EP2058610B1 - Kühlsystem - Google Patents

Kühlsystem Download PDF

Info

Publication number
EP2058610B1
EP2058610B1 EP07793060.0A EP07793060A EP2058610B1 EP 2058610 B1 EP2058610 B1 EP 2058610B1 EP 07793060 A EP07793060 A EP 07793060A EP 2058610 B1 EP2058610 B1 EP 2058610B1
Authority
EP
European Patent Office
Prior art keywords
silencing space
type silencer
refrigerant
silencing
refrigeration system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP07793060.0A
Other languages
English (en)
French (fr)
Other versions
EP2058610A1 (de
EP2058610A4 (de
Inventor
Satoshi Ishikawa
Masanori Masuda
Masahide Higuchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP2058610A1 publication Critical patent/EP2058610A1/de
Publication of EP2058610A4 publication Critical patent/EP2058610A4/de
Application granted granted Critical
Publication of EP2058610B1 publication Critical patent/EP2058610B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F25B31/02—Compressor arrangements of motor-compressor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide

Definitions

  • the present invention relates to a refrigeration system in which a ⁇ -type silencer is employed as a silencer.
  • US 2002/0071774 A1 discloses a refrigeration system, comprising: a first refrigerant passage; a silencer having a first silencing space communicating with the first refrigerant passage, a second silencing space disposed side-by-side with the fist silencing space, and a communication path extending from the first silencing space to the second silencing space through the outside of the first silencing space and communicating with the second silencing space; and a second refrigerant passage communicating with the second silencing space.
  • US 2002/0071774 A1 discloses a refrigerant system according to the preamble of claim 1.
  • the ⁇ -type silencer has a first silencing space, a second silencing space, and a communication path.
  • the first silencing space communicates with the first refrigerant passage.
  • the second silencing space and the first silencing space are disposed side-by-side.
  • the communication path extends from the lower end of the first silencing space and through the outside of the first silencing space to the lower end of the second silencing space and communicates with the second silencing space.
  • the second refrigerant passage communicates with the second silencing space.
  • the refrigerant may flow in the order of: the first refrigerant passage ⁇ the ⁇ -type silencer ⁇ the second refrigerant passage, or in the opposite order of: the second refrigerant passage ⁇ the ⁇ -type silencer ⁇ the first refrigerant passage.
  • the ⁇ -type silencer is incorporated in this refrigeration system.
  • the pressure pulsation can be sufficiently reduced even when carbon dioxide or the like is employed as a refrigerant.
  • the second silencing space and the first silencing space are disposed side-by-side, and the communication path extends from the lower end of the first silencing space and through the outside of the first silencing space to the lower end of the second silencing space and communicates with the second silencing space.
  • the entire length of the ⁇ -type silencer can be shortened. Consequently, in this refrigeration system, the options for the disposition of the ⁇ -type silencer can be expanded.
  • a refrigeration system according to a second aspect of the present invention is the refrigeration system according to the first aspect of the present invention, wherein the first refrigerant passage is inserted from the upper end of the first silencing space and extends into the inside of the first silencing space.
  • the first refrigerant passage is inserted from the upper end of the first silencing space and extends into the inside of the first silencing space.
  • refrigerating machine oil can be prevented from collecting in the first silencing space when the refrigerant flows from the second silencing space to the first silencing space.
  • a refrigeration system according to a third aspect of the present invention is the refrigeration system according to the second aspect of the present invention, wherein the second refrigerant passage is inserted from the upper end of the second silencing space and extends into the inside of the second silencing space.
  • the second refrigerant passage is inserted from the upper end of the second silencing space and extends into the inside of the second silencing space.
  • refrigerating machine oil can be prevented from collecting in the second silencing space when the refrigerant flows from the first silencing space to the second silencing space.
  • a refrigeration system according to a fourth aspect of the present invention is the refrigeration system according to the third aspect of the present invention, wherein the first refrigerant passage extends from the upper end of the first silencing space.
