ГИДРАВЛИЧЕСКАЯ ОПОРА ДВИГАТЕЛЯ

Abziehbarer Verbundstoff und seiner Verwendung bei der Herstellung von Ausgleichsscheiben

Einrichtung zum Vulkanisieren eines Rohlings aus elastomerem Material

Einrichtung (1) zum form- oder konturgebenden Vulkanisieren einer gewebeverstärkten Gummimembran zu einem Luftfederbalg (8), bei der der Rohling mindestens endseitig zwischen einem inneren Form- und/oder Einspannwerkzeug (5, 6) und einer den Rohling umgebenden Vulkanisationsform (2) eingespannt ist und sich während der konturgebenden Vulkanisation durch Innendruck beaufschlagt an die Innenoberfläche der Vulkanisationsform (2) anlegt, dadurch gekennzeichnet, dass die Oberfläche des Einspannwerkzeugs (5) mindestens im Kontaktbereich (12) mit dem Rohling eine Oberflächenstruktur (13) mit Erhebungen und/oder Vertiefungen aufweist, die in Oberflächenrichtung einen solchen Abstand aufweisen, dass in Bezug auf die Fadenbreite bzw. den Fadendurchmesser der Gewebefäden in der Gewebeverstärkung mindestens ein Wechsel von einer Erhebung auf eine Vertiefung oder umgekehrt innerhalb einer Fadenbreite erfolgt und damit so ausgebildet und angeordnet sind, dass während der Einspannung ein durch den Druck ...

Verfahren zur Montage eines Drehschwingungsdämpfers sowie Drehschwingungsdämpfer

Verfahren zur Montage eines Drehschwingungsdämpfers (100), insbesondere für einen Antriebsstrang, der Drehschwingungsdämpfer (100) aufweisend ein Dämpfereingangsteil (102) und ein Dämpferausgangsteil (104) mit einer gemeinsamen Drehachse (106), um die das Dämpfereingangsteil (102) und das Dämpferausgangsteil (104) zusammen drehbar und relativ zueinander begrenzt verdrehbar sind, und eine zwischen dem Dämpfereingangsteil (102) und dem Dämpferausgangsteil (104) wirksame Feder-Dämpfer-Einrichtung (108) mit wenigstens einer Feder (110), wobei das Verfahren die Montage einer Unterbaugruppe (122) umfasst, die Unterbaugruppe (122) aufweisend ein Drehmomentbegrenzer (124), ein Nabenabschnitt (126) und eine Fliehkraftpendeleinrichtung (128), wobei die Unterbaugruppe (122) vormontiert wird, und Drehschwingungsdämpfer (100) mit einem Eingangsdeckelteil (114), das radial innenseitig einen sich im Wesentlichen in axialer Richtung erstreckenden Abschnitt (120) aufweist.

Vibration damper, has cylinder pipe connected with piston rod guide, where radially acting magnetic force is exerted at connection of cylinder pipe in region of cylindrical outer surface of piston rod guide, and causes deformation of pipe

The damper has a damping valve body attached at a piston rod and comprising a passage opening, which is subjected by a damping valve. A piston rod guide (5) is arranged in an end region of a cylinder pipe (4). The cylinder pipe is connected with the piston rod guide. A radially acting magnetic force is exerted at connection of the cylinder pipe in a region of a cylindrical outer surface (7) of the rod guide. The magnetic force causes deformation of the pipe. The magnetic force is produced by a magnetic coil. The outer surface is provided with a recess.

Spring for motor vehicle, has spring shim, which is up-vulcanized directly on spring, and is arranged on axial end of spring

The spring (1) has a spring shim (2). The spring is stored in a contact area (8) of the spring shim. The spring shim is up-vulcanized directly on the spring. The spring shim is arranged on axial end of the spring, and is made of a vulcanized material, particularly rubber. The spring shim has a cathode corrosion protection element, particularly a zinc sheet.

Drehmomentübertragungseinrichtung, Baueinheit für diese und Verfahren zur Herstellung der Drehmomentübertragungseinrichtung

Die Erfindung betrifft eine Drehmomentübertragungseinrichtung für einen Antriebsstrang eines Kraftfahrzeugs, ein Verfahren zu deren Herstellung mit einem an einer Kurbelwelle aufgenommenen Drehantriebsteil, einem mit dem Drehantriebsteil verbundenen Anlasserzahnkranz und einem Fliehkraftpendel mit einer koaxial zum Drehantriebsteil angeordneten Flanscheinrichtung und daran über den Umfang verteilten gegenüber diesem begrenzt verlagerbaren Pendelmassen. Um eine Drehmomentübertragungseinrichtung einfacher herstellen zu können und höher beanspruchen zu können, bilden Anlasserzahnkranz und Fliehkraftpendel eine vormontierte und in vormontiertem Zustand an dem Drehantriebsbauteil aufgenommene und ausschließlich mittels des Anlasserzahnkranzes an dem Drehantriebsteil befestigte Baueinheit.

Hydraulisch dämpfendes Lager

Ein hydraulisch dämpfendes Lager weist ein erstes Verankerungsteil (1) auf, das über einen elastischen Tragkörper (3) an einem zweiten Verankerungsteil abgestützt ist. Ein mit Dämpfungsflüssigkeit gefüllter Arbeitsraum (5) ist über einen in einem Düsenkörper (6) angeordneten Dämpfungskanal (10) flüssigkeitsleitend mit einem durch einen Rollbalg (8) abgeschlossenen Ausgleichsraum (7) verbunden. Ein den Rollbalg (8) übergreifender Lagerdeckel (9) ist mit dem Rollbalg (8), dem Düsenkörper (6) und dem Tragkörper (3) durch Verklipsung des Tragkörpers (3) mit dem Lagerdeckel (9) verbunden. Der Deckelrand (15) des Lagerdeckels (9) wird von einem umgebördelten Gehäuserand (18) eines den Tragkörper (3) umschließenden, das zweite Verankerungsteil bildenden Lagergehäuse (19) übergriffen.

Method of locating a balancer shaft bearing

A method of locating a balancer shaft bearing 105a of an engine, the method comprising the steps of: attaching a bearing retention clip 123a to a balancer shaft bearing cap (Fig.1, 111 a, 111b) thereby: defining a balancer shaft bearing cap assembly 122a the bearing retention clip 123a, comprising one or more retaining elements 125 that extend at least partially across an opening 113a of the balancer shaft bearing cap (Fig.1, 111 a, 111b) in an installed configuration; assembling: the balancer shaft bearing cap (Fig.1, 111 a, 111b) and the balancer shaft bearing 105a such that a portion of the balancer shaft bearing 105a is received in the opening 113a of the balancer shaft bearing cap (Fig.1, 111 a, 111b); and restricting the movement of the balancer shaft bearing 105a relative to the balancer shaft bearing cap upon engagement of the balancer shaft bearing 105a with one or more of the retaining elements 125 of the bearing retention clip 123a.

Adjustable strength shock absorber system for downhole ballistics

A downhole perforation system (110) includes a ballistic device (116) having an first end and a second end, the ballistic device (116) carrying an explosive material. The system (110) further includes a shock absorption device (120, 200) coupled to at least one of the first or second end of the ballistic device (116) and configured to absorb at least a portion of impact energy produced from detonation of the explosive material. The shock absorption device (120, 200) includes a shock absorption module (204, 300) which includes a viscoelastic body (302) and a rigid structure (304) molded within the viscoelastic body (302). The rigid structure (304) is configured to break or deform when impacted by a threshold amount of impact energy. Broken or deformed portions of the rigid structure (304) are contained within the viscoelastic body (302).

PROCEDURE AND DEVICE FOR THE ASSEMBLY OF A PILE OF BELLEVILLE FEATHERS/SPRINGS

HYDRAULICALLY ABSORBING FLEXIBLE CAMP

DEVICE TO THE INSTALLATION OF CONSTRUCTION UNITS AND FOR THE LIQUID FILLING OF LIQUID-SEALED OSCILLATION-ISOLATING CAMPS

Pressing element and induction hob comprising a pressing element

The invention relates to a pressing entity (1) for pressing an induction heating unit (10) against a hob plate, the pressing entity (1) comprising: − a spring element (2); − a coupling element (3), said coupling element (3) being adapted to detachably couple the pressing entity (1) with the induction heating unit (10); wherein the coupling element (3) comprises a spring coupling portion (3.1) adapted to receive the spring element (2), said spring coupling portion (3) being adapted to receive the spring element (2) such that a portion of the spring element (2) protrudes out of the coupling element (3).

FRICTION WEDGE WITH MECHANICAL BONDING MATRIX AUGMENTED COMPOSITION LINER MATERIAL

A friction wedge assembly for use in a suspension system of railroad car trucks. The friction wedge assembly (10) comprises a cast metal wedge (1) having a bolster engaging surface (2), a truck side frame engaging surface (4) and a surface (6) disposed between the bolster engaging surface and the truck side frame engaging surface for engaging a spring that provides the load on the friction wedge assembly. There is a metal bonding matrix (8) disposed on the truck side frame engaging surface of the wedge and a composition liner (12) having a first side engageable with the metal bonding matrix and a radially opposed second side for engaging a metal wear liner on a side frame of such railroad car truck.

SHOCK ABSORBERS FOR PROTECTIVE BODY GEAR

A shock absorber includes a bottom rim, a top wall comprising a raised central portion and a top rim, a side wall extending between the top and bottom rims, and a corrugation surrounding a periphery of the raised central portion that (i) connects the raised central portion to the top rim, (ii) descends to a depth below half a height of the side wall, and (iii) is separated by a distance from a surface. Impact forces imparted on the shock absorber are attenuated by a first amount in a first stage by resistive yielding of the side wall; by a second amount in a second stage by depression of the central portion and resistive yielding of the corrugation associated therewith; and by a third amount in a third stage by resistive yielding of the corrugation in response to a force applied to the top rim upon contact with the surface.

SHOCK ABSORBERS FOR PROTECTIVE BODY GEAR

A shock absorber includes a bottom rim, a top wall comprising a raised central portion and a top rim, a side wall extending between the top and bottom rims, and a corrugation surrounding a periphery of the raised central portion that (i) connects the raised central portion to the top rim, (ii) descends to a depth below half a height of the side wall, and (iii) is separated by a distance from a surface. Impact forces imparted on the shock absorber are attenuated by a first amount in a first stage by resistive yielding of the side wall; by a second amount in a second stage by depression of the central portion and resistive yielding of the corrugation associated therewith; and by a third amount in a third stage by resistive yielding of the corrugation in response to a force applied to the top rim upon contact with the surface.

CONTINUOUS HEATING DEVICE FOR COIL SPRINGS AND HEATING METHOD USING THE SAME DEVICE

The present invention relates to a continuous heating device for coil springs and a continuous heating method for coil springs using the same. The device may include: a pair of tapered rollers (20) configured to support and rotate the coil spring (10), configured to have a cross-sectional diameter that increases as it goes from the front end portion to the rear end portion, and configured to have rotational inner surfaces that are arranged to be parallel with each other while the central rotation axes thereof are not parallel with each other; a conveyor chain (43) configured to have a push rod (41) that is installed therein to move the coil spring (10); and a driving unit (60) configured to provide a rotational driving force to the pair of tapered rollers (20). The method may include: inputting and rotating a coil spring (10) by means of a pair of tapered rollers (20) such that the coil spring (10) does not pop out of the tapered rollers (20), the tapered rollers (20) having a cross-sectional ...

BEARING DAMPER WITH EXTERNAL SUPPORT SPRING SYSTEMS AND METHODS

One embodiment describes a bearing damper including a housing; a damper with an annular gap and an internal spring, in which the annular gap is formed between an inner rim and an outer rim of the damper, the internal spring circumferentially bounds the annular gap, the outer rim is coupled to the housing, and the annular gap is configured to be filled with fluid used to dampen vibrations produced on a drive shaft; and an external spring coupled to the housing and to the inner rim, in which the external includes an axial stiffness engineered to externally offset axial forces exerted on the inner rim of the and a radial stiffness engineered to externally offset a first portion of radial forces exerted on the inner rim and to permit a second portion of the radial forces to propagate the vibrations from the drive shaft to the inner rim.

Procédé et module d'assemblage d'un élément ressort plan, notamment pour l'horlogerie.

L'invention concerne un module d'assemblage (50) comprenant quatre éléments de retenue définissant chacun au moins une zone d'appui (54a), lesdits éléments de retenue présentant une première configuration dans laquelle les zones d'appui correspondantes sont écartées deux à deux d'une première distance et une deuxième configuration dans laquelle les zones d'appui correspondantes sont écartées deux à deux d'une deuxième distance plus faible que la première distance. Application au montage dans un support (32) d'un élément ressort plan (35), notamment une lyre, pour un dispositif anti-choc (30).

SPRING CARRIER

Piston for a piston-cylinder arrangement and production method

The invention relates to a piston (10) for a piston-cylinder arrangement, particularly a shock absorber piston, comprising: - a piston body (11), which has a circumferential surface (13); - a sealing collar (12), which has an outer circumferential surface (15), an inner circumferential surface (16), a first peripheral surface (17), and a first sealing lip (19), and which extends around the circumferential surface (13) of the piston body and covers at least part of the circumferential surface in the axial direction, wherein: - the first peripheral surface connects the two circumferential surfaces to each other at a first end of the sealing collar; the first sealing lip is delimited by the first peripheral surface and the outer circumferential surface; and the first sealing lip is configured evenly in the circumferential direction.

Furniture buffer and furniture hinge

SHOCK ABSORBERS FOR PROTECTIVE BODY GEAR

The end of the root of the non-equal- strengthening cross-section plate spring free tangent arc height design method

SUPPORT FOR SWING DAMPING DEVICE AND SWING DAMPING DEVICE INCLUDING THE SAME

Support (4) pour dispositif d'amortissement pendulaire (2), comprenant : - une première partie (7) apte à être reliée à un composant (1) d'un système de transmission de véhicule automobile, et - une deuxième partie (8) dans laquelle est ménagée au moins une première piste de roulement apte à coopérer avec un organe de roulement (21) pour guider le déplacement d'un corps pendulaire (5), la première partie (7) et la deuxième partie (8) étant rigidement reliées entre elles et la première partie (7) étant obtenue par découpage de la zone centrale de la deuxième partie (8).

Torsion shock absorber for car clutch has two friction washers made in single piece by moulding and separated from each other in assembly

Amortisseur de torsion pour un embrayage comprenant un ensemble de rondelles de frottement (50, 52) associées respectivement à un amortisseur principal et à un pré-amortisseur, les deux rondelles (50, 52) étant fabriquées d'une seule pièce par moulage et séparées l'une de l'autre au montage, l'une des rondelles (50) comprenant des moyens (58, 60) de retenue axiale et d'immobilisation en rotation d'une rondelle élastique associée (54). L'invention s'applique notamment aux embrayages des moteurs à combustion interne pour véhicules automobiles.

ARCHITECTURE INERTIA WHEEL FOR ENERGY STORAGE

METHOD OF MANUFACTURING A PLURALITY OF TYPES OF DIFFERENT ANTI-ROLL BAR BY THE TORSIONAL STIFFNESS OF BARS

L'invention porte sur un procédé de fabrication d'une pluralité de types de barre antiroulis différents par la raideur en torsion desdites barres, adaptés chacun à une variante ou version de véhicule automobile. Les barres anti-roulis des différents types sont toutes fabriquées à partir d'un élément tubulaire identique de section annulaire dit « élément standard » (10), par déformation locale de la section d'un tronçon (« T ») au moins de l'élément standard. Cette déformation permet d'obtenir une raideur en torsion prédéterminée de la barre anti-roulis, différente de la raideur en torsion de l'élément standard et différente d'un type de barre anti-roulis à l'autre, par conséquent adaptée aux contraintes mécaniques propres à la version du véhicule automobile sur lequel est montée la barre anti-roulis.

DAMPER, IN PARTICULAR FOR A CLUTCH OF A MOTOR VEHICLE

METHOD OF MAKING A SWING DAMPING DEVICE AND RESULTING DEVICE

PROCESS FOR MANUFACTURING A PART COMPRISING SEVERAL PIECES INTERCONNECTED

ASSEMBLY FOR A TORQUE TRANSMISSION DEVICE FOR A STRING OF MOTOR VEHICLE TRANSMISSION

L'invention concerne un ensemble pour un dispositif de transmission de couple de chaîne de transmission de véhicule automobile, ledit ensemble comportant : - un premier élément (1) destiné à être monté en rotation par rapport à un second élément autour d'un axe de rotation X, - une lame flexible (2) comportant une portion de montage (7) montée sur le premier élément (1), la lame flexible (2) portant une surface de came (10) destinée à coopérer avec le second élément afin de transmettre un couple entre le premier élément (1) et le second élément, dans lequel le premier élément comporte un premier organe de blocage (3) et un second organe de blocage (5) radialement décalés, la portion de montage (7) de la lame flexible (2) étant maintenue entre le premier organe de blocage (3) et le second organe de blocage (5).

DAMPING SYSTEM COMPRISING A PRIMARY DAMPER AND A SECONDARY DAMPER DEVICE DIFFERENT STIFFNESSES, STRUCTURE AND ASSOCIATED AIRCRAFT

FORE-AFT VIBRATION ISOLATOR

A vehicle seating system includes a top frame for mounting to a vehicle seat. The top frame has integral rails or channels with roller tracks at one end and vibration dampening systems at the other. An opposing pair of the roller tracks includes a vibratory dampening or regulation system that controls the amount of fore and aft travel of the top frame.

DOUBLE-ACTING HYDRAULIC CYLINDER WITH INTEGRATED GAS SPRING ACTION AND METHOD FOR MAKING THE SAME

The invention relates to a method for constructing a gas-filled double-acting hydraulic cylinder (1) with gas spring action, comprising: -a cylinder sleeve (3) with a cylinder bottom (3a) and cylinder head (3b) -a piston/piston rod assembly (5) a hydraulic fluid seal on the piston (9) -a connection for the head-side chamber (13) to a hydraulic line; -a connection for the bottom-side chamber (15) to a hydraulic line,- -a gland (20) with a bore, the gland being attached between the cylinder bottom (3a) and the piston (9), the piston rod (7) extending over the entire stroke of the piston rod through the bore, wherein the gland comprises two seals -(25), one for providing a seal with the cylinder sleeve (3) and one for providing a seal with the piston rod.

PISTON FOR A PISTON-CYLINDER ARRANGEMENT AND PRODUCTION METHOD

The invention relates to a piston (10) for a piston-cylinder arrangement, particularly a shock absorber piston, comprising: - a piston body (11), which has a circumferential surface (13); - a sealing collar (12), which has an outer circumferential surface (15), an inner circumferential surface (16), a first peripheral surface (17), and a first sealing lip (19), and which extends around the circumferential surface (13) of the piston body and covers at least part of the circumferential surface in the axial direction, wherein: - the first peripheral surface connects the two circumferential surfaces to each other at a first end of the sealing collar; the first sealing lip is delimited by the first peripheral surface and the outer circumferential surface; and the first sealing lip is configured evenly in the circumferential direction.

Vibration damper

A vibration damper, which can be utilized in a chassis of a vehicle, may comprise a damper tube and a working piston that is guided in a longitudinal axis over an inner side of the damper tube. The vibration damper may also include a reinforcing sleeve that is positioned on an outer side of the damper tube. A receptive fork for attachment to the chassis can be arranged on the reinforcing sleeve. The reinforcing sleeve may be delimited in a direction of the longitudinal axis by a peripheral edge. In a region of the peripheral edge, a sealing element enclosing the outer side of the damper tube may be accommodated in the reinforcing sleeve. The peripheral edge may have a plastically deformed reshaping section that engages around the sealing element.

Guide tube retainment feature during crimping of guide tubes

A method for making an air spring assembly, including the steps of providing a bellow, a support ring, and a guide tube. The support ring is positioned relative to a bellow adapter such that a portion of the bellow adapter extends through the support ring. The bellow is then positioned such that a portion of the bellow extends over the support ring and a portion of the bellow adapter. The guide tube is then positioned relative to the bellow and the support ring, such that a portion of the bellow extends into the guide tube and the guide tube is supported by the bellow adapter, and a portion of the guide tube is supported by a ridge support fixture. The first clamp and second clamp are then moved towards the guide tube, applying force to the guide tube, simultaneously forming a first crimp and a second crimp.

Friction wedge with mechanical bonding matrix augmented composition liner material

A friction wedge assembly for use in a suspension system of railroad car trucks. The friction wedge assembly comprises a cast metal wedge having a bolster engaging surface, a truck side frame engaging surface and a surface disposed between the bolster engaging surface and the truck side frame engaging surface for engaging a spring that provides the load on the friction wedge assembly. There is a metal bonding matrix disposed on the truck side frame engaging surface of the wedge and a composition liner having a first side engageable with the metal bonding matrix and a radially opposed second side for engaging a metal wear liner on a side frame of such railroad car truck.

Non-metallic orifice plate

An orifice plate includes a wear-resistant inner diameter surface, an outer diameter surface, a first side surface extending between the wear-resistant inner diameter surface and the outer diameter surface, and a second side surface extending between the wear-resistant inner diameter surface and the outer diameter surface, the second side surface disposed opposite the orifice plate from the first side surface. The orifice plate may comprise a body portion comprising a first material. The wear-resistant inner diameter surface may comprise a second, wear-resistant material.

Joining Elastic Material to Metal

A shock-absorbing or vibration-absorbing assembly includes a metal base and an elastic shock-absorbing or vibration-absorbing material secured to the metal base. A top surface of the metal base has at least one orifice extending from the top surface to at least one hollow chamber beneath the top surface. The hollow chamber occupies a planar area of the metal base parallel to the top surface that is larger than a planar area of the metal base that is occupied by the orifice at the top surface. The elastic material is secured to the metal base by the elastic material filling the orifice and the hollow chamber of the metal base and the elastic material filling a region above the top surface of the metal base that has a cross-sectional area parallel to the top surface of the metal base that is larger than the planar area of the metal base that is occupied by the orifice at the top surface of the metal base. The elastic material is secured to the metal base by placing the metal base against ...

AIR SPRING HAVING COMPOSITE PARTS

An air spring having at least one composite part is provided. The air spring will have a top plate, a flexible sleeve, and a clamp ring coupled together by an injection molded collar. The injection molded collar will be formed to hold the top plate, flexible sleeve, and clamp ring in compression to form an air tight seal. In certain aspects, the top plate and/or the clamp ring may be formed from composites or metals.

DOUBLE-ACTING HYDRAULIC CYLINDER WITH INTEGRATED GAS SPRING ACTION AND METHOD FOR MAKING THE SAME

DEVICE FOR DAMPING TORSIONAL OSCILLATIONS IN A VEHICLE TRANSMISSION SYSTEM

Dispositif (30) d'amortissement d'oscillations de torsion pour système de transmission (1) de véhicule, le dispositif comprenant : - un support (31) apte à se déplacer en rotation autour d'un axe (X), et - une pluralité de corps pendulaire (32), le support (31) comprenant au moins un passage (55) apte à coopérer avec un système de fixation (60) sur un élément (18) du système de transmission (1), ledit passage (55) étant situé angulairement entre deux corps pendulaires (32) angulairement voisins, au moins lorsque le dispositif (30) est au repos.

