Motor vehicles – Steering gear – With electric power assist
Patent
1994-09-20
1996-09-17
Johnson, Brian L.
Motor vehicles
Steering gear
With electric power assist
B62D 504
Patent
active
055559514
ABSTRACT:
An electrically operated power steering apparatus having an electric motor for producing forces to assist in axially moving a rack shaft having rack teeth held in mesh with a pinion mounted on an end of a steering shaft with a steering wheel mounted thereon. The electric motor and the rack shaft are accommodated in a housing assembly which comprise a first housing and a second housing which are separate from and fastened to each other in an axial direction of the rack shaft. The second housing comprises a smaller-diameter portion, a medium-diameter portion, and a larger-diameter portion which are axially successively joined by tapered portions. The electric motor has a stator fixed to an inner surface of the larger-diameter portion and a rotor rotatably disposed around the rack shaft in the larger-diameter portion.
REFERENCES:
patent: Re32222 (1986-08-01), Drutchas
patent: 4666014 (1987-05-01), Carlson et al.
patent: 4834202 (1989-05-01), Shimizu
patent: 5083626 (1992-01-01), Abe et al.
patent: 5257828 (1993-11-01), Miller et al.
patent: 5299649 (1994-04-01), Sano et al.
patent: 5437349 (1995-08-01), Kurahashi et al.
Shimizu Yasuo
Sugino Mitsutaka
Honda Giken Kogyo Kabushiki Kaisha
Johnson Brian L.
Zeender F.
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