Accumulator arrangement for storing a refrigerating medium, and method of operating such an accumulator arrangement
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25B-043/00
F28F-009/00
F25B-009/00
출원번호
US-0743448
(2013-01-17)
등록번호
US-9644901
(2017-05-09)
우선권정보
DE-10 2011 014 954 (2011-03-24)
발명자
/ 주소
Piesker, Markus
출원인 / 주소
AIRBUS OPERATIONS GMBH
대리인 / 주소
Carter, DeLuca, Farrell & Schmidt, LLP
인용정보
피인용 횟수 :
0인용 특허 :
3
초록▼
An accumulator arrangement suitable for use in a cooling system designed for operation with a two-phase refrigerating medium, includes an accumulator vessel with a receptacle for receiving a refrigerating medium. A liquefier of the accumulator arrangement is adapted to liquefy refrigerating medium t
An accumulator arrangement suitable for use in a cooling system designed for operation with a two-phase refrigerating medium, includes an accumulator vessel with a receptacle for receiving a refrigerating medium. A liquefier of the accumulator arrangement is adapted to liquefy refrigerating medium to be received into the receptacle of the accumulator vessel before fed in the receptacle of the accumulator vessel and includes a refrigerating medium outlet for discharging refrigerating medium which liquefied in the liquefier from the liquefier. The accumulator arrangement includes a heat exchanger arranged in the receptacle of the accumulator vessel and a refrigerating medium inlet connected to the refrigerating medium outlet of the liquefier for feeding refrigerating medium liquefied in the liquefier into the heat exchanger, and a refrigerating medium outlet which opens into the receptacle of the accumulator vessel for discharging refrigerating medium from the heat exchanger into the receptacle of the accumulator vessel.
대표청구항▼
1. An accumulator arrangement, for use in a cooling system which is designed for operation with a two-phase refrigerating medium, comprising: an accumulator vessel with a receptacle for receiving a refrigerating medium;a liquefier adapted to liquefy refrigerating medium to be received in the recepta
1. An accumulator arrangement, for use in a cooling system which is designed for operation with a two-phase refrigerating medium, comprising: an accumulator vessel with a receptacle for receiving a refrigerating medium;a liquefier adapted to liquefy refrigerating medium to be received in the receptacle of the accumulator vessel before it is fed into the receptacle of the accumulator vessel, and which includes a refrigerating medium outlet for discharging the refrigerating medium liquefied in the liquefier;a heat exchanger arranged in the receptacle of the accumulator vessel, and which includes a refrigerating medium inlet which is directly connected to the refrigerating medium outlet of the liquefier via a connecting pipe for feeding the refrigerating medium liquefied in the liquefier into the heat exchanger, and a refrigerating medium outlet which opens into the receptacle of the accumulator vessel, for discharging the refrigerating medium from the heat exchanger into the receptacle of the accumulator vessel;a vent pipe directly connecting the receptacle of the accumulator vessel to the interior of the liquefier such that the accumulator vessel is vented via the vent pipe into the interior of the liquefier; anda first separation sheet arranged in the liquefier so as to separate a first area of the liquefier from a second area of the liquefier, the second area of the liquefier being arranged above the first area of the liquefier;wherein the first separation sheet is below the surface of the refrigerating medium in the liquefier. 2. The accumulator arrangement according to claim 1, wherein the refrigerating medium outlet of the liquefier is arranged in the region of a sump of the liquefier, and the refrigerating medium outlet of the liquefier and the refrigerating medium inlet of the heat exchanger are arranged at the same height relative to each other, and/or wherein the refrigerating medium outlet of the heat exchanger is arranged above the refrigerating medium outlet of the liquefier. 3. The accumulator arrangement according to claim 1, wherein the heat exchanger comprises a first section and a second section which is arranged downstream from the first section, the first section of the heat exchanger being arranged below the refrigerating medium outlet of the liquefier, so that the refrigerating medium which is fed from the refrigerating medium outlet of the liquefier into the heat exchanger can flow through the first section of the heat exchanger in a first direction, driven by gravity, and the second section of the heat exchanger being positioned relative to the first section of the heat exchanger so that the refrigerating medium can flow through it in a second direction opposite to the first direction. 4. The accumulator arrangement according to claim 1, further comprising a further accumulator vessel with a receptacle for receiving a refrigerating medium, and a further heat exchanger which is arranged in the receptacle of the further accumulator vessel, wherein a refrigerating medium inlet of the further heat exchanger is connected to a sump of the accumulator vessel, and a refrigerating medium outlet of the further heat exchanger opens into the receptacle of the further accumulator vessel. 