Abstract: A telescope drive bracket for coupling a telescoping actuator to an upper steering jacket, the telescope drive bracket includes a plate including a first end, an opposite second end, and a pair of sides extending from the first end to the second end, a strap retainer formed with the plate and including a reaction wall extending in parallel with the plate, and a strap including a first portion engaging the strap retainer, a second portion extending along the plate, and a bent portion between the first portion and the second portion, the first portion and the second portion extend from the bent portion in a same direction.

Abstract: An auxiliary unstow mechanism for a vehicle steering column includes a telescope actuator assembly. The auxiliary unstow mechanism also includes a first electronic control unit (ECU) in communication with the telescope actuator assembly to control the telescope actuator assembly. The auxiliary unstow mechanism further includes a latch actuator operatively controlling a latch assembly that controls a locked condition and an unlocked condition of vehicle steering column axial position. The auxiliary unstow mechanism yet further includes a second ECU in communication with the first ECU and the latch actuator, the second ECU controlling the latch actuator.

Abstract: A locking mechanism for an axially adjustable steering column having an adjustment lever, the locking mechanism includes: a locking cam including a hub, an upper arm, and a leg defining a set of teeth, the upper arm and the leg extend from the hub in a same direction to define a space therebetween, the upper arm includes an interface surface facing the leg that interfaces with the adjustment lever to move the locking cam between a locked position and an unlocked position; and a pin extending through the locking cam to allow the locking cam to pivot about the pin between the locked position and the unlocked position. In the locked position, the set of teeth of the leg engage with a set of teeth of the axially adjustable steering column. In the unlocked position, the set of teeth of the leg are spaced apart from the set of teeth of the axially adjustable steering column.

Abstract: A constant velocity joint boot assembly includes a flexible boot having a flexible portion extending between a first end and a second end along an axis. The first end is disposed about a portion of a constant velocity joint and the second end is disposed about a portion of a shaft assembly. The first end defines a skirt having an engineered portion that elastically absorbs and/or reflects impact energy.

Abstract: A steering shaft assembly includes a male shaft having a plurality of teeth extending radially outwardly from a portion of the male shaft. The steering shaft assembly also includes a female shaft receiving a portion of the male shaft and fixed to the male shaft in a rotational direction, the male shaft axially moveable relative to the female shaft, the female shaft having an end portion and a body portion, wherein the end portion of the female shaft has an end wall thickness that is less than a body wall thickness of the body portion, the end portion curved radially inwardly to define a hard stop position during axial movement of the male shaft. An end of the plurality of teeth of the male shaft contact the curved end portion of the female shaft at the hard stop position.

Abstract: A steering column assembly that includes an upper jacket and a gear shift assembly. The upper jacket extends along a steering column axis. The gear shift assembly includes a shift assembly bracket and shift shaft assembly. The shift assembly bracket has a column mounting portion that is operatively connected to the upper jacket and a cradle portion extends from the column mounting portion. The cradle portion has a first sidewall and a second sidewall each extending from a base. The shift shaft assembly extends at least partially through the first sidewall and the second sidewall.

Abstract: An axially adjustable steering column assembly includes an upper jacket. And a lower jacket. The steering column assembly further includes a column mounting bracket, wherein the lower jacket is operatively coupled to the column mounting bracket and translates relative to the column mounting bracket, wherein the column mounting bracket defines a first set of tapered rail slots, each of the first set of tapered rail slots disposed on opposite sides of the column mounting bracket and extending longitudinally along the column mounting bracket, wherein the lower jacket defines a second set of tapered rail slots, each of the second set of tapered rail slots disposed on opposite sides of the lower jacket and extending longitudinally along the lower jacket. The steering column assembly yet further includes a first pair of sliding wedge bushings disposed within the first set of tapered rail slots.

Abstract: A steering column has a tubular jacket supported by a mount bracket. The tubular jacket extends along a central axis between lower and upper ends, and is pivotal about a pivot axis. The mount bracket has first and second sidewalls spaced from one another for movement of the tubular jacket therebetween. The first and second sidewalls have first and second lock features, respectively. A lock bolt extends along a lock bolt axis transversely to the central axis. First and second lock cams are operably supported by the lock bolt for rotation about the lock bolt axis between locked and unlocked states. The first and second lock cams have respective first and second lock cam lock features for engagement with the first and second lock features, respectively, to releasably lock the tubular jacket against pivotal movement about the pivot axis in opposite first and second directions, respectively.

Abstract: Technical solutions are described for diagnosing an input power supply providing power to a motor. A method includes: generating a sinusoidal stimulus signal; applying, using the input power supply, the sinusoidal stimulus signal to the motor; measuring a response to the sinusoidal stimulus signal; determining a degraded condition of the input power supply based on the response to the sinusoidal stimulus signal; and performing an action in response to determining the degraded condition of the input power supply.

Abstract: A rack bar assembly for a rack electric power steering system is provided. The rack bar assembly includes a first rack bar extending axially. The rack bar assembly also includes a second rack bar extending axially, wherein the first rack bar and the second rack bar are spaced a radial distance from each other and oriented parallel to each other.

