Granted Patent B1

US 12,729,632 · App. 18/754,035 · Granted Sep 8, 2026

Inventors: John Setel O'Donnell (Oakland, CA); Yusef Desjardins Ferhani (Menlo Park, CA)

Assignee: Rondo Energy, Inc.

F01K3/02B63H11/00F01K3/08F01K3/186F01K13/02F01K15/00F03G6/071F22B29/06F22B35/10F28D20/00H01M8/04014H01M8/04029H01M8/04037H01M8/04052H01M8/04074H02J1/102H02J3/00H02J3/04H02M1/0003H02M1/007B63H11/12B63H11/14B63H11/16F01K11/02F01K19/04F03D9/18F28D2020/0004Y02E60/14

Abstract

Claims (21)

1 . A power cycle fluid booster system for use with a high-pressure turbine, including:

a thermal energy storage (TES) storage system including a TES medium configured to store thermal energy generated by conversion of input electrical energy from a renewable energy source,

a thermal vapor compressor configured to combine a first power cycle working fluid at a first temperature and a first pressure from a heat source and with another working fluid at a second temperature and a second pressure heated by the TES, wherein the first temperature is less than the second temperature and the first pressure is less than the second pressure, and further configured to provide a combined first power cycle working fluid at an increased temperature and increased pressure as input to the high-pressure turbine configured to generate electrical energy and output the first power cycle working fluid at a lower pressure; and

a heat exchanger configured to receive the output first power cycle working fluid to heat a second power cycle working fluid that is provided to a second turbine.

2 . The power cycle fluid booster system of claim 1 , wherein the first power cycle working fluid is steam, and the second power cycle working fluid is an organic fluid having a substantially lower boiling point than steam.

3 . The power cycle fluid booster system of claim 1 , wherein the first power cycle working fluid is an organic, high molecular mass fluid.

4 . A power cycle fluid booster system for use with a high-pressure turbine, including:

a thermal energy storage (TES) storage system including a TES medium configured to store thermal energy generated by conversion of input electrical energy from a renewable energy source,

a thermal vapor compressor configured to combine a first power cycle working fluid at a first temperature and a first pressure from a heat source and with another working fluid at a second temperature and a second pressure heated by the TES, wherein the first temperature is less than the second temperature and the first pressure is less than the second pressure, and further configured to provide a combined first power cycle working fluid at an increased temperature and increased pressure as input to the high-pressure turbine configured to generate electrical energy and output the first power cycle working fluid at a lower pressure; and

a heat exchanger configured to receive the output first power cycle working fluid to heat a second power cycle working fluid that is provided to a second turbine;

wherein the heat source includes a heat exchanger configured to transfer heat from a geothermal fluid to the first power cycle working fluid.

5 . The power cycle fluid booster system of claim 4 , wherein the geothermal fluid is received from a subsurface location.

6 . The power cycle fluid booster system of claim 1 , wherein the first power cycle working fluid from the heat source is at a temperature of about 250° C. or less.

7 . The power cycle fluid booster system of claim 1 , wherein the first power cycle working fluid from the heat source is at a temperature in a range of about 70°-150° C.

8 . A power cycle fluid booster system for use with a high-pressure turbine, including:

a thermal energy storage (TES) storage system including a TES medium configured to store thermal energy generated by conversion of input electrical energy from a renewable energy source,

a thermal vapor compressor configured to combine a first power cycle working fluid at a first temperature and a first pressure from a heat source and with another working fluid at a second temperature and a second pressure heated by the TES, wherein the first temperature is less than the second temperature and the first pressure is less than the second pressure, and further configured to provide a combined first power cycle working fluid at an increased temperature and increased pressure as input to the high-pressure turbine configured to generate electrical energy and output the first power cycle working fluid at a lower pressure; and

a heat exchanger configured to receive the output first power cycle working fluid to heat a second power cycle working fluid that is provided to a second turbine;

wherein the heat source of the first power cycle working fluid is exhaust from a furnace.

9 . The power cycle fluid booster system of claim 1 , wherein the heat source of the first power cycle working fluid is exhaust from a boiler.

10 . The power cycle fluid booster system of claim 1 , wherein the heat source of the first power cycle working fluid is exhaust from a reactor.

Assignments (1)

Continuity (15)

References Cited (400)