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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.

Patent No.:

US 12359591 B1

PDFFull Text
Date of Patent:
Jul. 15, 2025

Filed:

Nov. 22, 2023

Thermal energy storage systems for repowering existing power plants for improving efficiency and safety

Applicant:

Rondo Energy, Inc., Alameda, CA (US);

Inventors:

John Setel O'Donnell, Oakland, CA (US);

Carlos Alberto Ceballos Castillo, Medellin, CO;

Assignee:

Rondo Energy, Inc., Alameda, CA (US);

Attorneys:

Procopio, Cory, Hargreaves & Savitch

Matt Rainey

Primary Examiner:

Shafiq Mian

Int. Cl.
CPC ...
F01K 3/02 (2006.01); B63H 11/00 (2006.01); F01K 3/08 (2006.01); F01K 3/18 (2006.01); F01K 13/02 (2006.01); F01K 15/00 (2006.01); F03G 6/00 (2006.01); F22B 29/06 (2006.01); F22B 35/10 (2006.01); F28D 20/00 (2006.01); H01M 8/04007 (2016.01); H01M 8/04014 (2016.01); H01M 8/04029 (2016.01); H02J 1/10 (2006.01); H02J 3/00 (2006.01); H02J 3/04 (2006.01); H02M 1/00 (2006.01); B63H 1/12 (2006.01); B63H 11/12 (2006.01); B63H 11/14 (2006.01); B63H 11/16 (2006.01); F01K 11/02 (2006.01); F01K 19/04 (2006.01); F03D 9/18 (2016.01);
U.S. Cl.
CPC ...
F01K 3/02 (2013.01); B63H 11/00 (2013.01); F01K 3/08 (2013.01); F01K 3/186 (2013.01); F01K 13/02 (2013.01); F01K 15/00 (2013.01); F03G 6/071 (2021.08); F22B 29/06 (2013.01); F22B 35/10 (2013.01); F28D 20/00 (2013.01); H01M 8/04014 (2013.01); H01M 8/04029 (2013.01); H01M 8/04037 (2013.01); H01M 8/04052 (2013.01); H01M 8/04074 (2013.01); H02J 1/102 (2013.01); H02J 3/00 (2013.01); H02J 3/04 (2013.01); H02M 1/0003 (2021.05); H02M 1/007 (2021.05); B63H 1/12 (2013.01); B63H 11/12 (2013.01); B63H 11/14 (2013.01); B63H 11/16 (2013.01); F01K 11/02 (2013.01); F01K 19/04 (2013.01); F03D 9/18 (2016.05); F28D 2020/0004 (2013.01); Y02E 60/14 (2013.01);
Abstract

An energy storage system (TES) converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. In one application, there are thermal energy storage units that provide existing power plants with greater system efficiency, safety, and reduced fuel consumption.

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