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:
Feb. 12, 1991
Filed:
Jul. 05, 1990
Applicant:
Inventors:
Steven F Baker, Bellevue, OH (US);
Joseph L Tengowski, Norwalk, OH (US);
Brent R Behrman, Norwalk, OH (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ; F16J / ;
U.S. Cl.
CPC ...
4151711 ; 4151743 ; 415231 ; 277 67 ; 277 68 ; 384135 ; 384478 ;
Abstract
A slinger ring for a vehicle water pump shaft is given a scalloped outer lip, which causes the lip to undulate back and forth past vent holes in the bearing race as the pump shaft rotates. This provides a continual vent hole cleaning and scraping action.