Abstract: A wheel end assembly for a tire pressure management system including an axle having an axle end portion and a rotary joint assembly disposed outboard of the axle end portion. The rotary joint has a rotary hub, a non-rotating tube spindle at least partially disposed within the rotary hub, the tube spindle having a tube spindle hollow central chamber, an air seal provided between the rotary hub and the tube spindle, and a bearing assembly provided between the rotary hub and the tube spindle. The bearing assembly is positioned outboard of the air seal.

Abstract: A wheel hub assembly having a non-rotating outer bearing flange and an inner bearing flange disposed at least partially concentrically within the outer bearing flange. At least one rolling element is disposed radially between the outer bearing flange and the inner bearing flange. A port is disposed in the outer bearing flange, and a first conduit is disposed through the outer bearing flange in fluid communication with the fluid port. A second conduit is disposed through the inner bearing flange, wherein the second conduit is in fluid communication with the first conduit. A rotating spindle is disposed at least partially through the inner bearing flange, and the spindle is coupled for rotation with the inner bearing flange.

Abstract: Methods and systems are provided for a coupling device for a tractor and a trailer. In one example, a system, comprising a tractor comprising an engine, a motor, and an electrical energy storage device, a trailer comprising a battery bank and a power distribution unit, and a coupling configured to fixedly couple the trailer to the tractor and to electrically couple the power distribution unit to the electrical energy storage device.

Abstract: An assembly for a tire inflation system includes a ring portion. The ring portion has an outer surface and an inner surface. A first projection and a second projection each extend from the inner surface. A valve assembly is connected to the ring portion and disposed in from the outer surface.

Abstract: An assembly (8) for a central tire inflation system includes a housing having a first end and a second end. The housing defines a fluid conduit disposed through the first and second ends. The assembly also includes one or more sensors (205, 210) having a portion disposed in the fluid conduit. Further, a power source (245) is in electrical communication with the sensor. The assembly additionally includes a kinetic energy device (220) in electrical communication with the power source. The kinetic energy device may comprise a magnet (255) sliding on a guide (265). As an alternative, the kinetic energy device may comprise a turbine (275).

Abstract: An axle assembly having a constant shaft disposed at least partially through a bearing hub assembly. The constant shaft defines a fluid conduit therethrough. A steering knuckle is disposed at least partially about the constant shaft. The axle assembly may include a bearing spacer disposed about the constant shaft, the bearing spacer being disposed at least partially axially between the bearing hub assembly and the steering knuckle. Additionally, a first rotary seal and a second rotary seal may be disposed radially between the bearing spacer and the constant shaft. The first and second rotary seals may at least partially define a fluid chamber in fluid communication with the constant shaft fluid conduit. Further, a port may be disposed through the bearing spacer, wherein the port is in fluid communication with the fluid chamber.

Abstract: A wheel end assembly for a tire inflation system includes a sealing ring disposed on an axle housing. The sealing ring includes a conduit formed therethrough in fluid communication with a conduit formed through a hub. The hub is rotatably disposed on the axle housing adjacent the sealing ring. An inner rotary seal is disposed between the sealing ring and the hub. An outer rotary seal is disposed between the sealing ring and the hub. The hub conduit is in fluid communication with the sealing ring conduit via an area between the inner rotary seal and the outer rotary seal. A bearing seal is disposed between the sealing ring and the hub. The bearing seal is disposed outboard of the outer rotary seal. The inner rotary seal, the outer rotary seal, and the bearing seal are each in sealing contact with the sealing ring.

Abstract: A rotary joint assembly for a tire inflation system includes a rotating portion. The rotating portion is attached to a wheel rim for rotation therewith. The rotating portion includes a center portion which has an air passageway formed therein. The rotary joint assembly also includes a non-rotating portion. The non-rotating portion has a non-rotating portion air passageway formed therein. The non-rotating portion air passageway is in fluid communication with the air passageway formed in the rotating portion via a chamber. A pair of annular sealing members are attached to the rotating portion and sealingly contact a sealing surface of the non-rotating portion. The annular sealing members define an inboard end and an outboard end of the chamber.

Abstract: The present invention relates to a valve assembly system including channel valve assemblies. More particularly, the invention relates to a valve assembly system including channel valve assemblies and connecting modules and the tire pressure management system made therewith.

Abstract: A valve assembly system including a supply valve assembly, a control valve assembly and a connecting module and the tire pressure management system made therewith.

Abstract: An assembly (8) for a central tire inflation system includes a housing having a first end and a second end. The housing defines a fluid conduit disposed through the first and second ends. The assembly also includes one or more sensors (205, 210) having a portion disposed in the fluid conduit. Further, a power source (245) is in electrical communication with the sensor. The assembly additionally includes a kinetic energy device (220) in electrical communication with the power source. The kinetic energy device may comprise a magnet (255) sliding on a guide (265). As an alternative, the kinetic energy device may comprise a turbine (275).

