Abstract: Various systems and methods are provided for a central tire inflation system with a wheel hub including an integrated sealing surface. In one embodiment, a system includes a vehicle wheel hub including a gas passage and a sealing surface shaped to engage directly with a seal to fluidly couple the gas passage to a counterpart gas passage of a stationary vehicle component. The sealing surface may be formed integrally with the vehicle wheel hub and shaped to engage directly with the seal with no other components disposed between the sealing surface and the seal.

Abstract: Methods and systems for generating power at a vehicle axle to supply sensors and/or actuators are described. In one example, the power is generated via a dynamo that converts rotation of an axle component into electrical energy. The electrical energy may be supplied to a battery, vehicle sensors, and vehicle actuators so that wires may not be routed between a controller and the axle.

Abstract: The present document relates to a steering sensor assembly comprising an axle housing and a kingpin rotatably mounted on the axle housing, wherein the kingpin features a through hole extending through the kingpin. The steering sensor assembly further comprises a mounting member connected to the axle housing and at least partially disposed in the through hole extending through the kingpin, and a steering sensor comprising a first sensor portion coupled to the kingpin and a second sensor portion coupled to the mounting member.

Abstract: A rotary joint assembly for a tire inflation system is provided. The assembly includes an air seal for sealing an air passage, a lubricant seal for sealing the air seal from a lubricant, and a leakage reception space delimited by the air seal and the lubricant seal and fluidically isolated from the atmosphere.

Abstract: Methods and systems for generating power at a vehicle axle to supply sensors and/or actuators are described. In one example, the power is generated via a dynamo that converts rotation of an axle component into electrical energy. The electrical energy may be supplied to a battery, vehicle sensors, and vehicle actuators so that wires may not be routed between a controller and the axle.

Abstract: Various systems and methods are provided for a central tire inflation system with a wheel hub including an integrated sealing surface. In one embodiment, a system comprises: a vehicle wheel hub including a gas passage and a sealing surface shaped to engage directly with a seal to fluidly couple the gas passage to a counterpart gas passage of a stationary vehicle component. The sealing surface may be formed integrally with the vehicle wheel hub and shaped to engage directly with the seal with no other components disposed between the sealing surface and the seal.

Abstract: The present document relates to a steering sensor assembly comprising an axle housing and a kingpin rotatably mounted on the axle housing, wherein the kingpin features a through hole extending through the kingpin. The steering sensor assembly further comprises a mounting member connected to the axle housing and at least partially disposed in the through hole extending through the kingpin, and a steering sensor comprising a first sensor portion coupled to the kingpin and a second sensor portion coupled to the mounting member.

Abstract: A spindle assembly for a tire inflation system having a spindle defining an axial direction and a fluid conduit. A rotatable part is rotatably mounted on the spindle and has a fluid passage. The fluid passage is configured to be in fluid communication with a pneumatic tire. A dynamic annular seal chamber is also provided. The annular seal chamber is disposed radially between the spindle and the rotatable part. The fluid conduit and the fluid passage are in fluid communication with each other through the annular seal chamber. The annular seal chamber is disposed axially between a first volume and a second volume. The first volume and the second volume are in fluid communication with each other through at least one fluid channel for leading fluid leaked out of the annular seal chamber and leaked into the first volume and/or into the second volume through the fluid channel.

Abstract: A spindle assembly for a tire inflation system having a spindle defining an axial direction and a fluid conduit. A rotatable part is rotatably mounted on the spindle and has a fluid passage. The fluid passage is configured to be in fluid communication with a pneumatic tire. A dynamic annular seal chamber is also provided. The annular seal chamber is disposed radially between the spindle and the rotatable part. The fluid conduit and the fluid passage are in fluid communication with each other through the annular seal chamber. The annular seal chamber is disposed axially between a first volume and a second volume. The first volume and the second volume are in fluid communication with each other through at least one fluid channel for leading fluid leaked out of the annular seal chamber and leaked into the first volume and/or into the second volume through the fluid channel.