5. The accumulator arrangement according to claim 1, further comprising a further accumulator vessel with a receptacle for receiving a refrigerating medium, and a further heat exchanger which is arranged in the receptacle of the further accumulator vessel, wherein a refrigerating medium inlet of the further heat exchanger is connected to the refrigerating medium outlet of the liquefier, a refrigerating medium outlet of the further heat exchanger is connected to the refrigerating medium inlet of the heat exchanger, and a sump of the accumulator vessel is connected to a sump of the further accumulator vessel, to transfer refrigerating medium received in the receptacle of the accumulator vessel out of the receptacle of the accumulator vessel into the receptacle of the further accumulator vessel. 6. The accumulator arrangement according to claim 1, further comprising a further accumulator vessel with a receptacle for receiving a refrigerating medium, and a further heat exchanger which is arranged in the receptacle of the further accumulator vessel, wherein a refrigerating medium inlet of the further heat exchanger is connected to a further refrigerating medium outlet of the liquefier, and a refrigerating medium outlet of the further heat exchanger opens into the receptacle of the further accumulator vessel, in particular a sump of the accumulator vessel being connected to a sump of the further accumulator vessel, in order to transfer refrigerating medium received in the receptacle of the accumulator vessel from the receptacle of the accumulator vessel into the receptacle of the further accumulator vessel. 7. The accumulator arrangement according to claim 1, further comprising a further accumulator vessel with a receptacle for receiving a refrigerating medium, and a further heat exchanger which is arranged in the receptacle of the further accumulator vessel, wherein a refrigerating medium inlet of the further heat exchanger is connected to the refrigerating medium outlet of the liquefier, and a refrigerating medium outlet of the further heat exchanger opens into the receptacle of the further accumulator vessel, the refrigerating medium inlet of the heat exchanger being connected to the further heat exchanger upstream from the refrigerating medium outlet of the further heat exchanger, and the refrigerating medium outlet of the further heat exchanger being arranged below the refrigerating medium outlet of the heat exchanger. 8. The accumulator arrangement according to claim 1, further comprising a further liquefier, which is adapted to liquefy the refrigerating medium to be received in at least one of the receptacle of the accumulator vessel and a receptacle of a further accumulator vessel before it is fed into at least one of the receptacle of the accumulator vessel and the receptacle of the further accumulator vessel; and a refrigerating medium outlet which is connected directly to at least one of the receptacle of the accumulator vessel and the receptacle of the further accumulator vessel, so as to discharge the refrigerating medium liquefied in the further liquefier from the further liquefier into at least one of the receptacle of the accumulator vessel and the receptacle of the further accumulator vessel. 9. The accumulator arrangement according to claim 1, wherein a receptacle of a further accumulator vessel is connected via a further vent pipe to an interior of the liquefier, and/or wherein at least one of the receptacle of the accumulator vessel and the receptacle of the further accumulator vessel is connected via a recirculation conduit to an interior of the liquefier. 10. The accumulator arrangement according to claim 1, wherein the heat exchanger has, upstream from its refrigerating medium outlet, an opening, or multiple openings which open(s) into the receptacle of the accumulator vessel at different heights, and/or wherein a further heat exchanger has, upstream from its refrigerating medium outlet, an opening, or multiple openings which open(s) into the receptacle of a further accumulator vessel at different heights. 11. The accumulator arrangement according to claim 1, further comprising a second separation sheet which is arranged in the receptacle of the accumulator vessel so as to separate a first area of the receptacle from a second area of the receptacle, the second area of the receptacle being arranged above the first area of the receptacle. 12. The accumulator arrangement according to claim 11, wherein at least one of the first and the second separation sheet is provided with at least one opening. 13. A method for operating an accumulator arrangement, suitable for use in a cooling system which is designed for operation with a two-phase refrigerating medium, the method comprising: liquefying refrigerating medium which is to be received in a receptacle of an accumulator vessel in a liquefier;feeding the refrigerating medium liquefied in the liquefier through a refrigerating medium outlet of the liquefier into a heat exchanger which is arranged in the receptacle of the accumulator vessel;discharging the refrigerating medium from the heat exchanger into the receptacle of the accumulator vessel through a refrigerating medium outlet of the heat exchanger; andventing the receptacle of the accumulator vessel via a vent pipe into the interior of the liquefier,wherein a substantially horizontal separation sheet extends below the surface of the refrigerating medium in the liquefier. 