said elastomeric member being formed of at least one of an elastomer and a polymer.3. The outboard sealing system for a heavy-duty ...

WHEEL BEARING DEVICE

A sealing device includes a core metal that is fitted to the outer ring, and a sealing member that is fixed to the core metal. The core metal has a cylindrical portion that is fitted to the inner periphery of an end portion of the outer ring, an outer annular portion, and an inner annular portion. The sealing member has a covering portion that covers the outer annular portion and the cylindrical portion, and a space is formed between the covering portion and the flange. The sealing member further has an inner lip portion, and an outer lip portion. The covering portion has a deformed portion used to enlarge the space to suppress stagnation of water in the space. 1. A wheel bearing device comprising:an inner ring having a flange;an outer ring located radially outward of the inner ring;rolling elements disposed between the inner ring and the outer ring; anda sealing device that prevents foreign matter from entering an inside of a bearing, in which the rolling elements are located, whereinthe sealing device includes a core metal that is fitted to the outer ring, and a sealing member that is fixed to the core metal,the core metal has a cylindrical portion that is fitted to an inner periphery of an end portion of the outer ring, an outer annular portion that extends radially outward from the cylindrical portion and that is brought into contact with an end face of the outer ring, and an inner annular portion that extends radially inward from the cylindrical portion,the sealing member has a covering portion that covers a flange side-portion of the outer annular portion and an inner peripheral side portion of the cylindrical portion, a space being formed between the covering portion and a side face of the flange, the sealing member having an inner lip portion that extends from the inner annular portion toward the flange and is in sliding contact with an inner seal face of the flange, and an outer lip portion that extends from the outer annular portion toward the flange, a ...

ROLLING BEARING UNIT WITH ROTATIONAL SPEED DETECTING DEVICE

There is provided a structure capable of sufficiently securing sealing performance by a cap (). In a state where a fitting insert () formed of a nonmagnetic material having a bottomed cylindrical shape is fixed to an inner diameter side of a cap cylindrical part () constituting a cap body () formed of a synthetic resin having a bottomed cylindrical shape, an axially outboard end opening of a through-hole () formed in a cap bottom part () of the cap body () is closed by an axially inboard surface of an insert bottom part () of the fitting insert (). An outer circumferential surface of an insert cylindrical part () of the fitting insert () is directly fitted into and fixed to an inner circumferential surface of an axially inboard end of an outer ring (). 1. A rolling bearing unit with a rotational speed detecting device , the rolling bearing unit comprising:an outer ring which includes double rows of outer ring raceways on an inner circumferential surface thereof and is not rotatable when used;a hub which includes double rows of inner ring raceways on an outer circumferential surface thereof, is supported concentrically with the outer ring at an inner diameter side of the outer ring and is provided with a rotation-side flange for supporting a wheel at a portion of an outer circumferential surface which axially protrudes outward with respect to an axially outboard end of the outer ring;a plurality of rolling elements which are rollably provided for each row between the outer ring raceways and the inner ring raceways, respectively;an annular encoder which is configured by alternately changing magnetic characteristics on an axially inboard surface thereof and is supported to an axially inboard end of the hub concentrically with the hub;a cap which is mounted on an axially inboard end of the outer ring and closes an axially inboard end opening of the outer ring; a sensor which is provided to face a detected surface of the encoder and configured to change an output signal ...

HUB-BEARING UNIT WITH A SEALING DEVICE

A hub-bearing unit for rotatably is provided with a stationary radially outer ring, a radially inner ring, an annular gasket, and a second metal insert. The radially inner ring includes a flange for mounting a wheel and a sealing device having a first metal insert, annular shaped, steadily fixed at an end portion of the outer ring facing the flange. The annular gasket includes a plurality of elastomeric sealing lips and steadily fixed to the metal insert. The second metal insert is steadily fixed on an axial cylindrical surface of the inner ring. The gasket presents a first axial contacting lip. The first axial contacting lip slidingly contacts a substantially frustoconical portion of the metal insert. 1. A hub-bearing unit for rotatably mounting a wheel to a vehicle , the unit having an axis of rotation and comprising:a radially outer ring, stationary;a radially inner ring, which is rotatable about the axis of rotation and provides a flange extending in a radially outer direction for mounting a wheel;a plurality of rolling bodies interposed between the outer and inner rings; anda sealing device comprising a first metal insert, having an annular shape, steadily fixed at an end portion of the outer ring facing the flange, an annular gasket, having a plurality of elastomeric sealing lips and steadily fixed to the metal insert, and a second metal insert, steadily fixed on an axial cylindrical surface of the inner ring,wherein the gasket presents a first axial contacting lip, which slidingly contacts a substantially frustoconical portion of the metal insert,wherein the axial positioning of the metal insert is ensured by the contact of a substantially radial portion against a radial surface of the flange,wherein the flange forms an annular protrusion, which projects in an axially internal direction and presents a radially internal surface, the radially internal surface being one of cylindrical or frustoconical shaped, exposed towards the rotation axis,wherein the axial ...

