Vented gaiter

Improvements in or relating to tyre inflation control systems

... 694,475. Valves. BENDIX-WESTINGHOUSE AUTOMOTIVE AIR BRAKE CO. Oct. 30, 1951 [Oct. 30, 1950; Oct. 30, 1950], No. 25302/51. Class 135 [Also in Group XXXIV] A tyre inflation control system for a pneumatictyred vehicle wheel 16 comprises a control valve 20 carried by the wheel and having an outlet chamber 28 communicating with the tyre, an inflation check valve 58 which allows flow of pressure air from a conduit 34 into the chamber 28 but prevents return flow from the tyre, a deflation check valve 66 normally preventing communication between the outlet chamber 28 and an exhaust chamber 30 open to atmosphere, and means carried by the control valve 20 for opening the deflation check valve to reduce the pressure in the tyre. Fig. 1 shows a pressure-air supply 10 connected via a pressure-indicating valve 40 with an axle mounting 50 to communicate with the conduit 34 in the wheel axle. Pressure air is supplied from the source 10 to a deflation control valve 86, the chamber of which is normally open ...

Annular coupler for a central tyre inflation system

An annular coupler 2 of a central tyre inflation system (CTIS) for facilitating delivery of air to a driven wheel of a vehicle is described. The annular coupler is for coupling between a knuckle 14 and an axle 18 of the vehicle, and comprises an inlet aperture 4 for receiving air from a source of air, said aperture being in fluid communication with an annular channel 6 defined at least in part by a first radially inner wall portion (17, figure 2B) of the annular coupler for delivering the received air to the driven wheel via the axle. Second and third radially inner wall portions (8, 10) arranged adjacent to and on respective sides of the first radially inner wall portion may define at least two sealing surfaces for receiving annular seals 16A, 16B. The CTIS may include at least two annular seals that seal against the at least two sealing surfaces of the annular coupler, in use, for defining the annular channel. A method of delivering air using a CTIS comprising such a coupler is also disclosed ...

Filter device

A filter device 7, 8 for a conduit 9, 10 is provided. The filter device comprises a gas-permeable pre-filter element 21, 23 and a gas-permeable, liquid-impermeable filter element 22, 24. The filter device 7, 8 is configured to be fluidly coupled to a conduit 9, 10 such that a gas can be caused to flow, in sequence, through the pre-filter element 21, 23, the filter element 22, 24 and then the conduit 9, 10. Such a filter device 7, 8 can for example be used in each of a vehicle hollow driveshaft 2 and a hollow wheel stub axle 6 forming a CV joint 11 having a compressed air supply line which passes therethrough, as is the case in some central tyre inflation systems (CTISs). Thus, compressed air can be supplied via said air supply line without the need for an additional fluid transfer device fluidly connecting the driveshaft and the stub axles conduits 9, 10. Reference is also made to an articulated joint.

Gaiter

VEHICLE WITH APPARATUS FOR CONTROLLING THE PRESSURE IN AN AIR SPACE WITHIN A PNEUMATIC TYRE

... 1496932 Controlling air pressure in pneumatic tyres Y TSURUTA 28 Jan 1975 [30 March 1974] 3607/75 Heading B7C The air pressure within the inner tube 13 of a vehicle or aircraft wheel or within tubes 34 controlling the position of anti-skid studs 31 relative to a vehicle wheel is controlled by changing the volume of chamber 10, such a change being achieved by mechanical means, or by fluid under pressure supplied from a source, under the control of control means. As illustrated, the change is achieved by the movement of piston 7 is response to the operation of control means 15A to effect supply to, or exhaustion from, chamber 5 of a pressure fluid, e.g. air or a liquid. In an alternative embodiment (Fig. 3, not shown) the chambers (10, 25), and the piston (27). between the chambers are annular. In each embodiment the piston 7 comprises two parts separated by a ball bearing 9, so that the outboard part can be rotated with the wheel relative to the inboard part.

INFLATABLE ARTICLE

TURNING UNIT SYSTEM FOR TIRE FILLING SYSTEM

Utility vehicle with tire filling system

The invention relates to a utility vehicle with a chassis on which a tire filling system can be arranged or is arranged. The chassis has at least one axle with a cavity that is designed as a compressed gas store in which a gas is stored at a specified gas pressure in order to fill a tire of the utility vehicle with the gas. The compressed gas store has a wall with a compressive strength of at least 0.9 N/mm ...

Wheel end assembly high-temperature warning system

Rotary air connection with central valve for tire inflation system

A rotary air connection for an automatic tire inflation system having an air pressure source, the rotary air connection comprising a stationary portion and a rotatable portion rotatably mounted to the stationary portion, the rotary air connection having a central channel with a one-way check valve disposed in the central channel so as to allow fluid to flow from the air pressure source in one direction through the central channel but not in the opposite direction toward the air pressure source.

Steer axle tire inflation system

A steer axle spindle may have one or more channels formed therein. A union may be mounted to a steer axle wheel end assembly. The rotary union may be sealingly connected to a pressurized fluid source through the channel, and sealingly connected to a vehicle tire.

Rotary air connection for tire inflation system

Automatic tire inflation system with booster pump

LOAD-BASED TIRE INFLATION SYSTEM FOR HEAVY-DUTY VEHICLES

A load-based tire inflation system for a heavy-duty vehicle comprises at least one source of fluid pressure, suspension structure of the heavy-duty vehicle, a tire and wheel assembly and a system to control fluid pressure in the tire and wheel assembly. The suspension structure is located between a frame member and an axle and has a condition indicative of a weight of the heavy-duty vehicle. The tire and wheel assembly is operatively mounted to the axle and is in fluid communication with the source of fluid pressure. The control system controls fluid pressure in the tire and wheel assembly in response to the condition of the suspension structure.

TIRE MANAGEMENT SYSTEM

A tire management system for a truck or trailer comprising an axle having a first tire mounted thereto, the system comprising an air pressure supply connected to the tire so as to allow sealed communication of pressurized air between the air pressure supply and the first tire, and a first pilot-operated check valve in sealed fluid communication with the air pressure supply and with the first tire, the first pilot-operated check valve being configured to allow air to flow only from the air pressure supply to the first tire when a pilot of the first pilot check valve is not activated, and to allow air to flow between the first tire and the air pressure supply when the pilot of the first pilot-operated check valve is activated.

ROTARY UNION FOR AUTOMATIC TIRE INFLATION SYSTEM

DEVICE FOR CONNECTING AN AIRCRAFT WHEEL PNEUMATIC TIRE TO THE AIRCRAFT'S CENTRAL PNEUMATIC SYSTEM

L'invention concerne un dispositif pour connecter sélectivement à une centrale pneumatique d'un aéronef un pneumatique d'une roue montée tournante sur un essieu creux de l'aéronef, le dispositif comprenant un stator et un rotor qui est monté tournant sur le stator et qui comporte des moyens de son entraînement en rotation par la roue. Selon l'invention, le stator est en forme de cloche qui est prévue pour être reçue à ajustement dans l'essieu et qui comporte une paroi de fond qui porte un premier port pneumatique pour sa connexion à la centrale pneumatique par un tuyau cheminant dans l'essieu, le rotor s'étendant substantiellement à l'intérieur du stator.

LOAD REGULATED TIRE INFLATION SYSTEM

A tire inflation system for use with a vehicle includes an airflow regulator configured to adjust a tire pressure of an inflatable tire coupled to an axle included in a wheelaxle system of a vehicle. The tire inflation system may further include a controller including a processor and a memory, the memory having stored therein a plurality of instructions that when executed by the processor cause the controller to receive data indicative of a force load acting on the axle and adjust the airflow regulator to cause the airflow regulator to control the tire pressure of the inflatable tire based on the data indicative of the force load acting on the axle.

TIRE MANAGEMENT SYSTEM

A tire management system for a truck or trailer comprising an axle having a first tire mounted thereto, the system comprising an air pressure supply connected to the tire so as to allow sealed communication of pressurized air between the air pressure supply and the first tire, and a first pilot-operated check valve in sealed fluid communication with the air pressure supply and with the first tire, the first pilot-operated check valve being configured to allow air to flow only from the air pressure supply to the first tire when a pilot of the first pilot check valve is not activated, and to allow air to flow between the first tire and the air pressure supply when the pilot of the first pilot-operated check valve is activated.

Pressure transmitting axle assembly

An axle assembly has a fixed axle housing, a rotating axle body rotatably mounted in said axle housing, and a first chamber which surrounds the axle body. The first chamber is partially bounded by a ring member which rotates with the axle body. An annular disc is mounted on the axle body adjacent to the ring member. The disc extends radially outwardly beyond an outer rim of the ring member and radially overlaps the ring member. The disc is axially slidable towards and away from the ring member. When the disc is spaced apart from the ring member an opening or space is formed therebetween through which may be communicated pressurized air to inflate a tire. The disc is moved axially by a ring mounted on an annular piston member which is mounted on and axially movable with respect to the axle housing.

Steer axle tire inflation system

A steer axle spindle may have one or more channels formed therein. A rotary union may be mounted to a steer axle wheel end assembly. The rotary union may be sealingly connected to a pressurized fluid source through the channel, and sealingly connected to a vehicle tire.

Filter device

A filter device for a conduit includes a gas-permeable pre-filter element and a gas-permeable, liquid-impermeable filter element. The filter device is configured to be fluidly coupled to a conduit such that a gas can flow, in sequence, through the pre-filter element, the filter element and then the conduit. The filter device can be used in each of a vehicle hollow driveshaft and a hollow wheel stub axle forming a CV joint having a compressed air supply line which passes therethrough. Compressed air can be supplied via the air supply line without the need for an additional fluid transfer device fluidly connecting the driveshaft and the stub axle's conduits.

Wheel end assembly high-temperature warning system

The present invention is directed to a wheel end assembly having a high temperature warning system for giving a warning in the event that the temperature in the assembly reaches a predetermined value such as caused by hub bearing failure or a brake related failure. In one embodiment the system may be a stand-alone system for installation on any vehicle such as a trailer. In another embodiment the system may be combined with an automatic tire inflation system.

УСТРОЙСТВО ДЛЯ СОГЛАСОВАНИЯ ДАВЛЕНИЯ В ШИНАХ ВО ВРЕМЯ ДВИЖЕНИЯ

... 1. Устройство для согласования фактического давления в шинах, по меньшей мере, одной шины (8, 8′) одного колеса одной оси транспортного средства с требуемым в данный момент давлением в шинах во время движения, содержащее:a) центральное устройство (2) со стороны шасси, управляющее выводом либо фактического давления в шине во вращающемся вместе с колесом соединении (20, 20′), связанного с колесом пневматического регулирующего давление устройства (6, 6′) для согласования фактического давления в шинах с требуемым давлением в шинах, или удаляющее воздух из этого соединения (20, 20′) при одинаковом фактическом давлении в шинах с требуемым давлением в шинах, причемb) регулирующее давление устройство (6, 6′) имеет, по меньшей мере, другое, с возможностью нагрузки фактическим давлением в шине соединение (23, 23′) иc) по меньшей мере, один распределительный клапан (11, 11′), содержащий соединяющую одно соединение (20) с другим соединением (23, 23′)проходную позицию и запирающую это соединение закрытую ...

СИСТЕМА РЕГУЛИРОВАНИЯ ДАВЛЕНИЯ В ШИНЕ

... 1. Устройство регулирования давления в шинах транспортного средства, содержащее вращающееся соединение (7, 7.1), имеющее статор и ротор, для передачи сжатого воздуха, подводимого от источника сжатого воздуха, расположенного на стороне автомобиля, к ротору (R), сконструированному для крепления колеса, и у этого вращающегося соединения (7, 7.1) имеется кольцевая камера (25, 35), находящаяся между ротором (R) и статором (S) и герметизируемая активируемыми с помощью пневматической системы управления через магистраль управления (24) и соответственно расположенными в канавках (13, 14) уплотнениями (15, 16; 15.1, 16.1; 15.1, 30), в которую впадает как воздушный канал на стороне статора, так и воздушный канал на стороне ротора (8; 17, 17.1), характеризующееся тем,что активируемые для целей передачи сжатого воздуха уплотнения (15, 16; 15.1, 16.1; 15.1, 30) установлены аксиально друг к другу на одинаковом или примерно одинаковым расстоянии в радиальном направлении от оси вращения ротора (R), ичто ...