UNBALANCED SHAFT AND METHOD FOR PRODUCING SAME

Устройство и способ поглощения энергии

Изобретение относится к области гашения энергии соударения, в частности к способам гашения энергии, к устройствам, реализующим способ гашения энергии и к сцепкам железнодорожных транспортных средств, в которых применено такое устройство. Способ гашения энергии соударения состоит в необратимой деформации жертвенного элемента. В качестве жертвенного элемента выступает болт, выполненный способом холодного формования. Сужающаяся часть болта размещается в кольце, выполненном из твердого материала. При превышении заданного уровня нагрузки диаметр широкой части болта уменьшается, поглощая энергию соударения. Достигается уменьшение размеров поглощающего устройства. 3 н. и 16 з.п. ф-лы, 7 ил., 1 пр.

ТРУБЧАТАЯ ПРУЖИНА ДЛЯ ТРАНСПОРТНЫХ СРЕДСТВ И СПОСОБ ИЗГОТОВЛЕНИЯ ТРУБЧАТОЙ ПРУЖИНЫ

Группа изобретений относится к области машиностроения. Трубчатая пружина выполнена в виде винтовой пружины, торсионной пружины и/или стабилизатора для безрельсовых транспортных средств. Трубчатая пружина включает металлический трубчатый элемент с внутренним поперечным сечением трубы, внутренним диаметром (DI) трубы, наружным диаметром (DA) трубы, внутренней стенкой (7) трубы и толщиной (W) стенки трубы. Во внутреннем поперечном сечении трубы металлического трубчатого элемента трубчатой пружины расположен вспененный материал (8) с металлической составляющей. Металлический трубчатый элемент содержит мартенситную структуру. Металлический трубчатый элемент подвергнут пластическому формообразованию с образованием выполненной не полностью прямолинейно трубчатой пружины. Способ раскрывает этапы выполнения трубчатой пружины. Применяют трубчатую пружину в ходовых частях транспортных средств. Достигается повышение эксплуатационных характеристик. 3 н. и 9 з.п. ф-лы, 3 ил.

КОНСТРУКЦИЯ ИНЕРЦИОННОГО КОЛЕСА ДЛЯ НАКОПЛЕНИЯ ЭНЕРГИИ

... 1. Инерционное колесо, содержащее накопительное кольцо (1) и ступицу (2), соединяющую накопительное кольцо (1) с валом (3) вращения колеса, отличающееся тем, что ступица (2), содержащая центральную часть, образующую тело (2а) ступицы для соединения с валом (3), периферическую часть, образующую обод (2с) соединения с накопительным кольцом, и промежуточную часть, представляющую собой диск (2b) между телом (2а) ступицы и ободом, выполнена из композиционного материала и имеет модуль жесткости, уменьшающийся от тела ступицы к ободу.2. Инерционное колесо по п. 1, отличающееся тем, что ступица (2) выполнена посредством драпировки и формования композитных слоев (4).3. Инерционное колесо по п. 2, отличающееся тем, что драпировка образует рисунок, содержащий среднее число наложенных друг на друга слоев, уменьшающееся от тела ступицы к периферической части обода.4. Инерционное колесо по п. 2, отличающееся тем, что драпировка содержит последовательность слоев (4а, 4b, 4с, 4d), смещенных в угловом направлении ...

УЗЕЛ ПНЕВМАТИЧЕСКОЙ ПРУЖИНЫ И ГАЗОНАПОЛНЕННОГО АМОРТИЗАТОРА И СПОСОБ ЕГО СБОРКИ (ВАРИАНТЫ)

... 1. Узел пневматической пружины и газонаполненного амортизатора, включающий в себя узел пневматической пружины, содержащий:первую стеночную часть,вторую стеночную часть, расположенную на расстоянии от первой стеночной части таким образом, что между ними образована продольная ось, ипервую гибкую стеночную секцию, проходящую по периферии вокруг указанной оси и функционально соединенную между первой и второй стеночными частями таким образом, что между ними по меньшей мере частично образована первая камера, и узел газонаполненного амортизатора, содержащий:третью стеночную часть, расположенную на расстоянии в продольном направлении от первой стеночной части узла пневматической пружины,вторую гибкую стеночную секцию, проходящую по периферии вокруг указанной оси и функционально соединенную между второй стеночной частью и третьей стеночной частью таким образом, что между ними по меньшей мере частично образована вторая камера,четвертую стеночную часть, имеющую противолежащие первую и вторую стороны ...

Adapterstück zur kraftschlüssigen Verbindung eines Dämpferrohrs und eines Luftfederkolbens, Luftfederdämpfersystem und Verfahren zur Herstellung eines Luftfederdämpfersystems

Adapterstück (1) zur kraftschlüssigen Verbindung eines Dämpferrohrs (10) und eines Luftfederkolbens (20), wobei das Adapterstück (1) einen Federbereich (2) umfasst, wobei der Federbereich (2) Teilbereiche (2') aufweist, wobei die Teilbereiche (2') durch eine Normalkraft, die radial in Richtung eines Zentrums des Adapterstücks (1) wirkt, zusammendrückbar sind, dadurch gekennzeichnet, dass die Teilbereiche (2') als Druckpads ausgebildet sind.

Feder

Feder, insbesondere Schraubenfeder (1), dadurch gekennzeichnet, dass die Feder zumindest ein konstruktives Merkmal aufweist, das mittels eines generativen Fertigungsverfahrens realisierbar ist.

Drehmomentübertragungseinrichtung mit Fliehkraftpendel

Die Erfindung betrifft eine um eine Drehachse zwischen einer Brennkraftmaschine und einem Getriebe eines Kraftfahrzeugs angeordnete Drehmomentübertragungseinrichtung mit einem an einem Scheibenteil aufgenommenen Fliehkraftpendel enthaltend ein Flanschteil und mehreren, über den Umfang verteilt an diesem begrenzt verschwenkbar aufgenommenen Pendelmassen. Um eine platzsparende und einfache Anbindung an das Scheibenteil zu erzielen, ist das Flanschteil radial zumindest einen Teil der Pendelmassen übergreifend mittels eines axial erweiterten Ansatzes mit einem Außenumfangsbereich des an seinem Innenumfang gelagerten Scheibenteils drehfest verbunden.

Fliehkraftpendel

Es ist ein Fliehkraftpendel (10) zur Dämpfung von über eine Antriebswelle (12) eines Kraftfahrzeugmotors eingeleiteten Drehungleichförmigkeiten vorgesehen mit einem um eine Drehachse (16) drehbaren Trägerflansch (14), einer relativ zu dem Trägerflansch (14) pendelbar an dem Trägerflansch (14) geführten Pendelmasse (22) zur Erzeugung eines der Drehungleichförmigkeit entgegen gerichteten Rückstellmoments und einem radial innerhalb zu der Pendelmasse (22) mit dem Trägerflansch (14) verbundenes Stützblech (26), wobei das Stützblech (26) den Trägerflansch (14) radial außen übergreift und das Stützblech (26) mit einer Anpresskraft zum Verspannen des Trägerflanschs (14) an dem Trägerflansch (14) anliegt. Durch das mit Hilfe des Stützblechs (26) verspannte radial äußere Ende des Trägerflanschs (14) können Axialschwingungen des Fliehkraftpendels (10) vermieden werden, so dass ein Antriebsstrang eines Kraftfahrzeugs mit geringen Schwingungen ermöglicht ist.

Verfahren zur Fertigung eines Düsenkolbens, Produktionsverfahren für einen Dämpfer, Düsenkolben, Dämpfer, Produktionsanlage zur Produktion eines Dämpfers

Die Erfindung betrifft ein Verfahren (200) zur Fertigung eines Düsenkolbens (19) zur Anordnung in einem ein Dämpfungsfluid enthaltenden Dämpfungsraum eines Dämpfers (100), wobei der Kolben (19) den Dämpfungsraum (110) in eine erste Fluidkammer (111) und eine zweite Fluidkammer (112) unterteilt. Das Verfahren (200) umfasst zumindest folgende Schritte: Herstellen (210) eines Kolbenrohlings (18) und Einbringen (220) zumindest einer Ausnehmung (20) in den Kolbenrohling (18) durch Ultrakurzpulslasern, wobei die Ausnehmung (20) bei Anordnung des Düsenkolbens (19) in dem Dämpfungsraum eine Düse für das Dämpfungsfluid zur Anpassung des Strömungswiderstandes für das Dämpfungsfluid zwischen der ersten Fluidkammer (111) und der zweiten Fluidkammer (112) definiert. Die Erfindung betrifft ferner ein Produktionsverfahren mit dem erfindungsgemäßen Verfahren für einen Dämpfer.Die Erfindung betrifft weiterhin einen Düsenkolben (19) zur Anordnung in einem ein Dämpfungsfluid enthaltenden Dämpfungsraum eines ...

Verfahren zur Herstellung eines Lagers sowie ein Lager nach diesem Verfahren

Dämpfungsvorrichtung für längsverschiebbare und umklappbare Mittelarmlehnen

Dämpfungsvorrichtung (40) für längsverschiebbare und umklappbare Mittelarmlehnen (48) über Mittelkonsolen (44) für Kraftfahrzeuge, mit – einem elastischen Dämpfungselement (1) zur Dämpfung von Stößen der Mittelarmlehne (48) (S. 3, Abs. 3) mit einer Öffnung (2) und – einem separat von dem Dämpfungselement (1) gebildeten (S. 3, Abs. 1) Gleitelement (10), mit – einem Einsteckteil (14) zum Einstecken in die Öffnung (2) des Dämpfungselements (1), und – einem das Dämpfungselement (1) im eingesteckten Zustand abdeckendes Deckteil (12), wobei das Gleitelement (10), reibungsverursachende Flächen von Mittelarmlehne (48) oder Mittelkonsole (44) von dem Dämpfungselement (1) trennt (S. 3, Abs. 4, S. 4, Abs 1).

Lagerbuchse sowie schwingungsdämpfende Verbindungsanordnung

Die Erfindung betrifft eine Lagerbuchse (9) sowie eine Verbindungsanordnung zur schwingungsdämpfenden Verbindung zweier Bauteile, insbesondere eines Fahrzeugrahmens oder Fahrzeugaufbaus mit einem Lenkgetriebe. Die Lagerbuchse (9) umfasst ein inneres Lagerelement (11), welches eine sich zwischen seinen Enden (13, 14) in eine Längsrichtung (x) erstreckende Aufnahmeöffnung (12) besitzt. Das innere Lagerelement (11) ist zumindest teilweise von einem elastischen Stützkörper (15) umfangsseitig umgriffen. Erfindungsgemäß ist Innengewinde (27) vorgesehen, welches wenigstens abschnittsweise innerhalb der Aufnahmeöffnung (12) angeordnet ist. Eines der Enden (14) des inneren Lagerelements (11) weist eine stirnseitige Auflagefläche (17) auf, wobei der elastische Stützkörper (15) zumindest bereichsweise unter Ausbildung mindestens einer parallel zur Längsrichtung (x) ausgerichteten Erhöhung (31) gegenüber der Auflagefläche (17) vorspringt, wobei das die Auflagefläche (17) aufweisende Ende (14) des inneren ...

VERFAHREN ZUR HERSTELLUNG EINER PENDELDÄMPFUNGSVORRICHTUNG UND MIT DIESEM VERFAHREN ERHALTENE VORRICHTUNG

Pendeldämpfungsvorrichtung (1, 11) vom Typ mit mindestens einer Pendelmasse (2, 20), die beweglich an einem Halter (4) angebracht ist, wobei die Pendelmasse (2, 20) aus zwei Pendelgewichten (3, 17) gebildet ist, die auf der einen und auf der anderen Seite des Halters (4) angeordnet und zwischen zwei Innenflächen (5) durch mindestens einen Steg (6) verbunden sind, der mit mindestens einem Niet (23) befestigt ist und einen Schlitz (10) des Halters (4) durchquert, wobei zwischen dem Halter (4) und der Pendelmasse (2, 20) eine Rolle angeordnet ist, dadurch gekennzeichnet, dass der Niet (23) zwei Schließköpfe (25) aufweist.

Method of locating a balancer shaft bearing

PROCEDURE FOR THE PRODUCTION OF A PISTON

Spring carrier

The invention relates to a spring carrier (100, 200) for use in plant construction to resiliently support a load, said spring carrier (100, 200) comprising a casing tube (1) designed as a hollow cylinder, the cylinder axis of which extends in a longitudinal direction and the inner surface of which surrounds an inner cross-section of the tube, the spring carrier (6) further comprising a spring plate (4), a base plate (3) and a spring (5) which, in an operational position, are placed inside the casing tube (1) and, in the longitudinal direction, between an upper boundary element and a lower boundary element; the spring (5) is located between the base plate (3) and the spring plate (4) in the longitudinal direction and applies a spring force, which acts parallel to the longitudinal direction, to the spring plate (4) and the base plate (3); the spring plate (4) is connected to a support element (6) for resiliently supporting a component and can move in the longitudinal direction within a movement ...

PROCESS FOR THE MANUFACTURE OF A TORSION VIBRATION DAMPER

A process for the manufacture of a torsion vibration damper is disclosed wherein a fly ring and a hub ring (1, 2) are produced and relatively rotatably connected b y subsequent insertion of a rubber ring (3). The fly and hub rings (1, 2) are manufactured as a single part with a nominal fracture line (4) at the region of transition between the rings. The single part is separated into the individual r ings along the nominal fracture line (4) before of after the insertion of the rubber ring (3) and without removal of material. This process is more cost efficient and the sin gle part can be easier handled and shipped at lower costs than individual rings.

The end of the variable cross section of the non-equal-constructs few sheet panel reed pre- clamping stress matching design method

ENERGY ABSORPTION DEVICE AND METHOD

INERTIA WHEEL ARCHITECTURE FOR STORING

TORQUE TRANSMISSION DEVICE FOR A MOTOR VEHICLE

The invention relates to a torque transmission device, comprising a torque input element (1) and a torque output element (14) both capable of rotating one relative to the other, and elastic members (12) mounted between the torque input and output elements (1, 14), the torque output element (14) comprising an annular web (22), the elastic members (12) being mounted between the annular web (22) and the torque input element (1), characterized in that it comprises at least one housing (26, 27) fixed to the annular web (22) and at least one pendular mass (32) mounted in the housing (26, 27) and such that it is able to move with respect to the annular web (22). Each mass (32) comprises at least one oblong hole (36) in which is mounted a spacer piece (38) that is fixed relative to the housing (26, 27) and relative to the annular web (22), and a rolling member (41) able to roll along the spacer piece (38) and along the edge (37a) of the oblong hole (36).

Spring forming machine having tool rotation and tool retraction capabilities

A spring forming machine having tool rotation and tool retraction capabilities, that includes: a rotary beak seat mechanism and a dual-transmission core rotation separation mechanism. The rotary beak seat mechanism is installed on a transmission mechanism of an outside machine panel board through a panel board bearing. The rotary beak seat mechanism includes a rotation component, that rotates 360 degrees around a central axis of the panel board bearing. On a front end of the rotation component is disposed a slide seat component coaxially. The dual-transmission core rotation separation mechanism includes: a first substrate, in a center of a front plate surface of the first substrate is disposed the rotary beak seat mechanism, on a back plate surface of the first substrate is disposed an axle core positioning mechanism, an inner circle core rotation transmission mechanism, and an outer circle tool rotation transmission mechanism.

Gas spring assembly and method of assembling same

A gas spring assembly includes an end member, a piston assembly and a flexible sleeve secured therebetween. An end closure secures an end of the flexible sleeve to the piston assembly. A connector fitting connects the end closure to a support post of the piston assembly. The connector fitting includes a fitting passage and a first annular groove. A jounce bumper assembly is supported on the connector fitting. The jounce bumper assembly includes a bumper body and a bumper mount. The bumper mount includes securement pin having a second annular groove. A retaining member is received within the first and second annular grooves such that the jounce bumper assembly can freely rotate relative to the connector fitting while substantially restricting axial displacement of the jounce bumper assembly relative to the piston assembly during such rotation.

A DAMPER UNIT, A DAMPER ASSEMBLY, AND A METHOD FOR MAKING A DAMPER UNIT

A damper unit for use in a vibration-reducing assembly for a steering wheel is disclosed. The damper unit includes a slider configured, upon horn activation, to slide on a guide shaft. A damper element made from an elastomeric material is arranged on a first part of the slider. A molded horn spring element is molded directly on a second part of the slider and is configured to exert a spring force on the slider. The damper unit provides a unitary structure providing both a vibration damping function and a horn spring function in one single assembly unit, reducing the number of components to assemble. A vibration-reducing damper assembly including one or more such damper units is also disclosed, as well as a method of making such a damper unit.

UNBALANCED SHAFT AND METHOD FOR PRODUCING SAME

An unbalanced shaft for compensating for inertial forces and/or mass moments of inertia of an internal combustion engine (1), having an unbalanced portion (8), the center of mass of which extends eccentric to the axis of rotation (11) of the unbalanced shaft (6) for generating the shaft imbalance (7), a bearing portion (9) adjacent to the unbalanced portion, and a bearing race (10) joined thereto, the outer surface (13) of which serves as a race for the rolling elements of a roller bearing rotationally supporting the unbalanced shaft, and the inner surface (12) of which retracts radially relative to the outer circumscribed circle (14) of the unbalanced portion in a bearing circumference region running in the direction of the imbalance. In order to assemble the bearing race on the bearing portion, the following geometric relationships are provided: (i) d2>d1, (ii) e>½(d2d1), (iii) e<½(d2+d1), where d1=outer circumscribed circle diameter of the unbalanced portion and the bearing portion, ...

Mass-optimized force attenuation system and method

A force-attenuating system that is interposed between an exterior surface and an interior surface, either or both of which may be subjected to percussive forces. The system has a ceiling that is positioned proximate the exterior surface and one or more inverted hat-shaped force-attenuating units with sidewalls extending inwardly convergingly away from the ceiling. Some of the units have a floor that is positioned proximate the interior surface. Optionally the force-attenuating units may be configured as clover-leaf structures with a central region and hemi-pear-shaped lobes extending therefrom. Within the lobes is a floor that is positioned proximate the interior surface. The force-attenuating system may be deployed in an automotive or non-automotive environment.

ANTI-VIBRATION CLAMP

An anti-vibration clamp for holding pipes includes a pipe holding component which further includes pipe holders for locking the pipes; a clamp body including a stud locking portion for locking to a stud, and a floating attachment portion for holding the pipe holding component; and an elastic connecting component made of soft resin placed between the pipe holding component and the clamp body so that the pipe holding component and the clamp body do not contact one another directly. The pipe holding component, the elastic connecting component and the clamp body are held so that it is difficult for them to each slip mutually. 1. An anti-vibration clamp for securing a pipe on a mounting stud , the anti-vibration clamp comprising:a pipe holding component made of hard resin, the pipe holding component including a pipe holder for holding the pipe;a stud locking portion attachable to the stud;a clamp body made of hard resin, the clamp body including a floating attachment portion for holding the pipe holding component; andan elastic connecting component made of soft resin and located between the pipe holding component and the clamp body.2. An anti-vibration clamp in accordance with claim 1 , wherein:the pipe holding component further includes a holding rib which projects at a first end of the pipe holding component;the elastic connecting component includes a holding rib containing portion located at a first end of the elastic connecting component and which contains the holding rib;the clamp body partially defines a holding rib insertion aperture at a first end of the floating attachment portion and the holding rib containing portion enters the holding rib insertion aperture; andthe holding rib is contained in the holding rib insertion aperture through the holding rib containing portion, and the holding rib of the pipe holding component is held so that it does not contact the clamp body.3. An anti-vibration clamp in accordance with claim 2 , wherein:the pipe holding component ...

WIRED MATERIAL FOR CANTED COIL SPRING, CANTED COIL SPRING, AND MANUFACTURING METHODS THEREFOR

A wire material for a canted coil spring 1 includes a core wire 10 made of steel with a pearlite structure and a plating layer 20 covering a surface 11 of the core wire 10 and made of copper or a copper alloy. The steel constituting the core wire 10 contains 0.5% to 1.0% by mass of carbon, 0.1% to 2.5% by mass of silicon, and 0.3% to 0.9% by mass of manganese, with the balance being iron and unavoidable impurities.

Damper unit, a damper assembly, methods of making a damper unit and a damper assembly

A damper unit for use in a vibration-reducing assembly for a steering wheel is disclosed. An elastomeric damper element is molded on an inner sleeve and includes a plurality of elastomeric ribs forming a radially outer engagement surface, and a plurality of elastomeric support studs, which are mutually spaced in a circumferential direction are flexible in all directions transverse to said axis. Methods for making a damper unit and a damper assembly are also disclosed.

車両用サスペンション装置及び車両用サスペンション装置の組立方法

КОНЦЕВОЙ ЭЛЕМЕНТ УЗЛА ГАЗОВОЙ ПРУЖИНЫ И СПОСОБ ЕГО СБОРКИ

Группа изобретений относится к машиностроению. Концевой элемент содержит стенку, образованную из тонкостенного металла, и деталь крепления, выполненную с возможностью зацепления с соответствующим внешним компонентом. Первый участок стенки содержит плоскую поверхность, определяющую первую плоскость концевого элемента. Второй участок стенки расположен радиально снаружи от первого участка. Третий участок стенки расположен радиально внутри первого участка и содержит плоскую поверхность со впадиной, определяющую вторую плоскость концевого элемента. Узел газовой пружины содержит гибкую стенку, первый концевой элемент и второй концевой элемент, содержащий указанную выше стенку. Способ сборки узла газовой пружины включает в себя следующие операции: соединение первого концевого элемента с гибкой стенкой и соединение второго концевого элемента, содержащего указанную выше стенку, с гибкой стенкой. Достигается снижение веса и упрощение процесса сборки пружины. 3 н. и 31 з.п. ф-лы, 10 ил.

НАГРУЖАЕМЫЙ НА СКРУЧИВАНИЕ СТЕРЖНЕВОЙ ЭЛЕМЕНТ С РАЗЛИЧНЫМИ УСИЛИВАЮЩИМИ ВОЛОКНАМИ ДЛЯ РАСТЯГИВАЮЩЕЙ И СЖИМАЮЩЕЙ НАГРУЗОК

СПОСОБ ПОЛУЧЕНИЯ ПРУЖИНЫ И ПРУЖИНА

Группа изобретений относится к области машиностроения. Способ получения пружины предусматривает стадии нагружения пружины, измерения напряжения пружины под нагрузкой и снятия нагрузки, приложенной к пружине. Измерение напряжения пружины осуществляется путем измерения напряжения на поверхности рабочей части пружины с использованием рентгенодифракции методом cos α. Пружину получают предложенным выше способом. Достигается получение пружины с подтвержденным распределением напряжения под нагрузкой и обеспечение устойчивого заведения пружины, спроектированной с уменьшением веса. 2 н. и 3 з.п. ф-лы, 8 ил., 1 табл.