WHEEL ASSEMBLY SEAL

A wheel assembly includes a spindle; a wheel hub rotatable relative to the spindle; a seal mounted between the spindle and the wheel hub, the spindle, the wheel hub, and the seal defining a sealed cavity, the seal coupled to an inner end of the wheel hub and a mounting flange of the spindle; and a bearing mounted between the spindle and the wheel hub within the sealed cavity, the wheel hub configured to rotate on the bearing relative to the spindle. 1. A wheel assembly comprising:a spindle;a wheel hub rotatable relative to the spindle;a seal mounted between the spindle and the wheel hub, the spindle, the wheel hub, and the seal defining a sealed cavity, the seal coupled to an inner end of the wheel hub and a mounting flange of the spindle; anda bearing mounted between the spindle and the wheel hub within the sealed cavity, the wheel hub configured to rotate on the bearing relative to the spindle.2. The wheel assembly of claim 1 , wherein the seal is coupled to a seal mounting surface defined on the inner end of the wheel hub claim 1 , the seal mounting surface facing an axial direction.3. The wheel assembly of claim 1 , wherein the seal is coupled to a seal mounting surface defined on the mounting flange of the spindle claim 1 , the seal mounting surface facing an axial direction.4. The wheel assembly of claim 1 , further comprising a plurality of bolts coupling the seal to the inner end of the wheel hub and the mounting flange of the spindle.5. The wheel assembly of claim 1 , wherein the seal comprises:a first O-ring contacting the inner end of the wheel hub; anda second O-ring contacting the mounting flange of the spindle.6. The wheel assembly of claim 1 , further comprising a brake assembly coupled to the wheel hub and the spindle outside of the sealed cavity.7. The wheel assembly of claim 1 , further comprising a cover coupled to the wheel hub claim 1 , the cover further defining the sealed cavity claim 1 , wherein a check valve is mounted in a check valve bore ...

BEARING UNIT FOR A VEHICLE WHEEL

A bearing unit having an axis of rotation and provided with a stationary ring and a rotatable ring arranged coaxially with respect to one another, a magnetic encoder fixed onto the inner ring and extending in front of an annular surface of the stationary ring; and a protective cover mounted on the external ring to protect the encoder and close off a space defined between the two rings; an annular channel being formed in the stationary ring and sealing means being arranged between the side wall and the axial lug within the annular channel so as to seal the cover and prevent the infiltration of impurities between the cover and the axial lug. 111. A bearing unit () for a vehicle wheel , the bearing unit () having an axis of rotation (A) and comprising:{'b': 10', '14', '12', '14', '14', '15, 'a radially outer stationary ring () provided with a tubular axial lug (′) delimited by an outer cylindrical surface (), and with a flange () transverse to the axis of rotation (A) and axially delimited, on the side where the axial lug (′) is located, by an axial front surface ();'}{'b': 20', '10', '3, 'a radially inner rotatable ring () defining, together with the stationary ring (), a space ();'}{'b': 30', '20', '3', '14, 'an encoder () fixed onto the inner ring () and extending outside of the space () and in front of the axial lug (′); and'}{'b': 40', '14', '30', '3', '42', '12, 'a protective cover () mounted on the axial lug (′) so as to protect the encoder () and close off the space () and having a side wall () mounted on the outer cylindrical surface (); wherein'}{'b': 10', '16', '15', '17, 'the stationary ring () provides a first shaped annular channel () formed through the axial surface () and delimited axially by a bottom surface (); wherein'}{'b': 18', '18', '42', '14, 'a second annular channel ()(′) is arranged between the side wall () and the axial lug (′); wherein'}{'b': 42', '40', '43', '17', '16, 'the side wall () of the cover () is provided with an edge () arranged ...

Controlled Lubricant Volume Seal Housing

A mechanical drive seal housing includes a lubricant reservoir to supplement the amount of available lubricant. The lubricant is used to cool a seal having two halves. The seal halves include complimentary textures configured to move and retain lubricant. A drive axle includes a stationary shaft and a wheel hub rotatably connected to the stationary shaft. A metal face seal is located at an interface between the stationary shaft and the wheel hub. A stationary seal half of the metal face seal is located in a mechanical drive seal housing which includes a lubricant reservoir to supplement the amount of available lubricant. 1. A mechanical drive seal housing comprising:a circular outer diameter;a circular inner diameter;a seal receiving slot located on a first side of the mechanical drive seal housing between the outer diameter and the inner diameter;a lubricant reservoir located adjacent to the seal receiving slot and between the outer diameter and the inner diameter.2. The mechanical drive seal housing of wherein the lubricant reservoir protrudes outward from a second side of the mechanical drive seal housing.3. The mechanical drive seal housing of wherein the lubricant reservoir is sized to contain a predetermined amount of lubricant.4. The mechanical drive seal housing of wherein the predetermined amount of lubricant is an additional amount substantially equal to an amount of lubricant required to fill a cavity of the mechanical drive seal housing above a lubricant fill level.5. The mechanical drive seal housing of wherein the lubricant reservoir is located radially and axially inward of the seal receiving slot.6. The mechanical drive seal housing of wherein the lubricant reservoir protrudes adjacent to a surface of a standing lubricant level.7. The mechanical drive seal housing of wherein the lubricant reservoir protrudes tapered from a first point of zero protrusion to a point of maximum protrusion to a second point of zero protrusion along substantially one-half ...

