The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 1989
Filed:
Jan. 07, 1988
Applicant:
Inventors:
Norio Ukai, Saitama, JP;
Yuzuru Kondou, Osaka, JP;
Assignees:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Nihon Magnet Kogyo Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62D / ; B62D / ; B03C / ;
U.S. Cl.
CPC ...
7438 / ; 74422 ; 74498 ; 60454 ; 180132 ; 180148 ; 184-625 ; 210222 ;
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.