Amorphes Metallband und Verfahren zum Herstellen eines amorphen Metallbands

In einem Ausführungsbeispiel wird ein Verfahren zur Herstellung eines Metallbands bereitgestellt, wobei ein amorphes Metallband mit einer ersten Hauptoberfläche und einer zweiten gegenüberliegenden Hauptoberfläche bereitgestellt wird und die erste und/oder die zweite Hauptoberfläche mit einem nasschemischen Ätzverfahren und/oder einem photochemisches Ätzverfahren behandelt wird.

Energieabsorbierende Struktur und Verfahren zur Herstellung einer energieabsorbierenden Struktur

Die Erfindung betrifft Energieabsorbierende Struktur (5), insbesondere eine Karosserie oder ein Teil einer Karosserie, wobei die Struktur (5) ausgestaltet ist, bei Überschreiten einer mechanischen Belastungsgrenze der Struktur (5), insbesondere durch einen Aufprall oder eine Stoßbelastung, sich gemäß einem vorbestimmten Deformationsablauf der Struktur (5) plastisch zu verformen und dabei Energie aufzunehmen, wobei die Struktur (5) Imperfektionen aufweist, welche ausgebildet sind, den vorbestimmten Deformationsablauf der Struktur (5) nach einem Überschreiten der Belastungsgrenze der Struktur (5) zu begünstigen, wobei die Struktur (5) vollständig oder zumindest bereichsweise aus einem Werkstoff besteht, der weiche Zonen (2) und feste Zonen (3) aufweist, wobei die genannten Imperfektionen die weichen Zonen (2) des Werkstoffs und/oder die festen Zonen (3) des Werkstoffs sind. Die Erfindung betrifft außerdem ein entsprechendes Herstellungsverfahren für eine derartige Struktur (5).

Drehschwingungsdämpfer

Fliehkraftpendel

Zusammenstreckbares Lager

Ein Lager, umfassend ein Gehäuse (4), welches einen relativ zum Gehäuse (4) beweglichen Kern (2) zumindest teilweise umgibt, und Mittel (5, 6), die den Kern (2) im Gehäuse (4) positionieren, ist im Hinblick auf die Aufgabe, ein Lager anzugeben, welches bei problemloser und kostengünstiger Fertigung eine hohe Betriebstauglichkeit gewährleistet, dadurch gekennzeichnet, dass die Mittel (5, 6) dem Gehäuse zugeordnete erste Elemente (6) umfassen, die mit dem Kern (2) zugeordneten zweiten Elementen (5) in Eingriff bringbar sind.

Methode zum Herstellen einer Zwischenplatte von einem hydroelastischen Lager und Zwischenplatte dadurch hergestellt

Luftfederrollbalg mit Stützbalg

Luftfederrollbalg (1) aus elastomerem Material, welcher bereichsweise von einem äußeren Stützbalg (2) umgegeben ist, wobei der Stützbalg (2) zumindest teilweise mit dem Luftfederrollbalg (3) zusammenvulkanisiert ist.

Method of making a bearing structure and bearing so made

PLUG TOGETHER-CASH CAMP

Vakuum-Füllverfahren sowie Vakuum-Füllvorrichtung

Die Erfindung betrifft ein Vakuum-Füllverfahren und eine Vakuum-Füllvorrichtung (1). Das Vakuum-Füllverfahren umfasst die Verfahrensschritte Bereitstellen einer Vakuum-Füllvorrichtung (1), Bereitstellen eines Gehäuses (3) mit einem Gehäuseinnenraum (7) und einer den Gehäuseinnenraum (7) mit einer Gehäuseaußenseite (11) verbindenden Einlassöffnung (10), Beaufschlagen des Gehäuseinnenraums (7) mit einem Gehäuseinnenraumdruck (14) zwischen 0 mbar und 950 mbar, ins- besondere zwischen 10-12 mbar und 300 mbar, bevorzugt zwischen 10 mbar und 100 mbar mittels der Vakuum-Füllvorrichtung (1), Befüllen des Gehäuseinnenraums (7) über die Einlassöffnung (10) mit einem fluiden Medium (8) mittels der Vakuum-Füllvorrichtung (1).

VIBRATION SAFETY DIVICE

ENERGY ABSORBING SYSTEMS

The present disclosure relates to flexible energy absorbing systems and body armour, helmets and protective garments incorporating flexible energy absorbing systems. A flexible energy absorbing system may comprise a first plurality of cells having a first re-entrant geometry and a second plurality of cells having a second, different geometry. The first plurality of cells and the second plurality of cells may comprise an elastomeric material.

COMPOSITE SUSPENSION COMPONENTS

Composite suspension components are disclosed. The components are made from resin containing elongated fibers (8). The arms of the suspension components may receive reinforcement (40) using different devices and methods. A composite torque rod also incorporates a tunable compliance feature.

COMPOSITE SUSPENSION COMPONENTS

Composite suspension components are disclosed. The components are made from resin containing elongated fibers (8). The arms of the suspension components may receive reinforcement (40) using different devices and methods. A composite torque rod also incorporates a tunable compliance feature.

FORE-AFT VIBRATION ISOLATOR

A vehicle seating system includes a top frame for mounting to a vehicle seat. The top frame has integral rails or channels with roller tracks at one end and vibration dampening systems at the other. An opposing pair of the roller tracks includes a vibratory dampening or regulation system that controls the amount of fore and aft travel of the top frame.

Stainless steel spring, and stainless-steel-spring production method

Anti-corrosion buffering rubber pad and processing process of same

SUPPORT FOR SWING DAMPING DEVICE AND SWING DAMPING DEVICE INCLUDING THE SAME

ANTIVIBRATORY DEVICE.

Interdigitated Cellular Cushioning

An interdigitated cellular cushioning system includes an array of void cells protruding from each of two binding layers interdigitated between the two binding layers. Peaks of each of the void cells are attached to the opposite binding layer forming the interdigitated cellular cushioning system. The interdigitated cellular cushioning system may be used to absorb and distribute a source of kinetic energy incident on the interdigitated cellular cushioning system (e.g., an impact or explosion) so that the amount of force transmitted through the interdigitated cellular cushioning system is low enough that it does not cause injury to personnel or damage to personnel and/or equipment adjacent the interdigitated cellular cushioning system.

Torque fluctuation absorbing apparatus

A torque fluctuation absorbing apparatus that includes a first assembly that absorbs a fluctuating torque generated between a first rotating shaft and a second rotating shaft that are arranged coaxially, a first end of the first assembly being connected to the first rotating shaft from the second rotating shaft side by a first connecting member, a second assembly that absorbs a fluctuating torque generated between the first rotating shaft and the second rotating shaft, the second assembly being disposed more toward the second rotating shaft side than the first connecting member and a second end thereof being connected to the second rotating shaft, and a second connecting member that connects a second end of the first assembly to a first end of the second assembly.

Liquid-sealed anti-vibration device and method for manufacturing the same

A liquid-sealed anti-vibration device comprising: an inner tube ( 1 ), an outer tube ( 2 ); rubber bodies ( 3 ), ( 4 ) interconnecting the inner and outer tubes ( 1 ), ( 2 ) in a liquid-tight manner at two positions spaced in an axial direction; a partition wall disposed between the rubber bodies ( 3 ), ( 4 ) to divide a space between the inner and outer tubes into two parts in the axial direction, the partition wall having an annular rigid member ( 5 a ) and an elastic member ( 5 b ); liquid chambers ( 8 ), ( 9 ) configured in such a way that the spaces partitioned by the partition wall ( 5 ) are filled with non-compressible liquid; and a limiting passage ( 7 ) provided in the partition wall ( 5 ) to allow the liquid chambers ( 8 ), ( 9 ) to communicate with each other, wherein the annular rigid member ( 5 a ), protrudes from the inner tube ( 1 ) toward the outer tube, the elastic member ( 5 b ) connects the annular rigid member ( 5 a ) to the outer tube ( 2 ), and the limiting passage ( 7 ) is formed by at least one passage groove ( 5 c ), the passage groove being formed on the outer circumferential surface of the annular rigid member ( 5 a ) and extending at least one time around the annular rigid member, and by a circumscribed rigid tube member ( 6 ) fixed to the elastic member ( 5 b ) so as to close opening of the passage groove ( 5 c ) via a seal member ( 5 d ) in a liquid-tight manner.

Damper, washing machine and washing/drying machine

A damper which uses a magnetic viscous fluid, includes a cylinder, a bobbin which is housed in the cylinder and on which a coil generating a magnetic field is wound, a yoke which is housed in the cylinder and provided on an end of the bobbin, and a shaft which is inserted into the cylinder so as to extend through the bobbin and the yoke and so as to be axially reciprocable relative to the bobbin and the yoke. The magnetic viscous fluid fills a space defined between the bobbin and the yoke in the cylinder. The coil, the bobbin and the yoke are fixed together by a resin.

Shaft Such as a Camshaft for Internal Combustion Engines

A shaft, such as a camshaft for use in the internal combustion engine of a motor vehicle, in which the shaft includes a basic shaft body, a plurality of functional bodies, such as cams, mounted in axially spaced positions on the basic shaft body, and at least one balancing element mounted on the basic shaft body, in which the at least one balancing element is produced separately from the basic shaft body and from the functional bodies, and the functional bodies and the at least one balancing element are subsequently mounted on said basic shaft body, for example, by axial press fitting.

Undular washer

The invention relates to a wave spring ( 2 ) which comprises a spring strip ( 4 ) which is coiled in a substantially circular-ring-shaped manner and, over the circumference, describes a wavy line which oscillates about a radial reference plane and has wave crests ( 6 ) and wave troughs. The ends of the circular-ring-shaped spring strip ( 4 ) are connected by means of a weld seam ( 10 ) which is arranged in a low-tension region of the wavy line of the spring strip ( 4 ) between a wave crest ( 6 ) and an adjacent wave trough ( 8 ).

DAMPENER FOR ISOLATED VIBRATION ISSUES

A system for dampening vibrations in a vehicle is provided. The system includes a first heat exchanger core having a first plurality of fins, and a second heat exchanger core having a second plurality of fins. A vibration dampener is connected to the first and second heat exchanger cores. The vibration dampener extends through the first plurality of fins and through the second plurality of fins, while spanning the gap between the first and second heat exchanger cores. To accommodate the vibration dampener passing thorough the fins, the fins may be formed to define an enlarged aperture at a location where the vibration dampener passes through. 1. A system for dampening vibrations in a vehicle , the system comprising:a first heat exchanger core;a second heat exchanger core spaced from the first heat exchanger core to define a gap therebetween; and (i) mounted to the first heat exchanger core,', '(ii) mounted to the second heat exchanger core, and', '(iii) extending through the first and second heat exchanger cores and spanning the gap therebetween., 'a vibration dampener configured to dampen vibration in at least one of the heat exchanger cores, the vibration dampener'}2. The system of claim 1 , wherein the vibration dampener is held in tension between the first and second heat exchanger cores.3. The system of claim 2 , wherein the vibration dampener includes a rubber body.4. The system of claim 1 , wherein the first heat exchanger core includes a first plurality of fins claim 1 , the second heat exchanger core includes a second plurality of fins claim 1 , and the vibration dampener extends between at least two of the first plurality of fins and at least two of the second plurality of fins.5. The system of claim 4 , wherein the at least two of the first plurality of fins are formed to define a first rounded aperture claim 4 , at the least two of the second plurality of fins are formed to define a second rounded aperture claim 4 , and the vibration dampener extends ...

AXIALLY DAMPED HYDRAULIC MOUNT ASSEMBLY

An example mount assembly includes an upper mount and a lower mount. The assembly also includes an inertia track having a central opening defining an axis. The inertia track defines a passage in fluid communication with the first chamber and the second chamber. The inertia track is moveable along the axis. 1. A hydromount assembly comprising:an upper mount disposed about an axis, the upper mount comprising an insert, a ring radially inward of the insert, a tube radially inward of the ring, and a first elastomeric element at least partially radially disposed between the insert and the ring and between the ring and the tube;a lower mount including an upper portion, a central portion, and a lower portion, the lower mount including a shaft, wherein the central portion includes an engagement member; andan inertia track having a passage fluidly connected with a first chamber and a second chamber, wherein the inertia track separates the first chamber and the second chamber, the inertia track having a first central opening about the axis, wherein the shaft extends through the first central opening, wherein the engagement member is disposed in the inertia track.2. The hydromount assembly of claim 1 , wherein the first elastomeric element includes at least one opening extending circumferentially about the axis and disposed between the ring and the insert.3. The hydromount assembly of claim 1 , wherein the first elastomeric element defines a second central opening about the axis claim 1 , wherein the tube extends through the second central opening.4. The hydromount assembly of claim 3 , wherein the tube has a first diameter greater than a second diameter of the second central opening.5. The hydromount assembly of claim 1 , wherein the upper mount provides a first damping rate in a first radial direction different than a second damping rate in a second radial direction.6. The hydromount of claim 5 , wherein the first radial direction corresponds to a fore-aft direction and the ...

SLEEVE FOR A DAMPER, DAMPER, SYSTEM, MANUFACTURING METHOD FOR A SLEEVE, MANUFACTURING METHOD FOR A DAMPER

A substantially tubular sleeve is arranged in a damping space of the damper containing a damping fluid and has at least one recess at least in an inner face of the sleeve. The recess defines a flow channel for the damping fluid for adaptation of the flow impedance (F) for the damping fluid at least in a direction along a longitudinal axis (LA) of the sleeve. The sleeve is rigidly and releasably connected to the outer body by a number of contact surfaces on an outer surface of the sleeve and/or has at least one guide surface arranged on an inner surface of the sleeve for guiding the piston over the travel path (H). 111-. (canceled)12: A substantially tubular sleeve for a damper , in particular a industrial shock absorber , wherein the sleeve is configured to be arranged in a damping space of the damper containing a damping fluid and comprises at least one recess at least in an inner face of the sleeve , wherein the recess defines a flow channel for the damping fluid for adaptation of the flow impedance (F) for the damping fluid at least in a direction along a longitudinal axis (LA) of the sleeve , wherein a width of the recess along the longitudinal axis increases parabolically from one end of the recess to the other end of the recess.13: The sleeve according to claim 12 , wherein the recess i. modulated with respect to a shape and/or surface of a cross-section orthogonally to the longitudinal axis (LA), particularly preferably with respect to a width (B) in a circumferential direction of the sleeve and/or a depth (T) in a radial direction of the sleeve;', 'ii. modulated with respect to a position of the recess in a circumferential direction of the sleeve and/or', 'iii. actively modulated with respect to a surface composition and/or surface morphology with a flow-dynamic effect;, 'a. is modulated along the longitudinal axis (LA) in order to set the flow impedance (F), wherein the recess is preferably'}b. has a depth (T) in a radial direction of the sleeve which is ...

WAVE SPRING

A wave spring includes an annular body in which crests and valleys are alternately and continuously formed in a circumferential direction. At least a portion of the annular body in the circumferential direction is a joined portion. The joined portion of the annular body is a flat portion extending in a plane orthogonal to a center axis of the annular body. 1. A wave spring comprising:an annular body in which crests and valleys are alternately and continuously formed in a circumferential direction,wherein at least a portion of the annular body in the circumferential direction is a joined portion,the joined portion of the annular body is a flat portion extending in a plane orthogonal to a center axis of the annular body, andthe flat portion is positioned between the crests and the valleys in an axial direction along the center axis.2. The wave spring according to claim 1 ,wherein both ends of the flat portion in the circumferential direction are formed in curved surface shapes protruding in an axial direction of the center axis.3. (canceled)4. The wave spring according to claim 1 ,wherein the flat portion is positioned at a central portion of the annular body in the axial direction.5. The wave spring according to claim 1 ,wherein pitches at which the crests and the valleys are arranged in the circumferential direction are non-fixed.6. The wave spring according to claim 1 ,wherein two crests of the crests or two valleys of the valleys are continuous to both ends of the flat portion in the circumferential direction.7. The wave spring according to claim 1 ,wherein a crest, the flat portion, and a valley are continuous in this order in the circumferential direction. The present invention relates to a wave spring.Priority is claimed on Japanese Patent Application No. 2018-032465, filed on Feb. 26, 2018, the content of which is incorporated herein by reference.Patent Document 1 discloses a wave spring including an annular body in which crests and valleys are alternately and ...

SYSTEM FOR REDUCING ENGINE ROLL

A system for an engine torque support is described comprising a support member connected to a vehicle structure at a first end via a bearing comprising a bearing core surrounded by a bearing bush. The bearing bush has a recess, and the bearing core includes a receiving channel for a connector, a notch extending transversely relative to the receiving channel, and a connection web formed in a plane of the notch creating a first core portion, and a second core portion of the bearing core. The second core portion is spaced apart from the first core portion by the notch, and the second core portion is displaced relative to the first core portion via resilient deformation of the connection web and/or via breaking of the connection web. 1. A torque support for a drive motor in a vehicle structure comprising:a support member connected to the vehicle structure via a bearing comprising a bearing core surrounded by a bearing bush, the bearing bush having a recess, and the bearing core including a receiving channel for a connector, a notch extending transversely relative to the receiving channel, and a connection web formed in a plane of the notch creating a first core portion and a second core portion of the bearing core such that the second core portion is spaced apart from the first core portion by the notch, and the second core portion is displaceable relative to the first core portion via resilient deformation of the connection web and/or via breaking of the connection web.2. The torque support of claim 1 , wherein the bearing bush is of cylindrical form and wherein the recess is arranged in a wall of the bearing bush such that the recess is spaced between upper and lower surfaces of the bearing bush.3. The torque support of claim 1 , wherein the bearing core is of cylindrical form claim 1 , and wherein the bearing bush extends in terms of its height over an entire length of the bearing core.4. The torque support of claim 1 , wherein the bearing is arranged at a first end ...

VEHICLE AIR STRUT WITH TWIST LOCK CLOSURE COVER

A pneumatic spring strut for a vehicle is provided including a hydraulic cylinder having a lower end for connection with a suspension system of the vehicle; a hydraulic piston slidably mounted within the hydraulic cylinder; a piston rod connected with the hydraulic piston; a pneumatic spring mount body connected with the hydraulic cylinder; a pneumatic spring bellows having a lower in connected with the pneumatic spring mount body; a top cap encircling the piston rod and being connected with a top end of the spring bellows, and a closing cover twist lock connected with the top cap. 1. A pneumatic spring strut for a vehicle comprising:a hydraulic cylinder having a lower end for connection with a suspension system of the vehicle;a hydraulic piston slidably mounted within said hydraulic cylinder;a piston rod connected with said hydraulic piston;a pneumatic spring mount body connected with said hydraulic cylinder;a pneumatic spring bellows having a lower end connected with said pneumatic spring mount body;a top cap encircling said piston rod and being connected with a top end of said spring bellows, said top cap having an outer flange for connection with a body of said vehicle, and said top cap having a bore having a lower radially inward projecting flange and an upper opening with radially inward projecting spline teeth;a bushing connected with said piston rod positioned above and against said top cap lower flange; anda closing cover having a body allowing said closing cover to be inserted with said in said top cap bore upper opening and to be twist locked with said top cap bore upper opening.2. The pneumatic spring strut of wherein said closing cover body has an outer flange with gear like teeth.3. The pneumatic spring strut of wherein said closing cover is fabricated from a polymeric material.4. The pneumatic spring strut of wherein said bore of said top cap is tapered.5. The pneumatic spring strut of wherein said closing cover is sealed with said top cap by a ...

DAMPER

The present disclosure relates to a frequency tuned damper having a vibration body () and at least one elastic element () which connects the vibration body to a surface (), the vibrations of which is to be dampened. The elastic element has a wide portion () and a narrow portion () disposed at different locations on an axis () which is substantially parallel with the normal of the surface. The wider portion has a cavity (), and the wide and narrow portions are inter-connected by a transition portion (). The part of the narrow portion that is closest to the transition portion fits inside the cavity, as seen in the direction of the axis, such that the narrow portion can be pushed at least partly into the cavity, thereby flexing the transition portion. 1. A dampening system comprising:a vibration surface, wherein the vibration surface experiences vibrations normal to the vibration surface;a vibration body; andat least one elastic element which connects the vibration body to the vibration surface such that the vibration body forms an elastically suspended mass, the elastic element having a wide portion and a narrow portion disposed at different locations along a longitudinal axis which is substantially parallel with a normal of the vibration surface, one of said portions being adapted to attach the elastic element to the vibration body and the other to attach the elastic element to the vibration surface, the wide portion having a cavity, wherein:the wide and narrow portions are inter-connected by a transition portion, andthe elastic element and the vibration body are tuned to said vibrations of the vibration surface such that the vibrations normal to the vibration surface are counteracted through phase-shifted movement of the vibration body.2. The system according claim 1 , wherein a maximum radial extension of the narrow portion is smaller than a minimum radial extension of the cavity claim 1 , such that the narrow portion can be pushed at least partly into the cavity ...

Vibration Damper, And Piston Valve For A Vibration Damper

A vibration damper includes a piston rod () which transitions into a piston rod neck () while forming a contact shoulder () and guides a piston valve () at this piston rod neck (), this piston valve () is pretensioned against the contact shoulder () of the piston rod (). To reduce variances in damping force in batch fabrication of the vibration damper, a compensating disk () is fitted axially between the contact shoulder () and the piston valve (), which compensating disk () is produced from a material with a lower yield strength compared to the piston rod () and/or compared to an immediately succeeding component of the piston valve (). 110-. (canceled)11. A vibration damper comprising:{'b': '1', 'a piston valve ();'}{'b': 2', '4', '1, 'a piston rod () having a piston rod neck () for carrying said piston valve ();'}{'b': 6', '2', '4', '1', '6', '2, 'a contact shoulder () between said piston rod () and said piston rod neck (); said piston valve () being pretensioned against said contact shoulder () of said piston rod ();'}{'b': 20', '6', '1', '2', '1', '2, 'a compensating disk () fitted axially between said contact shoulder () and said piston valve (), said compensating disk constructed from a material having a lower yield strength than a material forming said piston rod () and/or a material forming a component of said piston valve () immediately succeeding said piston rod ().'}121171515161516712134. The vibration damper according to claim , wherein said piston valve () comprises a piston body () having at least one passage () extending axially therethrough , said at least one passage () having an orifice (); wherein said at least one passage () can be covered at each said orifice () with at least one valve disk , and wherein said piston body () and said at least one valve disk are placed between supporting disks ( , ) on said piston rod neck ().1315169. The vibration damper according to claim 12 , wherein said at least one passage () can be covered at each said ...

