B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
180/54
B62D 5/04 (2006.01)
Patent
CA 1217727
Abstract: ELECTRICAL POWER ASSISTED STEERING MECHANISM An electric power assisted steering mechanism for a automotive vehicle having a torque shaft interconnecting the vehicles steering wheel with the steering gear box. Electrical power is applied to the output end of the torque shaft by a low speed, high torque electrical motor through a low gear ratio planetary gear system disposed concentrically about the torque shaft. The electric motor is energized by a power amplifier in response to a torque signal generated by a torque sensor responsive to the magnitude and direction of the torque applied between the input and output ends of the torque shaft. The power amplifier has an anti-log gain characteristic eliminating the need for a vehicle speed input to reduce or eliminate the authority of the power steering mechanism a nominal and higher vehicle speeds.
453560
Buike James W.
Tomala Ambrose
Allied Corporation
Macrae & Co.
LandOfFree
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