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:
Sep. 18, 2018

Filed:

Mar. 11, 2016
Applicants:

Shaoping Xiong, Hartford, WI (US);

Robert Quandt, Hartford, WI (US);

Inventors:

Shaoping Xiong, Hartford, WI (US);

Robert Quandt, Hartford, WI (US);

Assignee:

Helgesen Industries, Inc., Hartford, WI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F17D 1/00 (2006.01); F15B 1/26 (2006.01); F15B 1/027 (2006.01); F15B 1/04 (2006.01); F15B 21/04 (2006.01);
U.S. Cl.
CPC ...
F15B 1/26 (2013.01); F15B 1/027 (2013.01); F15B 1/04 (2013.01); F15B 1/265 (2013.01); F15B 21/047 (2013.01); F15B 2201/411 (2013.01); F15B 2211/20584 (2013.01); F15B 2211/30505 (2013.01);
Abstract

A fluid storage reservoir that creates a regenerative loop inside the reservoir to maintain a pressurized main suction chamber of the hydraulic fluid reservoir is provided. This reservoir includes two separate chambers which are operably fluidly connected by one or more check valves. In the main suction chamber, the design arranges the return flow larger than suction flow in order to pressurize this chamber. This pressure can be adjusted by the check valve setting. This regenerative reservoir can provide sufficient pressure when large system flow occurs.


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