Abstract: A wheel end assembly for a tire pressure management system including an axle having an axle end portion and a rotary joint assembly disposed outboard of the axle end portion. The rotary joint has a rotary hub, a non-rotating tube spindle at least partially disposed within the rotary hub, the tube spindle having a tube spindle hollow central chamber, an air seal provided between the rotary hub and the tube spindle, and a bearing assembly provided between the rotary hub and the tube spindle. The bearing assembly is positioned outboard of the air seal.

Abstract: A wheel hub assembly having a non-rotating outer bearing flange and an inner bearing flange disposed at least partially concentrically within the outer bearing flange. At least one rolling element is disposed radially between the outer bearing flange and the inner bearing flange. A port is disposed in the outer bearing flange, and a first conduit is disposed through the outer bearing flange in fluid communication with the fluid port. A second conduit is disposed through the inner bearing flange, wherein the second conduit is in fluid communication with the first conduit. A rotating spindle is disposed at least partially through the inner bearing flange, and the spindle is coupled for rotation with the inner bearing flange.

Abstract: A wheel valve assembly having a body portion coupled with a cover portion. A diaphragm disposed between the body portion and the cover portion. A first biasing member disposed between the cover portion and the diaphragm in a cover cavity defined thereby. A control cavity defined by the body portion and the diaphragm, and at least one control port defined by the body portion and in fluid communication with the control cavity. A tire port defined by the body portion and in selective fluid communication with the control cavity. A first and second conduit disposed in the body portion in fluid communication with a third and fourth conduit disposed in the cover portion. An equalization valve assembly disposed in one of the conduits to control fluid communication between the cover cavity and the control cavity.

Abstract: A tire inflation system for a vehicle having a control unit including an internal fluid conduit. At least one extended stroke valve including a housing in fluid communication with the internal fluid conduit and a wheel assembly. The extended stroke valve includes a hollow outer shaft having a first flange. A first biasing member is disposed about the hollow outer shaft between the first flange and an annular protrusion defined by the housing. The extended stroke valve also includes an inner shaft having a second flange, wherein the inner shaft is at least partially disposed in the hollow outer shaft. A second biasing member is disposed about the inner shaft between the second flange and a surface defined by the hollow outer shaft. In addition, a sealing member is coupled with an end of the inner shaft opposite the second flange.

Abstract: A tire inflation system including a wheel rim having an aperture through the radially exterior and interior surfaces thereof. A wheel valve assembly including a mounting portion coupled with the wheel rim interior surface. The mounting portion having an opening in fluid communication with the wheel rim aperture. A cap portion coupled with the mounting portion, defining a fluid inlet and a perforation in fluid communication. A valve at least partially disposed within the cap portion, and disposed parallel with the longitudinal axis of the wheel rim. A base portion coupled with the cap portion, and at least partially surrounding the valve. A fluid outlet defined by the base portion, and in selective fluid communication with the fluid inlet via the valve. A biasing member disposed at least partially around the valve, whereby the biasing member is compressed in the wheel valve assembly closed position.

Abstract: An assembly for a tire inflation system includes a ring portion. The ring portion has an outer surface and an inner surface. A first projection and a second projection each extend from the inner surface. A valve assembly is connected to the ring portion and disposed in from the outer surface.

Abstract: A dynamic weight shift suspension system for shifting the tandem axle loads on a vehicle. The system includes a first airbag connected between the drive axle of a tandem and the vehicle frame, and a second airbag connected between a tag axle of a tandem and the vehicle frame. The system also has a mechatronic control unit comprising at least one port and at least one solenoid. The mechatronic control unit is in direct fluid communication with the airbags and an air supply via fluid communication lines.

Abstract: An assembly for a central tire inflation system includes a first housing having a first end and a hose member provided in the first end. A valve assembly is in fluid communication with the hose member via the first housing. The valve assembly includes a second housing and a valve positioned within the second housing. The second housing includes a base portion which comprises a lower wall portion. The valve is biased towards the lower wall portion by a biasing member to open the valve assembly.

Abstract: A tire pressure management system includes a control valve assembly. The control valve assembly directs pressurized air from a first fluid conduit when in a first position and provides fluid communication between a source of pressurized air and the first fluid conduit when in a second position. A deflate member is in fluid communication with the control valve assembly or the first fluid conduit. The deflate member includes an orifice having a constant cross-sectional area which is sized to maintain a predetermined pressure in a fluid control circuit.