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:
Jul. 02, 2024

Filed:

Apr. 19, 2022
Applicant:

Sapphire Technologies, Inc., Cerritos, CA (US);

Inventors:

Jeffrey Earl, Hermosa Beach, CA (US);

Freddie Sarhan, Cerritos, CA (US);

Assignee:

Sapphire Technologies, Inc., Cerritos, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2016.01); B60L 58/33 (2019.01); H01M 8/04007 (2016.01); H01M 8/04014 (2016.01); H01M 8/04089 (2016.01); H01M 8/0432 (2016.01); H01M 8/04701 (2016.01); H01M 8/04746 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04067 (2013.01); B60L 58/33 (2019.02); H01M 8/04014 (2013.01); H01M 8/04089 (2013.01); H01M 8/04365 (2013.01); H01M 8/04708 (2013.01); H01M 8/04753 (2013.01); B60L 2220/14 (2013.01); H01M 2220/20 (2013.01);
Abstract

A fuel cell system includes a gas fuel source, a fuel cell stack fluidly connected to the gas fuel source by a first pathway, and a turboexpander generator fluidly connected to the gas fuel source by a bypass fluid pathway in parallel with at least a portion of the first pathway. The first pathway transmits a first amount of gas fuel from the gas fuel source to the fuel cell stack. The turboexpander generator receives a second amount of gas fuel from the gas fuel source and reduces a pressure and temperature of the second amount of the gas fuel. The fuel cell system also includes a motor electrically connected to the fuel cell stack and the turboexpander generator, where the fuel cell stack and the turboexpander generator each supply electrical power to the motor.


Find Patent Forward Citations

Quick Actions:

Earl, Jeffrey. (2024). Fuel cell temperature control (U.S. Patent No. 12027732). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12027732

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