Structure for preventing oil contamination for hydraulically ope

Details Structure for preventing oil contamination for hydraulically ope Structure for preventing oil contamination for hydraulically ope

1988-01-07

1989-03-21

Herrmann, Allan D.

Machine element or mechanism

Gearing

Follow-up mechanism

74422, 74498, 60454, 180132, 180148, 184 625, 210222, B62D 506, B62D 312, B03C 130

Patent

active

048132942

ABSTRACT:
A structure for preventing oil from being contaminated in a hydraulically operated power steering system for use in a motor vehicle has a cylindrical permanent magnet disposed in a working oil chamber housing a rack of an iron-base material and a pinion meshing therewith. The cylindrical permanent magnet has a central opening through which the rack extends, the cylindrical permanent magnet having magnetic poles positioned along a direction parallel to the axis of the rack.

REFERENCES:
patent: 2996162 (1961-08-01), Lehde
patent: 3151703 (1964-10-01), Benk
patent: 3195467 (1965-07-01), Collet
patent: 3480145 (1969-11-01), Gladden
patent: 4182221 (1980-01-01), Presley

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