14. The method according to claim 13, wherein the refrigerating medium liquefied in the liquefier is fed out of the liquefier into the heat exchanger through a refrigerating medium outlet of the liquefier, the refrigerating medium outlet being arranged in a region of a sump of the liquefier, wherein the refrigerating medium liquefied in the liquefier is fed out of the liquefier into the heat exchanger through a refrigerating medium outlet of the liquefier, the refrigerating medium outlet being arranged at the same height as a refrigerating medium inlet of the heat exchanger, and/or wherein the refrigerating medium is discharged from the heat exchanger into the receptacle of the accumulator vessel through a refrigerating medium outlet of the heat exchanger, which is arranged above the refrigerating medium outlet of the liquefier. 15. The method according to claim 13, wherein the heat exchanger comprises a first section and a second section arranged downstream from the first section, wherein the refrigerating medium which is fed from the refrigerating medium outlet of the liquefier into the heat exchanger flows through the first section of the heat exchanger in a first direction, driven by gravity, and wherein refrigerating medium flows through the second section of the heat exchanger in a second direction opposite to the first direction. 16. The method according to claim 13, further comprising: feeding refrigerating medium from a sump of the accumulator vessel into a further heat exchanger; anddischarging refrigerating medium from the further heat exchanger into a receptacle of a further accumulator vessel. 17. The method according to claim 13, further comprising: feeding refrigerating medium liquefied in the liquefier into a further heat exchanger;discharging the refrigerating medium from the further heat exchanger into the heat exchanger; andfeeding refrigerating medium from a sump of the accumulator vessel into a sump of a further accumulator vessel. 18. The method according to claim 13, further comprising: feeding refrigerating medium liquefied in the liquefier into a further heat exchanger; anddischarging the refrigerating medium from the further heat exchanger into a receptacle of a further accumulator vessel, wherein, the refrigerating medium from a sump of the accumulator vessel is transferred into a sump of the further accumulator vessel. 19. The method according to claim 13, further comprising: feeding refrigerating medium liquefied in the liquefier into a further heat exchanger; anddischarging the refrigerating medium from the further heat exchanger into a receptacle of a further accumulator vessel, wherein the refrigerating medium is fed from the further heat exchanger into the heat exchanger upstream from a refrigerating medium outlet of the further heat exchanger, the refrigerating medium outlet of the further heat exchanger being arranged below the refrigerating medium outlet of the heat exchanger. 20. The method according to claim 13, wherein the refrigerating medium to be received in at least one of the receptacle of the accumulator vessel and a receptacle of a further accumulator vessel is liquefied by a further liquefier, wherein the refrigerating medium liquefied by the further liquefier is fed directly into at least one of the receptacle of the accumulator vessel and the receptacle of the further accumulator vessel. 21. The method according to claim 13, wherein a receptacle of a further accumulator vessel is vented via a further vent pipe which is connected to the interior of the liquefier, and/or wherein the refrigerating medium is recirculated from at least one of the receptacle of the accumulator vessel and the receptacle of the further accumulator vessel into the interior of the liquefier, via a recirculation conduit which is connected to the interior of the liquefier. 22. The method according to claim 13, wherein the refrigerating medium is fed from the heat exchanger into the receptacle of the accumulator vessel through multiple openings of the heat exchanger, the openings opening at different heights into the receptacle of the accumulator vessel upstream from a refrigerating medium outlet of the heat exchanger, and/or wherein the refrigerating medium is fed from a further heat exchanger into a receptacle of a further accumulator vessel through multiple openings of the further heat exchanger, the openings opening at different heights into the receptacle of the further accumulator vessel upstream from a refrigerating medium outlet of the further heat exchanger. 23. An aircraft comprising an accumulator arrangement according to claim 1. 24. The method according to claim 13, wherein a further substantially horizontal separation sheet in the receptacle separates a subcooled area of the receptacle from the phase boundary between liquid refrigerating medium and vaporous refrigerating medium. 25. The accumulator arrangement according to claim 11, wherein the second separation sheet is below a surface of the refrigerating medium in the receptacle. 26. The method according to claim 13, wherein the substantially horizontal separation sheet in the liquefier separates a subcooled area of the liquefier from the phase boundary between liquid refrigerating medium and vaporous refrigerating medium.
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이 특허에 인용된 특허 (3)
Piesker, Markus, Accumulator arrangement for storing a refrigerating medium, and method of operating such an accumulator arrangement.
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