  • the second refrigerant passage extends from the upper end of the second silencing space.
  • the first refrigerant passage extends from the upper end of the first silencing space
  • the second refrigerant passage extends from the upper end of the second silencing space.
  • a refrigeration system according to a fifth aspect of the present invention is the refrigeration system according to the first aspect of the present invention, wherein the first refrigerant passage extends from the lower end of the first silencing space.
  • the second refrigerant passage extends from the lower end of the second silencing space.
  • the first refrigerant passage extends from the lower end of the first silencing space
  • the second refrigerant passage extends from the lower end of the second silencing space.
  • a refrigeration system according to a sixth aspect of the present invention is the refrigeration system according to any one of the previous aspects of the present invention, wherein a mesh member fills the communication path.
  • the mesh member fills the communication path.
  • reflection waves can be prevented from arising inside the communication path.
  • the pressure pulsation can be sufficiently reduced even when carbon dioxide or the like is employed as a refrigerant.
  • the entire length of the ⁇ -type silencer can be shortened. Consequently, in this refrigeration system, the options for the disposition of the ⁇ -type silencer can be expanded.
  • refrigerating machine oil can be prevented from collecting in the first silencing space when the refrigerant flows from the second silencing space to the first silencing space.
  • refrigerating machine oil can be prevented from collecting in the second silencing space when the refrigerant flows from the first silencing space to the second silencing space.
  • a ⁇ -type silencer having a simple configuration can be used. Therefore, in this refrigeration system, manufacturing cost reduction can be expected.
  • refrigerating machine oil can be prevented from collecting in the first silencing space and the second silencing space.
  • reflection waves can be prevented from arising inside the communication path.
  • FIG. 1 shows a general refrigerant circuit 2 of an air conditioner 1 pertaining to an embodiment of the present invention.
  • the air conditioner 1 uses carbon dioxide as a refrigerant, is capable of cooling operation and heating operation, and is mainly configured by the refrigerant circuit 2, blower fans 26 and 32, a controller 23, a high-pressure pressure sensor 21, a temperature sensor 22, an intermediate-pressure pressure sensor 24 and the like.
  • the refrigerant circuit 2 is mainly equipped with a compressor 11, a ⁇ -type silencer 20, a four-way switch valve 12, an outdoor heat exchanger 13, a first electrically powered expansion valve 15, a liquid receiver 16, a second electrically powered expansion valve 17 and an indoor heat exchanger 31, and the devices are, as shown in FIG. 1 , interconnected via refrigerant pipes.
  • the air conditioner 1 is a discrete-type air conditioner and may also be said to be configured by: an indoor unit 30 that mainly includes the indoor heat exchanger 31 and the indoor fan 32; an outdoor unit 10 that mainly includes the compressor 11, the ⁇ -type silencer 20, the four-way switch valve 12, the outdoor heat exchanger 13, the first electrically powered expansion valve 15, the liquid receiver 16, the second electrically powered expansion valve 17, the high-pressure pressure sensor 21, the intermediate-pressure pressure sensor 24, the temperature sensor 22 and the controller 23; a first communication pipe 41 that interconnects a refrigerant liquid pipe of the indoor unit 30 and a refrigerant liquid pipe of the outdoor unit 10; and a second communication pipe 42 that interconnects a refrigerant gas pipe of the indoor unit 30 and a refrigerant gas pipe of the outdoor unit 10.
  • the refrigerant liquid pipe of the outdoor unit 10 and the first communication pipe 41 are interconnected via a first close valve 18 of the outdoor unit 10 and that the refrigerant gas pipe of the outdoor unit 10 and the second communication pipe 42 are interconnected via a second close valve 19 of the outdoor unit 10.
  • the indoor unit 30 mainly includes the indoor heat exchanger 31, the indoor fan 32 and the like.
  • the indoor heat exchanger 31 is a heat exchanger for causing heat exchange between the refrigerant and room air that is air inside an air-conditioned room.
  • the indoor fan 32 is a fan for taking the air inside the air-conditioned room into the inside of the unit 30 and blowing out air-conditioned air, which is air after heat has been exchanged with the refrigerant via the indoor heat exchanger 31, back inside the air-conditioned room.