DOWEL BOLTS FOR MOUNTING AN OIL PUMP TO AN ENGINE ASSEMBLY

Methods and systems are provided for an oil pump mounting structure that provides accessibility and removal of the oil pump without removing a balancer shaft. While periodically servicing or replacing the oil pump may be necessary throughout the lifetime of an engine, it is desirable to allow for easy removal of the oil pump without removing and reassembling other engine components. To provide alignment and a rigid connection between the oil pump and engine frame while allowing for removal of the oil pump without removing other components, dowel bolts with unthreaded, threaded, and dowel portions are used to mount the oil pump to the engine frame. 1. A system , comprising:an oil pump with a drive end that meshes with a balancer shaft inside a fully enclosed support structure, wherein the drive end fixedly rotates with the balancer shaft; anda plurality of dowel bolts fixing and aligning the oil pump to an engine frame, wherein a substantially flat bottom surface of the oil pump has face-engaging contact with a substantially flat top surface of the engine frame.2. The system of claim 1 , wherein the balancer shaft receives rotational power from a crankshaft of the engine and is engaged with the drive end of the oil pump via meshing between male and female drives.3. The system of claim 1 , wherein each of the plurality of dowel bolts comprises an unthreaded shank claim 1 , a dowel portion claim 1 , and a threaded portion.4. The system of claim 3 , wherein the dowel portion is located in between the unthreaded shank and the threaded portion claim 3 , and wherein the unthreaded shank is located adjacent to a head of the dowel bolt.5. The system of claim 3 , wherein the dowel portion has a diameter that is greater than a diameter of the unthreaded shank and a diameter of the threaded portion.6. The system of claim 3 , wherein the dowel portion is machined to a tolerance to provide alignment between the oil pump claim 3 , engine frame claim 3 , and fully enclosed support ...

ACOUSTICAL THERMAL DECOUPLING SYSTEM

The present invention relates to an acoustical and thermal decoupling system () in a form of a polymer tape that includes a closed-cell foam layer () having a front side and a reverse side, a pressure sensitive adhesive () coated on the reverse side of the closed-cell foam layer (), and a release liner () covering the pressure sensitive adhesive () on the reverse side of the closed-cell foam layer (). The acoustical and thermal decoupling system () may be installed directly to a structural member of a building by removing the release liner () from the reverse side of the closed-cell foam layer () and pressing the reverse side of the closed-cell foam layer () against the structural member, allowing the pressure sensitive adhesive () to bond the closed-cell foam layer () directly to the structural member. 110. An acoustical , thermal decoupling system () in the form of a polymer tape comprising:{'b': '12', 'a closed-cell foam layer () having a front side and a reverse side;'}{'b': 14', '12, 'a pressure sensitive adhesive () coated on the reverse side of the closed-cell foam layer (); and'}{'b': 16', '14', '12, 'a release liner () covering the pressure sensitive adhesive () on the reverse side of the closed-cell foam layer ();'}{'b': 16', '12, 'wherein the release liner () is configured to be removed from the reverse side of the closed-cell foam layer () by peeling;'}wherein the pressure sensitive adhesive is configured to be adhered directly to a structural member of a building.21012. The decoupling system () according to claim 1 , wherein the closed-cell foam layer () comprises NBR foam and PVC foam.31012. The decoupling system () according to claim 1 , wherein the closed-cell foam layer () comprises NBR foam and PVC foam in the range from 5 wt % to 95 wt % NBR and 95 wt % to 5% wt % PVC claim 1 , preferably from about 5 wt % to 50 wt % NBR and 50 wt % to 5 wt % PVC claim 1 , more preferably from about 10 wt % to 25 wt % NBR and 50 wt % to 25 wt % PVC.41012. The ...

LATERAL SUPPORT ELEMENTS, GAS SPRING ASSEMBLIES, SUSPENSION SYSTEMS AND METHODS

Lateral support elements include an element wall with an exterior surface dimensioned to abuttingly engage an associated flexible wall and an interior surface that at least partially defines an element chamber within the lateral supporting element. Gas spring assemblies include a flexible spring member that at least partially defines a spring chamber. The lateral support element is disposed along and operatively connected to the flexible spring member. The element chamber can, optionally and in some cases, be disposed in fluid communication with the spring chamber. The gas spring assembly can include one or more end members operatively connected to the flexible spring member. Suspension systems and methods of assembly are also included. 1. A gas spring assembly comprising:a flexible wall having a longitudinal axis and extending peripherally about said longitudinal axis between a first end and a second end spaced longitudinally from said first end, said flexible wall including an inner surface and an outer surface with said inner surface at least partially defining a spring chamber; and,a lateral support element including an element wall with an exterior surface disposed in abutting engagement with said flexible wall and an interior surface at least partially defining an element chamber within said lateral support element.2. A gas spring assembly according to claim 1 , wherein said gas spring assembly is laterally displaceable between a neutral position and a laterally-offset position such that in said neutral position said second end of said flexible wall and said lateral support element are disposed approximately coaxial alignment with one another and in said laterally-offset position said second end of said flexible wall and said lateral support element are disposed in laterally-spaced apart relation to one another.3. A gas spring assembly according to claim 2 , wherein a portion of an annular area of said outer surface of said flexible wall is disposed in ...

OSCILLATION DAMPER AND METHOD FOR MANUFACTURING AN OSCILLATION DAMPER

An oscillation damper is provided and includes: a holder for mounting the oscillation damper on an object to be damped; a damping mass; and a coupling device designed to mount the damping mass on the holder. The coupling device includes: a damping mass mounting element rigidly connectable to the damping mass; a holder mounting element rigidly connectable to the holder; and a spring element resiliently mechanically coupling the damping mass mounting element to the holder mounting element. A method for manufacturing an oscillation damper is further provided. 1. An oscillation damper , comprising:a holder, configured to mount the oscillation damper on an object to be damped;a damping mass; a damping mass mounting element, which is rigidly connectable to the damping mass;', 'a holder mounting element, which is rigidly connectable to the holder; and', 'a spring element, which resiliently mechanically couples the damping mass mounting element with the holder mounting element., 'a coupling device, configured to mount the damping mass on the holder, wherein the coupling device comprises2. The oscillation damper according to claim 1 , whereinthe damping mass has a damping mass mounting recess,wherein the damping mass mounting element is pressable into the damping mass mounting recess, and, optionally,wherein the damping mass mounting element in a pressed state into the damping mass mounting recess directly borders and/or lies directly adjacent the damping mass.3. The oscillation damper according to claim 2 , further comprising:at least one abutment element, being arranged on the holder mounting element,wherein the at least one abutment element abuts an inner surface of the damping mass mounting recess during radial displacement.4. The oscillation damper according to claim 3 , whereinthe at least one abutment element is formed integrally with the spring element.5. The oscillation damper according to claim 1 , whereinthe holder has a holder mounting recess, andwherein the ...

Hybrid spring device

The invention is directed to a hybrid spring device comprising an outer tubular shell, and an inner part enclosed in the outer tubular shell comprising a fibre reinforced plastic material. According to the invention the outer tubular shell is designed as self-supporting part made from a metallic material. The invention further provides suitable methods for producing such types of hybrid spring devices.

LIQUID-SEALED ANTI-VIBRATION DEVICE AND METHOD FOR MANUFACTURING THE SAME

A liquid-sealed anti-vibration device comprising: an inner tube (), an outer tube (); rubber bodies (), () interconnecting the inner and outer tubes (), () in a liquid-tight manner at two positions spaced in an axial direction; a partition wall disposed between the rubber bodies (), () to divide a space between the inner and outer tubes into two parts in the axial direction, the partition wall having an annular rigid member () and an elastic member (); liquid chambers (), () configured in such a way that the spaces partitioned by the partition wall () are filled with non-compressible liquid; and a limiting passage () provided in the partition wall () to allow the liquid chambers (), () to communicate with each other, wherein the annular rigid member (), protrudes from the inner tube () toward the outer tube, the elastic member () connects the annular rigid member () to the outer tube (), and the limiting passage () is formed by at least one passage groove (), the passage groove being formed on the outer circumferential surface of the annular rigid member () and extending at least one time around the annular rigid member, and by a circumscribed rigid tube member () fixed to the elastic member () so as to close opening of the passage groove () via a seal member () in a liquid-tight manner. 1. A liquid-sealed anti-vibration device comprising:an inner tube;an outer tube;rubber bodies interconnecting the inner and outer tubes in a liquid-tight manner at two positions spaced in an axial direction;a partition wall disposed between the rubber bodies to divide a space between the inner and outer tubes into two chambers in the axial direction, the partition wall having an annular rigid member and an elastic member;said two chambers each being filled with non-compressible liquid; anda limiting passage provided in the partition wall to allow the liquid said two chambers to communicate with each other, 'the annular rigid member protrudes from the inner tube toward the outer tube ...

THREE DIMENSIONAL LATTICE WEAVES WITH TAILORED DAMPING PROPERTIES

The present invention is directed to three dimensional weaves composed of wires or yarns that offer the potential for damping not achievable with solid materials, including high temperature damping. Three damping mechanisms have been identified: (1) Internal material damping, (2) Frictional energy dissipation (Coulomb damping), and (3) inertial damping (tuned mass damping). These three damping mechanisms can be optimized by modifying the wire material chemistries (metals, ceramics, polymers, etc.), wire sizes, wire shapes, wire coatings, wire bonding, and wire architecture (by removing certain wires). These have the effect of modifying the lattice and wire stiffnesses, masses, coefficients of friction, and internal material damping. Different materials can be used at different locations in the woven lattice. These design variables can also be modified to tailor mechanical stiffness and strength of the lattice, in addition to damping. 1. A device for providing damping comprising:wires woven to create a damping material; andwherein positions of the wires in the damping material are selected to enhance damping.2. The device of wherein the wires are formed from one selected from a group consisting of metal claim 1 , ceramic claim 1 , and polymer.3. The device of wherein the wires are formed from one selected from a group consisting of NiCr and Cu.4. The device of wherein the wires are formed from a combination of metals claim 1 , ceramics claim 1 , and/or polymers.5. The device of wherein the wires are formed from a silica claim 1 , alumina claim 1 , or carbon based material.6. The device of wherein the wires are woven in x claim 1 , y claim 1 , and z directions.7. The device of wherein the damping material is configured for damping due to at least one method selected from a group consisting of internal material damping claim 1 , frictional energy dissipation (Coulomb damping) claim 1 , and inertial damping (tuned-mass damping).8. The device of wherein damping is ...

DAMPER AND METHOD FOR MANUFACTURING DAMPER

A damper is formed by a housing member wherein an outer cylinder portion and an inner cylinder portion that are cylindrically formed are concentrically disposed, and respective lower ends are connected to each other at a bottom portion, and at an upper end of the outer cylinder portion, an open end portion is formed, and a groove portion is formed on an inner periphery; and a lid member provided with a rotor inserted from the open end portion, and housed in the housing member, and formed with a projection portion engaging the groove portion. A thin wall portion which is thinner than the outer cylinder portion is formed in a vicinity of a groove portion side in the outer cylinder portion. 1. A damper , comprising:a housing member wherein a bottom portion is formed at one end of an outer cylinder portion formed in a cylinder shape, an open end portion is formed at another end of the outer cylinder portion, and a groove portion is formed on an inner periphery; anda lid member wherein a movable member housed in the housing member is provided, and a projection portion engaging the groove portion is formed,wherein a thin wall portion which is thinner than the outer cylinder portion is formed between the groove portion and the bottom portion in the outer cylinder portion.2. A damper according to claim 1 , wherein the thin wall portion is formed on a groove portion side more than an intermediate portion between the groove portion and the bottom portion in the outer cylinder portion.3. A damper according to claim 1 , wherein the movable member is a rotor or a piston inserted from the open end portion and housed in the housing member claim 1 , andthe thin wall portion is formed on the groove portion side more than the intermediate portion between the groove portion and the bottom portion in the outer cylinder portion.4. A damper according to claim 1 , wherein the movable member is a rotor inserted from the open end portion and housed in the housing member claim 1 , and having ...

Mount assembly with electro-magnetorheological switchable displacement elements

A system and method using a mount assembly for attaching a powertrain to a structural member of a vehicle. The mount assembly includes a first compliant member, a second compliant member, a first fluid chamber, a second fluid chamber, a pressure compliant membrane, electro-magnetorheological switch and a magnetorheological fluid. A fluid conduit interconnects the first fluid chamber with the second fluid chamber to allow a fluid to pass from the first fluid chamber to the second fluid chamber. The pressure compliant membrane seals the aperture in the second fluid chamber. The electro-magnetorheological switch is activated to generate an electric field in the fluid conduit to change the viscosity of the magnetorheological fluid to achieve a first stiffness profile of the mount assembly. The electro-magnetorheological switch is deactivated to remove the electric field in the fluid conduit to change the viscosity of the magnetorheological fluid to achieve a second stiffness profile of the mount assembly.

Mount assembly with electro-hydro-pneumatic switchable displacement elements

A system and method using a mount assembly for attaching a powertrain to a structural member of a vehicle. The mount assembly includes a first compliant member, a second compliant member, a first fluid chamber, a second fluid chamber, a third fluid chamber, a pressure compliant membrane, and a valve. A fluid conduit interconnects the first fluid chamber with the second fluid chamber to allow a fluid to pass from the first fluid chamber to the second fluid chamber. The third fluid chamber has an opening in communication with the second fluid chamber and a vent port. The pressure compliant membrane seals the opening between the second fluid chamber and the third fluid chamber. The valve selectively seals the vent port in the third fluid chamber. A first stiffness profile of the mount assembly is selected by actuating the valve to open the vent port. A second stiffness profile of the mount assembly is selected by actuating the valve to close the vent port.

COATED SPRING

An electrically conductive component, which can be used in motor vehicles, may include a surface having a layered covering. The layered covering may be a melted and cured product of coating with a powder composition. Further, the layered covering may have a layer thickness of greater than 150 μm, and the layered covering may be a single-layer covering. The layered covering may also include a pore-like layer structure. The pore-like layer structure of the layered covering may be responsible for an at-least-15% reduction in density of the layered covering relative to a density of the layered covering without the pore-like layer structure. 115.-. (canceled)16. An electrically conductive component comprising a surface with a layered covering , wherein the layered coveringhas a layer thickness of greater than 150 μm,is a melted and cured product of coating with a powder composition,is a single-layer covering, andcomprises a pore-like layer structure.17. The electrically conductive component of wherein the layered covering comprises less than 3% by weight of one or more corrosion inhibitors based on the layered covering.18. The electrically conductive component of wherein the pore-like layer structure of the layered covering is responsible for an at-least-15% reduction in density of the layered covering relative to a density of the layered covering without the pore-like layer structure.19. The electrically conductive component of wherein the pore-like layer structure comprises pores having a mean pore diameter of greater than 5 μm.20. The electrically conductive component of wherein the layered covering comprises at least 10% by weight of a fiber component based on the layered covering.21. A layered covering on a surface of the electrically conductive component claim 16 , wherein the layered coveringhas a layer thickness of greater than 150 μm,is a melted and cured product of coating with a powder composition,is a single-layer covering, andcomprises a pore-like layer ...

FLUID-FILLED VIBRATION DAMPING DEVICE

A fluid-filled vibration damping device including: a primary liquid chamber which gives rise to pressure fluctuations based on deformation of a main rubber elastic body at times of vibration input; an auxiliary liquid chamber which gives rise to pressure fluctuations relative to the primary liquid chamber at times of vibration input; and an orifice passage that allows flow action of a scaled fluid between the primary liquid chamber and the auxiliary liquid chamber. The sealed fluid contains at least 0.03 volume % of a dissolved gas under atmospheric pressure at room temperature. A low-adhesion energy surface with a water contact angle of at least 90 degrees is provided on an inner surface of the primary liquid chamber. 1. A fluid-filled vibration damping device comprising:a primary liquid chamber which gives rise to pressure fluctuations based on deformation of a main rubber elastic body at times of vibration input;an auxiliary liquid chamber which gives rise to pressure fluctuations relative to the primary liquid chamber at times of vibration input; andan orifice passage that allows flow action of a sealed fluid between the primary liquid chamber and the auxiliary liquid chamber, whereinthe sealed fluid contains at least 0.03 volume % of a dissolved gas under atmospheric pressure at room temperature, anda low-adhesion energy surface with a water contact angle of at least 90 degrees is provided on an inner surface of the primary liquid chamber.2. The fluid-filled vibration damping device according to claim 1 , wherein the volume of the dissolved gas contained in the sealed fluid is not greater than 61200 volume % under atmospheric pressure at room temperature.3. The fluid-filled vibration damping device according to claim 1 , wherein the low-adhesion energy surface is provided directly on a surface of a constitutional member constituting the primary liquid chamber.4. The fluid-filled vibration damping device according to claim 1 , wherein the low-adhesion energy ...

Blade Flexure Assembly with Replaceable Elements

A blade flexure assembly that includes first and second mounting structures. Two or more flexure blades are connected to and extend between the first and second mounting structures. Clamping blocks clamp the flexure blades to the mounting structures. The modular design of the assembly provides for replacing one or more of the flexure blades to adjust one or more functional aspects of the assembly. 1. A blade flexure assembly comprising:a plurality of removable flexure blades, each removable flexure blade having a first end and second end;a plurality of mounting structures, each mounting structure having a curved surface to receive one of the first and second ends of one of the flexure blades; anda plurality of clamping blocks, wherein each clamping block clamps one of the first and second ends of the flexure blade to one of the curved surfaces of the mounting structure, each clamping block having a curved surface with a shape different than the respective curved surface of the mounting structure such that the one of the first and second ends is clamped at two line contacts and a gap exists between the flexure blade and either the mounting structure or the clamping block.2. The blade flexure assembly of claim 1 , wherein the flexure blades comprise material with a higher tensile strength than material of the mounting structures.3. The blade flexure assembly of claim 1 , further comprising a plurality of fasteners to join the mounting structures to the clamping blocks.4. The blade flexure assembly of claim 1 , wherein each flexure blade comprises a first curved section at the first end claim 1 , a second curved section at the second end claim 1 , and an intermediate section between the first and second curved sections claim 1 , the intermediate section having a different amount of curvature than either of the first and second curved sections.5. The blade flexure assembly of claim 1 , wherein each flexure blade comprises a curved section with a first radius claim 1 , ...

Damping apparatus and associated systems and methods for damping a first member relative to a second member

An apparatus for damping a first member relative to a second member. The apparatus includes a receiving member that includes a flange, an axial elastomeric member, and a radial elastomeric member. The axial elastomeric member is positionable between a surface of the first member and the flange of the receiving member, and the radial elastomeric member is positionable between the first member and the receiving member.

Friction damped insert for highly stressed engineering components

A friction damped insert for highly stressed engineering components is disclosed. The disclosed inventive concept provides a method and system for increasing the damping capacity of an engineering system by adding a non-flat solid, highly damped insert to a system component that contributes most to the system's dynamic response. The insert can either be embedded into a system component during casting or be fastened to the system component outer surface. The insert is made of the single layer of flexible material by forming it into a rigid elongated body. The layer of material can be turned over on itself without folding to create a cylinder or can be folded over a number of times to create a prismatic bar. The layer of material may be shaped into a corrugated panel. The layer of flexible material may have a number of relatively small openings or perforations with a uniform spatial distribution.

CENTRIFUGAL PENDULUM WITH CLAMPING DEVICE

A centrifugal pendulum supportable for rotation about an axis of rotation, including a pendulum flange, a pendulum mass, and a cam guide. The pendulum mass includes a first pendulum mass part and a second pendulum mass part. The first and second pendulum mass parts are coupled to be jointly movable with the pendulum flange along a pendulum path to a limited extent. A locking device is provided, the locking device coupling the first pendulum mass part and the second pendulum mass part. The locking device is capable of locking the first pendulum mass part relative to the second pendulum mass part. 19-. (canceled)10. A centrifugal pendulum , comprising:a first pendulum flange including a cutout;an axis of rotation for the pendulum flange;a first pendulum mass including a cutout;a second pendulum mass including a cutout;a guide element passing through and displaceable within the respective cutouts for the first pendulum flange, the first pendulum mass and the second pendulum mass; and, coupling the first and second pendulum masses; and,', 'urging the first pendulum mass into a fixed position with respect to the second pendulum mass., 'a locking device11. The centrifugal pendulum of claim 10 , wherein:the first pendulum mass includes a recess;the second pendulum mass includes a recess;at least a portion of the recess for the first pendulum mass overlaps, in an axial direction parallel to the axis of rotation, the recess for the second pendulum mass; and,the locking device includes a spring component disposed, at least in part, in the respective recesses for the first and second pendulum masses.12. The centrifugal pendulum of claim 11 , wherein:the recess for the first pendulum device includes first and second circumferential ends;the recess for the second pendulum device includes first and second circumferential ends;the spring component includes first and second circumferential ends; and, the first circumferential end of the spring component presses the respective first ...

DAMPER ASSEMBLY

A damper assembly includes a damper, an accumulator, and a tube mount. The damper includes a tube having an outer surface. The tube defines a central axis and a first cavity in the outer surface. The accumulator has an end defining a second cavity. The accumulator defines a longitudinal axis. The tube mount is attached to the outer surface of the tube around the first cavity. The tube includes a damper fluid. The end of the accumulator is supported by the tube mount to allow the damper fluid to flow from the tube through the first cavity and into the accumulator through the second cavity. The longitudinal axis of the accumulator is transverse to the central axis of the tube. 1. A damper assembly , comprising:a damper including a tube having an outer surface, the tube defining a central axis and a first cavity in the outer surface;an accumulator having an end defining a second cavity, the accumulator defining a longitudinal axis; anda tube mount attached to the outer surface of the tube around the first cavity;wherein the tube includes a damper fluid;wherein the end of the accumulator is supported by the tube mount to allow the damper fluid to flow from the tube through the first cavity and into the accumulator through the second cavity;wherein the longitudinal axis of the accumulator is transverse to the central axis of the tube.2. The damper assembly of claim 1 , wherein the tube mount includes a ring claim 1 , and the accumulator is supported by the ring.3. The damper assembly of claim 2 , wherein the end of the accumulator is welded to the ring.4. The damper assembly of claim 1 , wherein the tube mount and the end of the accumulator form a fluid-tight seal.5. The damper assembly of claim 1 , wherein the tube mount and the end of the accumulator form a substantially circular seal.6. The damper assembly of claim 1 , wherein the accumulator includes a piston and the damper fluid is movable into the accumulator to move the piston.7. The damper assembly of claim 1 , ...

Damper assembly

A damper includes a pressure tube extending about a longitudinal axis and defining an inner volume. The damper includes a piston attached to a piston rod and slidably disposed within the pressure tube. The piston divides the inner volume of the pressure tube into a first working chamber and a second working chamber. The damper includes a fluid connector having a first wall and a second wall, each elongated along the longitudinal axis and sealed to the pressure tube. The fluid connector has a third wall elongated along the longitudinal axis and extending from the first wall to the second wall. The pressure tube defines an opening at the first working chamber, and the third wall of the fluid connector defines an opening spaced from the opening of the pressure tube. The first wall, the second wall, and the third wall define a passage extending from the opening of the pressure tube to the opening of the third wall.

DAMPER ASSEMBLY INCLUDING INTAKE VALVE IN FLUID CHAMBER

A damper assembly includes an outer tube and an inner tube disposed in the outer tube defining a fluid space therebetween. The inner tube defines an inner volume. A piston is slidably disposed in the inner tube and divides the inner volume into a rebound working chamber and a compression working chamber. An active rebound valve is fluidly connected to the rebound working chamber and the fluid chamber, and an active compression valve is fluidly connected to the reserve chamber and the compression working chamber. An intake assembly is positioned in the fluid chamber to control the fluid flow through the active rebound valve and into the compression working chamber during a rebound stroke and to control fluid flow from the compression working chamber through the active compression valve and into the rebound working chamber during a compression stroke. 1. A damper assembly , comprising:an outer tube;an inner tube disposed in the outer tube defining a fluid chamber between the outer tube and the inner tube, the inner tube defining an inner volume, the outer tube and inner tube having a common longitudinal axis;a piston slidably disposed in the inner tube along the common longitudinal axis, the piston dividing the inner volume of the inner tube into a rebound working chamber and a compression working chamber; anda rebound valve fluidly positioned external to the outer tube and fluidly connected to the rebound working chamber and the fluid chamber, the rebound valve having a variable flow resistance;a compression valve positioned external to the outer tube and fluidly connected to the fluid chamber and the compression working chamber, the compression valve having a variable flow resistance, the rebound valve and compression valve being separated by a gap along the common longitudinal axis;an intake assembly fastened within the fluid chamber at the gap between the rebound valve and the compression valve, the intake assembly in fluid communication with the rebound valve and ...

