Compressor and/or expander device with rolling piston seal
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16J-003/00
F02G-001/00
출원번호
US-0312467
(2011-12-06)
등록번호
US-8567303
(2013-10-29)
발명자
/ 주소
Ingersoll, Eric D.
Aborn, Justin A.
Blieske, Matthew
Hauer, Istvan
출원인 / 주소
General Compression, Inc.
대리인 / 주소
Goodwin Procter LLP
인용정보
피인용 횟수 :
1인용 특허 :
226
초록▼
An apparatus can include a piston movably disposed within a pressure vessel and defines a first interior region and a second interior region. The piston has a first position in which the first interior contains a gas having a first pressure and has a volume greater than the second interior region, a
An apparatus can include a piston movably disposed within a pressure vessel and defines a first interior region and a second interior region. The piston has a first position in which the first interior contains a gas having a first pressure and has a volume greater than the second interior region, and a second position in which the second interior region contains a gas having a second pressure and has a volume greater than the first interior region. A seal member is attached to the piston and to the pressure vessel. The seal member has a first configuration in which at least a portion of the seal member is disposed at a first position when the piston is in its first position, and a second configuration in which the portion of the seal member is disposed at a second position when the piston is in its second position.
대표청구항▼
1. An apparatus suitable for use in a compressed-gas-based energy storage and recovery system, the apparatus comprising: a pressure vessel defining an interior region in which at least one of a liquid and a gas can be contained;a piston movably disposed within the interior region of the pressure ves
1. An apparatus suitable for use in a compressed-gas-based energy storage and recovery system, the apparatus comprising: a pressure vessel defining an interior region in which at least one of a liquid and a gas can be contained;a piston movably disposed within the interior region of the pressure vessel, the piston dividing the interior region into a first interior region on a first side of the piston and a second interior region on a second, opposite side of the piston, each of the first and second interior regions including a fluid inlet and a fluid outlet; anda seal member comprising a rib, the seal member attached to the piston by the rib and a mating groove defined in an outer wall of the piston and attached to the pressure vessel at at least one end of the seal member, the seal member configured to move between a first configuration in which at least a portion of the seal member is disposed at a first position within the pressure vessel when the piston is in its first position, and a second configuration in which the at least a portion of the seal member is disposed at a second position within the pressure vessel when the piston is in its second position. 2. The apparatus of claim 1, wherein the piston is configured to move in a first direction within the pressure vessel such that gas is received in the first interior region at a first pressure and gas is discharged from the second interior region at a second pressure, and a second direction opposite the first direction such that the gas in the first interior region is discharged from the first interior region at a third pressure and gas is received within the second interior region at a fourth pressure, the third pressure being greater than the first pressure and the second pressure being greater than the fourth pressure. 3. The apparatus of claim 1, wherein the seal member defines a seal interior region configured to receive a fluid. 4. The apparatus of claim 3, further comprising: a conduit coupled to and in fluid communication with the seal interior region and configured to communicate pressurized fluid to the seal interior region. 5. The apparatus of claim 1, wherein the seal member is a first seal member, the apparatus further comprising: a second seal member attached to the piston and attached to the pressure vessel, the second seal member configured to move between a first configuration in which at least a portion of the second seal member is disposed at a first position within the pressure vessel when the piston is in its first position, and a second configuration in which the at least a portion of the second seal member is disposed at a second position within the pressure vessel when the piston is in its second position. 6. The apparatus of claim 5, wherein the first seal member, the second seal member and the piston collectively define a seal interior region. 7. The apparatus of claim 6, further comprising: a vacuum source; anda manifold coupled to the vacuum source and coupled to and in fluid communication with the seal interior region, the vacuum source configured to create a vacuum in the seal interior region. 8. An apparatus suitable for use in a compressed-gas-based energy storage and recovery system, the apparatus comprising: a pressure vessel defining an interior region in which at least one of a liquid and a gas can be contained;a piston movably disposed within the interior region of the pressure vessel, the piston being movable between a first position and a second position within the interior region of the pressure vessel; anda seal member comprising a rod forming a bead, the seal member attached to the piston and attached to the pressure vessel by clamping the bead thereto, the seal member defining a seal interior region configured to contain a pressurized fluid, the seal member configured to move between a first configuration in which at least a portion of the seal member is disposed at a first position within the pressure vessel when the piston is in its first position, and a second configuration in which at least a portion of the seal member is disposed at a second position within the pressure vessel when the piston is in its second position. 