  • the indoor unit 30 is capable, during cooling operation, of generating air-conditioned air (cool air) by causing heat to be exchanged between the room air that has been taken inside by the indoor fan 32 and liquid refrigerant that flows through the indoor heat exchanger 31 and is capable, during heating operation, of generating air-conditioned air (warm air) by causing heat to be exchanged between the room air that has been taken inside by the indoor fan 32 and supercritical refrigerant that flows through the indoor heat exchanger 31.
  • air-conditioned air cool air
  • liquid refrigerant that flows through the indoor heat exchanger 31
  • air-conditioned air warm air
  • the outdoor unit 10 mainly includes the compressor 11, the ⁇ -type silencer 20, the four-way switch valve 12, the outdoor heat exchanger 13, the first electrically powered expansion valve 15, the liquid receiver 16, the second electrically powered expansion valve 17, the outdoor fan 26, the controller 23, the high-pressure pressure sensor 21, the temperature sensor 22, the intermediate-pressure pressure sensor 24 and the like.
  • the compressor 11 is a device for sucking in low-pressure gas refrigerant that flows through a suction pipe, compressing the low-pressure gas refrigerant to a supercritical state, and thereafter discharging the supercritical refrigerant to a discharge pipe. It will be noted that, in the present embodiment, the compressor 11 is an inverter rotary-type compressor.
  • the ⁇ -type silencer 20 is, as shown in FIG. 1 , disposed between a discharge side of the compressor 11 and the four-way switch valve 12.
  • the ⁇ -type silencer 20 is, as in the example shown in FIG. 2 , configured by a first silencing space 201, a second silencing space 202 and a communication path 203 that allows the first silencing space 201 and the second silencing space 202 to be communicated.
  • a discharge path of the compressor 11 is connected to the first silencing space 201 via a first refrigerant passage 204 and that a heat transfer path of the outdoor heat exchanger 13 or the indoor heat exchanger 31 is connected to the second silencing space 202 via a second refrigerant passage 205.
  • the refrigerant always flows in the order of: the first silencing space 201 ⁇ the communication path 203 ⁇ the second silencing space 202.
  • the first silencing space 201 is a substantially cylindrical space, with the refrigerant passage 204 being connected to the upper end thereof in the axial direction and the communication path 203 being connected to the lower end thereof in the axial direction.
  • the second silencing space 202 is a substantially cylindrical space, with the communication path 203 being connected to the upper end thereof in the axial direction and the refrigerant passage 205 being connected to the lower end thereof in the axial direction.
  • the communication path 203 is a substantially cylindrical passage whose radius is smaller than the radii of the first silencing space 201 and the second silencing space 202, and the first silencing space 201 and the second silencing space 202 are connected to both sides of the communication path 203. It will be noted that, in the ⁇ -type silencer 20, the axes of the first silencing space 201, the second silencing space 202 and the communication path 203 are superposed.
  • the length of the communication path 203 is longer than S 1 /2(1/V 1 +1/V 2 )(c/ ⁇ N min ) 2 and shorter than c/2f t .
  • S 1 is the cross-sectional area of the communication path 203
  • V 1 is the volume of the first silencing space 201
  • V 2 is the volume of the second silencing space 202
  • c is the speed of sound in carbon dioxide (when the pressure is 10 MPa, the density becomes 221.6 kg/m 3 and the speed of sound becomes 252 m/sec)
  • ⁇ is pi
  • N min is the minimum number of rotations of the compressor 11
  • f t is a target reduction highest frequency.
  • the ⁇ -type silencer 20 is housed in the outdoor unit 10 such that the first silencing space 201 and the second silencing space 202 are arranged one above the other along the vertical direction.
  • the four-way switch valve 12 is a valve for switching the flow direction of the refrigerant in correspondence to each operation and is capable, during cooling operation, of interconnecting the discharge side of the compressor 11 and a high temperature side of the outdoor heat exchanger 13 and also interconnecting the suction side of the compressor 11 and a gas side of the indoor heat exchanger 31 and is capable, during heating operation, of interconnecting the discharge side of the compressor 11 and the second close valve 19 and also interconnecting the suction side of the compressor 11 and a gas side of the outdoor heat exchanger 13.
  • the outdoor heat exchanger 13 is capable, during cooling operation, of using air outside the air-conditioned room as a heat source to cool the high-pressure supercritical refrigerant that has been discharged from the compressor 11 and is capable, during heating operation, of evaporating the liquid refrigerant that returns from the indoor heat exchanger 31.
