Electrically operated steering apparatus

Details Electrically operated steering apparatus Electrically operated steering apparatus

1995-06-07

1996-11-12

Hurley, Kevin

Motor vehicles

Steering gear

With electric power assist

180446, B62D 504

Patent

active

055730795

ABSTRACT:
An electrically operated steering apparatus for use on a motor vehicle has a cylindrical housing, an axially movable rack shaft disposed in the housing for steering steerable wheels coupled to the rack shaft, and an electric motor disposed in the cylindrical housing around the axially movable shaft for moving the axially movable shaft. A power supply for supplying electric energy to the electric motor is disposed outside of the cylindrical housing. A motor control circuit for generating a motor control signal based on a detected steering torque is disposed in the cylindrical housing. A motor driver circuit is disposed in the cylindrical housing for energizing the electric motor with the electric energy supplied from the power supply based on the motor control signal. An insert-molded board is disposed in the housing and electrically interconnecting the electric motor, the motor control circuit, and the motor driver circuit. The insert-molded board comprises electric conductors and a body of synthetic resin molded around the electric conductors.

REFERENCES:
patent: 4907668 (1990-03-01), Onishi et al.
patent: 4986381 (1991-01-01), Morishita et al.
patent: 5257828 (1993-11-01), Miller et al.
patent: 5355315 (1994-10-01), Daido et al.
patent: 5437349 (1995-08-01), Kurahashi et al.

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