9. The apparatus of claim 8, wherein the piston divides the interior region into a first interior region on a first side of the piston and a second interior region on a second opposite side of the piston, the piston being configured to move in a first direction within the pressure vessel such that gas is received in the first interior region at a first pressure and gas is discharged from the second interior region at a second pressure, and a second direction opposite the first direction such that the gas in the first interior region is discharged from the first interior region at a third pressure and gas is received within the second interior region at a fourth pressure, the third pressure being greater than the first pressure and the second pressure being greater than the fourth pressure. 10. The apparatus of claim 8, wherein the piston divides the interior region into a first interior region on a first side of the piston and a second interior region on a second opposite side of the piston, when the piston is in its first position gas having a first pressure is disposed within the first interior region and the first interior region has a volume greater than a volume of the second interior region, and when the piston is in its second position gas having a second pressure is disposed within the second interior region and the second interior region has a volume greater than a volume of the first interior region. 11. The apparatus of claim 8, further comprising: a conduit coupled to and in fluid communication with the seal interior region and configured to communicate pressurized fluid to the seal interior region. 12. The apparatus of claim 8, wherein the seal member is formed as an enclosed bag to contain pressurized fluid. 13. The apparatus of claim 8, wherein the seal member is a first seal member, the apparatus further comprising: a second seal member attached to the piston and attached to the pressure vessel, the second seal member configured to move between a first configuration in which at least a portion of the second seal member is disposed at a first position within the pressure vessel when the piston is in its first position, and a second configuration in which at least a portion of the second seal member is disposed at a second position within the pressure vessel when the piston is in its second position. 14. An apparatus suitable for use in a compressed-gas-based energy storage and recovery system, the apparatus comprising: a pressure vessel defining an interior region in which at least one of a liquid and a gas can be contained;a piston movably disposed within the interior region of the pressure vessel, the piston being movable between a first position and a second position within the interior region of the pressure vessel; anda seal member having a first portion coupled to the piston and a second portion coupled to the pressure vessel such that at least a portion of the seal member is disposed between the pressure vessel and the piston, the seal member defining a seal interior region and having a cross-section defining a closed loop, the seal member including a valve pin configured to be received within an opening defined in the pressure vessel, the valve pin configured to inflate the interior region of the seal member with a fluid,the first portion of the seal member configured to move relative to the cylinder when the piston moves between its first position and its second position. 15. The apparatus of claim 14, wherein the seal interior region of the seal member is configured to receive a pressurized fluid. 16. The apparatus of claim 14, wherein the seal member includes multiple pins configured to be received within openings defined by the pressure vessel. 17. The apparatus of claim 14, wherein the seal member includes a rib member configured to be received within a groove defined in the piston. 18. The apparatus of claim 14, wherein the seal member includes a first rib and a second rib, the first rib configured to be received within a groove defined in an interior wall of the pressure vessel, the second rib configured to be received within a groove defined in an outer wall of the piston. 19. The apparatus of claim 14, wherein the piston divides the interior region of the pressure vessel into a first interior region on a first side of the piston and a second interior region on a second opposite side of the piston, the piston being configured to move in a first direction within the pressure vessel such that gas is received in the first interior region at a first pressure and gas is discharged from the second interior region at a second pressure, and a second direction opposite the first direction such that the gas in the first interior region is discharged from the first interior region at a third pressure and gas is received within the second interior region at a fourth pressure, the third pressure being greater than the first pressure and the second pressure being greater than the fourth pressure.
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