  • the first electrically powered expansion valve 15 is for depressurizing the supercritical refrigerant (during cooling operation) that flows out from a low temperature side of the outdoor heat exchanger 13 or the liquid refrigerant (during heating operation) that flows in through the liquid receiver 16.
  • the liquid receiver 16 is for storing surplus refrigerant in accordance with the operating mode and the air conditioning load.
  • the second electrically powered expansion valve 17 is for depressurizing the liquid refrigerant (during cooling operation) that flows in through the liquid receiver 16 or the supercritical refrigerant (during heating operation) that flows out from a low temperature side of the indoor heat exchanger 31.
  • the outdoor fan 26 is a fan for taking outdoor air into the inside of the unit 10 and discharging the air after the air has exchanged heat with the refrigerant via the outdoor heat exchanger 13.
  • the high-pressure pressure sensor 21 is disposed on the discharge side of the compressor 11.
  • the temperature sensor 22 is disposed on the outdoor heat exchanger side of the first electrically powered expansion valve 15.
  • the intermediate-pressure pressure sensor 24 is disposed between the first electrically powered expansion valve 15 and the liquid receiver 16.
  • the controller 23 is communicably connected to the high-pressure pressure sensor 21, the temperature sensor 22, the intermediate-pressure pressure sensor 24, the first electrically powered expansion valve 15, the second electrically powered expansion valve 17 and the like and controls the openings of the first electrically powered expansion valve 15 and the second electrically powered expansion valve 17 on the basis of temperature information that is sent from the temperature sensor 22, high-pressure pressure information that is sent from the high-pressure pressure sensor 21 and intermediate-pressure pressure information that is sent from the intermediate-pressure pressure sensor 24.
  • the air conditioner 1 is, as mentioned above, capable of performing cooling operation and heating operation.
  • the four-way switch valve 12 is in the state indicated by the solid lines in FIG. 1 , that is, a state where the discharge side of the compressor 11 is connected to the high temperature side of the outdoor heat exchanger 13 and where the suction side of the compressor 11 is connected to the second close valve 19. Further, at this time, the first close valve 18 and the second close valve 19 are opened.
  • the supercritical refrigerant that has been cooled is sent to the first electrically powered expansion valve 15.
  • the supercritical refrigerant that has been sent to the first electrically powered expansion valve 15 is depressurized to a saturated state and is thereafter sent to the second electrically powered expansion valve 17 via the liquid receiver 16.
  • the refrigerant in the saturated state that has been sent to the second electrically powered expansion valve 17 is depressurized, becomes liquid refrigerant, is thereafter supplied to the indoor heat exchanger 31 via the first close valve 18, cools the room air, is evaporated and becomes gas refrigerant.
  • the four-way switch valve 12 is in the state indicated by the broken lines in FIG. 1 , that is, a state where the discharge side of the compressor 11 is connected to the second close valve 19 and where the suction side of the compressor 11 is connected to the gas side of the outdoor heat exchanger 13. Further, at this time, the first close valve 18 and the second close valve 19 are opened.
  • the supercritical refrigerant heats the room air in the indoor heat exchanger 31 and is cooled.
  • the supercritical refrigerant that has been cooled is sent to the second electrically powered expansion valve 17 through the first close valve 18.
  • the supercritical refrigerant that has been sent to the second electrically powered expansion valve 17 is depressurized to a saturated state and is thereafter sent to the first electrically powered expansion valve 15 via the liquid receiver 16.
  • the refrigerant in the saturated state that has been sent to the first electrically powered expansion valve 15 is depressurized, becomes liquid refrigerant, is thereafter sent to the outdoor heat exchanger 13, is evaporated in the outdoor heat exchanger 13 and becomes gas refrigerant.
  • the gas refrigerant is sucked back into the compressor 11 via the four-way switch valve 12. In this manner, heating operation is performed.
  • the refrigeration system according to the present invention has the characteristic that it can sufficiently reduce pressure pulsation even when carbon dioxide or the like is employed as a refrigerant, so the refrigeration system is suited to a refrigeration system that employs carbon dioxide or the like as a refrigerant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compressor (AREA)
  • Other Air-Conditioning Systems (AREA)

