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:
Dec. 03, 2019

Filed:

Jun. 12, 2015
Applicant:

Echogen Power Systems Llc, Akron, OH (US);

Inventors:

Jason Lee Preuss, Lakewood, CO (US);

Timothy J. Held, Akron, OH (US);

Assignee:

ECHOGEN POWER SYSTEMS LLC, Akron, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/051 (2006.01); F04D 29/041 (2006.01); F04D 13/04 (2006.01); F04D 15/00 (2006.01); F01K 7/16 (2006.01); F01D 3/00 (2006.01); F01K 13/00 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F04D 29/0513 (2013.01); F01D 3/00 (2013.01); F01K 7/16 (2013.01); F01K 13/00 (2013.01); F04D 13/043 (2013.01); F04D 15/0083 (2013.01); F04D 29/041 (2013.01); F04D 29/0413 (2013.01); F04D 29/66 (2013.01);
Abstract

A turbopump system includes a pump portion including a housing having a pressure release passageway disposed therein. The pump portion is disposed between a high pressure side and a low pressure side of a working fluid circuit. A drive turbine is coupled to the pump portion and configured to drive the pump portion to enable the pump portion to circulate a working fluid through the working fluid circuit. A pressure release valve is fluidly coupled to the pressure release passageway and configured to be positioned in an opened position to enable pressure to be released through the pressure release passageway and in a closed position to disable pressure from being released through the pressure release passageway.


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