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:
Dec. 24, 2002
Filed:
Dec. 27, 2000
Applicant:
Inventors:
David R. Aden, Saginaw, MI (US);
Thomas C. Rytlewski, Auburn, MI (US);
Jerrod M. Etienne, El Paso, TX (US);
David Fredrick Hammerbacher, Saginaw, MI (US);
Bruce Alan Tucker, Brighton, MI (US);
Roy William Heath, Midland, MI (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 2/308 ;
U.S. Cl.
CPC ...
F04B 2/308 ;
Abstract
A sliding vane pump comprising a rotor housing having a pumping chamber, a rotor in the pumping chamber having a plurality of radially disposed slots, and a plurality of sliding vanes disposed in the slots configured to extend to follow an inner wall of said pumping chamber.