Bearing device having improved sealing mounting structure

There is provided a bearing device in which an inner member and an outer member are connected to each other in a relative rotation relationship through rolling elements. A sealing member may be provided in an end portion of the bearing device so as to prevent an external foreign substance from flowing into the bearing device or prevent lubricant filled in the bearing device from leaking out of the bearing device. The sealing member may comprise a frame constituting a basic body and an elastic sealing portion attached to the frame, and the elastic sealing portion may comprise one or more sealing lips. The one or more sealing lips may comprise a main sealing lip configured to perform a main sealing function and an auxiliary sealing lip located inward of the main sealing lip.

Wheel assembly including inner and outer rim coupled hydraulic dampers and related methods

A wheel assembly to be coupled to a hub of a vehicle may include an inner rim to be coupled to the hub of the vehicle and an outer rim surrounding the hub. The wheel assembly may also include gas springs operatively coupled between the inner rim and the outer rim to provide a gas suspension for relative movement between said inner rim and said outer rim. The wheel assembly may also include hydraulic dampers operatively coupled between the inner rim and the outer rim.

Unitized wheelend assembly and method of installation

A unitized wheelend is provided. The unitized wheelend includes a hub having an inboard side bounded by an oil seal and an outboard side bounded by a retainer releasably coupled to the hub. The unitized wheelend assembly includes an inboard bearing assembly, a spacer, an outboard bearing assembly, and a spindle nut assembly.

HUB-BEARING ASSEMBLY FOR A VEHICLE WHEEL

A hub-bearing assembly having an axis of rotation and provided with an outer ring and an inner ring that define between them an interspace. The inner ring is provided with a flange that is transverse to the axis, and a sealing device being interposed between the outer ring and the inner ring and being provided with a moving sealing lip that is integral with the flange with the interposition of a second sealing shield, and which is directed towards a front annular surface of the outer ring. 1. A hub-bearing assembly having an axis of rotation and comprising:an outer bearing ring radially bordered by a cylindrical outer surface coaxial to the axis of rotation and axially delimited by an annular surface transverse to the axis of rotation and adjacent to the cylindrical outer surface;an inner bearing ring defining with the outer ring an interspace, and provided with a flange that is transversal to the axis of rotation; anda sealing device, which is interposed between the outer ring and the inner ring to prevent the entry in the hub-bearing assembly of any impurities through the interspace, and provides:a first sealing shield joined to the outer ring and supports a static sealing lip extending axially beyond the outer surface towards the annular flange;a second sealing shield joined with the inner ring and has an annular wall arranged against the flange and in a frontal position to the static sealing lip; whereinthe sealing device provides a dynamic lip joined to the annular wall of the second sealing shield and directed towards the annular surface of the outer ring.2. The hub-bearing assembly according to claim 1 , wherein both the static sealing lip and the dynamic sealing lip are not contacting and are oriented in opposite axial directions relative to one another.3. The hub-bearing assembly according to claim 2 , wherein the outer ring of the bearing provides a groove formed through the outer cylindrical surface claim 2 , the second sealing shield comprises a ...

Hub-bearing assembly for a vehicle wheel

A hub-bearing assembly having an axis of rotation and provided with a bearing outer ring and a bearing inner ring that define between them an interspace. The outer ring having a shaped groove and the inner ring being provided with a flange that is transverse to the axis of rotation; a sealing device, which is interposed between the outer ring and the inner ring to prevent the entry of impurities into the hub-bearing assembly through the interspace, being provided with a protective cover mounted on the flange to rotate with the inner ring, and extends around the outer ring to close off the interspace from the exterior of the interspace, and has a free terminal edge arranged to snap into the shaped groove to define an annular outlet that is placed inside the shaped groove.

