Steering Solutions IP Holding Corporation

Robert E Beyerlein

Farhad Bolourchi

Jason T Rutkiewicz

Zaki Ryne

Brad S Sundholm

Nik Von Matt

An axial load bearing assembly that may be for a steering gear box apparatus includes a first member, a second member, a jacket, and an elastomeric ring. The first member includes a first surface facing axially with respect to a centerline. The second member is constructed and arranged to move axially with respect to the first member between an extended state and a compressed state. The second member includes a second surface that axially opposes the first surface. The jacket is engaged to one of the first and second members, and includes a face facing radially inward. The elastomeric ring is disposed axially between the first and second members for axial compression, and is in biased contact with the face at least when in the compressed state preventing radial expansion of the elastomeric ring during axial compression.

Axial load bearing assembly

A method of controlling a power steering system is provided. The method generates a base torque command based on a hand wheel torque signal without altering the hand wheel torque signal at a range of relatively low frequencies. The method generates a motor inertia compensation command based on a motor inertia of a motor of the power steering system. The method generates an assist torque command based on the base torque command and the motor inertia compensation command. The method operates a motor of the power steering system to generate a torque based on the assist torque command.

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Hemlock, MI, United States of America

Robert E Beyerlein