[특허]Systems and methods for efficient pumping of high-pressure fluids for energy storage and recovery

Sustainx Inc.

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특허 상세정보

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Systems and methods for efficient pumping of high-pressure fluids for energy storage and recovery

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01K-021/04 F01B-029/00 F16D-031/02
미국특허분류(USC)	060/511; 060/512; 060/408; 060/417
출원번호	US-0009409 (2011-01-19)
등록번호	US-8359856 (2013-01-29)
발명자 / 주소	McBride, Troy O. Bollinger, Benjamin R. Scott, Michael Neil Cook, Robert Magari, Patrick
출원인 / 주소	Sustainx Inc.
인용정보	피인용 횟수 : 14 인용 특허 : 448

초록

In various embodiments, a mechanical assembly and/or storage vessel is fluidly coupled to a circulation apparatus for receiving pressurized heat-transfer fluid from an outlet at a first elevated pressure, boosting a pressure of the heat-transfer fluid to a second pressure larger than the first pressure, and returning heat-transfer fluid to an inlet at a third pressure.

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1. An energy storage and recovery system suitable for the efficient use and conservation of energy resources, the system comprising: a mechanical assembly for at least one of expansion or compression of a gas, the mechanical assembly being configured to receive a heat-transfer fluid for maintaining the gas at a substantially constant temperature during the at least one of expansion or compression; andin fluid communication with the mechanical assembly, a circulation apparatus for receiving pressurized heat-transfer fluid from an outlet of the mechanical assembly at a first elevated pressure, boosting a pressure of the heat-transfer fluid to a second pressure larger than the first pressure, and returning heat-transfer fluid to an inlet of the mechanical assembly at a third pressure, to thereby increase efficiency of the at least one of expansion or compression,wherein the circulation apparatus comprises:a pumping cylinder comprising (i) two separated chambers selectively fluidly connected to the inlet and the outlet of the mechanical assembly, and (ii) a piston disposed within the pumping cylinder separating the chambers; andan actuator, coupled to the piston, for alternately driving the piston in two opposing directions, thereby alternately increasing a pressure within each of the two chambers. 2. The system of claim 1, wherein the third pressure ranges from approximately the first pressure to approximately the second pressure. 3. The system of claim 1, further comprising a manifold assembly (i) selectively fluidly connected to both chambers of the pumping cylinder, and (ii) selectively fluidly connected to the inlet and the outlet of the mechanical assembly, such that each chamber alternatively receives the heat-transfer fluid from the mechanical assembly at the first pressure and returns the heat-transfer fluid to the inlet of the mechanical assembly at the second pressure. 4. The system of claim 1, wherein the actuator comprises a linear actuator. 5. The system of claim 1, wherein the actuator comprises a servo motor and ball-screw actuator. 6. The system of claim 1, further comprising a heat exchanger for thermally conditioning the heat-transfer fluid during circulation thereof. 7. The system of claim 1, further comprising a mechanism for introducing the heat-transfer fluid into the mechanical assembly. 8. The system of claim 7, wherein the mechanism for introducing the heat-transfer fluid comprises at least one of a spray head or a spray rod. 9. The system of claim 1, wherein the mechanical assembly comprises a cylinder assembly having (i) two separated compartments and (ii) a movable boundary disposed within the cylinder assembly separating the compartments. 10. The system of claim 9, wherein at least one of the compartments is pneumatic. 11. The system of claim 10, wherein both of the compartments are pneumatic. 12. The system of claim 10, wherein one of the compartments is hydraulic. 13. The system of claim 9, wherein the movable boundary comprises a piston and rod assembly. 14. The system of claim 13, wherein the piston and rod assembly defines a fluid passageway therethrough connected to the outlet of the cylinder assembly. 15. The system of claim 1, further comprising, selectively fluidly connected to the mechanical assembly, a vessel for storage of compressed gas. 16. The system of claim 15, further comprising, in fluid communication with the vessel, a second circulation apparatus for receiving pressurized heat-transfer fluid from an outlet of the vessel at a fourth elevated pressure, boosting a pressure of the heat-transfer fluid to a fifth pressure larger than the fourth pressure, and returning heat-transfer fluid to an inlet of the vessel at a sixth pressure ranging from approximately the fourth pressure to approximately the fifth pressure. 17. An energy storage and recovery system suitable for the efficient use and conservation of energy resources, the system comprising: a mechanical assembly for at least one of expansion or compression of a gas, the mechanical assembly being configured to receive a heat-transfer fluid for maintaining the gas at a substantially constant temperature during the at least one of expansion or compression; andin fluid communication with the mechanical assembly, a circulation apparatus for receiving pressurized heat-transfer fluid from an outlet of the mechanical assembly at a first elevated pressure, boosting a pressure of the heat-transfer fluid to a second pressure larger than the first pressure, and returning heat-transfer fluid to an inlet of the mechanical assembly at a third pressure, to thereby increase efficiency of the at least one of expansion or compression,wherein the mechanical assembly comprises a cylinder assembly having (i) two separated compartments and (ii) a movable boundary disposed within the cylinder assembly separating the compartments and comprising a piston and rod assembly defining fluid passageway therethrough connected to the outlet of the cylinder assembly. 18. An energy storage and recovery system suitable for the efficient use and conservation of energy resources, the system comprising: a mechanical assembly for at least one of expansion or compression of a gas, the mechanical assembly being configured to receive a heat-transfer fluid for maintaining the gas at a substantially constant temperature during the at least one of expansion or compression:in fluid communication with the mechanical assembly, a circulation apparatus for receiving pressurized heat-transfer fluid from an outlet of the mechanical assembly at a first elevated pressure, boosting a pressure of the heat-transfer fluid to a second pressure larger than the first pressure, and returning heat-transfer fluid, to an inlet of the mechanical assembly at a third pressure, to thereby increase efficiency of the at least one of expansion or compression:selectively fluidly connected to the mechanical assembly, a vessel for storage of compressed gas; andin fluid communication with the vessel, a second circulation apparatus for receiving pressurized heat-transfer fluid from an outlet of the vessel at a fourth elevated pressure, boosting a pressure of the heat-transfer fluid to a fifth pressure larger than the fourth pressure, and returning heat-transfer fluid, to an inlet of the vessel at a sixth pressure. 19. The system of claim 18, wherein the sixth pressure ranges from approximately the fourth pressure to approximately the fifth pressure.

이 특허에 인용된 특허 (448)

이 특허를 인용한 특허 피인용횟수: 14

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특허 상세정보

Systems and methods for efficient pumping of high-pressure fluids for energy storage and recovery

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이 특허에 인용된 특허 (448)

이 특허를 인용한 특허 피인용횟수: 14

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특허 상세정보

Systems and methods for efficient pumping of high-pressure fluids for energy storage and recovery

초록

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이 특허에 인용된 특허 (448)

이 특허를 인용한 특허 피인용횟수: 14

IPC 상위 출원인

과제정보

상세정보조회

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IPC 상세정보(version : 201201)

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