Wheel Drive having a Rotary Union

A wheel hub drive with a planetary transmission includes a wheel hub rotatably mounted on a fixed component and at least one fluid-carrying passage. The fixed component is configured to receive a tire with a gaseous filling. The at least one fluid-carrying passage extends indirectly as far as the tire through the fixed component in order to regulate the gas pressure in the tire. An annular rotary union defines at least a portion of the at least one fluid-carrying passage and is configured to connect the fixed component fluidically to the tire. The annular rotary union is arranged axially between the fixed component and the rotatably mounted wheel hub. 1. A wheel hub drive having a planetary transmission , comprising:a fixed component;a wheel hub rotatably mounted on the fixed component and configured to receive a tire with a gaseous filling, the fixed component defining at least one fluid-carrying passage that extends indirectly as far as the tire through the fixed component so as to regulate the gas pressure in the tire; andan annular rotary union defining at least one fluid-carrying passage configured to connect the fixed component fluidically to the tire, the annular rotary union arranged axially between the fixed component and the rotatably mounted wheel hub.2. The wheel hub drive according to claim 1 , wherein the rotary union comprises an inner ring element and an outer ring element claim 1 , wherein the inner ring element is connected to the fixed component in a manner fixed against rotation relative thereto claim 1 , and wherein the outer ring element is connected to the rotatably mounted wheel hub in a manner fixed against rotation relative thereto.3. The wheel hub drive according to claim 2 , wherein an annular gap is formed axially between the fixed component and the outer ring element claim 2 , the gap being sealed off by a dynamic seal element arranged therebetween.4. The wheel hub drive according to claim 3 , wherein the fixed component defines at ...

POWER TRANSMISSION DEVICE

A power transmission device includes: an axle housing having a central hole where a drive shaft is penetrated; a wheel hub disposed in an outer portion of the axle housing via wheel bearings; a speed-reducer housing chamber provided in the wheel hub to cover an opening end portion of the axle housing; a gear speed reducer, formed inside the speed-reducer housing chamber, to decelerate a rotation of the drive shaft and transmit the rotation to the wheel hub; and a wet-type brake mechanism housed in a brake chamber formed between the axle housing and the wheel hub, and actuated such that braking is applied to a rotation of the wheel hub relative to the axle housing. Further, floating seals are disposed between a lubrication space and the speed-reducer housing chamber, and a circulation passage for oil that includes an oil filter is connected to the lubrication space. 1. A power transmission device comprising:an axle housing that has a central hole at a central portion in which a drive shaft is rotatably penetrated;a wheel hub rotatably disposed in an outer peripheral portion of the axle housing via a pair of wheel bearings;a speed-reducer housing chamber provided in the wheel hub in a manner covering an opening end portion of the axle housing;a gear speed reducer that is formed inside the speed-reducer housing chamber, and decelerates a rotation of the drive shaft and transmits the rotation to the wheel hub; anda wet-type brake mechanism housed in a brake chamber formed between the axle housing and the wheel hub, and actuated such that braking is applied to a rotation of the wheel hub relative to the axle housing, whereinfloating seals are disposed between a lubrication space, including the brake chamber and the pair of wheel bearings, and the speed-reducer housing chamber, anda circulation passage for oil that includes an oil filter is connected to the lubrication space.2. The power transmission device according to claim 1 , wherein the floating seals are disposed at ...

BEARING STRUCTURE

A deflector is arranged to prevent differential oil, as lubrication oil, leaking from a gap between a rod of an axle and a shaft portion of a drive shaft and passing through a unit bearing, from attaching to an inner periphery of a brake drum. A guide groove unit is formed on an inward surface of a hub in a vehicle-width direction so as to guide the differential oil leaking into an internal space defined inside of the deflector to outside of the brake drum. 1. A bearing structure wherein a hub is rotatably fitted , through a bearing , over a rod protruded from an end of an axle , a drive shaft being inserted into said axle from a rod side and having a flange formed on an end thereof away from the inserted end and fastened to an outward surface of said hub in a vehicle-width direction for rotation of said hub through said drive shaft , a brake drum being mounted on an inward surface of a flange of said hub in the vehicle-width direction for rotation of the brake drum integrally with said hub ,said bearing structure comprisinga deflector arranged to prevent lubrication oil, which leaks from a gap between the rod of said axle and a shaft portion of the drive shaft to pass through said bearing, from attaching to an inner periphery of the brake drum, anda guide groove unit formed on an inward surface of said hub in the vehicle-width direction to guide the lubrication oil, which leaks in an internal space defined inside of said deflector, outside of the brake drum.2. The bearing structure according to wherein said guide groove unit comprises lightening depressions formed on an outer periphery of the inward surface of the flange of the hub in the vehicle-width direction claim 1 , and discharge grooves on an inward surface of said hub in the vehicle-width direction for communication between said lightening depressions and an internal space defined by said deflector.3. A bearing structure wherein a hub is rotatably fitted claim 1 , via a bearing claim 1 , over a rod for ...