Tire pressure control system for wheeled vehicle, has valve device comprising wheel-fixed unit of two-channel sealed passage and non-wheel fixed unit for rotary joint, that form fixed terminals for control line and supply line

The system has valve device (14) fixed on the wheel hub (11). The valve device has valve seat with valve disc provided on side of sealing surface via piston rod. The pressure is made to act on both control line (16) and supply line (17), to reduce tire pressure, while air escaping from tire is made to pass to vehicle-side valve. A sensor is provided to measure pressure in vehicle side blocked off supply line. The valve device has wheel-fixed unit of two-channel sealed passage and non-wheel fixed unit for rotary joint (15), that form the fixed terminals for control line and supply line. An independent claim is included for method for tire pressure control using tire pressure control system.

Filter device

STUB AXLE

A system for remotely inflating and deflating vehicle tyres

A central tire inflation and deflation system which quickly inflates or deflates tires to any one of a plurality of pressures selected by the vehicle operator. Inflation pressure is greater than the pressure to which the tires are to be inflated. The system uses a tire valve which deflates the tires when a pressure less than the instantaneous tire pressure but greater than a minimum value is applied to the valve. Pressure on rotary seals which connect the tires to the system is relieved when the system is not operating.

Improvements in or relating to tyre inflation control systems

... 694,476. Pneumatic tyres. BENDIXWESTINGHOUSE AUTOMOTIVE AIR BRAKE CO. Oct. 30,1951 [Oct. 30, 1950], No. 25368/51. Addition to 694,475. Class 144 (ii). In a tyre inflation control system a source of compressed air 16 is connected via conduits 18, 22, 24, 26 to an outlet chamber 38 of a control valve 28 carried by a wheel 10, said outlet chamber 38 being in constant communication with the wheel tyre 14 and housing a spring- closed check valve 56 preventing return flow from the outlet chamber to the pressure-air conduit 26 and housing also a further spring- closed check valve 58 normally preventing communication between the outlet chamber 38 and an exhaust chamber 44, of the control valve 28, which is constantly open to atmosphere, a manually operable member 66 being carried by the valve casing 36 to provide for opening the valve 58 to reduce the tyre pressure. A 3 shown, pressure air is supplied from a source 16 via a regulating valve 20 which may be set to provide any desired pressure of ...

CONNECTING PIECE FOR AN AIR SUPPLY TO THE TIRES OF MOTOR VEHICLES WITH A WHEEL HUB PLANETARY GEAR CHASSIS

ATMOSPHERIC PRESSURE, COAXIAL WHEEL HUB FOR ADJUSTING THE INTERNAL TIRE PRESSURE WHILE DRIVING

COMBINATION OF AN AUTOMATIC TIRE BLOWING UP SYSTEM AND AN ANTI-BLOCKING BRAKE SYSTEM

Rotary Union for Air Inflation System

Axle and hub assembly for automatic tire inflation pressurization system

On-axle tire inflation system

Apparatus for controlling tire inflation pressure

Inflation integrated hubcap

A rotary union is configured for removable disposition into the central bore of a hubcap through an orifice in the outboard face of the hubcap. The hubcap includes a fluid channel extending from the central bore to the exterior of the hubcap. The rotary union includes a port through which fluid may flow into the fluid channel when the rotary union is disposed in the central bore.

STEER-AXLE HIGH-TEMPERATURE WARNING SYSTEM

A high temperature warning system for a vehicle steer axle an air pressure supply, a normally-closed valve in fluid communication with pressure supply, a heat sensitive control capable of opening the normally-closed valve upon a predetermined temperature, the heat sensitive control mounted adjacent to the wheel end assembly in a heat exchange relationship therewith, and a warning system connected to the air pressure supply for actuation upon opening of the normally-closed valve.

ROTARY WHEEL-END ASSEMBLY FOR TIRE INFLATION SYSTEM

A rotary wheel-end assembly (90) is provided that includes a disc-like member (26) that when secured to a vehicular wheel hub (16) is operative to rotate relative a stationary axle spindle as well as provide a first chamber (28) about the end of axle (2). Assembly (90) has a passageway (36) therethrough for conveying pressurized air to the tire from axle (2) and includes a cover (42) secured in spaced-apart relationship to a side of member (26) facing away from axle (2) to provide a second chamber (46). Chambers (28) and (46) are adapted to hold a lubricant for lubricating frictional interaction between rotary assembly (90) and stationary axle (2) as well as wheel bearings (12) and at least one opening (40) is provided through member (26) for providing fluid communication between chambers (28) and (46) in addition to the preferable inclusion of at least one resilient closable member (48) through cover (42) for conveying lubricant into chamber (46).

conexão de ar giratória com válvula central para sistema de inflação de pneu

APARELHO PARA DISTRIBUIR AR ATRAVÉS DE UM CONJUNTO DE EIXO MECANIZADO, E, CONJUNTO DE EIXO MECANIZADO.

Hub cap filter for tire inflation system

A vehicle tire inflation system includes an axle assembly with an axle housing having an air supply conduit. Air is provided to the air supply conduit from an air tank mounted on the vehicle. The axle includes least one wheel hub rotatably supported on the axle housing by bearings. A hub cap is mounted at one end of the wheel hub and has an air passageway for conducting an air supply through the hub cap to a tire. A filter is installed within the passageway to remove any debris from the air supply.

Steer axle high-temperature warning system

A high temperature warning system for a vehicle steer axle an air pressure supply, a normally-closed valve in fluid communication with pressure supply, a heat sensitive control capable of opening the normally-closed valve upon a predetermined temperature, the heat sensitive control mounted adjacent to the wheel end assembly in a heat exchange relationship therewith, and a warning system connected to the air pressure supply for actuation upon opening of the normally-closed valve.

УСТРОЙСТВО ДЛЯ СОГЛАСОВАНИЯ ДАВЛЕНИЯ В ШИНАХ ВО ВРЕМЯ ДВИЖЕНИЯ

FIELD: motor industry. SUBSTANCE: device (6) contains at least one distributing valve (11), which is controlled by air counterflow, one facing distribution valve (11) control valve (13), which either controls output of existing in one connection (20) of pressure or existing in other connection (23) of actual tire pressure in other pneumatic connection (16b) control line distributing valve (11), or blocks such control. Device (6) has bypassing distribution valve (11) and control valve (13) and connecting one connection (20) with other compound (23) of bypass pipeline (10) with check valve (14), opening in direction of tire filling with air (8) and closing in direction of air outlet from tire (8). EFFECT: higher reliability and simplicity of design matching tire pressure and high rate of its operation. 11 cl, 5 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК B60C 23/00 (13) 2 581 902 C2 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013150633/11, 12.04.2012 (24) Дата начала отсчета срока действия патента: 12.04.2012 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 20.05.2015 Бюл. № 14 (73) Патентообладатель(и): КНОРР-БРЕМЗЕ ЗЮСТЕМЕ ФЮР НУТЦФАРЦОЙГЕ ГМБХ (DE) R U 14.04.2011 DE 102011017118.5 (72) Автор(ы): ВОИТ Андраш (HU), ТОТ Янош (HU), МИХАЙИ Аттила (HU), КАНТОР Корнель (HU) (45) Опубликовано: 20.04.2016 Бюл. № 11 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 14.11.2013 (86) Заявка PCT: EP 2012/056629 (12.04.2012) 2 5 8 1 9 0 2 (56) Список документов, цитированных в отчете о поиске: DE 2823045 A1, 29.11.1979. DE 3108247 A1, 16.09.1982. DE 2630511 A1, 12.01.1978. 2 5 8 1 9 0 2 R U WO 2012/140110 (18.10.2012) C 2 C 2 (87) Публикация заявки PCT: Адрес для переписки: 109012, Москва, ул. Ильинка, 5/2, ООО "Союзпатент", А.А. Силаевой (54) УСТРОЙСТВО ДЛЯ СОГЛАСОВАНИЯ ДАВЛЕНИЯ В ШИНАХ ВО ВРЕМЯ ДВИЖЕНИЯ (57) Реферат: Изобретение относится к автомобильному (6) имеет ...

ШПИНДЕЛЬНЫЙ УЗЕЛ ДЛЯ СИСТЕМЫ НАКАЧИВАНИЯ ШИНЫ

Изобретение относится к автомобилестроению, в частности к шпиндельному сборочному узлу для системы накачивания шины. Шпиндельный узел содержит шпиндель, определяющий осевое направление и снабженный трубопроводом для текучей среды, вращающуюся часть, установленную на шпинделе с возможностью вращения и содержащую проточный канал для текучей среды, динамическую кольцевую уплотнительную камеру, расположенную радиально между шпинделем и вращающейся частью. Трубопровод для текучей среды и проточный канал для текучей среды соединены между собой через кольцевую уплотнительную камеру. Кольцевая уплотнительная камера расположена вдоль оси между первым и вторым объемом. Первый и второй объемы соединены между собой через канал для текучей среды для отведения текучей среды, которая просочилась из кольцевой уплотнительной камеры и просочилась в первый объем и/или во второй объем через канал для текучей среды. Канал для текучей среды окружает кольцевую уплотнительную камеру. Достигается улучшение дренирования текучей среды. 16 з.п. ф-лы, 11 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 570 853 C1 (51) МПК B60C 23/00 (2006.01) F16K 41/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2014146380/11, 15.04.2013 (24) Дата начала отсчета срока действия патента: 15.04.2013 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): ЧИС Альберто (IT), ЛОРЕНЦИНИ Кристиан (IT), САНДРИ Микеле (IT), БАДИОЛА УРКИОЛА Виргиния (ES) (45) Опубликовано: 10.12.2015 Бюл. № 34 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 19.11.2014 (86) Заявка PCT: EP 2013/057781 (15.04.2013) 2 5 7 0 8 5 3 (56) Список документов, цитированных в отчете о поиске: US 2008/314487 A1, 25.12.2008. US 2009/ 084481 A1, 02.04.2009. US 2003/159766 A1, 28.08.2003. RU 2155901 C2, 10.09.2000. R U (73) Патентообладатель(и): ДАНА ИТАЛИЯ С.П.А. (IT) 19.04.2012 EP 12164828.1 (87) Публикация заявки PCT: 2 5 7 0 8 5 3 R U C 1 C 1 WO 2013/156430 (24.10. ...

Wellendichtring

Fahrzeugachsbaugruppe mit integrierter Druckmittelleitung zur Reifenbefüllung

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

A TIRE INFLATION AND DEFLATION VALVE

STUB AXLE

TIRE PRESSURE ADJUSTMENT SYSTEM FOR MOTOR VEHICLES, IN PARTICULAR FOR AGRICULTURAL TRACTORS.

AUTOMATIC TIRE PRESSURE ADJUSTMENT SYSTEM WITH BOOSTER PUMP

ANSCHLUSSSTUECK FUER EINE LUFTZUFUEHRUNG ZU DEN REIFEN VON KRAFTFAHRZEUGEN MIT EINEM RADNABENPLANETENGETRIEBE-FAHRWERK

Tire management system

A tire management system for a truck or trailer comprising an axle having a first tire mounted thereto, the system comprising an air pressure supply connected to the tire so as to allow sealed communication of pressurized air between the air pressure supply and the first tire, and a first pilot-operated check valve in sealed fluid communication with the air pressure supply and with the first tire, the first pilot-operated check valve being configured to allow air to flow only from the air pressure supply to the first tire when a pilot of the first pilot check valve is not activated, and to allow air to flow between the first tire and the air pressure supply when the pilot of the first pilot-operated check valve is activated.

