Electric power steering unit

Details Electric power steering unit Electric power steering unit

1998-06-23

2000-07-04

Graham, Matthew C.

Motor vehicles

Steering gear

With electric power assist

B62D 504

Patent

active

060824832

ABSTRACT:
An electric power steering unit comprises a rack-shaft 2 to be coupled to the guiding wheels of a vehicle, a housing A for slidably containing the rack-shaft 2 and holding therein a coupling section 6 for causing the teeth of the rack-shaft 2 to engage those of a pinion arranged on the steering column 5 linked to the steering handle of the vehicle and an electric motor 1 coaxially arranged around the rack-shaft 2, which the rotary force is transmitted to the rack-shaft 2 by way of a ball screw mechanism 3 as the steering assisting power. A yoke 7 of the motor 1 is formed integrally with the housing A, which simplifies the shape of the yoke 7 and reduces production cost.

REFERENCES:
patent: 4660669 (1987-04-01), Shimizu
patent: 5573079 (1996-11-01), Suda

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