Abstract: A tire inflation system having a peristaltic pump. The peristaltic pump may output a pressurized gas when a flexible tube of the peristaltic pump rotates with a wheel end assembly about an axis.

Abstract: A tire inflation system having a spindle that is configured to support a wheel bearing. A passage for routing pressurized gas may be provided with the spindle or with a sleeve that may be disposed on the spindle.

Abstract: An axle assembly having an axle, a brake spider and a bearing collar. The axle may have first and second transition regions. The first transition region may extend between first and second cylindrical portions of the axle. The second transition region may extend between second and third cylindrical portions of the axle. The brake spider may be disposed on the second cylindrical portion. The bearing collar may be disposed on the second transition region.

Abstract: An axle assembly having an axle, a brake spider and a bearing collar. The axle may have first and second transition regions. The first transition region may extend between first and second cylindrical portions of the axle. The second transition region may extend between second and third cylindrical portions of the axle. The brake spider may be disposed on the second cylindrical portion. The bearing collar may be disposed on the second transition region.

Abstract: A tire inflation system having a spindle that is configured to support a wheel bearing. A passage for routing pressurized gas may be provided with the spindle or with a sleeve that may be disposed on the spindle.

Abstract: A tire inflation system having a spindle that is configured to support a wheel bearing. A passage for routing pressurized gas may be provided with the spindle or with a sleeve that may be disposed on the spindle.

Abstract: A tire inflation system having a spindle, a pump actuating member, and a pump. The pump actuating member may actuate the pump when the pump rotates about an axis, thereby causing the pump to output a pressurized gas.

Abstract: A tire inflation system having a conduit, a hub, and a seal assembly. The hub may be rotatably mounted on a spindle and may have a passage. The seal assembly may have a seal passage that fluidly connects the conduit to the passage.

Abstract: A tire inflation system for a vehicle. The tire inflation system may include a gas supply subsystem that may supply pressurized gas to a tire via first conduit that may be connected to an axle shaft.

Abstract: A tire inflation system having a spindle, a pump actuating member, and a pump. The pump actuating member may actuate the pump when the pump rotates about an axis, thereby causing the pump to output a pressurized gas.

Abstract: A tire inflation system having a spindle that is configured to support a wheel bearing. A passage for routing pressurized gas may be provided with the spindle or with a sleeve that may be disposed on the spindle.

Abstract: A tire inflation system having a conduit, a hub, and a seal assembly. The hub may be rotatably mounted on a spindle and may have a passage. The seal assembly may have a seal passage that fluidly connects the conduit to the passage.

Abstract: A tire inflation system having a peristaltic pump. The peristaltic pump may output a pressurized gas when a flexible tube of the peristaltic pump rotates with a wheel end assembly about an axis.

Abstract: A tire inflation system for a vehicle. The tire inflation system may include a gas supply subsystem that may supply pressurized gas to a tire via first conduit that may be connected to an axle shaft.

Abstract: A trailer axle suspension system and a method of control. The trailer axle suspension system may be deflated when the trailer is approaching the dock and proximity of the trailer to the dock is within a predetermined limit.

Abstract: An axle assembly and a method of manufacture. The axle assembly may have an axle tube that may be formed to increase a wall thickness of an end portion. A spindle may be fastened to the end portion with a fastener that is received in the fastener hole in the end portion.

Abstract: A trailer axle suspension system and a method of control. The trailer axle suspension system may be deflated when the trailer is approaching the dock and proximity of the trailer to the dock is within a predetermined limit.

Abstract: An axle suspension system for a vehicle. The axle suspension system may include an axle having an exterior surface and an axle wrap. The axle wrap may include a wrap portion, a cam bracket, and an actuator bracket. The wrap portion may engage the exterior surface. The cam bracket and actuator bracket may be spaced apart and may extend from the wrap portion.

Abstract: An axle suspension system for a vehicle. The axle suspension system may include an axle having an exterior surface and an axle wrap. The axle wrap may include a wrap portion, a cam bracket, and an actuator bracket. The wrap portion may engage the exterior surface. The cam bracket and actuator bracket may be spaced apart and may extend from the wrap portion.

Abstract: A suspension system for supporting a trailer frame on a trailer axle is provided. The suspension system includes a connector disposed about the trailer axle and upper and lower arms. The upper and lower arms are each coupled to the frame and to the connector. The upper arm is coupled to the connector at a point between the axle and the longitudinal rails of the frame. The lower arm is coupled to the connector at a point between the axle and ground. The upper and lower arms together form a Watt's linkage that minimizes and/or eliminates movement of the axle in the direction of vehicle travel.