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:
Jul. 25, 1989
Filed:
Aug. 08, 1988
Applicant:
Inventors:
Charles A Barker, Indianapolis, IN (US);
Barry L Ladd, Indianapolis, IN (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C / ;
U.S. Cl.
CPC ...
418 15 ; 277204 ; 418149 ;
Abstract
A transmission pump has a cylindrical body sized to fit in a bore in the transmission housing. Inlets and outlets are circumferentially spaced on the cylindrical body. Convoluted ring type seals are arranged on the outer surface of the body in order to allow the inlets and outlets to have profiles that are closer to or even axially overlap, allowing for greater size within a limited axial body length.