Electric power steering device and method of assembling the same

Details Electric power steering device and method of assembling the same Electric power steering device and method of assembling the same

1997-05-21

1999-07-20

Hurley, Kevin

Motor vehicles

Steering gear

With electric power assist

B62D 504

Patent

active

059245190

ABSTRACT:
An electric power steering device includes a steering torque detector for detecting a steering torque in a steering system by detecting relative rotation between an input shaft and an output shaft, an electric motor for generating an auxiliary torque corresponding to a detection signal from the steering torque detector, and a torque transmitting mechanism for transmitting the auxiliary torque from the electric motor to the output shaft. The steering torque detector is composed of a detector body directly attached to the input shaft, and an actuator engaged with the output shaft for activating the detector body. With the steering torque detector thus arranged, an adjustment of the neutral position of the steering torque detector can be performed after the input and output shafts, the steering torque detector, and the torque transmitting mechanism are assembled together to form a single semi-finished steering assembly, and before the semi-finished steering assembly is received in a housing. Since this adjustment is effected on the steering torque detector while the semi-finished steering assembly is standing alone before it is assembled in the housing, the neutral position of the steering torque detector can be obtained with excellent accuracy but through a simple adjustment work.

REFERENCES:
patent: 4967858 (1990-11-01), Kotake et al.
patent: 5029659 (1991-07-01), Saito
patent: 5445237 (1995-08-01), Eda et al.
patent: 5732790 (1998-03-01), Endo et al.
patent: 5836419 (1998-11-01), Shimizu et al.

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