Electric power steering apparatus

Details Electric power steering apparatus Electric power steering apparatus

1995-01-25

1995-08-29

Hill, Mitchell J.

Motor vehicles

Compensating devices

B62D 500

Patent

active

054452384

ABSTRACT:
An electric power steering apparatus can maintain suitable backlash in a temperature changing atmosphere even if a gear consisting of a metallic cylindrical core portion and a toothed resin outer ring portion. The thickness of the resin outer ring portion is suitably determined by the coefficients of linear thermal expansion of a driving gear, a driven gear, a housing, the addendum of the driven gear and the center distance between the driving gear and the driven gear. Even if the temperature of the atmosphere changes, the positional relation between the gears is unchanged. Thus, the backlash is substantially unaltered.

REFERENCES:
patent: 5097918 (1992-03-01), Daido et al.
patent: 5249638 (1993-10-01), Watanabe et al.
patent: 5299649 (1994-04-01), Sano et al.

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