DAMPING FORCE GENERATING MECHANISM, MANUFACTURING METHOD FOR DAMPING FORCE GENERATING MECHANISM, AND PRESSURE SHOCK ABSORBER

A damping force generating mechanism includes: a flow passage formation part that forms a flow passage through which a liquid flows; a valve configured to control a flow of the liquid in the flow passage; a back pressure control valve configured to control a pressure in a back pressure chamber that provides a back pressure to the valve by inflow of the liquid; and an accommodation part that is in a tubular shape with one side opening end narrower than another side opening end, forms the back pressure chamber, and accommodates at least the valve and the back pressure control valve. 1. A damping force generating mechanism comprising:a flow passage formation part that forms a flow passage through which a liquid flows;a valve configured to control a flow of the liquid in the flow passage;a back pressure control valve configured to control a pressure in a back pressure chamber that provides a back pressure to the valve by inflow of the liquid;a pressing part configured to press the back pressure control valve in a direction in which the back pressure control valve closes;an operation part configured to push out a plunger toward the pressing part in accordance with an energized state in order to press the back pressure control valve by the pressing part in the direction in which the back pressure control valve closes; andan accommodation part that is in a tubular shape with one side opening end narrower than another side opening end, forms the back pressure chamber, accommodates at least the valve and the back pressure control valve, and includes an expansion accommodation part extending from the one side opening end and accommodating the operation part.2. A damping force generating mechanism comprising:a flow passage formation part that forms a flow passage through which a liquid flows;a valve configured to control a flow of the liquid in the flow passage;a back pressure control valve configured to control a pressure in a back pressure chamber that provides a back ...

CENTRIFUGAL PENDULUM

A centrifugal pendulum which is mounted rotatably around an axis of rotation, having a pendulum flange, a first pendulum mass and a second pendulum mass, wherein the first pendulum mass is spaced apart from the second pendulum mass in the circumferential direction, wherein the pendulum flange includes a first pendulum flange part and a second pendulum flange part, wherein the first pendulum mass is positioned bordering axially on the first pendulum flange part and is coupled with the first pendulum flange part so that it is movable to a limited extent, wherein the second pendulum mass is positioned bordering axially on the second pendulum flange part and is coupled with the second pendulum flange part so that it is movable to a limited extent. 19- (canceled)10. A centrifugal pendulum mounted rotatably around an axis of rotation and comprising:{'b': 35', '40', '45, 'a pendulum flange (), a first pendulum mass () and a second pendulum mass (),'}the first pendulum mass being spaced apart from the second pendulum mass in a circumferential direction,{'b': 50', '55, 'the pendulum flange including a first pendulum flange part () and a second pendulum flange part (),'}the first pendulum mass bordering axially on the first pendulum flange part, and coupled with the first pendulum flange part with limited movability,the second pendulum mass bordering axially on the second pendulum flange part, and coupled with the second pendulum flange part with limited movability.11. The centrifugal pendulum as recited in wherein the first pendulum flange part is spaced apart from the second pendulum flange part in the circumferential direction claim 10 , wherein a cutout is provided between the first pendulum flange part and the second pendulum flange part or wherein the first pendulum flange part is positioned directly bordering on the second pendulum flange part.12. The centrifugal pendulum as recited in wherein the pendulum flange includes at least one third pendulum flange part claim ...

LEAF SPRING, MANUFACTURING PROCESS AND MOULD OF THAT LEAF SPRING

Leaf spring comprising at least one leaf of composite material that comprises: 1. A leaf spring having at least one leaf of composite material comprising:a central body that has two longitudinal end zones and includes at least one sheet of a composite material comprising, in turn, a set of fibre fabrics embedded in a polymeric matrix, andtwo eyes, located in the longitudinal end zones of the central body comprising a hole to connect the leaf spring to a vehicle, wherein the hole comprises a longitudinal axis perpendicular to the longitudinal direction of the central body and wherein the eyes comprise a set of fibre fabrics of composite material embedded in a polymeric matrix,wherein the central body comprises its longitudinal end areas embedded in an eye cavity, wherein the sections transversal to the longitudinal direction of the central body of the longitudinal end zones of the central body and of the eye cavities present increasing dimensions toward the longitudinal end of the leaf spring and wherein it comprises fibre fabrics of the central body stacked according to a Z-direction perpendicular to the longitudinal direction of the central body and to the longitudinal direction of the hole of the eyes and comprises fibre fabrics of the eyes stacked according to a direction parallel to the direction of the longitudinal axis of the hole,{'claim-text': ['a first set of fibre fabrics that comprise a cavity for embedding the longitudinal end zones of the central body and so that the cavity comprises a section transverse to the longitudinal direction of the central body increasing toward the longitudinal end of the central body, and', 'a second set of fibre fabrics located after the first set of fibre fabrics toward the outside of the eye.'], '#text': 'wherein the fibre fabrics of the eyes comprise:'}2. The leaf spring claim 1 , according to claim 1 , wherein the central body comprises an increasing section in the longitudinal end zones in a plane that contains the ...

INTERNAL BYPASS SHOCK ABSORBER

A shock absorber is provided that includes a shock body and a shaft assembly. The shock body has an inner chamber. The inner chamber is defined by a cylindrical interior surface. At least one groove is formed in the interior surface within at least one select length of the shock body. A piston of the shaft assembly is received within the inner chamber of the shock body. The piston includes valving to allow dampening matter that is received within the inner chamber to pass through the piston to allow the piston to move within the inner chamber. The at least one groove that is formed within the interior surface is configured to allow at least some of the dampening matter to bypass the valving of the piston to allow the piston to move through the at least one select length with less resistance. 1. A shock absorber comprising:a shock body of a mono tube shock absorber having an inner chamber, the inner chamber defined by a cylindrical interior surface of the shock body, at least one groove formed in the interior surface of the shock body within at least one select length of the shock body; anda piston of a shaft assembly of the mono tube shock absorber received within the inner chamber of the shock body, the at least one groove configured to allow dampening material to pass along a side of the piston within the at least one groove as the piston moves along the at least one select length of the shock body.2. The shock absorber of claim 1 , further comprising:the piston including valving to allow dampening matter that is received within the inner chamber to pass through the piston to allow the piston to move within the inner chamber of the shock body, the at least one groove formed within the interior surface being configured to allow at least some of the dampening matter to bypass the valving of the piston to allow the piston to move along the at least one select length of the shock body including the at least one groove with less resistance than is encountered with the ...

VIBRATION DAMPERS AND DAMPER TUBES FOR VIBRATION DAMPERS

A vibration damper for a vehicle may include an outer tube, a middle tube, and an inner tube arranged coaxially. A seal receiving element may be arranged between the inner tube and the middle tube on each side of a middle tube opening facing towards tube ends of the middle tube. A radially encircling sealing element may be arranged in the seal receiving element, and the sealing element may seal the middle tube compensation space relative to the outer tube compensation space at least with respect to damping medium. The seal receiving element may be configured at least partially as a coating element. The coating element may be disposed on the inner tube or the middle tube in a substance-to-substance bonded manner. 1. A vibration damper for a vehicle , comprising:an outer tube, a middle tube, and an inner tube arranged coaxially;a piston rod arranged in the inner tube so as to be movable back and forth;a working piston arranged on the piston rod and movable jointly with the piston rod;an outer tube compensation space for receiving damping medium formed between the outer tube and the middle tube; anda middle tube compensation space for receiving damping medium formed between the middle tube and the inner tube,wherein the middle tube has a middle tube opening for fluidic through-connection of the outer tube compensation space to the middle tube compensation space,wherein the inner tube has an inner tube opening for fluidic through-connection of the middle tube compensation space to an interior space of the inner tube, wherein the inner tube is filled at least partially with damping medium, wherein the interior space of the inner tube is divided into a piston-rod-side working space and a piston-rod-remote working space by the working piston,wherein a seal receiving element is disposed between the inner tube and the middle tube on each side of the middle tube opening facing towards tube ends of the middle tube,wherein a radially encircling sealing element is disposed in ...

PRESS-ON COMPOSITE BUMPER TO COMPOSITE PISTON

An air spring includes a composite bumper, a composite piston, a flexible bellow and an upper end cap member. The composite piston has a first end which includes a plurality of rigid portions and a plurality of adjacently positioned cantilever snap joints for receiving and securing the composite bumper. The composite bumper includes an inner wall having a surface shape for securely engaging the plurality of rigid portions and the plurality of cantilever snap joints. The first end of the composite piston further includes a piston housing surface upon which an outer surface of the composite bumper nests against. The flexible bellow is sealingly attached to the composite piston and the upper end cap member. The flexible bellow, the upper end cap member, and the composite piston together form a fluid tight chamber, and the composite bumper is contained within the fluid tight chamber. 1. An air spring comprising a composite bumper , a composite piston , a flexible bellow and an upper end cap member , wherein the composite piston has a first end which includes a plurality of rigid portions and a plurality of adjacently positioned cantilever snap joints for receiving and securing the composite bumper , and wherein the composite bumper includes an inner wall for securely engaging the plurality of rigid portions and the plurality of cantilever snap joints;wherein the first end of composite piston further comprises a piston housing surface upon which an outer surface of the composite bumper nests against;wherein the flexible bellow is sealingly attached to the composite piston and the upper end cap member;wherein the flexible bellow, the upper end cap member, and the composite piston together form a fluid tight chamber; and,wherein the composite bumper is contained within the fluid tight chamber.2. The air spring according to claim 1 , wherein the flexible bellow comprises a first end with a bead claim 1 , wherein the upper end cap member comprises a curled marginal edge ...

AMORPHOUS METAL STRIP AND METHOD FOR PRODUCING AN AMORPHOUS METAL STRIP

A method for the production of a metal strip is provided. The method includes providing an amorphous metal strip having a first main surface and a second, opposing main surface. The first and/or the second main surface are treated with a wet-chemical etching process and/or a photochemical etching process. 1. A method for producing a metal strip , comprising:providing an amorphous metal strip having a first main surface and a second, opposing main surface,inspecting a surface and/or cross-section of the first and/or the second main surface of the amorphous metal strip,covering at least parts of the first main surface and/or at least parts of the second main surface with a chemically resistant coating, andphotochemical etching and/or wet-chemical etching at least one region of the first main surface which is not covered by, or before covering with, the chemically resistant coating and/or at least one region of the second main surface which is not covered by, or before covering with, the chemically resistant coating.2. (canceled)3. (canceled)4. (canceled)5. A method according to claim 1 , wherein the etching removes at least a part of the strip and reduces the surface roughness Rand/or R.6. A method according to claim 1 , wherein the inspecting a surface and/or cross-section of the first and/or the second main surface of the amorphous metal strip comprises:visually examining a surface and/or performing a cross-section inspection of the amorphous metal strip,optically examining a surface and/or performing a cross-section inspection of the amorphous metal strip,or placing a profilometer on the first and/or the second main surface of the amorphous metal strip that contacts the first and/or second main surface of the amorphous strip to examine the surface and/or cross-section of the amorphous metal strip.7. (canceled)8. (canceled)9. A method according to claim 1 , wherein the method is carried out as part of a single- or multi-step reel-to-reel process.10. A method ...

INERTIA WHEEL ARCHITECTURE FOR STORING ENERGY

An inertia wheel including a storage ring and a hub connecting the storage ring to a rotation shaft of the wheel, the hub including a central part forming a hub body for connecting to the shaft, a peripheral part forming a rim for connecting to the storage ring and an intermediate part formed by a disk between the hub body and the rim. The hub is made from a composite material and includes a module having a stiffness that decreases from the hub body to the rim. A method for producing such an inertia wheel is also provided. 1. An inertia wheel comprising: a storage ring and a hub connecting the storage ring to a rotation shaft of the wheel , wherein the hub , including a central portion forming a hub body connected to the shaft , a peripheral portion forming a rim connected to the storage ring and an intermediate part consisting of a disk between the hub body and the rim , is made from composite material and has a stiffness modulus decreasing from the hub body to the rim.2. The inertia wheel as claimed in claim 1 , wherein the hub is produced by drape forming and shaping composite plies.3. The inertia wheel as claimed in claim 2 , wherein the drape forming produces a pattern including an average number of superposed plies decreasing from the hub body to the peripheral portion of the rim.4. The inertia wheel as claimed in claim 2 , wherein the drape forming includes a succession of plies offset angularly and overlapping at least in the central portion of the hub.5. The inertia wheel as claimed in claim 1 , wherein the hub body includes a cut-out to receive the shaft.6. The inertia wheel as claimed in claim 5 , wherein the hub body is produced by stamping the central portion of the hub.7. The inertia wheel as claimed in claim 1 , wherein the rim is produced by curving the periphery of the disk.8. The inertia wheel as claimed in claim 1 , wherein the hub body is produced by stamping the central portion of the hub claim 1 , the rim produced by curving the periphery of ...

Hydromount for mounting a motor vehicle engine

A hydromount for mounting a motor vehicle engine includes a load-bearing spring having an elastomeric material and being configured to support a mount core. A working chamber is delimited by the load-bearing spring. An equalization chamber is separated by an intermediate plate from the working chamber and delimited by an equalization membrane having an elastomeric material. The working chamber and the equalization chamber are filled with a hydraulic liquid and connected to each other by a damping channel. The intermediate plate is mounted in an elastic receiving device which grasps around the intermediate plate and has a pivotable supporting region.

PROCESS FOR MANUFACTURING A LEAF SPRING AND INSERT FOR LEAF SPRING

An insert to a mold for a leaf spring comprises a substrate and a hole that extends through the substrate, A post protrudes from the substrate such that the insert, may be coupled to the mold. Further, the post covers the hole on a first end, so the hole is not exposed. On the other end of the hole, a thin overlay that covers the hole. Thus, during a process where resin is added to the mold, no resin enters the hole. The insert, when added to a leaf spring, offers reinforcement on areas where there is high stress. Therefore, holes may be added to a leaf spring at areas of high stress without overly weakening the leaf spring.

Hybrid inner core assembly of honeycomb structure and manufacturing method thereof

A hybrid assembly of a honeycomb structure is provided. The assembly includes a steel plate capable of being mounted on a vehicle body, a steel core into which the steel plate is inserted in order for both ends of the steel plate along the longitudinal direction thereof to be protruded through the steel core, and a plastic core having an inner portion formed with a honeycomb shape into which the steel core is inserted at a central axis along a longitudinal direction thereof.

Tube and shock absorber

A tube having sealing ring grooves formed by a sequential rotational process and a shock absorber including the tube, in which durability of a sealing ring fitted in each of the sealing ring grooves is enhanced. An inclination angle (θ 1 ) formed with respect to a plane (PL1) perpendicular to an axis of a separator tube by a side surface of the sealing ring groove, which is located on an opening end side of the separator tube, is set to 8° or more. With this, a maximum tensile stress to be applied to an O-ring can be reduced to be smaller than a maximum tensile stress in a case of using a backup ring. As a result, the durability of the O-ring can be set equivalent to or enhanced to be higher than durability in the case of using the backup ring.

TUBULAR VIBRATION-DAMPING DEVICE USED FOR VIBRATION-DAMPING CONNECTING ROD, VIBRATION-DAMPING CONNECTING ROD USING THE SAME, AND METHOD OF MANUFACTURING VIBRATION-DAMPING CONNECTING ROD

Provided are a tubular vibration-damping device for a vibration-damping connecting rod, a vibration-damping connecting rod using the same and a method of manufacturing the vibration-damping connecting rod. The device including an inner shaft member and an outer tubular member being connected by a main rubber elastic body, the inner shaft member having a structure wherein first and second connecting members are inserted into a sleeve member bonded to the main rubber elastic body, the connecting members being axially overlapped with and spaced from each other to provide a rod-end insertion space communicated with outside via rod insertion holes that open through peripheral walls of the sleeve member and the outer tubular member, one end of a rod main body being inserted via the rod insertion holes into the rod-end insertion space and fixed to the first and second connecting members by a fastening member. 1. A tubular vibration-damping device for a vibration-damping connecting rod having a rod main body , comprising:an inner shaft member configured to be mounted on the rod main body;an outer tubular member; anda main rubber elastic body elastically connecting the inner shaft member and the outer tubular member, whereinthe inner shaft member comprises a sleeve member, a first connecting member and a second connecting member, the first and second connecting members being overlapped with each other in an axial direction and being inserted into the sleeve member,the main rubber elastic body is bonded to an outer peripheral face of the sleeve member,overlapping faces of the first and second connecting members in the axial direction are separated from each other so as to provide therebetween a rod-end insertion space,the rod-end insertion space is communicated with an outside via a rod insertion hole that opens through peripheral walls of the sleeve member and the outer tubular member, andthe first and second connecting members are configured to be fixed on one end of the ...

SPRING LEAF AND METHOD FOR PRODUCING A SPRING LEAF

In a method for producing a spring leaf () for a leaf spring, in particular a parabolic spring or suspension spring, wherein the spring leaf () comprises two end regions, a central region, a top side which is subjected to tensile stress in the operative state, and a bottom side () which is subjected to pressure in the operative state, at least one hole () is introduced into the bottom side (). The bottom side () is peened locally in the region around the hole (). 1. A method for producing a spring leaf for a leaf spring , in particular a parabolic spring or a suspension spring , wherein the spring has two end regions , a central region , a top side which is subjected to tension in the operative state , and a bottom side which is subjected to pressure in the operative state , and wherein at least one hole is introduced into the bottom side , wherein that the bottom side is peened in the region around the hole.2. A method according to claim 1 , wherein the bottom side is peened locally in the region around the hole.3. A method according to claim 1 , wherein the bottom side is shot-peened in the region around the hole.4. A method according to one of the claim 1 , wherein a peening medium is applied via a jet nozzle claim 1 , wherein the jet nozzle and the region of the hole are aligned with one another.5. A method according to claim 4 , wherein the jet nozzle is moved towards the spring leaf and/or the spring leaf is moved towards the jet nozzle.6. A method according to claim 1 , wherein a region around the hole is peened claim 1 , so that the distance from the hole to the transition between the peened and non-peened surface of the bottom side lies in the range of approximately 5 cm or 4 cm or 3 cm or 2 cm or 1 cm.7. A method according to claim 1 , wherein a through-hole or a blind hole is introduced as a hole.8. A method according to claim 7 , wherein a clamping region with a continuous central hole is formed in the central region claim 7 , and that the region is ...

WIDEBAND VIBRATION SUPPRESSION DEVICE UTILIZING PROPERTIES OF SONIC BLACK HOLE

A wideband vibration suppression device utilizing properties of a sonic black hole, comprising: a vibration absorber () comprising a uniform portion () of a fixed thickness and a conical portion () integrally connected to the uniform portion (), the conical portion () extending from the junction in such a manner that the thickness thereof gradually decreases from the thickness (d) of the uniform portion () to a predetermined thickness (d); and a damping layer () attached to the conical portion () of the vibration absorber (). 1. A broadband vibration suppression apparatus using an acoustic black hole feature , comprising:a vibration-reduced body comprising a uniform portion of a fixed thickness and a tapered portion integrally connected with the uniform portion, the tapered portion being extended from a junction in a manner that a thickness of the tapered portion gradually decreases from the fixed thickness of the uniform portion to a predetermined thickness, wherein the uniform portion and the tapered portion being integrally connected at the junction; anda damping layer attached to the tapered portion of the vibration-reduced body.2. The apparatus according to claim 1 , wherein the thickness decreasing of the tapered portion follows the following formula:{'br': None, 'i': h', 'x', 'x', ', m≥, 'sup': 'm', '()−ε·2'}wherein x is a coordinate along a direction in which the thickness of the tapered portion gradually decreases, ε is a coefficient, and m is an integer greater than or equal to 2.3. The apparatus according to claim 1 , further comprising a connector attached to a bottom of the uniform portion of the vibration-reduced body claim 1 , so as to connect the vibration-reduced body to a device to be vibration-reduced.4. The apparatus according to claim 3 , wherein the connector is configured to connect the vibration-reduced body to the device to be vibration-reduced by strong glue claim 3 , welding or bolts.5. The apparatus according to claim 1 , wherein the ...

High speed flywheel

This invention relates to a flywheel and method of manufacture thereof wherein the flywheel is capable of operation at very high rotational speed without precise balancing.

INTERNAL BYPASS SHOCK ABSORBER

A shock absorber is provided that includes a shock body and a shaft assembly. The shock body has an inner chamber. The inner chamber is defined by a cylindrical interior surface. At least one groove is formed in the interior surface within at least one select length of the shock body. A piston of the shaft assembly is received within the inner chamber of the shock body. The piston includes valving to allow dampening matter that is received within the inner chamber to pass through the piston to allow the piston to move within the inner chamber. The at least one groove that is formed within the interior surface is configured to allow at least some of the dampening matter to bypass the valving of the piston to allow the piston to move through the at least one select length with less resistance. 1. A shock absorber comprising:a shock body having an inner chamber, the inner chamber defined by a cylindrical interior surface of the shock body, at least one groove formed in the interior surface of the shock body within at least one select length of the shock body; anda piston of a shaft assembly received within the inner chamber of the shock body, the piston including valving to allow dampening matter that is received within the inner chamber to pass through the piston to allow the piston to move within the inner chamber of the shock body, the at least one groove formed within the interior surface being configured to allow at least some of the dampening matter to bypass the valving of the piston to allow the piston to move along the at least one select length of the main shock body including the at least one groove with less resistance than is encountered with the dampening matter only flowing through the valving.2. The shock absorber of claim 1 , wherein the at least one groove forms a helix shape within the interior surface of the inner chamber of the shock body.3. The shock absorber of claim 1 , wherein the at least one groove includes a plurality of spaced grooves that ...

Bar Pin Bushing for Vehicle Suspension

A bar pin bushing assembly for connecting components including a bar pin having at least one end with at least one bore to receive a fastener, the bar pin having a central portion having a diameter that is greater than a width or diameter of the at least one end of the bar pin, a compressible rubber section having a uniform thickness positioned around the central portion of the bar pin, the compressible rubber section further extending around downwardly tapering surfaces adjacent the central portion of the bar pin, a plurality of outer metal shells mold bonded to the compressible rubber section, wherein when the bushing assembly is inserted into a hub, the plurality of outer metal shells are configured to radially compress the compressible rubber section to provide a precompressed bushing assembly. A method of assembling the bar pin bushing assembly is also disclosed. 1. A bar pin bushing assembly for connecting components in a vehicular system , the assembly comprising:a bar pin having at least one end with at least one bore to receive a fastener, the at least one bore extending through the at least one end, the bar pin having a central portion having a diameter that is greater than a width or diameter of the at least one end of the bar pin;a compressible rubber section having a uniform thickness positioned around the central portion of the bar pin, the compressible rubber section further extending around downwardly tapering surfaces adjacent the central portion of the bar pin;a plurality of outer metal shells mold bonded to the compressible rubber section;wherein when the bushing assembly is inserted into a hub or tubular outer metal wall, the plurality of outer metal shells are configured to radially compress the compressible rubber section to provide a precompressed bushing assembly.2. The bar pin bushing assembly of wherein the compressible rubber section is mold bonded to the bar pin.3. The bar pin bushing assembly of wherein each of the plurality of outer ...

