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. 29, 2025

Filed:

Jul. 28, 2022
Applicant:

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

Inventors:

Suratkal P. Shenoy, Mission Viejo, CA (US);

Liping Zheng, Buena Park, CA (US);

Jeremy Liu, Norwalk, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/04 (2016.01); F01D 15/10 (2006.01); H02K 7/09 (2006.01); H02K 7/18 (2006.01); H02P 3/22 (2006.01);
U.S. Cl.
CPC ...
H02K 11/04 (2013.01); F01D 15/10 (2013.01); H02K 7/09 (2013.01); H02K 7/1823 (2013.01); H02P 3/22 (2013.01); F05D 2220/764 (2013.01);
Abstract

An electric generator includes a turbine wheel configured to receive process gas and rotate in response to expansion of the process gas flowing into an inlet of the turbine wheel and out of the outlet of the turbine wheel, a rotor coupled to the turbine wheel and configured to rotate with the turbine wheel, and a stationary stator, the electric generator to generate an alternating current upon rotation of the rotor within the stator. The electric generator can supply power to a power grid. During a low voltage event, current from the electric generator can be diverted to a brake resistor assembly. The brake resistor assembly can include a brake resistor designed to allow the electric generator to operate during the low-voltage event.


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Shenoy, Suratkal. (2025). Turboexpander system with low voltage ride through control architecture (U.S. Patent No. 12374963). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12374963

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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