SYSTEM AND METHOD USING A PRESSURE REDUCTION VALVE

In some embodiments, a wheel end assembly may comprise a hubcap mounted to a wheel rotatable on an axle on a vehicle, an air pressure supply positioned inside the axle and connected to a pressure source on the vehicle, a rotary union mounted to the hubcap and in fluid communication with the air pressure supply, a valve stem mounted to the wheel, the valve stem including a valve and an auxiliary port, an air hose connected at a first end to the rotary union and at a second end to the valve stem so as to allow air to flow from the air pressure supply through the air hose to the valve stem, and a manually- operable, electrically-operable or automatic pressure reduction valve connected to the auxiliary port. The pressure reduction valve may comprise one of a metering, timed or deceleration valve, or other suitable valve allowing for relatively high air flow.

APPARATUS FOR DELIVERING AIR THROUGH POWERED AXLE ASSEMBLIES

An apparatus for delivering air through a powered axle assembly and an improved powered axle assembly which incorporates the apparatus. The apparatus comprises: a base attachable to a non-rotating structure within the axle assembly and a rotor mountable in the axle assembly for rotating with the drive axle and for forming an air chamber between the rotor and the base. The base includes at least one air inlet for delivering air to the air chamber and the rotor includes at least one air outlet for air flow out of the chamber.

TIRE MANAGEMENT SYSTEM

A tire management system for a truck or trailer comprising an axle having a first tire mounted thereto, the system comprising an air pressure supply connected to the tire so as to allow sealed communication of pressurized air between the air pressure supply and the first tire, and a first pilot-operated check valve in sealed fluid communication with the air pressure supply and with the first tire, the first pilot-operated check valve being configured to allow air to flow only from the air pressure supply to the first tire when a pilot of the first pilot check valve is not activated, and to allow air to flow between the first tire and the air pressure supply when the pilot of the first pilot-operated check valve is activated.

Wheel end assembly high-temperature warning system

The present invention is directed to a wheel end assembly having a high temperature warning system for giving a warning in the event that the temperature in the assembly reaches a predetermined value such as caused by hub bearing failure or a brake related failure. In one embodiment the system may be a stand-alone system for installation on any vehicle such as a trailer. In another embodiment the system may be combined with an automatic tire inflation system.

Automatic tire inflation system having a pressure regulator with an integrated leak detection switch

Alternate embodiments of a vehicle tire inflation system equipped with a low tire pressure warning device are illustrated wherein a pressure regulating valve controls the pressure delivered to the tires from a pressurized air source and has an integrated electrical switch to indicate if the pressure regulating valve is supplying air to a tire.

Methods + devices for monitoring + changing air pressure in a rotating wheel

Systems for monitoring and adjusting the air pressure in a rotating wheel in air-tight connection with a non-rotating axle. In one embodiment, a non-rotating tank air pressure system is separated from a wheel air pressure system by a fill-purge valve. Manipulating the fill-purge valve changes the air pressure in the wheel air pressure system, while the wheel may be rotating, and the change in air pressure is monitored by a gauge.

Hub cap assembly and a wheel end assembly for a tire inflation system

A wheel end assembly includes a spindle having a passage formed therein. The wheel end assembly also includes a hub cap assembly. The hub cap assembly has an inner housing and an outer housing. The inner housing and outer housing are in fluid communication via an air passage. An air spindle has an inboard portion and an outboard portion. The inboard portion is disposed in the spindle and the outboard portion is disposed in the inner housing. Also, the air spindle has a fluid passage. The fluid passage is in fluid communication with the passage formed in the spindle and the air passage formed in the hub cap assembly. A rotary air seal is disposed around the air spindle. A rotary oil seal is disposed around the air spindle and is spaced apart from the rotary air seal.

Rotary union assembly for use in air pressure inflation systems for tractor trailer tires

A rotary union assembly for use in an automatic tire inflation system for maintaining the desired pressure in the tires on a tractor trailer or other vehicle having pressurized axles. The assembly communicates the valve stems on a pair of adjacent tires with the axle interior through the use of a flexible tube extending between a stationary first fitting threadably engaged in the axle spindle and a rotary housing secured against the outside end surface of the hub cap so as to be positioned exteriorly of the wheel lubrication compartment and rotatable with the hub cap. The first fitting defines an open channel extending axially therethrough and includes an o-ring seal extending about the channel and forming an airtight seal within the fitting about the tube. A stationary shaft member having an air passageway extending axially therethrough carries the downstream end of the flexible tube and projects into the rotatable housing to communicate the axle interior with the housing through the flexible ...

SEALING ARRANGEMENT

A cassette sealing arrangement, for a vehicle, providing air transfer between a shaft (7)and a hub (9) surrounding the shaft, with an air transfer chamber being divided into a first (19) and a second (21) ring-shaped compartment. The arrangement has a base ring (23), attached to the hub, and an inner sleeve (35), attached to the shaft. The first compartment (19) is defined between the first ring-shaped seal (41), a third ring-shaped seal (42), the base ring and the inner sleeve (35), and the second compartment (21) is defined between the second ring-shaped seal (47), a fourth ring-shaped seal (45), the base ring (23) and the inner sleeve (35). The ring shaped seals are attached to the base ring (23),and their central portions seal against the inner sleeve in such a way that the inner sleeve is allowed to rotate in relation to the first and third seals.

Patent RU2015121689A3

`”ВУ’” 2015121689`” АЗ Дата публикации: 30.08.2018 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж Я «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2015121689/11(033770) 05.06.2015 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 102014108028.9 06.06.2014 РЕ Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) ВРАЩАЮЩЕЕСЯ СОЕДИНЕНИЕ ДЛЯ КОЛЕСА ГРУЗОВОГО АВТОМОБИЛЯ Заявитель: КЕССЛЕР УНД КО. ГМБХ УНД КО. КГ, ОЕ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) Вб0С 23/00 (2006.01) ВбОВ 27/00 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) ВОС 23, В6ОВ 27 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): РУУРТ, Ебрасепе, Раеагсв, КОРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) частей, Относится к гория* относящихся к предмету поиска пункту формулы № 1 2 3 А БЕ 1002009057158 АТ ( ...

ВРАЩАЮЩЕЕСЯ СОЕДИНЕНИЕ ДЛЯ КОЛЕСА ГРУЗОВОГО АВТОМОБИЛЯ

... 1. Вращающееся соединение для колеса грузового автомобиля с регулированием давления в шинах, с несущим устройством (11) колеса и установленной в подшипниках на несущем устройстве (11) колеса с возможностью вращения ступицей (13) колеса, причем в промежуточном пространстве между несущим устройством (11) колеса и ступицей (13) колеса образованы кольцевая камера (21) для сжатого воздуха и, по меньшей мере, кольцевая камера (22, 22′) для смазочного средства, которые уплотнены по отношению друг к другу, причем кольцевая камера (21) для сжатого воздуха сообщается с каналом (17) для сжатого воздуха несущего устройства (11) колеса и с каналом (19) для сжатого воздуха ступицы (13) колеса, причем канал (19) для сжатого воздуха ступицы (13) колеса дальше сообщается с управляемым клапаном (25) для заполнения по выбору шины колеса грузового автомобиля сжатым воздухом или выпуска сжатого воздуха из нее, причем кольцевая камера (22, 22′) для смазочного средства сообщается с каналом (18) для смазочного ...

Improvements in or relating to tire inflation control systems

... 702,621. Pneumatic tyres. BENDIX-WESTING- HOUSE AUTOMOTIVE AIR BRAKE CO. Oct. 30, 1951 [Oct. 30, 1950], No. 25369/51. Class 144(2) For controlling tyre inflation on a vehicle in operation, each wheel has a non-return inflation valve 46 fed via a conduit from a compressed air source 27, and a deflation valve 60 mounted diametrically opposite the inflation valve 46 for balance of the wheel. As shown the inflation valves 46 are fed via a pressure control valve 36 and conduits 28, 30, 32 ,34 leading to ducts 52, in stationary axles 18, 20, 22 and 24 which communicate with passages 50 in the rotary wheel hubs. The pressure-control valve 36 may be set to provide any desired pressure of air in the conduits 28, 30, 32, 34 or may be set to connect these conduits to atmosphere to relieve the pressure on seals 54, 56 at the rotary connection between ducts 52 and passages 50. The deflation values 60 are controlled by pressure air which is fed from the source 27 via a conduit 38, a two-way valve 58 ...

Tyre pressure control system

Filter device

Vented gaiter

Improvements in means for inflating the india rubber tyres of motor carriages, cars or other vehicles

... 175,303. Dooley, J. E. Dec. 15, 1920. Tyres, details and arrangements in connection with inflation of.-In means for inflating tyres while running, compressed air is supplied through a flexible pipe m, an annular cavity i in a sleeve clamped between flanges on the axle casing, an axial passage g, an annular cavity p in the hub, and a hollow spoke.

CENTRAL TIRE INFLATION SYSTEM

ROTARY JOINT FOR A TIRE PRESSURE ADJUSTMENT SYSTEM.

EXPAND-CASH OH PLUG WITH THE USE WITH AUTOMATIC TIRE FILLING SYSTEMS

WHEEL AXLE AND ANTRIEBSODER DRIVE SHAFT FOR VEHICLES WITH CENTRAL TIRE PRESSURE SUPPLY

DEVICE FOR THE ADAPTATION OF AN AIRCRAFT TIRE TO A CENTRAL TIRE FILLING SYSTEM

Shaft seal

A shaft seal (24) is proposed, comprising an annular base body (26), the one outer surface (28) thereof forming a sealing surface running in the circumferential direction, and from the other, opposing outer surface (32) thereof at least two circumferential sealing lips (34, 36) extend radially, between which an outer cavity (38), open to the outside, is delimited. In order to enable a suitable coupling for pressure medium transmission between a fixed body (14) and a rotatable body (12) arranged coaxial thereto, the shaft seal (24) is characterized by a pressure medium inlet (54) in an outer wall of the base body (26) and a pressure medium outlet (56), which discharges into the outer cavity (38) and is in fluid connection with the inlet (54).

APPARATUS FOR CONTROLLING TIRE INFLATION PRESSURE

An apparatus At for controlling tire inflation pressure is constructed such that, an outlet side end portion 21 a1 of a supplying passageway 21 e is opened on an outer circumference of a column-shaped boss portion 21 D provided in an axle 20, and further, an inlet side end portion 11a1 of an introducing passageway 11a is opened on an inner circumference of a annular hub portion 11 b provided in a wheel 11 , and by mounting the wheel 11 onto the axle 20, the inner circumference of the annular hub portion 11b is engaged with the outer circumference of the column-shaped boss portion 21 D, and thereby the outlet side end portion 21a1 and the inlet side end portion 11a1 are communicatively connected each other air tightly. Thus, easiness in mounting a vehicle wheel assembly 10 relative to the axle 20 can be improved.

APPARATUS FOR DELIVERING AIR THROUGH POWERED AXLE ASSEMBLIES

An apparatus for delivering air through a powered axle assembly and an improved powered axle assembly which incorporates the apparatus. The apparatus comprises: a base attachable to a non-rotating structure within the axle assembly and a rotor mountable in the axle assembly for rotating with the drive axle and for forming an air chamber between the rotor and the base. The base includes at least one air inlet for delivering air to the air chamber and the rotor includes at least one air outlet for air flow out of the chamber.

TIRE PRESSURE CONTROL IN A VEHICLE

ABSTRACT OF THE DISCLOSURE A source of relatively high air pressure is connected to a pressure regulator which provides a lower relatively uniform predetermined pressure to a plurality of tires on wheels of a vehicle. If the pressure in any one of the tires drop below the others, the pressure from the regulator automatically brings it up to the uniform pressure.

ROTARY UNION FOR AUTOMATIC TIRE INFLATION SYSTEM

A rotary union for a tire inflation system may comprise a stator and a rotor assembly, and may he contained entirely within the space formed by a hubcap and wheel end. T he rotor assembly may be mounted to the interior of a hubcap. The rotor assembly may comprise a tube that extends into the stator. The tube may be sealed in the rotor assembly by a first annular seal, and may be sealed in the stator by a second annular seal.