FLEXIBLE MODULAR ABSORPTION PANEL AND BLOCK FOR PRODUCING SUCH A PANEL

Disclosed is a panel that is produced by assembling a plurality of adjacent individual absorption blocks; each block in the panel is in the shape of a polyhedral pyramid frustum, of which the base is a regular six-sided polygon; each individual block including six lateral walls surrounded by a lower peripheral lip of which each section is provided with a complementary tenon or a mortise arranged so as to allow two adjacent individual blocks to be assembled, in particular by engagement, in the vertical direction, of a tenon and a mortise belonging respectively to one and the other of the two adjacent individual blocks. 110010100. Flexible modular panel () for absorbing shocks and/or vibrations , which is delimited by a horizontal upper impact surface and a lower parallel opposing surface , and which is produced by assembling a plurality of adjacent individual absorption blocks () , a panel () wherein:{'b': '10', 'each individual block () is in the shape of a polyhedral truncated pyramid, hollow at least in part, the base of which is a regular polygon having n sides;'} [{'b': '12', 'a horizontal upper impact wall ();'}, {'b': 14', '16, 'n contiguous vertical lateral walls () which are interconnected and connected to said upper wall ();'}], 'each individual block is delimited by{'b': 14', '18, 'the n contiguous lateral walls () are surrounded by a lower peripheral lip () which extends horizontally and radially towards the outside;'}{'b': 14', '22', '20', '10', '22', '20', '10, 'each portion of the lower lip extending along a lateral wall () is provided with a tenon () or a mortise () which are complementary to one another and are arranged so as to allow the assembly of two adjacent individual blocks (), in particular by means of interlocking, in the vertical direction, of a tenon () and a mortise () belonging to one and to the other respectively of said two adjacent individual blocks ().'}2182220. Panel according to claim 1 , wherein said polygon is a regular hexagon ...

Shock absorber

A shock absorber includes a damper main body that has a tubular outer shell and a piston rod that advances and retreats freely into and from the outer shell, and that is configured to generate a damping force for suppressing relative movement in an axial direction between the piston rod and the outer shell. The shock absorber includes a tubular dust cover that is connected to the piston rod and is configured to allow the outer shell to advance into an interior thereof and a tubular extension cover that is attached to an outer shell side end of the dust cover in a condition where the outer shell is inserted therein.

CANTED COIL SPRINGS AND ASSEMBLIES AND RELATED METHODS

Canted coil spring rings each with a first plurality of coils having first coil major and minor axes; a second plurality of coils each having second coil major and minor axes; the coils of the first plurality of coils alternating with the coils of the second plurality of coils according to an alternating pattern. The spring rings having inner and outer perimeters and wherein the inner perimeter of the spring ring is defined by at least said first plurality of coils. The resulting configuration of the spring ring has improved spacing along the inner perimeter, among others, with respect to a similar canted coil spring ring having a constant coil cross section, such as a coil length with all similar coils. 120-. (canceled)21. A method of forming a canted coil spring ring , said method comprising the steps: forming a first plurality of coils each having a first coil major axis, a first coil minor axis and a coil center defined by the intersection of said first coil major and minor axes; the plurality of coil centers resulting from said first plurality of coils defining a first centerline;', 'canting each coil of said first plurality of coils along said first centerline;', 'forming a second plurality of coils each having a second coil major axis, a second coil minor axis and a coil center defined by the intersection of said second coil major and minor axes; the plurality of coil centers resulting from said second plurality of coils defining a second centerline;', 'canting each coil of said second plurality of coils along said second centerline;', 'wherein the spring ring comprises an inner perimeter and an outer perimeter with the inner perimeter defined by said first plurality of coils only and the coils of said first plurality of coils and said second plurality of coils are alternated according to an alternating pattern; and, 'forming a spring length having a plurality of coils and a spring length with two ends and joining the two ends to form a spring ring, wherein ...

Linear telescopic actuator

A linear telescopic actuator ( 1 ) comprising: a cylinder ( 2 ); a sliding part ( 3 ); a spring seat ( 4 ); and a first compression spring ( 5 ) capable of resiliently opposing the sliding part ( 3 ) approaching the spring seat ( 4 ). The spring seat ( 4 ) presents an outer annular groove ( 6 ) and the cylinder ( 2 ) includes an inner annular groove ( 7 ), the actuator ( 1 ) also presenting a blocking part ( 8 ), the actuator ( 1 ) being adapted to adopt selectively an assembled configuration and a disassembled configuration, the blocking part ( 8 ) in the assembled configuration being engaged inside the inner and outer annular grooves ( 6, 7 ), and the blocking part ( 8 ) in the disassembled configuration being disengaged from one of the grooves so as to allow spring seat ( 4 ) to slide in the cylinder ( 2 ).

Bar-shaped component loaded in torsion

A torsion spring may be formed as a bar spring or helical spring comprising a spring wire of fiber composite material. In some examples, the torsion spring comprises a number of layers of fiber reinforcement, which are impregnated with a matrix material. The layers may comprise tensile-loaded fibers and compression-loaded fibers. Groups of layers of the same loading direction may exist and, seen from an inside to an outside, the group stiffness of at least two groups may differ. Likewise, methods for making such torsion springs of fiber composite material are disclosed.

METHOD FOR MANUFACTURING A NOZZLE PISTON, PRODUCTION METHOD FOR A DAMPER, NOZZLE PISTON, DAMPER, PRODUCTION PLANT FOR PRODUCING A DAMPER

Provided is a method for the production of a nozzle piston for arrangement in a damping space of a damper, which contains a damping fluid, wherein the piston divides the damping space into a first fluid chamber and a second fluid chamber. Also provided is a production method with the method according to the invention for a damper. Also provided is a nozzle piston for arrangement in a damping space of a damper, which contains a damping fluid, wherein the nozzle piston can be obtained by means of ultra-short pulse lasering of the recess from a piston blank. Also provided is a damper having a nozzle piston according to the invention. Also provided is a production plant for the production of a damper having at least one ultra-short pulse laser station for machining a piston blank for the damper by ultra-short pulse lasering. 1. A method for manufacturing a nozzle piston for arrangement in a damper chamber containing a damper fluid , of a damper , wherein the piston divides the damper chamber into a first fluid chamber and a second fluid chamber , the method comprising at least the following steps:a. producing a piston blank; by machining a piston base material, andb. introducing at least one recess into the piston blank by ultrashort pulse lasering, wherein the recess, upon arrangement of the nozzle piston the damper chamber, defines a nozzle for the damping fluid for adapting the flow impedance for the damping fluid between the first fluid chamber and the second fluid chamber.2. The method according to claim 1 , wherein the introduction by ultrashort pulse lasering;a. is performed at a local piston temperature in a removal region of the nozzle piston, which piston temperature is above a sublimation temperature of a piston base material;b. is performed at a regional piston temperature in a piston region adjoining a removal region of the nozzle piston, which is below a deformation temperature of a piston base material and corresponds to an ambient temperature of an ...

HYDRAULIC MOUNT AND METHOD OF PRODUCING A HYDRAULIC MOUNT

A hydraulic mount is provided and includes: an inner core, a cage that surrounds the inner core, an elastomer body that extends between the inner core and the cage and elastically connects them to each other, and an outer sleeve that encloses the cage. The elastomer body has a first circumferential fluid chamber recess and a second circumferential fluid chamber recess. The first fluid chamber recess and the second fluid chamber recess are each limited in a radially outwards direction by the outer sleeve to form a first fluid chamber and a second fluid chamber. The elastomer body is configured to be substantially undercut-free in an axial direction on its axial end faces. The elastomer body and the cage are configured to be substantially undercut-free in the region of the first fluid chamber recess and the second fluid chamber recess, at least in two predetermined, mutually opposite radial directions. 1. A hydraulic mount , comprising:an inner core;a cage that surrounds the inner core;an elastomer body that extends between the inner core and the cage, and the elastomer body elastically connects the inner core and the cage to each other; andan outer sleeve that encloses the cage,wherein the elastomer body comprises a first circumferential fluid chamber recess and a second circumferential fluid chamber recess,wherein the first fluid chamber recess and the second fluid chamber recess are each limited in a radially outwards direction by the outer sleeve to form a first fluid chamber and a second fluid chamber,wherein the elastomer body is configured so as to be substantially undercut-free in an axial direction on axial end faces of the elastomer body, andwherein the elastomer body and the cage are configured so as to be substantially undercut-free in the region of the first fluid chamber recess and the second fluid chamber recess, at least in two predetermined, mutually opposite radial directions.2. The hydraulic mount according to claim 1 ,wherein the cage has a first ...

CONDENSER, RADIATOR AND FAN MODULE UPPER BRACKET ASSEMBLY WITH UNIVERSAL CARRIER AND OVER-MOLDED AND/OR PRESS FIT ELASTOMERIC ISOLATOR

A modular CRFM upper bracket assembly providing a universal carrier operatively associating an isolator to a bracket. The isolator may be over-molded with the universal carrier or press-fit thereto. The bracket provides a carrier opening with interior threading, while universal carrier provides exterior threading dimensioned and adapted to engage the interior threading, whereby the elevation of the universal carrier, and thus isolator, relative to the bracket is adjustable through selective engagement of the threading. Thereby, the gap between the top of a vibratory object to be isolated and the bottom of isolator is also adjustable, which is advantageous for accommodating different frame tolerance variations and meeting system vibrational requirements. 1. A CRFM upper bracket assembly , comprising:an annular carrier providing exterior threading;an isolator coupled to the carrier; andthe isolator dimensioned and adapted to isolate a vibratory object.2. The CRFM upper bracket assembly of claim 1 , wherein the isolator is coupled to the carrier through over-molding.3. The CRFM upper bracket assembly of claim 1 , wherein the isolator is coupled to the carrier through a press-fit connection.4. The CRFM upper bracket assembly of claim 1 , further comprising a bracket having a carrier opening adapted to selectively engage the exterior treading for operatively associating the isolator with a vibratory object.5. The CRFM upper bracket assembly of claim 1 , further comprising a bracket having a carrier opening providing interior threading dimensioned to selectively engage the exterior treading for operatively associating the isolator with a vibratory object.6. The CRFM upper bracket assembly of claim 1 , further comprisinga metal bracket having a carrier opening providing a snap fit feature; and a carrier ring comprising:a cooperating snap fit feature to associated with said snap fit feature; andan interior threading dimensioned to selectively engage the exterior treading ...

CUSHIONING RUBBER, REACTION FORCE ADJUSTING METHOD THEREOF, AND PEDESTAL

A sheet-shaped cushioning rubber including a planar base portion and a three-dimensional portion formed to rise from the base portion toward one side in a sheet thickness direction, the planar base portion and the three-dimensional portion being alternately provided in one direction of a sheet plane, wherein the three-dimensional portion includes a hollow portion that opens toward the other side in the sheet thickness direction. The three-dimensional portion is integrally provided with a first rising surface that is continuous from the base portion, a top surface, a second rising surface on a side opposite to the first rising surface, and a pair of rising surfaces on both sides in a sheet width direction, and the hollow portion opens only toward the other side in the sheet thickness direction. 1. A sheet-shaped cushioning rubber comprising:a planar base portion and a three-dimensional portion formed to rise from the base portion toward one side in a sheet thickness direction, the planar base portion and the three-dimensional portion being alternately provided in one direction of a sheet plane,wherein:the three-dimensional portion includes a hollow portion that opens toward another side in the sheet thickness direction,the three-dimensional portion is integrally provided with a first rising surface that is continuous from the base portion, a top surface, and a second rising surface on a side opposite to the first rising surface, andthe hollow portion also opens toward both sides in a sheet width direction.23-. (canceled)4. The cushioning rubber according to claim 1 , wherein a reinforcing rib that is connected to the three-dimensional portion and inhibits falling over of the three-dimensional portion is integrally provided on a plane of the base portion.5. The cushioning rubber according to claim 1 , wherein a protrusion used as a mounting margin for the cushioning rubber is integrally provided to protrude in the width direction from an end portion of the cushioning ...

CENTRIFUGAL PENDULUM ABSORBER WITH RADIAL TRAVEL STOP

A centrifugal pendulum absorber, including: a first pendulum mass; a second pendulum mass; a center plate axially located between the first pendulum mass and the second pendulum mass, connected to the first pendulum mass and the second pendulum mass, and arranged to receive rotational torque; a first resilient bumper axially located between the first pendulum mass and the second pendulum mass, and connected to the first pendulum mass and the second pendulum mass; and a first radial travel stop connected to the first pendulum mass or to the second pendulum mass, located radially outward of the first resilient bumper, radially aligned with at least a portion of the first resilient bumper, and free of contact with the first resilient bumper when the centrifugal pendulum absorber is at rest. 1. A centrifugal pendulum absorber , comprising:a first pendulum mass;a second pendulum mass;{'claim-text': ['axially located between the first pendulum mass and the second pendulum mass;', 'connected to the first pendulum mass and the second pendulum mass; and,'], '#text': 'a center plate:'}arranged to receive rotational torque;{'claim-text': ['axially located between the first pendulum mass and the second pendulum mass; and,', 'connected to the first pendulum mass and the second pendulum mass; and,'], '#text': 'a first resilient bumper:'}{'claim-text': ['connected to the first pendulum mass or to the second pendulum mass;', 'located radially outward of the first resilient bumper;', 'radially aligned with at least a portion of the first resilient bumper; and,', 'free of contact with the first resilient bumper when the centrifugal pendulum absorber is at rest.'], '#text': 'a first radial travel stop:'}2. The centrifugal pendulum absorber of claim 1 , wherein:the first radial travel stop is connected to the first pendulum mass and includes a lip integral to the first pendulum mass; or,the first radial travel stop is connected to the second pendulum mass and includes a lip integral to ...

SPRING WIRE ENDS TO FACILIATE WELDING

Spring rings and closed wire loops each can have two ends that are connected. The connected ends can be welded. The connected ends can be aligned for welding by incorporating complementary surfaces so that when joined, the tip at the first end mate to the tip at the second end. The mating can be self-aligning spatially and radially. The spring rings and the closed wire loops can be used in many applications, including in connector applications and seal applications. 1. A metallic spring ring comprising:a spring length having a spring body with a plurality of interconnected coils or interconnected V-bodies and a first end connected to a second end to form a closed loop, said second end being on an end of the spring body opposite the first end;wherein the first end comprises a first tip and the second end comprises a second tip, andwherein the first tip and the second tip have complementary surfaces for aligning the two ends along a first direction and along at least one radial direction relative to the first direction.2. The metallic spring ring of claim 1 , wherein the first tip comprises a male projection and the second tip comprises a counterpart female receiving end.3. The metallic spring ring of claim 1 , wherein the complementary surfaces comprises an abutting surface on the first tip contacting an abutting surface on the second tip for spatial alignment and a radial surface on the first tip contacting a radial surface on the second tip for radial alignment along at least one direction.4. The metallic spring ring of claim 1 , wherein the complementary surfaces of the first tip and the second tip are self-aligning.5. The metallic spring ring of claim 1 , wherein the complementary surfaces are at least one of a cone and a counterpart female receiving end claim 1 , a flat tip and a counterpart female receiving end claim 1 , a tongue and a groove claim 1 , a dovetail and a counterpart female receiving end claim 1 , an extended portion with a radial portion and an ...

MASS-OPTIMIZED FORCE ATTENUATION SYSTEM AND METHOD

A force-attenuating system that is interposed between an exterior surface and an interior surface, either or both of which may be subjected to percussive forces. The system has a ceiling that is positioned proximate the exterior surface and one or more inverted hat-shaped force-attenuating units with sidewalls extending inwardly convergingly away from the ceiling. Some of the units have a floor that is positioned proximate the interior surface. Optionally the force-attenuating units may be configured as clover-leaf structures with a central region and hemi-pear-shaped lobes extending therefrom. Within the lobes is a floor that is positioned proximate the interior surface. The force-attenuating system may be deployed in an automotive or non-automotive environment. 1. A force-attenuating system that is interposed between an exterior surface and an interior surface , either or both of which may be subjected to percussive forces , the system comprising:a. a ceiling that is positioned proximate the exterior surface;b. one or more inverted hat-shaped force-attenuating units with sidewalls extending inwardly convergingly away from the ceiling, at least some of the units having a floor;c. a number (U) of upper sound-deadening structures positioned between the ceiling of at least one force-attenuating unit and the exterior surface, where 0<=U<1000;d. a number (L) of lower sound-deadening structures positioned between the floor of at least one force-attenuating unit and the interior surface, where 0<=L<1000;e. a number (A) of apertures defined in the floor of at least one force-attenuating unit, where 0<=A<100; andf. lower means for adhering the floor of at least one force-attenuating unit to the interior surface, the means for adhering optionally extending at least partially through at least some of the apertures.2. The force-attenuating system of claim 1 , wherein the exterior surface includes a vehicular exterior surface.3. The force-attenuating system of claim 1 , wherein ...

Vibration damper for vehicles, a piston rod and a method for fixing a working piston on a piston rod of a vibration damper

A vibration damper may include a damper tube filled at least partially with damping liquid. A piston rod is movable to and fro in the damper tube. A working piston is movable with the piston rod by way of which working piston an interior space of the damper tube is divided into two spaces. The vibration damper may have a wedge element and a bracing element, and the piston rod may have a wedge element recess for partially receiving the wedge element. The wedge element may be arranged in the at least one wedge element recess in a braced state, and the at least one bracing element may be connected to the working piston such that the bracing element braces the working piston with respect to the piston rod via the wedge element arranged in the element recess.

OSCILLATION DAMPER, A DAMPER INNER PIPE, A DAMPER OUTER PIPE AND A METHOD FOR PRODUCING A DOUBLE PIPE OF AN OSCILLATION DAMPER

An oscillation damper includes a damper inner pipe with a damper inner pipe wall thickness and a damper inner pipe outer wall. A piston rod and piston are reciprocally movable in the damper inner pipe. The damper inner pipe is divided into a piston-rod-side operating space and an operating space remote from the piston rod. A damper outer pipe has a damper outer pipe wall thickness and a damper outer pipe inner wall. The damper outer pipe is arranged around the damper inner pipe and the damper outer pipe is fluidly connected to the damper inner pipe at the side of the operating space remote from the piston rod. The oscillation damper includes support elements arranged between the damper outer pipe inner wall and the damper inner pipe outer wall wherein the damper inner pipe is at least partially supported with respect to the damper outer pipe. 1. An oscillation damper , comprising: a damper inner pipe wall thickness,', 'a damper inner pipe outer wall,', 'the damper inner pipe configured to reciprocally receive a piston rod and a working piston by means of which an inner space of the damper inner pipe is divided into a piston-rod-side operating space and an operating space remote from the piston rod,, 'a damper inner pipe which is at least partially filled with a damping fluid, the damper inner pipe including a damper outer pipe wall thickness, and', 'a damper outer pipe inner wall,', 'wherein the damper outer pipe is arranged around the damper inner pipe and is fluidly connected to the damper inner pipe at least at an end of the damper inner pipe at a side of the operating space remote from the piston rod, and, 'a damper outer pipe, includinga plurality of support elements arranged between the damper outer pipe inner wall and the damper inner pipe outer wall and configured such that the damper inner pipe is at least partially supported with respect to the damper outer pipe.2. The oscillation damper of claim 1 , wherein the damper inner pipe is arranged coaxially ...

HYDRAULIC ENGINE MOUNT

A hydraulic engine mount is provided in which related components out of two or more internal parts are coupled to reduce the number of components and to prevent oil leakage occurring due to coupling of the parts. The hydraulic engine mount includes a core that has a central bolt inserted into a central portion thereof, a rubber member formed on an outer circumferential surface of the core, upper and lower fluid chambers to seal a fluid therein. A diaphragm is disposed at a lower end of the lower fluid chamber and an orifice assembly divides the upper and lower fluid chambers from each other and has nozzle upper and lower plates. A nozzle upper plate-combined case that has a flow path is formed integrally with a lower part of the rubber member, and a lower part of the flow path is hermetically sealed by the nozzle lower plate. 1. A hydraulic engine mount , comprising:a core having a central bolt engaged with an engine and inserted into a central portion of the core, and a rubber member formed on an outer circumferential surface of the core, the core and the rubber member being disposed in a bracket housing;an upper fluid chamber that contacts the core and the rubber member to seal a fluid therein;a lower fluid chamber disposed under the upper fluid chamber to seal the fluid therein;a diaphragm disposed at a lower end of the lower fluid chamber; andan orifice assembly that divides the upper fluid chamber and the lower fluid chamber from each other and includes a nozzle upper plate and a lower upper plate,wherein a nozzle upper plate-combined case having a flow path formed therein is formed integrally with a lower part of the rubber member, and a lower part of the flow path is hermetically sealed by the nozzle lower plate disposed under the flow path.2. The hydraulic engine mount according to claim 1 , wherein the nozzle upper plate-combined case is formed through metal pressing using steel and aluminum or injection molding using aluminum and synthetic resin.3. The ...

DYNAMIC DAMPER, VIBRATION ISOLATOR, AND METHOD FOR MANUFACTURING MAGNETIC VISCOUS ELASTOMER

This dynamic damper is provided with a movable part that can be moved by external input, and an excitation coil for generating a magnetic field of an intensity corresponding to a supplied electric current. The movable part is configured to include: first and second magnetic cores in which magnetic paths, which are pathways for the magnetic field generated by the excitation coil, are configured as annular closed magnetic paths; and a magnetic viscous elastomer of which the viscous properties change in accordance with the size of the magnetic field generated by the excitation coil. The magnetic viscous elastomer is arranged so as link at least one location in the first and second magnetic cores and constitutes a closed magnetic path. 1. A dynamic damper comprising:a housing made of non-magnetic material;a movable part movable in response to an external input force;an exciting coil that generates a magnetic field having an intensity corresponding to a current supplied thereto;a magnetic viscoelastic elastomer having a magnetic viscoelastic property controlled in accordance with a magnitude of magnetic field generated by the exciting coil;a plurality of magnetic members forming a magnetic path transmitting the magnetic field generated by the exciting coil as an annular closed magnetic circuit,wherein the movable parts includes at least one of a plurality of the magnetic members; andwherein the magnetic viscoelastic elastomer is disposed to form the closed magnetic circuit by connecting one of the magnetic members forming the movable part to another one of the magnetic members.2. The dynamic damper as claimed in claim 1 , wherein a plurality of the magnetic members comprise a first magnetic core and a second magnetic core that form the movable part;wherein the magnetic viscoelastic elastomer is connected between the first magnetic core and the second magnetic core in a direction perpendicular to a movable direction; andwherein the magnetic viscoelastic elastomer includes ...

