US 11,873,742 B2
Thermal energy storage system with deep discharge
John Setel O'Donnell, Oakland, CA (US); Peter Emery von Behrens, Oakland, CA (US); Chiaki Treynor, Berkeley, CA (US); Jeremy Quentin Keller, Seattle, WA (US); Matthieu Jonemann, Redwood City, CA (US); Robert Ratz, San Jose, CA (US); and Yusef Desjardins Ferhani, Menlo, CA (US)
Assigned to Rondo Energy, Inc., Alameda, CA (US)
Filed by Rondo Energy, Inc., Alameda, CA (US)
Filed on Feb. 6, 2023, as Appl. No. 18/164,896.
Application 18/164,896 is a continuation of application No. 17/650,520, filed on Feb. 9, 2022, granted, now 11,572,809.
Application 17/650,520 is a continuation of application No. PCT/US2021/061041, filed on Nov. 29, 2021.
Application PCT/US2021/061041 is a continuation of application No. 17/537,407, filed on Nov. 29, 2021, granted, now 11,603,776.
Claims priority of provisional application 63/231,155, filed on Aug. 9, 2021.
Claims priority of provisional application 63/170,370, filed on Apr. 2, 2021.
Claims priority of provisional application 63/165,632, filed on Mar. 24, 2021.
Claims priority of provisional application 63/155,261, filed on Mar. 1, 2021.
Claims priority of provisional application 63/119,443, filed on Nov. 30, 2020.
Prior Publication US 2023/0220787 A1, Jul. 13, 2023
Int. Cl. F01K 3/02 (2006.01); H02M 1/00 (2006.01); F01K 3/08 (2006.01); F01K 3/18 (2006.01); F01K 15/00 (2006.01); F28D 20/00 (2006.01); H01M 8/04014 (2016.01); H01M 8/04029 (2016.01); H01M 8/04007 (2016.01); B63H 11/00 (2006.01); F03G 6/00 (2006.01); F01K 13/02 (2006.01); F22B 29/06 (2006.01); F22B 35/10 (2006.01); H02J 1/10 (2006.01); H02J 3/00 (2006.01); H02J 3/04 (2006.01); F03D 9/18 (2016.01); 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)
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 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)] 30 Claims
OG exemplary drawing
 
1. A thermal energy storage system, comprising:
a first thermal storage assemblage;
one or more heater devices configured to generate heat from received energy to heat the first thermal storage assemblage; and
a control system configured to generate an output fluid flow of fluid that has absorbed heat from the heated first thermal storage assemblage, including being configured to:
execute, during a first discharge interval, a partial discharge cycle of the first thermal storage assemblage during which the first thermal storage assemblage reaches a first minimum temperature that is not within a deep-discharge temperature region; and
execute, during a second discharge interval, a deep discharge cycle of the first thermal storage assemblage during which the first thermal storage assemblage reaches a second minimum temperature that is within a deep-discharge temperature region and is lower than the first minimum temperature, wherein the second minimum temperature is selected to prevent thermal runaway of the first thermal storage assemblage.