Seal assembly for a vehicle motorized wheel

A seal assembly configured to prevent/limit the entry of external contaminants into a motor compartment of a motorized wheel for vehicles is described. The seal assembly comprises a first support ring which is fixed, a second support ring which is rotatable and radially outermost of the first support ring, and an annular seal interposed between the support rings and including an anchor portion, attached to the second support ring and at least a first and a second annular sealing lip, protruding cantilevered from the anchor portion, mounted by interference between the support rings, defining a sealing configuration, wherein they cooperate with distinct portions of the first support ring along respective annular contact lines, and set by centrifugal effect in a detaching configuration from the respective portions of the first support ring at speeds of the motorized wheel greater than a predetermined non-zero value.

Wheelend assembly seal

A wheelend assembly seal between the hub of a wheelend and a spindle shaft is provided. The wheelend assembly seal is a seal device having at least a static seal structure, a wear ring, and a dynamic seal structure. The dynamic seal structure comprises a resilient member that is biased such that in an uninstalled state, the resilient member diverges from an axially extending portion of the dynamic seal structure. When installed, the resilient member is compressed to be approximately parallel the axially extending portion and forms a seal between the surface of the resilient member and the outer surface of the spindle shaft.

Hub Unit Bearing

Provided is a hub unit bearing wherein a cover can be firmly fitted with an outer ring member, and it is difficult for foreign matter to enter inside through a water drainage hole formed in the cover. The cover that covers the inside end section in the axial direction of the hub unit bearing includes a disk section, a small-diameter cylindrical section bent in the axial direction from the outer perimeter edge section of the disk section and a large-diameter cylindrical section. A cut and raised section that is cut and raised toward the inside in the radial direction is formed in the small-diameter cylindrical section, and a water drainage hole that passes through from inside to outside the cover is provided in the portion that is cut and separated from the small-diameter cylindrical section. 1. A hub unit bearing comprising:an outer ring member, which is a stationary ring;an inner ring member, which is a rotating ring that can rotate relative to the outer ring member via a plurality of rolling elements; anda cover that covers the inside end sections in the axial direction of the outer ring member and inner ring member,the cover having:a disk section; anda cylindrical section that is bent outward in the axial direction from the perimeter edge section of the disk section, and is fitted with and fastened to the outer ring member, andthe cylindrical section having a groove section that is recessed toward the inside or the outside in the radial direction along the axial direction, and a water drainage hole that passes through from the inside to the outside of the cover is formed in the portion between the groove section and the outer ring member.2. The hub unit bearing according to claim 1 , whereinthe groove section is formed in the cylindrical section such that the groove section is parallel with the axial direction of the cover.3. The hub unit bearing according to claim 1 , whereinthe groove section is formed in the cylindrical section such that the groove section is ...

HUB LUBRICANT CONTAINMENT SEAL SYSTEM

An apparatus for a vehicle is provided that includes a spindle sleeve with a spindle sleeve inner surface axis. The spindle sleeve has a spindle sleeve outer surface axis that is not coaxial with the spindle sleeve inner surface axis. A hub with a hub axis coaxial with the spindle sleeve outer surface axis is also present. Also included are first and second bearings within the hub, and a containment seal that engages the hub and the spindle sleeve. A sleeve washer is included, and the containment seal is located between the first 1. An apparatus for a vehicle , comprising:a spindle sleeve with a spindle sleeve inner surface axis, wherein the spindle sleeve has a spindle sleeve outer surface axis that is not coaxial with the spindle sleeve inner surface axis;a hub with a hub axis coaxial with the spindle sleeve outer surface axis;a first bearing located within the hub;a second bearing located within the hub;a containment seal that engages the hub and the spindle sleeve; anda sleeve washer, wherein the containment seal is located between the first bearing and the sleeve washer in an axial direction of the hub.2. The apparatus as set forth in claim 1 , wherein the spindle sleeve claim 1 , the hub claim 1 , the first bearing claim 1 , the second bearing claim 1 , the containment seal claim 1 , and the sleeve washer are prepackaged into a preassembled assembly before installation onto an axle of a vehicle.3. The apparatus as set forth in claim 1 , wherein the containment seal engages the first bearing and the sleeve washer.4. The apparatus as set forth in claim 1 , wherein the containment seal has a containment seal aperture and a containment seal axis that extends through the containment seal aperture claim 1 , wherein the spindle sleeve extends through the containment seal aperture claim 1 , wherein the containment seal axis is coaxial with the spindle sleeve outer surface axis.5. The apparatus as set forth in claim 2 , wherein the containment seal has a felt ring that ...