Abstract: A method of controlling operation of an electric machine includes: calculating a voltage-based torque limit based on a voltage constraint of a direct current (DC) bus supplying power to an inverter for powering the electric machine; calculating a current-based torque limit based on a motor current limit; determining a final torque limit based on the voltage-based torque limit and the current-based torque limit; determining a limited command torque based on a torque command and the final torque limit; and generating at least one current command based on, at least, the limited command torque. A control system for controlling operation of an electric machine is also provided.

Abstract: A steering column assembly includes a steering column extending along a longitudinal axis between a first end and a second end. The steering column includes an outer jacket located at the first end, a middle jacket telescopically connected to the outer jacket and extending towards the second end, and an inner jacket telescopically connected to the middle jacket and extending further towards the second end. The steering column assembly also includes at least one axial adjustment actuator that telescopically moves the middle jacket with respect to the outer jacket. The at least one axial adjustment actuator includes a first gear rack fixed to the outer jacket and a second gear rack fixed to the inner jacket, at least one gear located between, and in tooth meshed engagement with, the first gear rack and the second gear rack and driven to translate the inner jacket relative to the outer jacket.

Abstract: A method includes identifying at least a portion of a surface that has a coefficient of friction that is less than a coefficient of friction threshold. The method also incudes determining whether a vehicle speed is greater than a vehicle speed threshold, and determining whether an operator of the vehicle is engaging a handwheel of the vehicle. The method also includes, generating a first alert signal, selectively adjusting at least one steering characteristic of a steering system of the vehicle from a first value to a second value, and, in response to at least one of a reduction in the vehicle speed and a distance between the vehicle and the portion of the surface having the coefficient of friction being less than a distance threshold, selectively adjusting the at least one steering characteristic from the second value to the first value.

Abstract: A rake assembly for a steering column includes a pin adapted to move along a first axis between a locked position and an unlocked position, a first tray fixed to a support structure, the first tray comprising an exterior surface, at least one set of teeth extending from the exterior surface, and a wall at an edge of the set of teeth and extending from the exterior surface at least partially along a length of the set of teeth, and a rocker tray comprising an inner surface, and at least one set of teeth extending from the inner surface, the at least one set of teeth of the rocker tray are adapted to mesh with the set of teeth of the first tray when in the locked position and un-mesh when in the unlocked position.

Abstract: A steering column assembly includes a lower jacket. The steering column assembly also includes an upper jacket in telescoping engagement with the lower jacket. The steering column assembly further includes an energy absorbing strap assembly operatively coupled to the upper jacket. The energy absorbing strap assembly includes an energy absorbing strap having a first leg portion, a second leg portion and a curved portion connecting the first leg portion and the second leg portion, the first leg portion coupled to the upper jacket. The energy absorbing strap also includes a control bracket defining a slot sized to receive the curved portion of the energy absorbing strap.

Abstract: A method of controlling a dual wound synchronous machine (DWSM) includes: determining virtual current commands based on a current command associated with each of two winding sets of the DWSM; determining virtual half-motor currents by applying a mathematical transformation on measured output currents; determining half-motor difference currents based on differences between the corresponding virtual current command and the virtual half-motor current; calculating forward path voltage commands based on the corresponding difference currents and using first and second gain factors; determining feedback voltage commands by applying third and fourth gain factors to the virtual half-motor currents; determining virtual final voltage commands based on the corresponding forward path and feedback voltage commands; determining final voltage commands by applying a second mathematical transformation to the virtual final voltage commands; commanding, based on the final voltage commands, inverters to apply corresponding voltag

Abstract: A constant velocity joint assembly includes a constant velocity joint. The constant velocity joint assembly also includes a sealing boot in contact with the constant velocity joint. The constant velocity joint assembly further includes a boot protector disposed on a radially outer surface of a portion of the sealing boot. The constant velocity joint assembly yet further includes a first fastener coupled to the boot protector to secure the boot protector to the constant velocity joint.

Abstract: A manual power pack assembly for an electric power steering (EPS) system includes a motor housing at least partially enclosing a motor and having an outer diameter. The manual power pack assembly also includes a connector plate formed of a material comprising plastic, the connector plate having a first side, a second side, and a cylinder extending from the first side. The manual power pack further includes a metal ring disposed on an inner diameter of the cylinder and in contact with the outer diameter of the motor housing.

Abstract: A rake assembly for a steering column includes a pin adapted to move along a first axis between a locked position and an unlocked position, a first tray fixed to a support structure, the first tray including an exterior surface and an extension, at least one set of teeth defined on the exterior surface, the extension extending from an edge of the set of teeth formed in the exterior surface and at least partially along a length of the set of teeth, the extension including an upper surface spaced apart from the exterior surface to define a step, and a rocker tray including an inner surface, at least one set of teeth defined on the inner surface and adapted to mesh with the set of teeth of the first tray when in the locked position and un-mesh when in the unlocked position.

Abstract: Embodiments of a system, method and apparatus for a gear are disclosed. For example, a metallic gear hub can include an axis of rotation and metallic gear teeth. The metallic gear teeth can be smaller than a final gear teeth size of the gear. The metallic gear teeth can be co-planar with the axis. In addition, the metallic gear teeth can be non-orthogonal to the axis. A polymer layer can be located on the metallic gear teeth to form polymer gear teeth on the metallic gear teeth. The polymer gear teeth can form the final gear teeth size of the gear.