Steering assisting system for vehicle

Details Steering assisting system for vehicle Steering assisting system for vehicle

2008-07-14

2010-11-23

Morris, Lesley (Department: 3611)

Motor vehicles

Steering gear

With electric power assist

C180S443000, C180S402000, C180S407000

Reexamination Certificate

active

07837004

ABSTRACT:
A steering assisting system has a variable transfer ratio steering apparatus and an electric power steering apparatus. The variable transfer ratio steering apparatus has an electric motor for a rotation transfer ratio varying operation. When a predetermined failure occurs in the electric power steering apparatus, the motor is driven to assist the steering operation of the steering wheel. Therefore, without providing the electric power steering apparatus in two sets, the power-assisting torque generation can be continued even when the electric power steering apparatus fails to generate the power-assisting torque.

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Japanese Office Action dated Jun. 25, 2009, issued in corresponding Japanese Application No. 2007-201630, with English translation.

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