SEALING DEVICE FOR A WHEEL HUB UNIT

Sealing device for a wheel hub unit is disclosed herein, wherein the sealing device being able, during use, to form a static seal for protecting the wheel hub unit from any environmental pollutant and being provided with a screen, which is engaged with a collar of the wheel hub unit and has a bottom wall, a cylindrical side wall integral with and more or less perpendicular to the bottom wall. The sealing device is designed and structured to protect the wheel hub unit from any environmental contaminant that the wheel hub unit may be exposed to during usage. 1. A sealing device , comprising:a screen with a bottom wall being coupled to a collar of a wheel hub unit;a cylindrical side wall being integral and substantially perpendicular to the bottom wall, the cylindrical side wall having twice the thickness of the bottom wall such that the screen being more rigid;a stop edge being integral to the cylindrical side wall on an opposite side to the bottom wall, the stop edge configured to bear, during use, axially against the collar;a seat bound by a shaped groove, the shaped grove being formed in the collar and by the screen, the seat including a closed shape configuration; anda sealing gasket—being a sealing liquid, the sealing liquid being anaerobic and formulated so as to fill and seal the seat, and the sealing liquid being configured to polymerize when closed between the collar and the screen.2. The sealing device of claim 1 , wherein the seat includes a maximum axial and/or radial dimension of a desired value claim 1 , the sealing liquid defining the sealing gasket includes a viscosity in the range of 500 claim 1 ,000 to 1 claim 1 ,000 claim 1 ,000 mPa·s (millipascal-second).3. The sealing device of claim 2 , wherein the seat is defined by a first bottom surface and a second bottom surface claim 2 , the first and second bottom surfaces facing respective surfaces of the screen claim 2 , the first and second bottom surfaces are inclined with respect to the surfaces of ...

BICYCLE COMPONENT COMPRISING AN ADAPTER UNIT AND ADAPTER UNIT

A bicycle component includes a hub shell for a wheel of an at least partially muscle-powered bicycle, wherein the hub shell is rotatably supported by at least one bearing device. An adapter unit is disposed on one end of the hub shell. The adapter unit includes an inner stopper having an inner stop face for transferring a clamping force to the bearing device and an outer stopper with an outer stop face transmitting at least part of the clamping force. The adapter unit includes a first and a second stopper component transmitting the clamping force. 1. A bicycle component , comprising: a hub shell for a wheel of an at least partially muscle-powered bicycle , the hub shell being rotatably supported by means of at least one bearing device; wherein an adapter unit is arranged on at least one end of the hub shell; wherein the adapter unit comprises an inner stopper having an inner stop face for transferring a clamping force to the bearing device and an outer stopper with an outer stop face transmitting at least part of the clamping force; the adapter unit includes a first and at least one second stopper component transmitting the clamping force; and the outer stopper has a larger stop face and/or a larger outer diameter than does the inner stopper.2. The bicycle component according to wherein the outer stopper has an outer diameter that is larger than a maximum outer diameter of the bearing device and/or than a maximum inner diameter of the hub shell.3. The bicycle component according to wherein the inner stopper with the inner stop face is configured on the first stopper component and/or wherein the outer stopper with the outer stop face is configured on the second stopper component.4. The bicycle component according to wherein a standard brake disk accommodation with a non-round outer contour is configured at one end of the hub shell claim 1 , and wherein a fixing accommodation with an internal thread is configured on the hub shell in an axial region of the brake disk ...

WHEEL HUB ARRANGEMENT FOR A MOTOR VEHICLE

A wheel hub arrangement for a motor vehicle, provided with a hub which is rotatably mounted by a wheel bearing for the attachment of a wheel. A shaft, which is formed separately from the wheel hub, is non-rotatably coupled to the wheel hub. At the same time a first receiving section of a sealing receptacle is formed in the wheel hub in which is arranged a shaft, in which a sealing device is arranged which engages a second receiving section of the sealing receptacle formed in the axial direction with respect to an axis of rotation of the wheel hub, adjacent to the first receiving section. 1. A wheel hub arrangement for a motor vehicle , comprising:a wheel hub which is rotatably mounted by a wheel bearing for the attachment of a wheel, wherein a shaft, formed separately from the wheel hub, is non-rotatably coupled to the wheel hub, wherein a first receiving section of a sealing receptacle is formed in the wheel hub, in which is arranged a sealing device, which engages in the second receiving section of the sealing receptacle adjacent to the first receiving section of the sealing receptacle adjoining the first receiving section in the axial direction with respect to the rotational axis of the wheel hub formed in the shaft.2. The wheel hub arrangement according to claim 1 , wherein the shaft is provided on its side facing the wheel hub with a shaft pin engaged in the wheel hub claim 1 , in particular with a shaft pin which is connected to a joint hub of a synchronous joint or a cardan joint.3. The wheel hub arrangement according to claim 2 , wherein the shaft claim 2 , and the shaft pin claim 2 , is provided with toothing for non-rotatable coupling to the wheel hub claim 2 , which meshes with the counter-toothing of the wheel hub.4. The wheel hub arrangement according to claim 1 , wherein the first receiving section completely engages the wheel hub in the axial direction.5. The wheel hub arrangement according to claim 1 , wherein the sealing device is sealingly arranged ...