SYSTEM AND METHOD USING A PRESSURE REDUCTION VALVE

In some embodiments, a wheel end assembly may comprise a hubcap mounted to a wheel rotatable on an axle on a vehicle, an air pressure supply positioned inside the axle and connected to a pressure source on the vehicle, a rotary union mounted to the hubcap and in fluid communication with the air pressure supply, a valve stem mounted to the wheel, the valve stem including a valve and an auxiliary port, an air hose connected at a first end to the rotary union and at a second end to the valve stem so as to allow air to flow from the air pressure supply through the air hose to the valve stem, and a manually- operable, electrically-operable or automatic pressure reduction valve connected to the auxiliary port. The pressure reduction valve may comprise one of a metering, timed or deceleration valve, or other suitable valve allowing for relatively high air flow.

SYSTEM AND METHOD USING A PRESSURE REDUCTION VALVE

In some embodiments, a wheel end assembly may comprise a hubcap mounted to a wheel rotatable on an axle on a vehicle, an air pressure supply positioned inside the axle and connected to a pressure source on the vehicle, a rotary union mounted to the hubcap and in fluid communication with the air pressure supply, a valve stem mounted to the wheel, the valve stem including a valve and an auxiliary port, an air hose connected at a first end to the rotary union and at a second end to the valve stem so as to allow air to flow from the air pressure supply through the air hose to the valve stem, and a manually-operable, electrically-operable or automatic pressure reduction valve connected to the auxiliary port. The pressure reduction valve may comprise one of a metering, timed or deceleration valve, or other suitable valve allowing for relatively high air flow.

Tire inflation system having a passage for routing pressurized gas through a flange

A tire inflation system having a first conduit and a flange. The first conduit may supply a pressurized gas for inflating a tire. The flange may be coupled to an axle flange. The flange may have a passage that routes the pressurized gas through the flange.

AXLE ASSEMBLY AND THE TIRE INFLATION SYSTEM MADE THEREWITH

An axle assembly includes a first axle shaft. The first axle shaft includes a first conduit. A second axle shaft includes a second conduit. The first conduit and the second conduit are in fluid communication through a chamber. A differential is operatively connected to the first axle shaft and the second axle shaft. The chamber is at least partially disposed within the differential.

Tire Pressure Control System

A tire pressure control system for a tire mounted to a wheel of a vehicle is disclosed. The tire pressure control system comprises a servo system mounted to the wheel that includes a servo mechanically connected to a vent valve that is in fluid communication with a gas inside the tire. The vent valve is adapted for bleeding the gas out of the tire and into the ambient atmosphere. A pressure sensor is in fluid communication with the gas inside the tire, and a control circuit is electrically connected to the servo and the pressure sensor. The control circuit further includes a signal receiving means and a memory for storing a commanded pressure signal. The control circuit actuates the servo to open the vent valve when the pressure sensor indicates a tire pressure of greater than the commanded pressure. A master control unit is adapted to transfer the commanded pressure signal to the control circuit through a transmission means. The servo system further includes a second servo mechanically ...

Central Tire Deflation/Inflation System

A tire deflation and inflation system for a vehicle. The system includes a unit bearing having a plurality of wheel flanges for mounting a wheel thereto. The unit bearing is configured to receive therein a portion of an axle of the vehicle. A wheel hub is mounted to the unit bearing. An air chamber is defined by the unit bearing. In response to positive air pressure generated by an air pressure source, air flows through the air chamber to a tire of the wheel mounted to the unit bearing to increase air pressure of the tire. In response to negative air pressure generated by venting the system to atmosphere, air is drawn out of the tire through the air chamber.

ВРАЩАЮЩЕЕСЯ СОЕДИНЕНИЕ ДЛЯ КОЛЕСА ГРУЗОВОГО АВТОМОБИЛЯ

FIELD: motor industry.SUBSTANCE: rotary transmission for a vehicle wheel with tire pressure regulation includes a wheel bearing device and a wheel mounted in the bearings on the wheel carrier, with the possibility of rotation of the wheel hub. In the intermediate space between the wheel carrier and the wheel hub, an annular chamber for compressed air and at least an annular chamber for the lubricant are formed, which are sealed against each other. In this case, the annular chamber for compressed air communicates with a channel for compressed air of the wheel carrier and with the channel for compressed air of the wheel hub, wherein the compressed air channel of the wheel hub communicates with the controllable valve to optionally fill the tire of the truck wheel with compressed air or discharge compressed air therefrom. Annular chamber for the lubricant is again communicated with the lubricant channel of the wheel carrier and with the lubrication channel of the wheel hub, the channel for the wheel hub lubricant leads to the connection of the control line of the valve, so as to optionally adjust the valve for passing compressed air.EFFECT: reduction of the level of wear of the rotating joint for simplicity and compactness of its construction.14 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 669 879 C2 (51) МПК B60C 23/00 (2006.01) B60B 27/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B60C 23/00 (2006.01); B60B 27/00 (2006.01) (21)(22) Заявка: 2015121689, 05.06.2015 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): КЕССЛЕР УНД КО. ГМБХ УНД КО. КГ (DE) Дата регистрации: 16.10.2018 DE 8705739 U1, 20.08.1987. DE 827605 C, 10.01.1952. 06.06.2014 DE 102014108028.9 (43) Дата публикации заявки: 27.12.2016 Бюл. № 36 (45) Опубликовано: 16.10.2018 Бюл. № 29 2 6 6 9 8 7 9 R U (54) ВРАЩАЮЩЕЕСЯ СОЕДИНЕНИЕ ДЛЯ КОЛЕСА ГРУЗОВОГО АВТОМОБИЛЯ (57) Реферат: Вращающееся соединение для колеса ...

ROTIERENDES GELENK FUER EINE REIFENDRUCKREGELANLAGE.

STUB AXLE

Vehicle Axle Assembly

CENTRAL TIRE INFLATION SYSTEM

Tyre inflation

VECICLE HAVING A PRESSURE CONTROLLABLE PNEUMATIC TYRE AND A METHOD FOR THE REMOTE CONTROL OF THE INTERNAL PRESSURE OF THE TYRE

Filter device

Tyre inflation control arrangement

System and method using a pressure reduction valve

In some embodiments, a wheel end assembly may comprise a hubcap mounted to a wheel rotatable on an axle on a vehicle, an air pressure supply positioned inside the axle and connected to a pressure source on the vehicle, a rotary union mounted to the hubcap and in fluid communication with the air pressure supply, a valve stem mounted to the wheel, the valve stem including a valve and an auxiliary port, an air hose connected at a first end to the rotary union and at a second end to the valve stem so as to allow air to flow from the air pressure supply through the air hose to the valve stem, and a manually-operable, electrically-operable or automatic pressure reduction valve connected to the auxiliary port. The pressure reduction valve may comprise one of a metering, timed or deceleration valve, or other suitable valve allowing for relatively high air flow.

Rotary union for automatic tire inflation system

A rotary union for a tire inflation system may comprise a stator and a rotor assembly, and may be contained entirely within the space formed by a hubcap and wheel end. The rotor assembly may be mounted to the interior of a hubcap. The rotor assembly may comprise a tube that extends into the stator. The tube may be sealed in the rotor assembly by a first annular seal, and may be sealed in the stator by a second annular seal.

TIRE PRESSURIZATION CONTROL SYSTEM

TIRE PRESSURIZATION CONTROL SYSTEM A tire pressure control system includes means for restoring and maintaining specified tire pressure by applying intermittent regulated air pressure to the tire through a rotating seal near the wheel when the air pressure is too low. If the air pressure in the tire is at a predetermined safe operating level, the air pressure through the rotating seal is blocked.

Tire Pressure Control System Having Rotary Feedthrough

The invention relates to a tire pressure control system for a motor vehicle, comprising a rotary feedthrough ( 7 ) having a stator and a rotor for transferring compressed air, fed from a compressed air source on the vehicle side to the rotor (R) designed for supporting a wheel. The rotary feedthrough ( 7 ) comprises an annular chamber ( 25 ) present between the rotor (R) and the stator (S) that can be sealed off by activatable seals ( 15, 16 ). A stator side and a rotor side air channel ( 8, 17 ) open into said chamber. The seals ( 15, 16 ) that can be activated for the purpose of compressed air transfer are disposed spaced apart in an axial arrangement having the same or approximately the same spacing from the rotary axis of the rotor (R). According to the invention, either the seals ( 15, 16 ) are designed for operating facing each other and an annular grove ( 18 ) present between the seals ( 15, 16 ) and open to the rotor (R) in the radial direction engages in rotor flange ( 19 ). The seals ( 15, 16 ) act against the opposite outer sides ( 20, 21 ) thereof when activated, for the purpose of sealing off the annular chamber. According to an alternative embodiment, the seals are designed to operate facing away from each other and the seals are disposed on a stator flange engaging in an annular grove and, when activated, act for the purpose of sealing the annular chamber against the groove walls of the rotor side annular groove, which are situated opposite one another. The part of the annular grove ( 18 ) sealed off by the activated seals ( 15, 16 ) in each case forms the annular chamber ( 25 ).

Tire management system

A tire management system for a truck or trailer comprising an axle having a first tire mounted thereto, the system comprising an air pressure supply connected to the tire so as to allow sealed communication of pressurized air between the air pressure supply and the first tire, and a first pilot-operated check valve in sealed fluid communication with the air pressure supply and with the first tire, the first pilot-operated check valve being configured to allow air to flow only from the air pressure supply to the first tire when a pilot of the first pilot check valve is not activated, and to allow air to flow between the first tire and the air pressure supply when the pilot of the first pilot-operated check valve is activated.

Device for Adapting the Tire Pressure During Travel

A device for adapting actual tire pressure of a tire of a wheel of a vehicle axle to a current setpoint tire pressure during travel includes a chassis-side central device and a wheel-related pneumatic pressure-control device. The pressure control device includes a second connection which is at the actual tire pressure. A control valve with an open position connects a first connection to the second connection, and with a blocking position blocks this connection. A pilot control valve performs pilot control of the control valve. The pressure control device also has a bypass line, which bypasses the control valve and the pilot control valve, connects the first connection to the second connection, and has a non-return valve which opens in the inflation direction of the tire and blocks in the deflation direction of the tire.

Tire Inflation System Having a Pressure Relief Valve

A tire inflation system for a vehicle. The tire inflation system may include at least one pressure relief valve. The pressure relief valve may be normally closed and may be configured to vent pressurized gas from a tire when a pressure of the pressurized gas in the tire exceeds a threshold pressure.

Wheel end sensor for heavy-duty vehicles

A wireless sensor for a wheel end assembly of a heavy-duty vehicle is provided. The wheel end assembly includes a wheel hub and a hub cap mounted on the wheel hub. The sensor includes mounting means disposed in the hub cap. Sensing means are mounted on the mounting means to sense at least one condition of the vehicle. A processor is mounted on the mounting means and is electrically connected to the sensing means to process data from the sensing means. Communication means are mounted on the mounting means and are electrically connected to the processor to communicate the processed data to a user. An electrical energy storage device is mounted on the mounting means and is electrically connected to the sensing means, the processor and the communication means, enabling the sensor to be independent from the vehicle power supply. The sensor also accommodates components of a tire inflation system.

Pilot operated regulator with adjustable minimum delivery pressure

A regulator for establishing outlet fluid pressure. The regulator includes a valve body having a fluid pressure inlet in selective fluid communication with a fluid pressure outlet. A pilot pressure inlet is formed in the valve body and in fluid communication with a source of pilot pressure. Valving structure in the valve body establishes outlet fluid pressure as a function of pilot pressure. First adjustable structure within the valve body may establish a minimum outlet fluid pressure threshold without regard to pilot pressure. Second adjustable structure within the valve body may establish outlet fluid pressure offset relative to pilot pressure.