METHOD FOR MANUFACTURING VIBRATION DAMPING DEVICE

Provided is a method for manufacturing a vibration damping device including sealing liquid (L) in a liquid chamber () of a vibration damping device main body () having the liquid chamber () in which the liquid (L) is sealed, and an injection port () through which the liquid (L) is injected into the liquid chamber (). In a state where a nozzle () spouting the liquid (L) is thrust into the injection port () and an inside of a decompression container () having the vibration damping device main body () disposed therein is decompressed, the liquid (L) is injected into the liquid chamber () through the nozzle (), and air inside the liquid chamber () is discharged through an air discharge port () which is formed in the vibration damping device main body () and communicates with the liquid chamber (). 1. A method for manufacturing a vibration damping device comprising:sealing liquid in a liquid chamber of a vibration damping device main body having the liquid chamber in which the liquid is sealed, and an injection port through which the liquid is injected into the liquid chamber,wherein in a state where a nozzle spouting the liquid is thrust into the injection port and an inside of a decompression container having the vibration damping device main body disposed therein is decompressed, the liquid is injected into the liquid chamber through the nozzle, and air inside the liquid chamber is discharged through an air discharge port which is formed in the vibration damping device main body and communicates with the liquid chamber.2. The method for manufacturing a vibration damping device according to claim 1 ,wherein the nozzle has a diameter smaller than a diameter of the injection port, andwherein the air discharge port is a clearance provided between an outer circumferential surface of the nozzle thrust into the injection port and an inner circumferential surface of the injection port.3. The method for manufacturing a vibration damping device according to claim 1 ,wherein ...

HYDRAULIC BODY MOUNT

A hydraulic body mount with a combined rubber cushion and a hydraulic module may include an inner shaft, a mounting plate, a mounting bracket, a main rubber element, an inner ring, a fluid track, an upper bellows, a washer, a lower bellows, an outer can, a rate plate, a lower bushing, a crash washer, a doubler plate, and a retainer bracket. The fluid track may be configured to receive a fluid via a fluid port. The upper and/or lower bellows may be configured to interact with the fluid. The rate plate may be configured to engage the lower bushing and may be deformed when receiving the at least a portion of the inner shaft. 1. A hydraulic body mount assembly , the assembly comprising:an inner shaft;a plate secured to the inner shaft;a main rubber element formed about at least a portion of the inner shaft, plate, and a mounting bracket;an upper bellows formed about a fluid track, the upper bellows configured to engage the inner shaft;a lower bellows configured to engage the inner shaft and the fluid track;an outer can including a lower bushing and a rate plate, wherein the lower bushing and the rate plate is configured to receive the inner shaft, mounting bracket, upper bellows, fluid track, and lower bellows; anda retainer bracket that secures a crash washer to the lower bushing via the inner shaft.2. The hydraulic body mount assembly of claim 1 , wherein the rate plate includes a plurality of members joined by at least one frangible element.3. The hydraulic body mount assembly of claim 1 , wherein the rate plate is configured at least partially encapsulated within the lower bushing.4. The hydraulic body mount assembly of claim 3 , wherein the rate plate is configured to at least partially deform upon insertion of the inner shaft into the lower bushing and the rate plate.5. The hydraulic body mount assembly of claim 1 , wherein at least a portion of at least one of the inner shaft claim 1 , the plate claim 1 , the mounting bracket claim 1 , the first inner ring claim ...

HYDRAULIC ENGINE MOUNT

Methods and systems are provided for manufacturing a hydraulic engine mount. During assembly, one or more gel caps may be inserted into a chamber of the engine mount, the chamber is then filled with a fluid and sealed to allow the gel caps to dissolve. Upon dissolving, the gel caps may release air bubbles to reduce pressure differentials across the engine mount to reduce occurrence of cavitation and NVH issues. 1. A method for manufacturing a hydraulic engine mount , comprising:inserting air filled dissolving caps into a chamber below a main rubber element; andfilling the chamber with a fluid and sealing the chamber.2. The method of claim 1 , wherein the chamber is permanently sealed.3. The method of claim 2 , wherein the fluid comprises glycol.4. The method of claim 1 , wherein a size of the dissolving caps is selected based on a predicted powertrain mass coupled with the mount when assembled in a vehicle.5. The method of claim 1 , wherein the size is selected based on a mass of the engine.6. The method of claim 1 , wherein the chamber is formed by the main rubber element and is positioned above both an upper channel plate and a lower channel plate.7. The method of claim 6 , wherein the main rubber element is below and in direct contact with an engine side insert.8. The method of claim 7 , wherein the cap is placed in direct contact with the upper channel plate.9. The method of claim 8 , wherein the main rubber element has fluid in direct contact therewith.10. The method of claim 9 , wherein a bellow is positioned below a lower channel plate.11. The method of claim 10 , further comprising forming encapsulated air globules in the fluid without utilizing a special fixture applying a preload of a certain displacement to the mount while injecting the glycol into an inertia track.12. The method of claim 11 , wherein the mount further has a travel limiter above the main rubber element.13. A product line claim 11 , comprising:a first mount with an air filled dissolving ...

Damping Valve For A Vibration Damper

A damping valve includes a damping valve body with at least one through-channel, the outlet cross section of which is at least partially covered by at least one valve disk. The at least one valve disk is preloaded by at least two star springs. Each star spring has a support ring and a quantity of radial spring arms. The support rings lie one on top of the other in the installed position. The star springs are layered in opposite orientation such that the spring arms of at least two adjacent star springs face in the same direction with respect to the valve disk, and this star spring package has an anti-rotation element in an assembled position. 113.-. (canceled)14. A damping valve comprising:a damping valve body comprising at least one through-channel having an outlet cross section;at least one valve disk at least partially covering the outlet cross section;at least two star springs constructed to preload the at least one valve disk, each of the at least two star springs comprising a support ring and a plurality of radial spring arms; the support rings disposed on top of each other in the installed position;the star springs being layered in the same orientation such that the spring arms of at least two adjacent star springs are facing in the same direction with respect to the valve disk; andan anti-rotation element preventing the adjacent star springs from rotating with respect to each other in an assembled position.15. The damping valve according to claim 14 , wherein the anti-rotation element is formed by at least one weld.16. The damping valve according to claim 15 , wherein the weld is a resistance weld.17. The damping valve according to claim 14 , wherein the star springs comprise at least one access opening which is at least partially covered with a supporting ring by an adjacent star spring.18. The damping valve according to claim 15 , wherein the weld is a laser weld.19. The damping valve according to claim 14 , wherein the anti-rotation element is connected ...

DAMPING COMPONENT WITH NON-NEWTONIAN INSERT

A damping component, which is suitable for vehicle applications, includes at least one body portion made of a first material, and at least one insert portion made of a second material at least partially disposed or embedded within the at least one body portion. The second material may include a non-Newtonian material. 1. A damping component for a vehicle , comprising:at least one body portion comprised of a first material; andat least one insert portion comprised of a second material at least partially disposed or embedded within the at least one body portion;wherein the second material includes a non-Newtonian material.2. The damping component of claim 1 , wherein the damping component is a jounce bumper.3. The damping component of claim 1 , wherein the damping component is a cradle mount.4. The damping component of claim 1 , wherein the damping component is a spring aid.5. The damping component of claim 1 , wherein the damping component is an upper body mount.6. The damping component of claim 1 , wherein the damping component is a lower body mount.7. The damping component of claim 1 , wherein the first material comprises microcellular polyurethane.8. The damping component of claim 1 , wherein the first material is different than the second material.9. The damping component of claim 1 , wherein the at least one insert portion includes a plurality of arc-shaped insert portions.10. The damping component of claim 1 , wherein the at least one insert portion includes at least two insert portions.11. The damping component of claim 1 , wherein the at least one body portion includes a first body portion and a second body portion; the at least one insert portion includes a first insert portion and a second insert portion; the first insert portion is disposed in the first body portion; and the second insert portion is disposed in the second body portion.12. The damping component of claim 1 , wherein the at least one body portion defines a channel.13. The damping component of ...

A DAMPER UNIT, A DAMPER ASSEMBLY, METHODS OF MAKING A DAMPER UNIT AND A DAMPER ASSEMBLY

A damper unit for use in a vibration-reducing assembly for a steering wheel is disclosed. An elastomeric damper element is molded on an inner sleeve and includes a plurality of elastomeric ribs forming a radially outer engagement surface, and a plurality of elastomeric support studs, which are mutually spaced in a circumferential direction are flexible in all directions transverse to said axis. Methods for making a damper unit and a damper assembly are also disclosed. 131.-. (canceled)32. A damper unit for use in a frequency-tuned vibration damper assembly for a steering wheel , said damper unit having an insertion end and an opposite rear end , and being configured to be inserted with the insertion end of the damper unit through a mounting opening provided in a horn plate of said damper assembly , a sleeve having a central bore extending along an axis, and', 'an elastomeric damper element which is molded on a radial outer side of the sleeve such that the sleeve and the damper element together form a unitary structure,, 'said damper unit comprisingwherein:the elastomeric damper element includes an elastomeric insertion part configured to be inserted into the mounting opening of the horn plate, and an elastomeric support part configured to define a final mounting position of the damper unit,the elastomeric insertion part includes a plurality of elastomeric ribs which extend at least partially along said axis and are mutually spaced in a circumferential direction in relation to said axis, said ribs together forming a radially outer engagement surface configured to be brought into direct engagement with an inner surface of said mounting opening,the radially outer engagement surface has a first radial dimension, and the elastomeric support part has a second radial dimension, larger than said first radial dimension,at least some of the elastomeric ribs present a radially outward extending snap-lock protrusion configured to be inserted through the mounting opening to snap ...

BALANCER DEVICE FOR INTERNAL COMBUSTION ENGINE AND ITS ASSEMBLY METHOD

A balancer device for an internal combustion engine includes upper and lower housings made of aluminum alloy. The upper housing includes a leg part fixed to the engine. The lower housing is coupled to the upper housing by tightening bolts. A pair of balancer shafts are rotatably supported by the upper and lower housings. A positioning pin is disposed at a distal end portion of the leg part for positioning the upper housing with respect to the engine by positional correspondence to a positioning hole of the engine when the tightening bolts are tightened. The leg part is inclined outwardly with respect to a body of the upper housing such that a distal end of the positioning pin is located outside of a proximal end of the leg part with respect to the body of the upper housing when the tightening bolts are loosened. 1. A balancer device for an internal combustion engine , the balancer device comprising:an upper housing including a plurality of leg parts configured to be fixed to the internal combustion engine, wherein the upper housing is made of aluminum alloy;a lower housing configured to be coupled to the upper housing by a plurality of tightening bolts, wherein the lower housing is made of aluminum alloy;a pair of balancer shafts disposed in an internal space formed between the upper housing and the lower housing, and rotatably supported through bearings with respect to the upper housing and the lower housing; anda positioning pin disposed at a distal end portion of a corresponding one of the leg parts, and configured to extend longitudinally of the corresponding leg part, and position the upper housing with respect to the internal combustion engine by positional correspondence to a positioning hole of the internal combustion engine under a first condition that the tightening bolts are tightened to couple the lower housing to the upper housing;wherein the corresponding leg part is inclined outwardly with respect to a body of the upper housing such that a distal end ...

DEVICE FOR MANUFACTURING COIL SPRING AND METHOD FOR MANUFACTURING COIL SPRING

The coil spring manufacturing device includes a first continuous material mounting portion, a second continuous material mounting portion, a straightener, a cutter, a short material mounting portion, and a coiling machine. The material reeled out from a first continuous material or a second continuous material is cut by the cutter. The coil spring manufacturing device can switch a process among a first continuous material coiling process of manufacturing a coil spring by using the first continuous material, a second continuous material coiling process of manufacturing a coil spring by using the second continuous material, and a short material coiling process of manufacturing a coil spring by using the short material. 1. A coil spring manufacturing device comprising:a coiling machine;a continuous material feed portion which supplies a material reeled out from a continuous material wound like a hoop to the coiling machine;a straightener which is disposed between the continuous material feed portion and the coiling machine, and is configured to correct the material reeled out from the continuous material to be straight;a cutter which is disposed at a downstream side of a movement direction of the material with respect to the straightener, and is configured to cut the material;a short material mounting portion on which a short material cut to a predetermined length is mounted; andguide means for supplying the material reeled out from the continuous material feed portion or the short material taken out from the short material mounting portion to the coiling machine.2. The coil spring manufacturing device of claim 1 , wherein the continuous material feed portion includes a first continuous material mounting portion on which a first continuous material composed of the material wound like a hoop is mounted claim 1 , and a second continuous material mounting portion on which a second continuous material composed of the material wound like a hoop is mounted.3. The coil spring ...

TELESCOPIC DEVICE

A telescopic device having a housing and a rod is slidably mounted within a bore of the housing. First and second bearings provide sliding engagement between the rod and the housing. The first bearing is mounted relatively close to the open end of the bore and the second bearing is mounted relatively far from the open end of the bore relative to the first bearing. The second bearing is annular in shape with a central axis, the bearing has a radially outer mounting surface of arcuate cross-section and a radially inner bearing surface for sliding engagement with an outer surface of the rod and wherein the inner sidewall is provided with an annular groove having a second mounting surface of arcuate cross-section to house and retain the second bearing. 1. A telescopic device comprising:a housing having an inner side wall surface defining a bore with an open end;a rod having an end slidably mounted within the bore to linearly move relative to the housing along a longitudinal axis between an extended position, where the telescopic device is relatively long, and a retracted position, where the telescopic device is relatively short; anda first bearing and a second bearing each defining a respective bearing surface arranged to provide sliding engagement between the rod and the housing, the first bearing being mounted relatively close to the open end of the bore and the second bearing being mounted relatively far from the open end of the bore relative to the first bearing,wherein the second bearing is annular in shape with a central axis and has a radially outer bearing mounting surface of arcuate cross-section and a radially inner bearing surface for sliding engagement with an outer surface of the rod and wherein the inner sidewall surface is provided with an annular groove defining a groove mounting surface of arcuate cross-section to house and retain the second bearing.2. The telescopic device according to claim 1 , wherein the annular groove and/or mounting surfaces each ...

HIGH THERMAL RESISTANCE SYNTHETIC RUBBER AND HIGH SPECIFIC GRAVITY COMPOUND FOR WHEEL BALANCE WEIGHT USING THE SAME

The present invention relates to high thermal resistance synthetic rubber and a compound for a wheel balance weight using the same. In some aspects, the high specific gravity compound for the wheel balance weight has excellent curve adhesive strength and is capable of being cut and used as needed. Provided herein is a method of forming a high thermal resistance elastic body synthetic rubber. The method includes blending acrylic rubber and fluoro rubber. A wheel balance weight having a high specific gravity elastic body can be formed by using the high thermal resistance synthetic rubber described herein as a base polymer and a metal powder. 1. High thermal resistance synthetic rubber having from about 0.3 phr to 99.7 phr of fluoro rubber and from about 99.7 phr to 0.3 phr of acrylic rubber directly mutually vulcanized and blended.2. The high thermal resistance synthetic rubber of claim 1 , wherein the fluoro rubber is a polymer of 6-fluorinated propylene claim 1 , or a copolymer of the 6-fluorinated propylene and one or more monomers selected from the group consisting of fluorinated vinylidene and 4-fluorinated ethylene.3. The high thermal resistance synthetic rubber of claim 2 , wherein the 6-fluorinated propylene in from about 50 phr to 100 phr.4. The high thermal resistance synthetic rubber of claim 2 , wherein the fluoro rubber further comprises from about 20 mol % to 40 mol % of a vinyl monomer.5. The high thermal resistance synthetic rubber of claim 1 , wherein the acrylic rubber comprises acrylic acid ester claim 1 , and further comprises a copolymerizable monomer comprising at least one crosslinking component selected from a crosslinking hydroxyl group and a crosslinking chlorine atom.6. The high thermal resistance synthetic rubber of claim 5 , wherein the acrylic rubber further comprises a vinyl monomer copolymerizable with the acrylic acid ester.7. A high specific gravity compound for a wheel balance weight employing a high thermal resistance synthetic ...

ENERGY ABSORBER WITH ANTI-BSR ACCESSORY

An energy absorber includes a base sheet and a plurality of energy absorbing units with end walls and associated leaf spring or helicoid accessories extending from the base sheet. The accessories reduce buzzes, squeaks and rattles associated with an environment of use. In one embodiment, the leaf springs are defined by slits in a domed portion of the end walls. In another embodiment, the helicoid is formed by for example a milling step performed on an end wall. The side walls buckle or bend after absorbing energy. Methods related to the above are also described. 1. A vibration-reducing energy absorber for positioning between an outer surface that receives an impact and a lower surface to be protected from impacting forces , the absorber comprising:a base sheet anda plurality of energy absorbing units extending from the base sheet, each energy absorbing unit including an end wall and a side wall that absorbs energy by bending or buckling after being impacted, whereinthe end wall includes a number (X) of accessories for reducing vibration associated with buzzes, squeaks and/or rattles, where 0<=X<1000 and the accessory is selected from the group consisting of a helicoid and a leaf spring.2. The energy absorber defined in claim 1 , the accessories being selected from the group consisting of upwardly extending leaf springs and helicoids.3. The energy absorber defined in claim 2 , further includinga domed portion of the end wall including one or more breaches,the domed portion including at least a part of a hemisphere characterized by imaginary lines of longitude that extend from the polar portion of the domed portion and imaginary lines of latitude that extend orthogonally thereto, the breaches being parallel or inclined to at least some of the lines of longitude.4. The energy absorber defined in claim 3 , further including one or more latitudinally oriented breaches that extend from a distal end of at least some of the longitudinal breaches.5. The energy absorber ...

Multiple stage air shock

Disclosed herein is a process suitable for constructing a multiple stage air shock. The multiple stage air shock is unique among shocks in that the multiple stage design possesses qualities not available to other shock absorbers. The process includes a means for determining the compressed and extended lengths of the air shock based on the lengths of the parts for each stage. This means refers to one methodology and offers the air shock an extended length that is greater than twice its compressed length, an optimized extended length, and a construction capability based on adding stages. In particular, the extended length-compressed length relationship is a quality inherently unobtainable by current shock absorbers. The process also includes a means of determining the spring rate. This means refers to a second methodology and offers the capability to both set-up the air shock with a relatively linear spring rate and make the relatively linear spring rate more linear. 1. A multiple stage air shock comprising a dual function shaft cylinder-like structure with a dual function shaft closed end and a dual function shaft open end,', 'a dual function shaft working piston an attached to the dual function shaft closed end,', 'a dual function shaft end cap configured as a seal attached to the dual function shaft open end, and', 'a dual function shaft cell in the dual function shaft cylinder-like structure between the dual function shaft closed end and the dual function shaft open end, the dual function shaft cell housing a dual function shaft cell gas and a dual function shaft cell oil;, 'a plurality of dual function shafts, each dual function shaft having'} a first stage cylinder-like structure with a first stage closed end with an attached eyelet and', 'a first stage open end with a first stage end cap configured as a seal, and', 'a first stage cell in the first stage cylinder-like structure of the first stage working tube between the first stage closed end and the first ...

Apparatus for Stabilizing Movements of Two Elements That are Movable Relative to One Another

An apparatus for stabilizing movements of two elements of a body joint and/or of a piece of sports equipment that are movable relative to one another, the apparatus comprising: a receptacle fixable to a first element, the receptacle being filled with a filling medium and the receptacle comprising a receiving opening, and an interaction element, which is fixable to a second element and is displaceable received at least in part in the receptacle and extends through the receiving opening, the part of the interaction element that is situated in the receptacle being able to interact with the filling medium. The receptacle comprises a first attachment element for transmitting force between the receptacle and the first body, and the interaction body comprising a second attachment element for transmitting force between the interaction body and the second body, the first attachment element comprising at least one protrusion, which extends from a longitudinal axis of the apparatus, in order provide an attachment surface for fixing the first body. 21. The device as claimed in , wherein the first connection element is arranged in the region of the receiving opening for the transfer of force between the receptacle and the first body.3. The device as claimed in claim 2 , wherein the first connection element isinserted in the receiving opening or placed on the receiving opening and at least partially closes off a receiving space with respect to the surroundings.4. The device as claimed in claim 2 , wherein the first connection element at least partially closes off a receiving space of the receptacle with respect to the surroundings.5. The device as claimed in claim 1 , wherein the first connection element extends substantially perpendicularly from a relative movement direction (R) of the device in order to provide a connection surface for fixing to the first body.6. The device as claimed claim 1 , wherein the first connection element is configured to transfer forces of at least ...

Extension For A Shock Absorber

Extension for a cylinder of a vibration damper comprising a base and a tube portion adjoining the latter. The base and the tube portion are formed in one piece. The tube portion has a circumferential bend pleat with respect to the base.

ANTI-VIBRATION APPARATUS AND METHOD OF MANUFACTURING ANTI-VIBRATION APPARATUS

An anti-vibration apparatus () has a bracket () that is mounted at a vehicle body () (i.e., one of a vibration-generating portion or a vibration-receiving portion), a mounting portion () that is mounted at an engine () (i.e. the other one of the vibration-generating portion or the vibration-receiving portion), an elastic body () that is provided at the mounting portion () and is press-inserted into the bracket (), and that is interposed between the bracket () and the mounting portion (), an auxiliary elastic portion () that is provided at the mounting portion (), and extends in a press-insertion direction of the elastic body (), a threaded component () (i.e., the connector portion ()) that is provided at the auxiliary elastic portion (), and a connection-receiving portion () that is provided at the bracket (), and to which the connector portion () is connected. 1. An anti-vibration apparatus , comprising:a bracket that is mounted at one of a vibration-generating portion or a vibration-receiving portion;a mounting portion that is mounted at the other one of the vibration-generating portion or the vibration-receiving portion;an elastic body that is provided at the mounting portion and is press-inserted into the bracket, and that is interposed between the bracket and the mounting portion;an auxiliary elastic portion that is provided at the mounting portion, and that extends in a press-insertion direction of the elastic body;a connector portion that is provided at the auxiliary elastic portion; anda connection-receiving portion that is provided at the bracket, and to which the connector portion is connected.2. The anti-vibration apparatus according to claim 1 , wherein:a recessed portion that opens towards a front side in the press-insertion direction is disposed at the mounting portion, andthe auxiliary elastic portion is disposed inside the recessed portion.3. The anti-vibration apparatus according to claim 2 , wherein the auxiliary elastic portion is separated from ...