Wheel hub and bearing assembly packaging

A packaging system having an outboard guard and an outboard retainer cap. The outboard guard includes an outboard guard opening having a hole through the planform of the outboard guard, an engagement portion having an annular surface radially surrounding the outboard guard opening, an outboard bearing protector portion having an annular surface radially surrounding the engagement portion of the outboard guard, and an outer rim having an annular surface radially surrounding the outboard bearing protector portion. The outboard retainer cap is configured to be removably affixed to the outboard guard and includes an outboard alignment protrusion having a circular surface, an engagement portion having an annular surface radially surrounding the outboard alignment protrusion, and a retaining flange having an annular surface radially surrounding the engagement portion of the outboard retainer cap.

SEALING STRUCTURE

A sealing structure includes: an inside member and an outside member. and a sealing member to seal an annular gap S between the inside member and the outside member, the inside member having a flange portion, a non-rusting metallic ring being fitted to the inside member, the sealing member including a lip slidably in contact with the metallic ring. A folded portion is disposed to the metallic ring, the folded portion protruding toward an opposite side of the flange portion in an axial direction, and the outside member includes an extending portion, the extending portion being positioned on an outside in a radial direction with respect to the folded portion of the metallic ring, the extending portion extending toward the flange portion side. 1. A sealing structure , comprising: an inside member and an outside member configured to rotate around an axial center relatively to one another; and a sealing member to be mounted on the outside member so as to seal an annular gap between the inside member and the outside member , the inside member having a flange portion with an continuously expanding diameter , a non-rusting metallic ring being fitted to the inside member that includes a base portion of the flange portion , the sealing member including at least one lip slidably in contact with the metallic ring , whereinon an outer diameter side of the metallic ring, a folded portion is disposed, the folded portion protruding toward an opposite side of the flange portion in an axial direction, andthe outside member includes an extending portion, the extending portion being positioned on an outside in a radial direction with respect to the folded portion of the metallic ring, the extending portion extending toward the flange portion2. The sealing structure according to claim 1 , whereinin the folded portion, an end edge on the outside in the radial direction protrudes up to a position biased to an opposite side of the flange portion side with respect to an end portion of the ...

COUPLING SYSTEM OF A LOW FRICTION SEALING ASSEMBLY WITH A BEARING RING AND A HUB BEARING UNIT EQUIPPED WITH SUCH A SEALING ASSEMBLY

A sealing assembly including at least one first annular shield having a sleeve portion integral in use with a rotating member and a flange portion, which radially and overhangingly extends from the sleeve portion. Preferably, a second annular shield is arranged in front of the first shield with the interposition of an annular seal; wherein the sleeve portion of the first shield is delimited by a conic-truncated lateral mounting surface having a tapering facing so as to have a greater diameter arranged on the side of the flange portion and intended to couple in use with a mounting seat of the rotating member formed by a shallow recess delimited by a conic-truncated bottom wall having the same tapering as the lateral mounting surface and by an axial shoulder which is arranged on the side opposite to the flange portion. 1. A coupling system of a sealing assembly with a rotating annular member , in particular a ring of a rolling bearing , wherein the sealing assembly is a low friction sealing assembly , in particular designed for a hub bearing unit for a vehicle , insertable in an annular gap delimited by a rotating member and a stationary member , which are mutually coaxial , to protect at least one crown of rolling bodies arranged between the stationary member and the rotating member , and comprising:a first annular shield provided with a first sleeve portion integral in use with the rotating member and a first flange portion which extends radially and overhangingly from the first sleeve portion;a second annular shield provided with a second sleeve portion integral in use with the stationary member and with a flange portion overhangingly carried by the second sleeve portion, radially on side opposite to the first flange portion and in front of it; andan annular sealing ring provided with at least one first and one second annular lip;wherein the first sleeve portion of the first shield is delimited by a lateral mounting surface facing towards the rotating member and ...