Variable tread axle assembly for tire inflation system

An axle assembly is provided for a tire inflation system and supports a wheel which is movably mountable on the axle. The axle assembly includes an axle housing, an axle rotatably supported by the axle housing and an end plate sealingly engaging an end of the axle. A supply passage and a pilot conduit extend axially along a central axis of the axle, and communicate supply and pilot inlets to supply and pilot outlets in the end plate. Flexible supply and pilot hoses are coiled around an outer surface of the axle and connect the outlets to an inflation control valve mounted to a hub of the wheel. The supply passage and pilot conduit are coaxial and the pilot conduit extends through the supply passage.

Tire management system and method

A tire management system includes a control valve and a check valve. A method for managing a tire includes: determining a pressure parameter value, determining an operational parameter for a valve based on the pressure parameter value, and controlling the valve based on the operational parameter.

Filter device

A filter device ( 7, 8 ) for a conduit ( 9, 10 ) comprises a gas-permeable pre-filter element ( 21, 23 ) and a gas-permeable, liquid-impermeable filter element ( 22, 24 ). The filter device ( 7, 8 ) is configured to be fluidly coupled to a conduit ( 9, 10 ) such that a gas can be caused to flow, in sequence, through the pre-filter element ( 21, 23 ), the filter element ( 22, 24 ) and then the conduit ( 9, 10 ). Such a filter device ( 7, 8 ) can for example be used in each of a vehicle hollow driveshaft ( 2 ) and a hollow wheel stub axle ( 6 ) forming a CV joint ( 11 ) having a compressed air supply line which passes therethrough, as is the case in some central tyre inflation systems (CTISs). Thus, compressed air can be supplied via said air supply line without the need for an additional fluid transfer device fluidly connecting the driveshaft and the stub axle's conduits ( 9, 10 ).

Vehicle operational diagnostics and condition response system

A vehicle operational diagnostics and condition response system includes at least an axle supporting a vehicle frame, a suspension disposed between and secured to each the vehicle frame and the axle, a load detection device interacting with the suspension and communicating with a system controller, wherein the system controller is supported by the vehicle frame, and a vehicle operational lighting system supported by the frame and communicating with the system controller. The vehicle operational lighting system is activated by the system controller in response to load detection data received by the system controller from the load detection device.

Utility vehicle having a chassis on which a tire inflation system can be arranged

A utility vehicle having a chassis on which a tire inflation system is configured to be arranged, wherein the chassis has at least one axle with a cavity which is embodied as a compressed-gas reservoir in which a gas at a specified gas pressure is stored for inflating a tire of the utility vehicle with the gas, wherein the compressed-gas reservoir has a wall with a compressive strength of at least 0.9 N/mm2, preferably at least 1.4 N/mm2.

用于轮胎充气系统的旋转接头组件

一种用于轮胎充气系统的旋转接头组件包括旋转部分。旋转部分附接到轮辋以与其一起旋转。旋转部分包括中心部分，其具有形成在其中的空气通路。旋转接头组件还包括非旋转部分。非旋转部分具有形成在其中的非旋转部分空气通路。非旋转部分空气通路经由腔室与形成在旋转部分中的空气通路流体连通。一对环形密封构件附接到旋转部分并且密封地接触非旋转部分的密封表面。环形密封构件限定了腔室的内侧端部和外侧端部。

Constant pressure pneumatic balancing tire inflation system

本发明涉及恒定压力车辆轮胎充气系统，其包括空气供应源。第一车轮阀与车辆的第一轮胎流体连通，并且第二车轮阀与车辆的第二轮胎流体连通。气动管道在空气供应源和车轮阀之间延伸，并且与空气供应源和车轮阀流体连通。气动管道的至少一部分保持填充有来自供应源和轮胎中至少一个的空气。该系统包括用于在气动管道以及第一和第二车轮阀之间分配空气流的装置，其中车轮阀和该装置选择性地维持第一和第二轮胎与气动管道之间的流体连通，以提供轮胎之间的气动平衡，并且当轮胎经历显著压力损失时车轮阀提供应急保护。

The vehicle-mounted integrated system of the pressure of tire for adjusting motor vehicles

一种用于调节机动车辆的轮胎的压力的车载集中式系统。系统包括加压空气源(101)、两个各自与机动车辆的驱动车轮(W)相关联的环状气动旋转接头(T)以及使加压空气源(101)与每个气动旋转接头(T)的入口配件连通的回路。等速接头(J)的输出构件和轮轴(7)具有用于使空气通过的内部管道(65)，内部管道(65)在一侧上连接到相应气动旋转接头(T)并且在另一侧上连接到相应驱动车轮(W)的气室(P)。每个非驱动车轮(WR)使其轮轴(46)由用于使空气通过的轴向孔横穿，轴向孔在一侧上经由气动旋转接头(TR)连接到空气供应回路并且在另一侧上连接到非驱动车轮(WR)的气室(PR)，气室(PR)又连接到轮胎的内部室(C)。每个驱动车轮或非驱动车轮使其气室(P,PR)经由分别用于使轮胎放气和充气的两个平行管线(L2,L3)连接到轮胎的内部室(C)，相应单向阀(28,32)插设在两个平行管线(L2,L3)中。放气管线上的单向阀(28)设置有回位弹簧(30)，其保证轮胎的内部室(C)的压力的预设最小值。

Apparatus for controlling tire inflation pressure

타이어 팽창압 제어 장치 (At) 는 공급 통로 (21e) 의 출구측 단부 (21e1) 가 차축 (20) 의 주상 보스부 (21D) 의 외주에서 개방되고, 또한, 도입 통로 (11a) 의 입구측 단부 (11a1) 는 차량 바퀴 조립체 (10) 의 바퀴 (11) 에 있어서의 환형 허브부 (11b) 의 내주에서 개방되고, 차량 바퀴 조립체 (10) 의 바퀴 (11) 를 차축 (20) 에 장착함으로써, 차량 바퀴 조립체 (10) 의 바퀴 (11) 에 있어서의 환형 허브부 (11b) 의 내주가 차축 (20) 의 주상 보스부 (21D) 의 외주에 끼워맞춤되어서, 공급 통로 (21e) 의 출구측 단부 (21e1) 와 도입 통로 (11a) 의 입구측 단부 (11a1) 가 서로 기밀하게 연통 접속되도록 구성된다. 따라서, 차량 바퀴 조립체 (10) 를 차축 (20) 에 장착할 때의 용이성이 향상될 수 있다. The tire inflation pressure control device At has the outlet side end 21e1 of the supply passage 21e open at the outer circumference of the columnar boss portion 21D of the axle 20, and the inlet side end of the introduction passage 11a. The 11a1 is opened at the inner circumference of the annular hub portion 11b in the wheel 11 of the vehicle wheel assembly 10, and by mounting the wheel 11 of the vehicle wheel assembly 10 to the axle 20, The inner circumference of the annular hub portion 11b in the wheel 11 of the vehicle wheel assembly 10 is fitted to the outer circumference of the columnar boss portion 21D of the axle 20, so that the outlet side end of the supply passage 21e is provided. It is comprised so that 21e1 and the inlet side edge part 11a1 of the introduction passage 11a may be connected to each other by airtight communication. Thus, the ease of mounting the vehicle wheel assembly 10 to the axle 20 can be improved.

Method of automatically controlling air pressure in car tyre from driver's seat

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Constant pressure pneumatic balancing tire inflation system.

Un sistema para inflar neumáticos de vehículo de presión constante incluye una fuente de suministro de aire. Una primera válvula de rueda se encuentra en comunicación de fluido con un primer neumático del vehículo, y una segunda válvula de rueda se encuentra en comunicación de fluido con un segundo neumático del vehículo. Un conducto neumático se extiende entre y se encuentra en comunicación de fluido con la fuente de suministro de aire y las válvulas de rueda. Por lo menos una porción del conducto neumático permanece cargada con aire desde por lo menos una de la fuente de suministro y los neumáticos. El sistema incluye medios para distribuir flujo de aire entre el conducto neumático y la primera y segunda válvulas de rueda, en las cuales las válvulas de rueda y los medios mantienen selectivamente la comunicación de fluido entre el primero y segundo neumáticos y el conducto neumático para proporcionar equilibrio neumático entre los neumáticos, y las válvulas de rueda proporcionan protección de emergencia cuando un neumático experimenta pérdida de presión significativa.

Tire inflation system apparatus and method

A tire inflation system includes an air supply source in selective fluid communication with a tire via a pneumatic conduit. A first valve is in fluid communication with the pneumatic conduit in between a first portion and a second portion of the conduit. A second valve that includes a vent channel is in fluid communication with the pneumatic conduit between the second portion and a third portion of the conduit. A rotary union is in fluid communication with the third portion of the conduit adjacent the tire. A first pressure indicator is in fluid communication with the first portion of the pneumatic conduit and a second pressure indicator is in fluid communication with the third portion of the pneumatic conduit. An inflation pressure of the tire is measured with a step-up procedure and the tire is inflated with an extended-pulse procedure.

Heavy vehicle tyre pressure equalisation - has pipe fed through hollow axle from valves of water filled tyres

Equipment to equalise the load between two tyres on a heavy vehicle axle, includes a member (1) forming a part of the frame, supporting a fixed axle (2). There can be more than one pair of wheels (3, 4) and more than one axle. The tyres (7) are filled with water under pressure. In the shaft is a longitudinal hole (9), and, in it, a tube (10). At each shaft end is a junction (13), leading to a pipe (15) to a valve (8) in the tyre (7). Pressure in the two tyres is thus equalised and operation on rough ground is improved.

DEVICE FOR CONNECTING AN AIRCRAFT WHEEL TIRE TO A PNEUMATIC AIRCRAFT CONTROL PANEL

Tire management system and methods

IMPROVED HYDRAULIC APPARATUS COMPRISING A CONDUIT FOR AIR CIRCULATION

Appareil hydraulique (3) comprenant un stator et un rotor, le rotor étant mobile en rotation par rapport au stator selon un premier axe de rotation (Z-Z) un arbre (4) monté solidaire en rotation du rotor, l'arbre (4) présentant un support de roue (42) aménagé à une extrémité proximale (4P), configuré pour recevoir une jante et un pneumatique, caractérisé en ce que l'arbre (4) présente un canal traversant (47) depuis l'extrémité proximale (4P) jusqu'à une extrémité distale (4D) opposée, et en ce que ledit appareil hydraulique (3) comprend une chambre à air (7) formée à l'extrémité distale de l'arbre (4) et reliée au canal traversant (47), le canal traversant (47) et la chambre à air (7) étant réalisés de manière à permettre une circulation d'air afin de contrôler la pression d'un pneumatique. Hydraulic apparatus (3) comprising a stator and a rotor, the rotor being rotatable relative to the stator along a first axis of rotation (ZZ) a shaft (4) mounted to rotate with the rotor, the shaft (4) having a wheel support (42) arranged at a proximal end (4P), configured to receive a rim and a tire, characterized in that the shaft (4) has a through channel (47) from the proximal end (4P) to an opposite distal end (4D), and in that said hydraulic apparatus (3) comprises an air chamber (7) formed at the distal end of the shaft (4) and connected to the through channel (47) , the through channel (47) and the air chamber (7) being made to allow air circulation to control the pressure of a tire.

wheel end sensor for heavy duty vehicles

resumo ?sensor de extremidade de roda para veículos de carga pesada? um sensor sem fio para um conjunto de extremidade de roda de um veículo de carga pesada é proporcionado. o conjunto de extremidade de roda inclui um cubo de roda e uma calota montada no cubo de roda. o sensor inclui meios de montagem dispostos na calota. meios de detecção são montados nos meios de montagem para detectar pelo menos uma condição do veículo. um processador é montado nos meios de montagem e é eletricamente conectado aos meios de detecção para processar os dados dos meios de detecção. meios de comunicação são montados nos meios de montagem e são eletricamente conectados ao processador para comunicar os dados processados a um usuário. um dispositivo de armazenamento de energia elétrica é montado nos meios de montagem e é conectado eletricamente aos meios de detecção, permitindo que o sensor seja independente da fonte de alimentação do veículo. o sensor também acomoda componentes de um sistema de inflação de pneu. overview? wheel end sensor for heavy duty vehicles? A wireless sensor for a wheel end assembly of a heavy duty vehicle is provided. The wheel end assembly includes a wheel hub and hubcap mounted on the wheel hub. The sensor includes mounting means disposed on the cap. detection means are mounted on the mounting means to detect at least one condition of the vehicle. A processor is mounted on the mounting means and is electrically connected to the sensing means to process the sensing data. Communication media are mounted on the mounting media and are electrically connected to the processor to communicate the processed data to a user. An electrical energy storage device is mounted on the mounting means and is electrically connected to the sensing means, allowing the sensor to be independent of the vehicle's power supply. The sensor also accommodates components of a tire inflation system.