Claims (6)

  1. Kühlsystem, umfassend:
    einen ersten Kältemitteldurchgang (204, 204e, 204h);
    einen π-Schalldämpfer (20c, 20d, 20e, 20h) mit
    einem ersten Schalldämpferraum (201c), der mit dem ersten Kältemitteldurchgang (204) in Verbindung steht,
    einem zweiten Schalldämpferraum (202c), der Seite an Seite mit dem ersten Schalldämpferraum (201c) angeordnet ist, und
    einem Kommunikationspfad (203c), der sich vom unteren Ende des ersten Schalldämpferraums (201c) zum unteren Ende des zweiten Schalldämpferraums (202c) durch die Außenseite des ersten Schalldämpferraums (201c) erstreckt und mit dem zweiten Schalldämpferraum in Verbindung steht (202c);
    einen zweiten Kältemitteldurchgang (205, 205e, 205h), der mit dem zweiten Schalldämpferraum (202c) in Verbindung steht;
    einen Kompressor (11); dadurch gekennzeichnet, dass das Kühlsystem weiterhin umfasst eine Außeneinheit (10),
    ein Vierwegeschaltventil (12),
    einen Außenwärmetauscher (13) und einen Innenwärmetauscher (31),
    wobei der π-Schalldämpfer (20c, 20d, 20e, 20h) zwischen einer Auslassseite des Kompressors (11) und dem Vierwegeschaltventil (12) angeordnet ist;
    wobei ein Auslassweg des Kompressors (11) mit dem ersten Schalldämpferraum (201c) über den ersten Kältemitteldurchgang (204) verbunden ist und ein Wärmeübertragungsweg des Außenwärmetauschers (13) oder des Innenwärmetauschers (31) mit dem zweiten Schalldämpferraum (202c) über den zweiten Kältemitteldurchgang (205) verbunden ist.
  2. Kühlsystem nach Anspruch 1, wobei
    der erste Kühlmittelkanal (204e) vom oberen Ende des ersten Schalldämpferraums eingefügt ist und sich in das Innere des ersten Schalldämpferraums erstreckt.
  3. Kühlsystem nach Anspruch 1 oder Anspruch 2, wobei
    der zweite Kältemitteldurchlass (205e) vom oberen Ende des zweiten Schalldämpferraums eingefügt ist und sich in das Innere des zweiten Schalldämpferraums erstreckt.
  4. Kühlsystem nach Anspruch 1, wobei
    sich der erste Kältemitteldurchgang (204) vom oberen Ende des ersten Schalldämpfungsraums (201c) erstreckt und
    sich der zweite Kältemitteldurchlass (205) vom oberen Ende des zweiten Schalldämpferraums (202c) erstreckt.
  5. Kühlsystem nach Anspruch 1, wobei
    sich der erste Kältemitteldurchgang (204h) vom unteren Ende des ersten Schalldämpferraums erstreckt und
    sich der zweite Kältemitteldurchgang (205h) vom unteren Ende des zweiten Schalldämpferraums erstreckt.
  6. Kühlsystem nach einem der Ansprüche 1 bis 5, wobei ein Maschenelement (207) den Kommunikationspfad (203c) füllt.
EP07793060.0A 2006-08-30 2007-08-28 Kühlsystem Active EP2058610B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006233674A JP4983158B2 (ja) 2006-08-30 2006-08-30 冷凍装置
PCT/JP2007/066616 WO2008026569A1 (en) 2006-08-30 2007-08-28 Refrigeration system

Publications (3)

Publication Number Publication Date
EP2058610A1 EP2058610A1 (de) 2009-05-13
EP2058610A4 EP2058610A4 (de) 2014-09-03
EP2058610B1 true EP2058610B1 (de) 2019-03-06