LOW FRICTION SEALING DEVICE FOR A WHEEL HUB ASSEMBLY CONNECTED TO A CONSTANT VELOCITY JOINT

A sealing device for a wheel hub assembly having an outer ring and an inner ring. The sealing device includes a first (stationary) annular shield and a second (rotating) annular shield, each having a journalling portion and a flange portion radially extending in cantilever fashion from the journalling portion and towards the other shield; and an annular sealing element carried by the first shield and provided with a plurality of annular sealing lips. The first shield is coupled radially on the outside of the outer ring. The second shield flange portion includes a radially outer annular stretch opposite the journalling portion, extending axially towards the first shield and is incurved radially from the exterior towards the interior, on the side opposite the first shield, forming a U-arranged parallel to a common symmetry axis of the first and second shields, having a concavity thereof facing the side opposite the first shield. 1. A sealing device for a wheel hub assembly connected to a constant velocity joint and intended to be interposed between an inner ring and an outer ring of the wheel hub assembly and to extend straddling between the wheel hub and the constant velocity joint; the sealing device comprising:a first annular shield, stationary in use, anda second annular shield, rotating in use,wherein the first annular shield and the second annular shield are adapted to be anchored by an anchoring component of respective annular journalling sleeve-shaped portions thereof to the outer ring and to the inner ring of the wheel hub assembly, respectively, andthe first annular shield and the second annular shield each include a respective annular flange portion which radially extends in cantilever fashion from the journalling portion and toward the other shield, andan annular sealing element carried by the first shield and which is provided with a plurality of annular sealing lips; the flange portion of the second shield carrying, on the side opposite to the first ...

Hub-bearing assembly

A hub-bearing assembly for agricultural use having a rolling bearing, a housing, a closing cap and an axial retention feature. The roller bearing includes an outer ring, at least one inner ring, at least a row of rolling bodies and a sealing device. The housing includes an almost annular cylindrical shape, the housing at one end forming a radial flange, containing the rolling bearing and being in direct contact with the bearing outer ring. The closing cap is assembled on the housing at the opposite end with respect to the end, where the housing forms the flange. It is noted that the cap is cup shaped. The axial retention feature is located along an external surface of the outer ring. The retention feature is located opposed to the axial sliding of the outer ring with respect to the housing.

COUPLING SYSTEM FOR A LOW-FRICTION SEALING ASSEMBLY, AND WHEEL HUB UNIT EQUIPPED WITH SAID SEALING ASSEMBLY

A coupling system for a sealing assembly with a rotating annular member. In particular, a bearing ring provided with a flange. The sealing assembly provides at least one first annular shield having a sleeve portion integrally coupled with the rotating annular member and a flange portion that radially and overhangingly protrudes from the sleeve portion and is arranged close to the flange. The sleeve portion is defined by a solid tubular body of rotation delimited by a mounting surface facing towards the rotating annular member and having cylindrical geometry, In combination, the sleeve portion couples with an assembly seat of the rotating annular member, formed by an annular shallow recess delimited by a cylindrical bottom surface and by an axial shoulder arranged on the side opposite to the flange; the first annular shield being placed, at the same time, in axial contact with the flange portion and the axial shoulder. 1. A coupling system of a sealing assembly with a rotating annular member , in particular a ring of a rolling bearing provided with a flange , the sealing assembly comprises:at least one first annular shield having a sleeve portion coupled integrally with the rotating annular member, anda flange portion that radially and overhangingly protrudes from the sleeve portion; whereinthe sleeve portion of the first annular shield is defined by a solid tubular body of rotation delimited by mounting surface facing towards the rotating annular member and having cylindrical geometry; and whereinin combination, the sleeve portion couples with an assembly seat of the rotating annular member formed by an annular shallow recess delimited by a bottom surface having and by an axial shoulder arranged on the side opposite to the flange; the first annular shield being positioned, at the same time, in axial contact with the flange and the axial shoulder.2. The coupling system according to claim 1 , wherein the axial shoulder defines claim 1 , along the bottom surface of the ...

WHEEL BEARING ASSEMBLY WITH INTEGRATED SEAL

Wheel bearing assembly for motor vehicles, the assembly being provided with a wheel hub and a bearing unit in turn provided with a radially outer ring and at least one radially inner ring provided, respectively, with a first raceway and at least one second raceway, with at least one row of rolling bodies arranged between the radially outer ring and the at least one radially inner ring, and with a cage for containing the at least one row of rolling bodies; the wheel bearing assembly is moreover provided with sealing means integrated in the cage and provided with at least two radial contact lips made of elastomeric material, with at least one first radial lip in contact with the radially inner ring and with at least one second radial lip in contact with the radially outer ring. 1. A wheel bearing assembly for motor vehicles , the assembly comprising a wheel-hub and a bearing unit in turn comprising:a radially outer ring and at least one radially inner ring provided, respectively, with a first raceway and at least one second raceway;at least one row of rolling bodies arranged between the radially outer ring and the at least one radially inner ring; anda cage for containing the at least one row of rolling bodies; anda seal integrated in the cage and provided with at least two radial contact lips made of elastomeric material, with at least one first radial lip in contact with the radially inner ring and with at least one second radial lip in contact with the radially outer ring,wherein the seal is disposed on an axially outer ride of the at least one row of rolling bodies.2. The wheel bearing assembly according to claim 1 , wherein the cage has a support portion on which the at least two radial lips are co-moulded and the centre of gravity of the support portion is positioned approximately on the same diameter in which a center of a rolling body of the at least one row of rolling bodies is positioned with respect to an axis (X) of symmetry of the bearing unit.3. The ...