Constant pressure pneumatic balancing tire inflation system

A constant pressure vehicle tire inflation system includes an air supply source. A first wheel valve is in fluid communication with a first tire of the vehicle, and a second wheel valve is in fluid communication with a second tire of the vehicle. A pneumatic conduit extends between and is in fluid communication with the air supply source and the wheel valves. At least a portion of the pneumatic conduit remains charged with air from at least one of the supply source and the tires. The system includes means for distributing air flow between the pneumatic conduit and the first and second wheel valves, in which the wheel valves and the means selectively maintain fluid communication between the first and second tires and the pneumatic conduit to provide pneumatic balancing between the tires, and the wheel valves provide emergency protection when a tire experiences significant pressure loss.

A tire inflation system and wheel sensor and method of use

A tire inflation system and wheel speed sensor system having a hollow shaft rotatable with a drive mechanism. The shaft extends into the hollow end of an axle. A angular velocity system rotates with the shaft within the hollow end of the axle. A sensor, mounted within the axle, senses the rotation of the angular velocity system. The hollow shaft is a conduit for air from an air source to at least one tire.

Wheel end assembly high-temperature warning system

The present invention is directed to a wheel end assembly having a high temperature warning system (10) for giving a warning in the event that the temperature in the assembly reaches a predetermined value such as caused by hub bearing failure or a brake related failure. In one embodiment, the system may be a stand-alone system for installation on any vehicle such as a trailer. In another embodiment, the system may be combined with automatic tire inflation system (100).

Automobile tire pneumatic pressure controlling apparatus

An automobile tire pneumatic pressure controlling apparatus is disclosed. The automobile includes a vehicle body, vehicle compartment and axle shaft, and the control apparatus comprises a pressure source, a communication passage extending through the axle shaft and having one end opened to the automobile tire. The control apparatus further comprises a coupling means and valve means. The coupling means has a sealing means in sliding contact with the axle shaft and fluid-tightly maintains fluid communication between the pressure source and the other end of the communication passage. The valve means is disposed on a fluid path between the pressure source and the tire.

Utility vehicle with tire filling system

The invention relates to a utility vehicle with a chassis on which a tire filling system can be arranged or is arranged. The chassis has at least one axle with a cavity that is designed as a compressed gas store in which a gas is stored at a specified gas pressure in order to fill a tire of the utility vehicle with the gas. The compressed gas store has a wall with a compressive strength of at least 0.9 N/mm

Rotary air connection with central valve for tire inflation system

A rotary air connection for an automatic tire inflation system having an air pressure source, the rotary air connection comprising a stationary portion and a rotatable portion rotatably mounted to the stationary portion, the rotary air connection having a central channel with a one-way check valve disposed in the central channel so as to allow fluid to flow from the air pressure source in one direction through the central channel but not in the opposite direction toward the air pressure source.

Digital wheel end assembly temperature monitoring system

A wheel end high-temperature warning system for a vehicle having a wheel-end assembly mounted to an axle is described. The system may include a first temperature sensor including a sensor head configured for mounting within a spindle section of the wheel end assembly, the sensor head in a heat exchange relationship with a bearings of the wheel-end assembly. The system may further include a transmitter disposed on the axle to which the wheel-end assembly is mounted, the transmitter being configured to receive a first sensor signal from the first temperature sensor indicative of a wheel-end temperature and transmit the signal to a receiver. A vehicle data acquisition module may be coupled to the receiver, the data acquisition system being programmed to receive the first sensor signal and process the signal to determine a measured temperature of the spindle.

Digital wheel end assembly temperature monitoring system

Commercial vehicle with a chassis to which a tire filling system can be arranged

Nutzfahrzeug mit einem Fahrwerk, an welchem ein Reifenbefüllsystem anordenbar oder angeordnet ist, wobei das Fahrwerk mindestens eine Achse mit einem Hohlraum aufweist, welcher als Druckgasspeicher, in welchem ein Gas bei einem vorgegebenen Gasdruck zum Befüllen eines Reifens des Nutzfahrzeuges mit dem Gas gespeichert ist, ausgebildet ist, wobei der Druckgasspeicher eine Wandung mit einer Druckfestigkeit von mindestens 0,9 N/mm, bevorzugt mindestens 1,4 N/mm, aufweist. Commercial vehicle with a chassis to which a Reifenbefüllsystem be arranged or arranged, wherein the chassis has at least one axis with a cavity, which is stored as a compressed gas storage in which a gas at a predetermined gas pressure for filling a tire of the utility vehicle with the gas is, wherein the compressed gas storage has a wall with a compressive strength of at least 0.9 N / mm, preferably at least 1.4 N / mm.

Tire inflation system having a pressure relief valve

A tire inflation system for a vehicle. The tire inflation system may include at least one pressure relief valve. The pressure relief valve may be normally closed and may be configured to vent pressurized gas from a tire when a pressure of the pressurized gas in the tire exceeds a threshold pressure.

A tire inflation and deflation valve

Tire pressure management system

A tire pressure management system (110) includes at least an axle (16) enclosing a pressurized fluid, a hubcap (32) supported by the axle (16) and having an interior (64) and an exterior (34), a rotary union (10) axially aligned with the axle (16) and mounted to the hubcap, the rotary union includes at least rotary union housing (32) providing a central bore (84), a fluid conduit (28) having upstream (46) and downstream (48) ends, a first bearing (52) and a second bearing (54). Each of the bearings are in contact engagement with the fluid conduit (28) via an inner race, and in pressing engagement with a bearing sleeve (132) via an outer race, the bearing sleeve (132) in pressing contact with the central bore (84); and a first and second seal, the first seal is disposed between the first bearing (52) and the downstream end (48) of the fluid conduit (28), and the second seal is disposed between the second bearing (54) and the upstream end (46) of the fluid conduit (28).

Air admission for blown tyres of vehicles of epicyclicgear wheel body

DEVICE FOR CONNECTING AN AIRCRAFT WHEEL TIRE TO A PNEUMATIC AIRCRAFT CONTROL PANEL

L'invention concerne un dispositif pour connecter sélectivement à une centrale pneumatique d'un aéronef un pneumatique d'une roue montée tournante sur un essieu creux de l'aéronef, le dispositif comprenant un stator (11) et un rotor (12) qui est monté tournant sur le stator et qui comporte des moyens (13) de son entraînement en rotation par la roue. Selon l'invention, le stator est en forme de cloche qui est prévue pour être reçue à ajustement dans l'essieu et qui comporte une paroi de fond (19) qui porte un premier port pneumatique pour sa connexion à la centrale pneumatique par un tuyau cheminant dans l'essieu, le rotor s'étendant substantiellement à l'intérieur du stator. The invention relates to a device for selectively connecting to a pneumatic plant of an aircraft a tire of a wheel rotatably mounted on a hollow axle of the aircraft, the device comprising a stator (11) and a rotor (12) which is rotatably mounted on the stator and having means (13) for driving it in rotation by the wheel. According to the invention, the stator is bell-shaped which is adapted to be axially adjusted and has a bottom wall (19) which carries a first pneumatic port for connection to the pneumatic unit by means of a pipe. traveling in the axle, the rotor extending substantially inside the stator.

Tire inflation control system

Valve stem with auxiliary port

A valve stem may comprise an auxiliary port. Devices such as an air pressure gauge, a tire pressure monitoring system sensor, temperature gauges and one-way valves may be mounted to the auxiliary port. A valve stem with auxiliary port may be used in an automatic tire inflation system. A sleeve may be translatably mounted to the valve stem to cover and uncover the auxiliary port.

Steer axle tire inflation system.

Un vástago de eje de dirección puede tener uno o más canales formados en el mismo. Una unión giratoria puede montarse a un ensamble de extremo de rueda de eje de dirección. La unión giratoria puede conectarse en forma herméticamente cerrada a una fuente de fluido presurizado a través del canal, y conectarse en forma herméticamente cerrada a un neumático de vehículo.

Apparatus for delivering air through powered axle assemblies

An apparatus for delivering air through a powered axle assembly and an improved powered axle assembly which incorporates the apparatus. The apparatus comprises: a base attachable to a non-rotating structure within the axle assembly and a rotor mountable in the axle assembly for rotating with the drive axle and for forming an air chamber between the rotor and the base. The base includes at least one air inlet for delivering air to the air chamber and the rotor includes at least one air outlet for air flow out of the chamber.

Central tire inflation system and method

A vehicle Central Tire Inflation Systems (CTIS). Specifically, the invention includes, but is not limited to, a quick-release fitting in fluid communication with the CTIS and attached to an air supply hose which terminates in another threadable or quick-release fitting for attachment to the wheel inflation stem. The device allows pressurized air to be supplied to the tires from the CTIS, but quickly disconnected from a tire in the event of a tire casualty or need to change wheel rims.

Steering spindle tire inflation system

转向轴转向节可以具有形成在其中的一个或者多个通道。接头可以安装到转向轴车轮端组件。旋转接头可以通过通道密封地连接到加压流体源，并且密封地连接到车辆轮胎。

Vented gaiter

A vented gaiter ( 6 ) for mounting to a shaft ( 4 ) comprises: a rim ( 34 ) defining an opening ( 33 ) for receiving the shaft ( 4 ); and a separate venting element ( 40 ). The venting element ( 40 ) is disposed within said opening ( 33 ). The shaft ( 4 ) is received in the opening ( 33 ), and the rim ( 34 ) is mounted to the shaft by means of a circular clamp ( 22 ). The venting element ( 40 ) is thus retained in place between the shaft ( 4 ) and the rim ( 34 ) and allows any air accumulated inside a CV joint enclosure ( 28 ) formed by the gaiter ( 6 ) when the gaiter ( 6 ) is mounted to the shaft ( 4 ) to vent axially according to a direction substantially parallel to the shaft longitudinal axis. The venting element ( 40 ) comprises a gas-permeable liquid-impermeable membrane ( 41 ).

Trailer tire inflation system

A tire-inflation system for a small trailer may include a fluid pressure source mountable to the trailer, and air conduits providing sealed fluid communication between the air pressure source and the small trailer's pneumatic tires.

