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:
Apr. 15, 2003
Filed:
Jan. 16, 2002
Applicant:
Inventors:
Terry L. Cumbo, Lewistown, OH (US);
Robert C. Hodges, Troy, MI (US);
Anthony L. Reilly, Ostrander, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 4/912 ;
U.S. Cl.
CPC ...
F04B 4/912 ;
Abstract
A conventional variable-displacement, axial piston-type hydraulic fluid pump having a pump housing is provided with co-operating pump rotational speed, thrust plate position, and working pressure operating-condition sensor assemblies that are partially contained within the pump housing, that are partially contained within a separate position sensor housing which is removably secured to the pump housing, and that are sealed against high-pressure fluid leakage using only static resilient fluid pressure seals.