ArvinMeritor Patente

A tang on a spindle nut washer of a wheel end assembly facilitates retention and alignment of bearing and seal components within a wheel hub during installation and removal of the hub onto and/or from a wheel spindle. In one embodiment, the tang protrudes from an outer circumferential portion of the washer to interact with a circumferential slot in the wheel hub. The washer is installed within the hub at an offset orientation to position the tang within the slot, which assures axial retention of the washer within the hub. The washer can then engage an outboard wheel bearing cone to facilitate wheel hub installation on the spindle, and can also facilitate subsequent hub removal from the spindle. Upon completion of wheel end assembly, the washer thickness can also provide confirmation that wheel bearings and seal components are fully seated to recommended bearing preload and/or wheel end play limits.

A method of lubricating a transmission system including: scavenging, via a lubrication tube of a lubrication system disposed within the transmission system, oil from at least one of a plurality of gears; directing the scavenged oil from the lubrication tube to a plurality of oil conduits extending from the lubrication tube; and translating a shift assembly in a longitudinal direction such that the shift assembly actuates a plurality of poppet valve assemblies disposed in the plurality of oil conduits between a closed position and an open position. The scavenged oil circumventing the plurality of poppet valve assemblies in the open position and the plurality of poppet valve assemblies form a seal with the plurality of oil conduits in the closed position.

A brake system and method of control. A brake pad assembly is actuatable from a retracted position to an extended position with a fluid. The method includes determining whether a running clearance is acceptable based on a first fluid supply pressure associated with the brake pad assembly being in a retracted position and a second fluid supply pressure associated with the brake pad assembly being in an extended position.

An axle assembly comprising a support structure, a mounting plate, an electric motor module, a transmission module, and a wheel end assembly. The electric motor module extends from a first side of the mounting plate. The transmission module extends from the second side of the mounting plate. The wheel end assembly extends from the transmission module.

A brake assembly comprising a brake carrier, a brake caliper, and a guide pin assembly. The guide pin that slidably couples the brake caliper to the brake carrier. The guide pin assembly comprises a unitary cap bushing, a sleeve, a fastener. The fastener couples the sleeve to the brake carrier. The unitary cap bushing is moveable with respect to the sleeve.

Aspects of the present invention relate to a controller for controlling a differential lock system of a vehicle with a plurality of wheels. The controller comprises one or more processors collectively configured to receive a wheel status information specific to at least two wheels. Further, it is configured to determine, based at least on the wheel status information, a differential lock setpoint, indicating whether a differential lock should be engaged or disengaged. Also, it is configured to output the differential lock setpoint to the differential lock system to control the differential lock system to engage or disengage the differential lock based on the differential lock setpoint. The invention further relates to a differential lock system, an axle assembly, a method and computer readable instructions.

A wheel hub assembly for a non-drive axle of a vehicle, the wheel hub assembly comprising a wheel flange for rotatably supporting a tire with respect to a vehicle chassis; a spindle for supporting the wheel flange with respect to the chassis; and an air flow path for supplying pressurised air from an air supply to said tire. The spindle is rotatable with the wheel flange with respect to the chassis; and a section of the air flow path is defined by the spindle.

In the determination of location of tire-mounted sensors, for a tire position of a plurality of tire positions, a tested pressure reading of a tire at the tire position is determined via a pressure sensor, other than the tire-mounted sensor of the tire, operatively connected to the tire. The tested pressure reading is then compared with an associated past pressure reading provided by a tire-mounted sensor most recently associated with the tire position. When the tested pressure reading does not compare favorably with the associated past pressure reading, the tested pressure reading is compared with non-associated past pressure readings provided by tire-mounted sensors that were not most recently associated with the tire position. When the tested pressure reading compares favorably with a particular non-associated past pressure reading corresponding to a particular tire-mounted sensor, the sensor identification of the particular tire-mounted sensor is associated with the tire position.

A support member (100) for routing fluid or electrical lines within structural members comprises a conduit (102) having a wall (104) that defines a passage (106) configured to receive at least one line. The passage within the conduit is configured to permit free movement of the at least one line along a longitudinal axis of the conduit. Further, the support member comprises a plurality of longitudinal slots (120, 122, 124, 126) formed in a wall of the conduit and configured to define, in an expanded state of the support member, a plurality of arms (220, 222, 224, 226, 240, 242, 244, 246) radially extending from the conduit and spaced apart from each other about a circumference of the conduit. The support member may be configured for deployment within a structural member of a vehicle, including but not limited to an axle of the vehicle.

A shift control device and method of controlling an axle assembly of a vehicle. The method includes electrically connecting a shift control device to the vehicle and commanding, with the shift control device, an actuator to move a coupling of the axle assembly to a neutral position, thereby disconnecting an electric motor from a wheel hub.

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