Commercial vehicle with a chassis to which a tire filling system can be arranged

Nutzfahrzeug (12), insbesondere Nutzfahrzeuganhänger, umfassend ein Fahrwerk (10), an welchem ein Reifenbefüllsystem anordenbar oder angeordnet ist, wobei das Fahrwerk (10) mindestens eine Achse (20-28) mit einem Hohlraum (30-38) aufweist, wobei die Achse (20-28) als Druckgasspeicher (40), in welchem ein Gas bei einem vorgegebenen Gasdruck zum Befüllen eines Reifens (14) des Nutzfahrzeuges (12) mit dem Gas gespeichert ist, ausgebildet ist, und wobei der Druckgasspeicher (40) eine Wandung (41) mit einer Druckfestigkeit von mindestens 0,9 N/mm 2 aufweist, wobei die mindestens eine Achse (20-28) des Fahrwerks (10) eine Befülleinheit (42) zum Befüllen mit dem Gas umfasst, wobei die Befülleinheit (42) eine Ventilvorrichtung ist, und wobei das Nutzfahrzeug im zur Befüllung des Druckgasspeichers vorgesehenen Fluidsystem verstärkerpumpenfrei ausgebildet ist. Commercial vehicle (12), in particular commercial vehicle trailer, comprising a chassis (10) on which a tire filling system can be arranged or arranged, the chassis (10) having at least one axle (20-28) with a cavity (30-38), wherein the axis (20-28) as a compressed gas storage (40) in which a gas at a predetermined gas pressure for filling a tire (14) of the utility vehicle (12) is stored with the gas is formed, and wherein the compressed gas reservoir (40) has a wall (41) with a compressive strength of at least 0.9 N / mm 2 , wherein the at least one axle (20-28) of the undercarriage (10) comprises a filling unit (42) for filling with the gas, wherein the filling unit (42) is a valve device, and wherein the commercial vehicle in the fluid system provided for filling the compressed gas storage amplifier formed free of booster pump is.

Rotary union for automatic tire inflation system

A rotary union for a tire inflation system may comprise a stator and a rotor assembly, and may he contained entirely within the space formed by a hubcap and wheel end. T he rotor assembly may be mounted to the interior of a hubcap. The rotor assembly may comprise a tube that extends into the stator. The tube may be sealed in the rotor assembly by a first annular seal, and may be sealed in the stator by a second annular seal.

Tire inflation system and method

Wheel end assembly high-temperature warning system

The present invention is directed to a wheel end assembly having a high temperature warning system (10) for giving a warning in the event that the temperature in the assembly reaches a predetermined value such as caused by hub bearing failure or a brake related failure. In one embodiment, the system may be a stand-alone system for installation on any vehicle such as a trailer. In another embodiment, the system may be combined with automatic tire inflation system (100).

Tire management system.

Un sistema para administración de neumáticos para un camión o remolque que comprende un eje que tiene un primer neumático montado al mismo, el sistema comprende un suministro de presión de aire conectado al neumático con el fin de permitir la comunicación cerrada de aire presurizado entre el suministro de presión de aire y el primer neumático, y una primera válvula de retención de operación por piloto en comunicación fluida cerrada con el suministro de presión de aire y con el primer neumático, la primera válvula de retención de operación por piloto se configura para permitir que fluya aire sólo del suministro de presión de aire al primer neumático cuando no se activa un piloto de la primera válvula de retención con piloto, y para permitir que fluya aire entre el primer neumático y el suministro de presión de aire cuando se activa el piloto de la primera válvula de retención de operación por piloto.

Tire inflation system for live spindle wheel end

A central tire inflation system for live spindle wheel ends is disclosed. The live spindle wheel end provides a passage for the routing of air between a central source and a vehicle pneumatic tire. The live spindle wheel end comprises a steering knuckle fixed to a vehicle, a bearing assembly secured to the steering knuckle, and a rotatable spindle mounted within the bearing assembly, driven by a drive shaft of a vehicle transmission. A rubbing slip-ring seal is mounted into a flange portion of the steering knuckle provided a seal chamber between a flange portion of the knuckle and a flange portion of the drive shaft, sealing an air passage between the stationary knuckle and the drive shaft. A communication passage is formed through the drive shaft providing a fluid communication between the seal chamber and the pneumatic tire.

Automotive inner tube sealing device

Rotary joint air collector ring and the tire inflation system made therewith

Steer axle high-temperature warning system

Valve stem with auxiliary port

Utility vehicle with tire filling system

Nutzfahrzeug mit einem Fahrwerk, an welchem ein Reifenbefüllsystem anordenbar oder angeordnet ist, wobei das Fahrwerk mindestens eine Achse mit einem Hohlraum aufweist, welcher als Druckgasspeicher, in welchem ein Gas bei einem vorgegebenen Gasdruck zum Befüllen eines Reifens des Nutzfahrzeuges mit dem Gas gespeichert ist, ausgebildet ist, wobei der Druckgasspeicher eine Wandung mit einer Druckfestigkeit von mindestens 0,9 N/mm2, bevorzugt mindestens 1,4 N/mm2, aufweist.

Rotary joint air collector ring and the tire inflation system made therewith

An assembly for a tire inflation system including a spindle (180) having a fluid conduit (210). The spindle (180) is coupled with a rotary joint spindle (250), and the rotary joint spindle includes a fluid conduit (260) in fluid communication with the spindle fluid conduit. A fluid collector ring (284) is located about the rotary joint spindle (250) such that the fluid collector ring (284) may rotate. The fluid collector ring (284) is also in fluid communication with the rotary joint spindle fluid conduit (260).

Device for inflating pneumatic tires of vehicles

Wheel end sensor for heavy-duty vehicles

A wireless sensor for a wheel end assembly of a heavy-duty vehicle is provided. The wheel end assembly includes a wheel hub and a hub cap mounted on the wheel hub. The sensor includes mounting means disposed in the hub cap. Sensing means are mounted on the mounting means to sense at least one condition of the vehicle. A processor is mounted on the mounting means and is electrically connected to the sensing means to process data from the sensing means. Communication means are mounted on the mounting means and are electrically connected to the processor to communicate the processed data to a user. An electrical energy storage device is mounted on the mounting means and is electrically connected to the sensing means, the processor and the communication means, enabling the sensor to be independent from the vehicle power supply. The sensor also accommodates components of a tire inflation system.

ROTATING GROUP FOR TIRE INFLATION SYSTEM.

A rotary wheel-end assembly (90) is provided that includes a disc-like member (26) that when secured to a vehicular wheel hub (16) is operative to rotate relative a stationary axle spindle as well as provide a first chamber (28) about the end of axle (2). Assembly (90) has a passageway (36) therethrough for conveying pressurized air to the tire from axle (2) and includes a cover (42) secured in spaced-apart relationship to a side of member (26) facing away from axle (2) to provide a second chamber (46). Chambers (28) and (46) are adapted to hold a lubricant for lubricating frictional interaction between rotary assembly (90) and stationary axle (2) as well as wheel bearings (12) and at least one opening (40) is provided through member (26) for providing fluid communication between chambers (28) and (46) in addition to the preferable inclusion of at least one resilient closable member (48) through cover (42) for conveying lubricant into chamber (46).

DEVICE FOR TRANSMITTING COMPRESSED AIR OR CONTROL AND/OR WORKING PRESSURES IN A PTO-SHAFT ARRANGEMENT

Die Erfindung betrifft insbesondere eine Vorrichtung zum Übertragen von druckbeaufschlagten Medien, insbesondere Druckluft, oder Steuer- und/oder Arbeitsdrücken zwischen einem mindestens bereichsweise im Inneren eines ersten insbesondere getriebeseitigen Gelenkwellenabschnitts (3) aufgenommenen oder ausgebildeten ersten Fluidkanal (4) zu einem zweiten Fluidkanal (6), der zumindest bereichsweise im Inneren eines mit einem Endbereich des ersten Gelenkwellenabschnitts (3) gelenkig verbundenen zweiten, insbesondere radseitigen Gelenkwellenabschnitt (5) aufgenommen oder ausgebildet ist, wobei die Vorrichtung einen mit dem ersten und dem zweiten Fluidkanal (4, 6) in Fluidverbindung stehenden oder in Fluidverbindung bringbaren Leitungsabschnitt (7) aufweist, dessen Länge reversibel veränderbar ist. The invention relates in particular to a device for transferring pressurized media, in particular compressed air, or control and/or working pressures, between a first fluid channel (4) accommodated or formed at least in regions inside a first drive shaft section (3), in particular on the transmission side, to a second fluid channel (6 ), which is accommodated or formed at least in regions inside a second, in particular wheel-side, articulated shaft section (5) which is articulated to an end region of the first articulated shaft section (3), the device having a fluid connection with the first and the second fluid channel (4, 6). line section (7) that is stationary or can be brought into fluid connection, the length of which can be reversibly changed.

Wheel end sensor for heavy-duty vehicles

A wireless sensor for a wheel end assembly of a heavy-duty vehicle is provided. The wheel end assembly includes a wheel hub and a hub cap mounted on the wheel hub. The sensor includes mounting means disposed in the hub cap. Sensing means are mounted on the mounting means to sense at least one condition of the vehicle. A processor is mounted on the mounting means and is electrically connected to the sensing means to process data from the sensing means. Communication means are mounted on the mounting means and are electrically connected to the processor to communicate the processed data to a user. An electrical energy storage device is mounted on the mounting means and is electrically connected to the sensing means, the processor and the communication means, enabling the sensor to be independent from the vehicle power supply. The sensor also accommodates components of a tire inflation system.

Filter device

A filter device 7, 8 for a conduit 9, 10 is provided. The filter device comprises a gas-permeable pre-filter element 21, 23 and a gas-permeable, liquid-impermeable filter element 22, 24. The filter device 7, 8 is configured to be fluidly coupled to a conduit 9, 10 such that a gas can be caused to flow, in sequence, through the pre-filter element 21, 23, the filter element 22, 24 and then the conduit 9, 10. Such a filter device 7, 8 can for example be used in each of a vehicle hollow driveshaft 2 and a hollow wheel stub axle 6 forming a CV joint 11 having a compressed air supply line which passes therethrough, as is the case in some central tyre inflation systems (CTISs). Thus, compressed air can be supplied via said air supply line without the need for an additional fluid transfer device fluidly connecting the driveshaft and the stub axles conduits 9, 10. Reference is also made to an articulated joint.

Steer axle tire inflation system

Tire inflation system and method

A tire inflation system includes an air supply source in selective fluid communication with a tire via a pneumatic conduit. A first valve is in fluid communication with the pneumatic conduit in between a first portion and a second portion of the conduit. A second valve that includes a vent channel is in fluid communication with the pneumatic conduit between the second portion and a third portion of the conduit. A rotary union is in fluid communication with the third portion of the conduit adjacent the tire. A first pressure indicator is in fluid communication with the first portion of the pneumatic conduit and a second pressure indicator is in fluid communication with the third portion of the pneumatic conduit. An inflation pressure of the tire is measured with a step-up procedure and the tire is inflated with an extended-pulse procedure.

Shaft seal

A shaft seal is proposed, having an annular base body whereof one lateral surface forms a circumferential sealing surface and whereof the other, opposing, lateral surface has at least two circumferential sealing lips extending radially therefrom, between which an outwardly open outer cavity is delimited. To enable a coupling between a stationary body and a rotatable body arranged coaxially thereto which is suitable for pressure-medium transmission, the shaft seal is distinguished by a pressure-medium inlet in an outer wall of the base body and a pressure-medium outlet which leads into the outer cavity and is in fluid connection with the inlet.

On-board centralized system for regulating the pressure of the tyres of a motor vehicle

一种用于调节机动车辆的轮胎的压力的车载集中式系统。系统包括加压空气源(101)、两个各自与机动车辆的驱动车轮(W)相关联的环状气动旋转接头(T)以及使加压空气源(101)与每个气动旋转接头(T)的入口配件连通的回路。等速接头(J)的输出构件和轮轴(7)具有用于使空气通过的内部管道(65)，内部管道(65)在一侧上连接到相应气动旋转接头(T)并且在另一侧上连接到相应驱动车轮(W)的气室(P)。每个非驱动车轮(WR)使其轮轴(46)由用于使空气通过的轴向孔横穿，轴向孔在一侧上经由气动旋转接头(TR)连接到空气供应回路并且在另一侧上连接到非驱动车轮(WR)的气室(PR)，气室(PR)又连接到轮胎的内部室(C)。每个驱动车轮或非驱动车轮使其气室(P,PR)经由分别用于使轮胎放气和充气的两个平行管线(L2,L3)连接到轮胎的内部室(C)，相应单向阀(28,32)插设在两个平行管线(L2,L3)中。放气管线上的单向阀(28)设置有回位弹簧(30)，其保证轮胎的内部室(C)的压力的预设最小值。

Wheel axle and drive or universal shaft for vehicles with a central tyre pressure supply

The invention relates to a wheel axle and drive shaft or universal shaft for vehicles with a central tyre pressure supply, comprising a pressure medium supply and non-return valve (4a) which is located centrally at the end of the axial bore (2a) after the wheel nut and is connected to a coupling element (5a, 6a) that is coaxial with the axle valve (4a), said coupling element consisting of a radial or axial groove (5a) for a static or dynamic seal (6a). All wheels are interchangeable. Once a wheel has been removed, the axle valve (4a) closes automatically. When a wheel is re-mounted, the axle valve (4a) is opened by the counter-valve (4b) in the rim hub. A coupling (5a, 5c, 6a) that is coaxial with the axle valve (4a) prevents the escape of pressure medium even on a fixed wheel axle (1) during a journey. A slidable coupling consisting of a piston cylinder unit (8, 9) moves the axle valve (4a) away from the rim valve (4b) when the tyre pressure reaches a specified minimum value. This closes the valve (4b), maintaining a constant minimum tyre pressure.