STABILIZER BAR ADHESIVE MOUNT FOR A VEHICLE STABILIZER BAR, VEHICLE STABILIZER BAR HAVING A STABILIZER BAR ADHESIVE MOUNT, AND METHOD FOR FORMING A STABILIZER BAR ADHESIVE MOUNT ON A VEHICLE STABILIZER BAR

A stabilizer adhesive bearing for a vehicle stabilizer may comprise an annular sleeve having a resilient inner contour for coaxial arrangement on the vehicle stabilizer. The resilient inner contour of the annular sleeve may comprise on a side facing the vehicle stabilizer a three-dimensionally structured surface with an adhesive receiving volume. The three-dimensionally structured surface has a maximum roughness depth (R) greater than 45 μm and a core roughness depth (R) of at least 65% relative to the maximum roughness depth (R) of the three-dimensionally structured surface. The maximum roughness depth (R) is a total of the reduced tip height (R) and the reduced groove depth (R). Further, the reduced tip height (R), the reduced groove depth (R), and the core roughness depth (R) may be determined in accordance with EN ISO 13565-2: December 1997. 110.-. (canceled)11. A stabilizer adhesive bearing for a vehicle stabilizer , the stabilizer adhesive bearing comprising an annular sleeve having a resilient inner contour for coaxial arrangement on the vehicle stabilizer , wherein the resilient inner contour comprises on a side facing the vehicle stabilizer a three-dimensionally structured surface with an adhesive receiving volume , wherein the three-dimensionally structured surface has a maximum roughness depth greater than 45 μm and a core roughness depth of at least 65% relative to the maximum roughness depth of the three-dimensionally structured surface , wherein the maximum roughness depth is a total of a reduced tip height and a reduced groove depth , wherein the reduced tip height , the reduced groove depth , and the core roughness depth are determined in accordance with EN ISO 13565-2: December 1997.12. The stabilizer adhesive bearing of wherein the annular sleeve comprises in a longitudinal direction of the vehicle stabilizer a first sealing element that is disposed at a first end of the annular sleeve and a second sealing element that is disposed at a second end ...

SHOCK ABSORBING FOOT PIECE FOR SMALL APPARATUS

Disclosed herein are shock absorbing foot pieces configured to be attached to an apparatus and to absorb the weight of the attached apparatus and any impact caused by the normal usage of the apparatus. In one or more embodiments, the shock absorbing foot pieces comprise multiple elements including a biasing spring and that are configured as a unitary piece. 1. A shock absorbing foot piece comprising:a hollow cylindrical body member extending along a longitudinal axis having a top end and a bottom end and enclosing a body member interior space;a top cap element having an outer portion and an inner portion opposite the outer portion, wherein the outer portion is affixed to the top end of the cylindrical body member along the circumference of the cylindrical body member and wherein the top cap extends inwardly from the outer portion to the inner portion and toward the longitudinal axis a distance that is less than the radius of the cylindrical body member, forming a top throughhole;a bottom cap element having an outer portion and an inner portion opposite the outer portion, wherein the outer portion is affixed to the bottom end of the cylindrical body member along the circumference of the cylindrical body member and wherein the bottom cap extends inwardly from the outer portion to the inner portion and toward the longitudinal axis a distance that is less than the radius of the cylindrical body member, forming a bottom throughhole;a biasing spring element located in the body member interior space having a top end and a bottom end;a cylindrical plunging rod having a top end and a bottom end and extending through the top throughhole along the longitudinal axis;and a plunging rod flange affixed to the bottom end of the cylindrical plunging rod and extending approximately orthogonally to the longitudinal axis, wherein the plunging rod flange is dimensioned so as to have a larger diameter than the top throughhole,wherein the plunging rod flange is located between the top cap ...

FRICTION DAMPED INSERT FOR HIGHLY STRESSED ENGINEERING COMPONENTS

A friction damped insert for highly stressed engineering components is disclosed. The disclosed inventive concept provides a method and system for increasing the damping capacity of an engineering system by adding a non-flat solid, highly damped insert to a system component that contributes most to the system's dynamic response. The insert can either be embedded into a system component during casting or be fastened to the system component outer surface. The insert is made of the single layer of flexible material by forming it into a rigid elongated body. The layer of material can be turned over on itself without folding to create a cylinder or can be folded over a number of times to create a prismatic bar. The layer of material may be shaped into a corrugated panel. The layer of flexible material may have a number of relatively small openings or perforations with a uniform spatial distribution. 120- (canceled)21. A method for forming a damped component , the method comprising:forming a friction damped insert associated with said component body, said friction damped insert being formed from at least one portion of a sheet of flexible material, said sheet of flexible material having first and second sides, said sheet of flexible material being folded over itself whereby a portion of said first side contacts a portion of said second side forming a non-flat elongated body; forming a component to be damped; and attaching said friction damped insert to said component to be damped.22. The method for forming the damped component of claim 21 , including forming perforations in said sheet of flexible material.23. The method for forming the damped component of claim 22 , including forming a component mold claim 22 , positioning said friction damped insert in said mold claim 22 , and introducing a molten component bulk material into said mold to surround said friction damped insert and to infuse a portion of said molten component bulk material into said perforations.24. The ...

MECHANISM FOR EXCHANGING COMPLIANT MEMBERS OF VIBRATING SCREENS

An apparatus for use in replacing a compliant member of a vibratory screen assembly. In supporting the vibratory screen assembly, the compliant member is compressed between a screen base and a contact plate that is mounted on a screen frame of the vibratory screen assembly and potential energy is stored by the compliant member as a result of the compression. The apparatus includes an exchanging plate and connectors that hold the exchanging plate at a selectively adjustable distance away from the contact plate. The potential energy stored by the compliant member may be decreased by increasing the distance between the exchanging plate and contact plate by adjusting the connectors. The compliant member may be safely removed and exchanged by eliminating all compression in the compliant member using the exchanging plate. 1. An apparatus for use in replacing a compliant member of a vibratory screen assembly , wherein the compliant member is compressed between a screen base and a movable contact plate that is mounted on a screen frame of the vibratory screen assembly and potential energy is stored by the compliant member as a result of the compression , the apparatus comprising:an exchanging plate; andone or more connectors configured to connect the exchanging plate to the contact plate and to hold the exchanging plate at a selectively adjustable distance away from the contact plate, wherein the potential energy stored by the compliant member may be increased by decreasing said distance and the potential energy stored by the compliant member may be decreased by increasing said distance.2. The apparatus of further comprising a height retention device positioned under the screen frame configured to maintain the vertical position of the screen frame with respect to the screen base as said distance between the contact plate and the exchanging plate is increased.3. The apparatus of wherein each of the one or more connectors comprises a bolt having a threaded end and a ...

Boron nitride nanotube vibration damping optimization

The structural integrity and viscoelastic performance of boron nitride nanotube (BNNT) materials may be improved through forming a compressed BNNT buckyweave. The BNNT buckyweave may be formed from a BNNT buckypaper having a bulk nanotube alignment (partial alignment) that may be maintained when forming the BNNT buckyweave, and compression may be parallel to and/or perpendicular to the partial alignment. The BNNT material may be viscoelastically-enhanced through, e.g., selection of synthesized BNNT material, impurity removal/reduction, BNNT alignment, isotopically enhancement, and compression relative to alignment. BNNT buckyweave s are introduced. The present approach provides viscoelastic behavior over temperatures from near absolute zero to near 1900 K. The transport of phonons along the BNNT molecules may be enhanced by utilizing isotopically enhanced BNNTs.

BASE MEMBER FOR A DAMPER

A damper includes a damper tube (a pressure tube or a reserve tube for a mono-tube or a double tube damper respectively) including a first end and a second end opposite to the first end. The damper includes a base member. The base member includes a cup portion at least partially enclosing the first end of the damper tube, and a sleeve portion extending from and integral with the cup portion. The sleeve portion surrounds a length of the damper tube. The sleeve portion is attached to the damper tube. Further, the damper includes a knuckle engaged with the sleeve portion such that the sleeve portion is disposed between the knuckle and the damper tube. 1. A damper comprising:a damper tube comprising a first end and a second end opposite to the first end; a cup portion at least partially enclosing the first end of the damper tube; and', 'a sleeve portion extending from and integral with the cup portion, the sleeve portion surrounding a length of the damper tube, wherein the sleeve portion is attached to the damper tube; and', 'a knuckle engaged with the sleeve portion such that the sleeve portion is disposed between the knuckle and the damper tube., 'a base member comprising2. The damper of claim 1 , wherein the cup portion defines an aperture therethrough.3. The damper of claim 1 , wherein the sleeve portion further comprises a projection claim 1 , and wherein the knuckle defines an opening that at least partially receives the projection of the sleeve portion.4. The damper of claim 3 , wherein the projection of the sleeve portion is a pin or a dent.5. The damper of claim 1 , wherein the sleeve portion further comprises a lip disposed at an end distal to the cup portion.6. The damper of claim 1 , wherein the cup portion further defines a groove disposed adjacent to the sleeve portion.7. The damper of claim 1 , wherein the damper tube is a pressure tube.8. The damper of claim 1 , wherein the damper further comprises a pressure tube and a base valve disposed at an end of ...

TORSIONAL VIBRATION DAMPER WITH LOW ELASTOMER CONTENT

The disclosed invention is a Torsional Vibration Damper (TVD) that employs the use of two novel features namely the receiving ledge and the guiding ledge that allows it to have the following four advantages over conventional TVDs: (1) a reduced volume of elastomer; (2) a narrower axial thickness; (3) enhanced performance due to increased real-estate for the ring; and (4) an ability to be assembled without elaborate fixturing or bonding; while not compromising its structural and modal stability. 1. A Torsional Vibration Damper (TVD) that uses a reduced volume of elastomer and eliminates the need for an assembly fixture or bonding by virtue its construction , comprising: a second cylindrical surface that shares the same central axis with the first cylindrical surface but is displaced radially outward;', 'a first outer annular surface that bounds the second cylindrical surface axially;', 'a second inner annular surface opposing the first outer annular surface that bounds the second cylindrical surface axially;, 'a hub that is bounded on its radially distal extremity by a first cylindrical surface defined by its outer diameter comprising a receiving-ledge including'} a second cylindrical surface that shares the same central axis with the first cylindrical surface but is displaced radially inward;', 'a first outer annular surface that bounds the second cylindrical surface axially;', 'a second inner annular surface opposing the first annular surface that bounds the second cylindrical surface axially;, 'a ring that is bounded on its radially proximal extremity by a first cylindrical surface defined by its inner diameter comprising a guiding-ledge including'} is first stretched and mounted on the hub received radially by the first cylindrical surface of the hub, and axially by the second inner annular surface of the receiving ledge;', 'is next compressed by the first cylindrical surface of the ring, and axially by the second inner annular surface of the guiding ledge;', 'in ...

DUST BOOT, METHOD OF MANUFACTURING DUST BOOT, AND SHOCK ABSORBER

A dust boot includes a tubular boot body and an annular flange portion linked to an upper end of the boot body. In an outer side of the flange portion, an angle between the flange portion and a line perpendicular to an axis of the boot body is set to be larger than 0° and smaller than 90°. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. A shock absorber comprising:a cylinder;a rod configured to move into and out of the cylinder;a rod-side spring seat installed in the rod;a cylinder-side spring seat installed in the cylinder;a suspension spring interposed between the rod-side spring seat and the cylinder-side spring seat;a rubber bump stopper provided on an outer circumference of the rod; anda dust boot, a tubular boot body provided with an extendable/contractible bellows portion to cover the rod, and', 'an annular flange portion linked to an upper end of the boot body and held between the rod-side spring seat and the suspension spring, and', 'wherein an angle between the flange portion and a line perpendicular to an axis of the boot body in an outer side of the flange portion is set to be larger than 0° and smaller than 90°., 'wherein the dust boot has'}6. The shock absorber according to claim 5 , further comprising a rubber seat installed in an upper end of the suspension spring and interposed between the flange portion and the suspension spring.7. The shock absorber according to claim 6 , wherein the boot body has a cutaway hole claim 6 , andthe rubber seat has a protrusion fitted to the cutaway hole.8. A dust boot for a shock absorber that includes a cylinder claim 6 , a rod configured to move into and out of the cylinder claim 6 , a rod-side spring seat installed in the rod claim 6 , a cylinder-side spring seat installed in the cylinder claim 6 , a suspension spring interposed between the rod-side spring seat and the cylinder-side spring seat claim 6 , and a rubber bump stopper provided on an outer circumference of the rod claim 6 , the dust boot ...

CONSTRUCTION DAMPER WITH AT LEAST ONE AT LEAST IN REGIONS LADDER-LIKE CONSTRUCTED THRUST DAMPING PART

The present invention relates to a construction damper with at least one at least in regions ladder-like constructed thrust damping part which has a spatial structure wherein at least two transverse beams are connected in two different alignments to at least two longitudinal beams and wherein the damping effect is achieved by thrust force damping in the transverse beams.

BUMPER CAP FOR DAMPER

A bumper cap for a damper, the damper including an outer tube with a tube end. A rod extending through the tube end. The damper including a damping fluid, such as a hydraulic oil, that is movable within the damper in response to movement of the rod to provide a damping effect. The bumper cap has a cup shaped body having a side wall and a base, the side wall having an inner surface and an outer surface, the inner surface having a dimension that is sized to be press fit over the outer tube. The base of the bumper cap has a through hole in the base, the through hole configured to have the rod pass therethrough. The base has at least one fluid passage extending away from the through hole that is in fluid communication with a fluid reservoir in the side wall.

Hybrid material

A process of making a family cell of homogenous inner bladders with varying elasticity includes a forming a plurality of inner bladders from a first material with a first elasticity. The inner bladders have interior surfaces during inner chambers and exterior surfaces exposed to an outside environment. The inner chambers are configured to store a fluid. A family cell is formed by fluidly connecting the inner bladders. One or more hybrid bladders are selected from the inner bladders and a second material having a second elasticity is applied to the hybrid bladders. The second elasticity is less than the first elasticity, such that the second material reduces the elastic qualities of the hybrid bladder.

Shock Absorbers For Protective Body Gear

A shock absorber includes a bottom rim, a top wall comprising a raised central portion and a top rim, a side wall extending between the top and bottom rims, and a corrugation surrounding a periphery of the raised central portion that (i) connects the raised central portion to the top rim, (ii) descends to a depth below half a height of the side wall, and (iii) is separated by a distance from a surface. Impact forces imparted on the shock absorber are attenuated by a first amount in a first stage by resistive yielding of the side wall; by a second amount in a second stage by depression of the central portion and resistive yielding of the corrugation associated therewith; and by a third amount in a third stage by resistive yielding of the corrugation in response to a force applied to the top rim upon contact with the surface. 1. A shock absorber for attenuating impact forces imparted thereto in stages of differing attenuation , the shock absorber comprising:a top wall comprising a raised central portion and a top rim;a bottom rim;a side wall extending between the top and bottom rims; anda corrugation surrounding a periphery of the raised central portion that (i) connects the raised central portion to the top rim, (ii) descends to a depth below half a height of the side wall, and (iii) is separated by a distance from a surface,wherein the shock absorber is configured to attenuate impact forces imparted on the shock absorber by a first amount in a first stage by resistive yielding of the side wall, by a second amount in a second stage by depression of the central portion and resistive yielding of the corrugation associated therewith, and by a third amount in a third stage by resistive yielding of the corrugation.2. The shock absorber of claim 1 , wherein the first amount is less than the second amount.3. The shock absorber of claim 2 , wherein the second amount is less than the third amount.4. The shock absorber of claim 1 , wherein the side wall comprises a first ...

Vibration Dampening Devices and Methods

An embodiment vibration dampening device includes a stack of permanent magnets having a plurality of cross-sectional areas, wherein the permanent magnets are electrically coupled in series with each other. The device further includes an insulating sheath disposed around the stack of permanent magnets, and a visco-elastic polymer disposed within the sheath and around the stack of permanent magnets. 1. A vibration dampening device comprising:a stack of permanent magnets having a plurality of cross-sectional areas, wherein the permanent magnets are electrically coupled in series with each other;an insulating sheath disposed around the stack of permanent magnets; anda dampening fluid disposed within the sheath and around the stack of permanent magnets.2. The vibration dampening device of claim 1 , wherein each of the permanent magnets comprises a material selected from the group consisting of: nickel claim 1 , neodymium claim 1 , samarium claim 1 , mu-metal claim 1 , cobalt claim 1 , and a combination thereof.3. The vibration dampening device of claim 1 , further comprising a first electrical conductor coupled to one end of the stack claim 1 , and a second electrical conductor coupled to another end of the stack.4. The vibration dampening device of claim 3 , wherein the first and second conductors each comprises a non-permanent-magnet ferromagnetic material.5. The vibration dampening device of claim 1 , further comprising an electrically conductive sleeve disposed around the insulating sheath.6. The vibration dampening device of claim 1 , wherein each of the permanent magnets has a same north-south pole orientation.7. The vibration dampening device of claim 1 , further comprising at least one non-permanent-magnet ferromagnetic component disposed in the stack.8. The vibration dampening device of claim 1 , wherein the dampening fluid comprises a visco-elastic gel.9. The vibration dampening device of claim 8 , wherein the visco-elastic gel comprises a material selected ...

VEHICLE SEAT ASSEMBLY INCORPORATING QUASI-ZERO/NEGATIVE STIFFNESS VIBRATION ISOLATORS

A vehicle seat assembly includes a seat frame, a seat pan, and a plurality of vibration isolators interposed between the seat frame and the seat pan for limiting transmission of vibrations from the seat frame to the seat pan. 1. A vehicle seat assembly comprising:a seat frame;a seat pan; anda plurality of vibration isolators interposed between the seat frame and the seat pan for limiting transmission of vibrations from the seat frame to the seat pan.2. The vehicle seat assembly of wherein each vibration isolator of the plurality of vibration isolators is structured to provide a quasi-zero/negative stiffness response to a force applied to the vibration isolator when the applied force is within a predetermined range.3. The vehicle seat assembly of wherein each vibration isolator of the plurality of vibration isolators has an outer diameter and wherein a maximum spacing of each vibration isolator from vertical plane defined by each edge of a pair of associated intersecting edges of the seat pan is equal to the isolator outer diameter.4. The vehicle seat assembly of wherein each vibration isolator of the plurality of vibration isolators is positioned so as to reside directly above an associated seat rail of the seat frame when the seat assembly is installed in a vehicle.5. The vehicle seat assembly of wherein each vibration isolator of the plurality of vibration isolators includes:a first conical disc spring member having a first end and a second end opposite the first end;a first-end spacer in contact with the first spring member first end;a second-end spacer in contact with the first spring member second end;a second conical disc spring member having a first end and a second end opposite the first end, the second spring member first end being in contact with the first-end spacer;another second-end spacer in contact with the second spring member second end; anda flexible housing defining an interior, the housing being in contact with and extending between the second- ...

LEAF SPRING

A leaf spring may include: an upper plate provided with arc-shaped portions which are integrally formed on both end portions thereof, respectively, for forming spring eyes; a lower plate disposed to overlap a lower side of the upper plate and provided with arc-shaped portions which are integrally formed on both end portions thereof, respectively, and face the arc-shaped portions of the upper plate to form the spring eyes; clamping units installed to restrain the both end portions of the overlapped upper and lower plates from being separated from each other; and a central fastening unit configured to fasten central portions of the overlapped upper and lower plates. 1. A leaf spring comprising;an upper plate provided with first arc-shaped portions which are integrally famed on both end portions thereof, respectively, for forming spring eyes;a lower plate disposed to overlap a lower side of the upper plate and provided with second arc-shaped portions which are integrally formed on both end portions thereof, and configured to respectively face the first arc-shaped portions of the upper plate to form the spring eyes;clamping units configured to restrain the both end portions of the overlapped upper and lower plates from being separated from each other; anda central fastening unit configured to fasten central portions of the overlapped upper and lower plates.2. The leaf spring of claim 1 , wherein a bush is inserted into each of the spring eyes formed by the first and second arc-shaped portions of the upper plate and the lower plate.3. The leaf spring of claim 2 , wherein the upper plate and the lower plate are spaced apart from each other to form a first gap near the bush.4. The leaf spring of claim 3 , wherein a depression portion configured to form the first gap is formed on at least one of the upper plate or the lower plate overlapping each other claim 3 , and the depression portion is foamed by depressing a contact surface between the upper plate and the lower plate. ...

VIBRATION DAMPER FOR A MOTOR VEHICLE AND A METHOD FOR PRODUCING A PRESS FIT BETWEEN A DAMPER INNER TUBE AND AT LEAST ONE SEPARATING PLATE

A vibration damper for a motor vehicle may comprise a damper outer tube, a damper inner tube having a lateral surface of the damper inner tube and arranged coaxially in the damper outer tube, a separating plate arranged coaxially in a region of the lateral surface of the damper inner tube, and a sealing element arranged coaxially circumferentially on the damper inner tube on the separating plate. In a region of the separating plate arranged coaxially on the lateral surface of the damper inner tube, a groove for the separating plate may be formed on the lateral surface of the damper inner tube. The separating plate may be arranged in the groove, and the connection between the groove and the separating plate may be press fit, at least in the radial direction. 1. A vibration damper for a motor vehicle , the vibration damper comprising:a damper outer tube;a damper inner tube disposed coaxially in the damper outer tube, the damper inner tube having a lateral surface with a groove;a separating plate disposed coaxially with the damper inner tube in a region of the lateral surface of the damper inner tube, wherein the separating plate is disposed in the groove of the lateral surface of the damper inner tube, wherein a press-fit connection is formed at least in a radial direction between the groove and the separating plate; anda sealing element disposed coaxially circumferentially on the damper inner tube on the separating plate.2. The vibration damper of wherein the press-fit connection comprises an excess in the radial direction of at least 12 μm according to ISO 286-1 (2010).3. The vibration damper of further comprising a bead in a transition region between a surface of the separating plate and the lateral surface of the damper inner tube.4. The vibration damper of wherein the groove comprises a trapezoidal contour and the separating plate disposed in the groove comprises a trapezoidal inner contour claim 1 , at least prior to formation of the press-fit connection.5. The ...

METHOD FOR INSTALLING A WRAP SPRING

A method for installing a wrap spring includes providing a first sleeve with a first longitudinal axis extending in an axial direction and a lateral surface, and the wrap spring designed to frictionally abut the lateral surface. The wrap spring includes a nominal diameter and a central axis. The method includes applying the wrap spring in a relaxed state to the lateral surface at an angle α between the central axis and the first longitudinal axis, elastically twisting the wrap spring to change the nominal diameter while the wrap spring contacts the lateral surface, reducing the angle α, threading the wrap spring onto the first sleeve, and relaxing the wrap spring to establish frictional contact with the lateral surface. 110.-. (canceled)11. A method for installing a wrap spring , comprising a first longitudinal axis extending in an axial direction; and', 'a lateral surface;, 'providing a first sleeve comprising a nominal diameter; and', 'a central axis;, 'providing the wrap spring designed to frictionally abut the lateral surface, the wrap spring comprisingapplying the wrap spring in a relaxed state to the lateral surface at an angle α between the central axis and the first longitudinal axis;elastically twisting the wrap spring to change the nominal diameter while the wrap spring contacts the lateral surface;reducing the angle α;threading the wrap spring onto the first sleeve; andrelaxing the wrap spring to establish frictional contact with the lateral surface.12. The method of wherein the threading the wrap spring onto the first sleeve comprises:inserting the wrap spring into the first sleeve; orslipping the wrap spring onto the first sleeve.13. The method of wherein the elastically twisting the wrap spring and the threading the wrap spring take place at least temporarily at the same time.14. The method of wherein the reducing the angle α and the threading the wrap spring take place at least temporarily at the same time.15. The method of wherein claim 11 , after ...