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.

Date of Patent:
Feb. 21, 2017

Filed:

Mar. 14, 2014
Applicant:

Dmitriy Baryshnikov, Rockford, IL (US);

Inventor:

Dmitriy Baryshnikov, Rockford, IL (US);

Assignee:

Woodward, Inc., Fort Collins, CO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 1/18 (2006.01); F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); F04C 2/08 (2006.01); F04C 2/18 (2006.01); F04C 13/00 (2006.01); F04C 15/00 (2006.01);
U.S. Cl.
CPC ...
F04C 2/086 (2013.01); F04C 2/18 (2013.01); F04C 13/00 (2013.01); F04C 15/0015 (2013.01);
Abstract

A gear pump and gear pump housing are provided. The gear pump housing includes an inner wall and an outer wall. The inner wall defines an inner pumping cavity having a pumping cavity inlet and a pumping cavity outlet. The outer wall surrounds at least part of the inner wall. The outer wall being spaced apart from the outer wall defining a pressure cavity between the inner and outer walls. The pumping cavity outlet is in fluid communication with the pressure cavity. As such, the pressure cavity may be supplied with high pressure fluid that is pumped. The gear pump includes a pair of pumping gears between the pumping cavity inlet and pumping cavity outlet.


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