Rotary air connection with central valve for tire inflation system.

Una conexión de aire giratoria para un sistema de inflación de neumáticos teniendo una fuente de presión de aire, la conexión de aire giratoria comprendiendo una porción estacionaria y una porción giratoria montada giratoriamente a la porción estacionaria, la conexión de aire giratoria teniendo un canal central con una válvula de verificación unidireccional colocada en el canal central de manera que permite al fluido fluir desde la fuente de presión de aire en una dirección a través del canal central pero no en la dirección opuesta hacia la fuente de presión de aire.

Rotary feedthrough of a tire pressure control system and arrangement comprising such a rotary feedthrough and mounted on a stub axle hub

Drehdurchführung einer Reifendruckregelanlage zur Übertragung von Luft aus dem Bereich einer Achse eines Fahrzeuges an ein auf einer Nabe (1) sitzendes Rad, welche Drehdurchführung (2, 2.1) – einen mit einem Fluidkanal in axialer Richtung an eine fahrzeugseitige, durch einen Achsstummel (12, 12.1) geführte Luftversorgungsleitung anschließbaren Stator (17, 17.1) sowie einen konzentrisch zu dem Stator (17, 17.1) angeordneten Rotor (6) mit wenigstens einem Anschluss (10) zum Herstellen einer Fluidverbindung mit einem Radventil aufweist, – über Mittel zu ihrer fahrzeugseitigen Befestigung verfügt, welche Befestigungsmittel (8) ausgelegt sind, den Rotor (6) der Drehdurchführung unter Zwischenschaltung einer Dichtung (9) an die drehbar gegenüber dem Achsstummel (12, 12.1) gelagerte Nabe (1) anzuschließen, und – ein erstes Teil einer in axialer Richtung in Eingriff zu stellenden Steckkupplung (22, 25) umfasst, dessen komplementäres Steckkupplungsteil (14, 30) einem das bezüglich seines Reifendruckes zu regelnde Rad tragenden Achsstummel (12, 12.1) zugeordnet ist, dadurch gekennzeichnet, dass der Rotor (6) unter Belassung eines Ringspaltes konzentrisch zu dem Stator (17, 17.1) angeordnet ist und in dem Ringspalt wenigstens eine zum Zwecke einer Reifendruckänderung aktivierbare und wenn aktiviert in radialer Richtung gegen Stator (17, 17.1) und Rotor (6) wirkende Ringdichtung (21) zum Bereitstellen einer abgedichteten Übertragungskammer (20, 32) angeordnet ist, wobei sowohl der wenigstens eine rotorseitige Anschluss als auch der Fluidkanal des Stators (17, 17.1) in Fluidverbindung mit der Übertragungskammer (20, 32) stehen. Rotary feedthrough of a tire pressure control system for the transmission of air from the region of an axle of a vehicle to a seated on a hub (1) wheel, which rotary union (2, 2.1) - one with a fluid channel in the axial direction to a vehicle side, by a stub axle (12, 12.1) guided air supply line connectable stator (17, 17.1) and a concentric with the ...

Constant pressure pneumatic balancing tire inflation system

A constant pressure vehicle tire inflation system includes an air supply source. A first wheel valve is in fluid communication with a first tire of the vehicle, and a second wheel valve is in fluid communication with a second tire of the vehicle. A pneumatic conduit extends between and is in fluid communication with the air supply source and the wheel valves. At least a portion of the pneumatic conduit remains charged with air from at least one of the supply source and the tires. The system includes means for distributing air flow between the pneumatic conduit and the first and second wheel valves, in which the wheel valves and the means selectively maintain fluid communication between the first and second tires and the pneumatic conduit to provide pneumatic balancing between the tires, and the wheel valves provide emergency protection when a tire experiences significant pressure loss.

Rotary wheel-end assembly for tire inflation system

A rotary wheel-end assembly (90) is provided that includes a disc-like member (26) that when secured to a vehicular wheel hub (16) is operative to rotate relative a stationary axle spindle as well as provide a first chamber (28) about the end of axle (2). Assembly (90) has a passageway (36) therethrough for conveying pressurized air to the tire from axle (2) and includes a cover (42) secured in spaced-apart relationship to a side of member (26) facing away from axle (2) to provide a second chamber (46). Chambers (28) and (46) are adapted to hold a lubricant for lubricating frictional interaction between rotary assembly (90) and stationary axle (2) as well as wheel bearings (12) and at least one opening (40) is provided through member (26) for providing fluid communication between chambers (28) and (46) in addition to the preferable inclusion of at least one resilient closable member (48) through cover (42) for conveying lubricant into chamber (46).

Apparatus for controlling tire inflation pressure

用于控制轮胎充气压力的设备(At)被构造为使得，供应通路(21e)的入口侧端部(21e1)在车轴(20)中的柱形凸台部分(21D)的外周上开口，并且引导通路(11a)的入口侧端部(11a1)在设置于车轮(11)中的圈形轮毂部分(11b)的内周上开口，并且通过将车轮(11)安装到车轴(20)上，圈形轮毂部分(11b)的内周与柱形凸台部分(21D)的外周配合，由此出口侧端部(21a1)和入口侧端部(11a1)气密地互相连通地连接。于是，可以提高在相对于车轴(20)安装车辆车轮组件(10)时的方便性。

Constant pressure pneumatic balancing tire inflation system

Constant pressure pneumatic balancing tire inflation system

A constant pressure vehicle tire inflation system includes an air supply source. A first wheel valve is in fluid communication with a first tire of the vehicle, and a second wheel valve is in fluid communication with a second tire of the vehicle. A pneumatic conduit extends between and is in fluid communication with the air supply source and the wheel valves. At least a portion of the pneumatic conduit remains charged with air from at least one of the supply source and the tires. The system includes means for distributing air flow between the pneumatic conduit and the first and second wheel valves, in which the wheel valves and the means selectively maintain fluid communication between the first and second tires and the pneumatic conduit to provide pneumatic balancing between the tires, and the wheel valves provide emergency protection when a tire experiences significant pressure loss.

Imrpoved hyrualic device comprising an air flow line

The invention relates to a hydraulic device (3) comprising: a stator and a rotor, in which the rotor can rotate relative to the stator about a first axis of rotation (Z-Z); and a shaft (4) mounted on the rotor such as to rotate therewith, said shaft (4) having a wheel carrier (42) provided at a proximal end (4P) thereof and designed to receive a rim and a tyre. The hydraulic device is characterised in that the shaft (4) includes a through-channel (47) extending from the proximal end (4P) to an opposing distal end (4D), and in that the hydraulic device (3) comprises an air chamber (7) formed at the distal end of the shaft (4) and connected to the through-channel (47), said through-channel (47) and air chamber (7) being produced such as to allow a flow of air in order to control the pressure of a tyre.

Steer axle high-temperature warning system

A high temperature warning system for a vehicle steer axle air pressure supply, a normally-closed valve in fluid communication with pressure supply, a heat sensitive control capable of opening the normally-closed valve upon a predetermined temperature, the heat sensitive control mounted adjacent to the wheel end assembly in a heat exchange relationship therewith, and a warning system connected to the air pressure supply for actuation upon opening of the normally-closed valve.

A tyre inflation system for an agricultural seeding machine, a planter assembly and a tyre

A tyre inflation system for an agricultural seeding machine is disclosed The agricultural machine includes a jump arm supporting at least one press wheel The tyre inflation system comprises an air delivery path arranged to be in air flow communication with a cavity of a tyre of a press wheel, and an air flow controller operable to cause a delivery of air through the air delivery path to adjust an inflation pressure of the tyre in situ during use of the agricultural machine A planter assembly including a tyre inflation system and a tyre for use with the tyre inflation system are also disclosed

Patent FR2265560A1

Air supply to motor vehicles' tyres with travelling gear with hub's planetary gearing

Load-based tire inflation system for heavy-duty vehicles

A load-based tire inflation system for a heavy-duty vehicle comprises at least one source of fluid pressure, suspension structure of the heavy-duty vehicle, a tire and wheel assembly and a system to control fluid pressure in the tire and wheel assembly. The suspension structure is located between a frame member and an axle and has a condition indicative of a weight of the heavy-duty vehicle. The tire and wheel assembly is operatively mounted to the axle and is in fluid communication with the source of fluid pressure. The control system controls fluid pressure in the tire and wheel assembly in response to the condition of the suspension structure.

ROTATING JOINT FOR A TIRE PRESSURE CONTROL SYSTEM.

A rotary wheel-end assembly (90) is provided that includes a disc-like member (26) that when secured to a vehicular wheel hub (16) is operative to rotate relative a stationary axle spindle as well as provide a first chamber (28) about the end of axle (2). Assembly (90) has a passageway (36) therethrough for conveying pressurized air to the tire from axle (2) and includes a cover (42) secured in spaced-apart relationship to a side of member (26) facing away from axle (2) to provide a second chamber (46). Chambers (28) and (46) are adapted to hold a lubricant for lubricating frictional interaction between rotary assembly (90) and stationary axle (2) as well as wheel bearings (12) and at least one opening (40) is provided through member (26) for providing fluid communication between chambers (28) and (46) in addition to the preferable inclusion of at least one resilient closable member (48) through cover (42) for conveying lubricant into chamber (46).

Rotary transmission leadthrough as part of a tire pressure control system

A rotary transmission leadthrough of a pressure control system for a tire having a hub on an axle, a stator unit mounted thereon so its position is axially adjustable relative thereto. The stator unit has an end member and a bearing member extending therefrom with a bearing surface on its outer radial surface, the end member projecting outwards from the bearing surface. The bearing member retains an inner bearing shell of a rolling bearing carrying the hub. A connector is mounted on the end member to an air supply, and an air conduit connecting the connector with an air passage extending under the bearing surface. An opening in the bearing surface connects to the air passage with an air chamber. A rotor unit connects to the hub by torque fit, and is arranged radially outside to the stator unit bearing member and has a connector connected to the tire valve.

Device for connecting a tire of an aircraft wheel to a pneumatic unit of the aircraft

The invention relates to a device for selectively connecting a tire to a pneumatic unit of an aircraft, the tire forming part of a wheel mounted to rotate on a hollow axle of the aircraft, the device comprising a stator and a rotor that is mounted to rotate relative to the stator and that includes means enabling it to be rotated by the wheel. According to the invention, the stator is bell-shaped and is designed to be received as a push-fit in the axle, and includes an end wall carrying a first pneumatic port for connection to the pneumatic unit via a tube running along the inside of the axle, the rotor extending substantially inside the stator.

Steer axle high-temperature warning system

A high temperature warning system for a vehicle steer axle an air pressure supply, a normally-closed valve in fluid communication with pressure supply, a heat sensitive control capable of opening the normally-closed valve upon a predetermined temperature, the heat sensitive control mounted adjacent to the wheel end assembly in a heat exchange relationship therewith, and a warning system connected to the air pressure supply for actuation upon opening of the normally-closed valve.