Family

ID=39135852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07793060.0A Active EP2058610B1 (de) 2006-08-30 2007-08-28 Kühlsystem

Country Status (9)

Country Link
US (1) US20100242522A1 (de)
EP (1) EP2058610B1 (de)
JP (1) JP4983158B2 (de)
KR (1) KR20090047505A (de)
CN (1) CN101501419B (de)
AU (1) AU2007289779B2 (de)
ES (1) ES2728955T3 (de)
TR (1) TR201907699T4 (de)
WO (1) WO2008026569A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102072599B (zh) * 2011-01-24 2013-03-27 合肥美的荣事达电冰箱有限公司 制冷设备及其过渡管
CN103542650B (zh) * 2013-11-07 2016-01-20 芜湖汉峰科技有限公司 一种储液器及其生产方法
JP2019095118A (ja) * 2017-11-21 2019-06-20 三菱重工サーマルシステムズ株式会社 冷凍機
CN109780361B (zh) * 2019-01-28 2020-10-09 大连大学 一种管路宽频流体压力脉动消减器
KR102286976B1 (ko) 2019-07-08 2021-08-05 엘지전자 주식회사 공기조화기
EP3828413B1 (de) * 2019-11-28 2023-03-22 Daikin Europe N.V. Wärmepumpe mit schalldämpfer
CN111472958B (zh) * 2020-03-16 2021-09-21 珠海格力节能环保制冷技术研究中心有限公司 消音器结构、压缩机以及具有其的冰箱

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2153695A (en) * 1933-11-14 1939-04-11 Nash Kelvinator Corp Air conditioning system
JPS5044959U (de) * 1973-08-24 1975-05-07
JPS5514021U (de) * 1978-07-12 1980-01-29
JPS6039051Y2 (ja) * 1979-04-12 1985-11-22 株式会社東芝 ストレ−ナマフラ
JPS5857672U (ja) * 1981-10-15 1983-04-19 三菱電機株式会社 冷凍装置
JPS5883067U (ja) * 1981-11-30 1983-06-04 カルソニックカンセイ株式会社 自動車用空気調和装置の消音器
JPH0610875A (ja) 1992-06-24 1994-01-21 Matsushita Refrig Co Ltd 圧縮機の消音器
JP3020362B2 (ja) * 1992-10-13 2000-03-15 松下冷機株式会社 圧縮機の消音器
JPH06273002A (ja) * 1993-03-18 1994-09-30 Toshiba Corp 冷凍サイクル
JPH06280553A (ja) * 1993-03-31 1994-10-04 Honda Motor Co Ltd 消音器
JPH07133965A (ja) * 1993-11-10 1995-05-23 Sanyo Electric Co Ltd 冷凍装置
JP3449816B2 (ja) * 1995-01-19 2003-09-22 イビデン株式会社 消音器
JPH09318197A (ja) * 1996-05-30 1997-12-12 Hitachi Ltd 冷蔵庫の冷凍サイクル
JPH11325655A (ja) * 1998-05-14 1999-11-26 Matsushita Seiko Co Ltd 消音器および空気調和機
JP2000192808A (ja) * 1998-12-25 2000-07-11 Honda Motor Co Ltd 車両用排気消音装置
US6524080B2 (en) * 2000-04-11 2003-02-25 R. K. Dewan & Co. Hermetically sealed compressors
JP2001295764A (ja) * 2000-04-14 2001-10-26 Daikin Ind Ltd 冷凍機用圧縮機
KR20020045741A (ko) * 2000-12-11 2002-06-20 윤종용 토출머플러를 갖춘 압축기
JP2004218934A (ja) 2003-01-15 2004-08-05 Mitsubishi Electric Corp 膨張形マフラー及びそれを用いた冷凍サイクル回路、並びにその製造方法
JP2005098663A (ja) * 2003-09-02 2005-04-14 Sanyo Electric Co Ltd 遷臨界冷媒サイクル装置
JP4290544B2 (ja) * 2003-12-19 2009-07-08 東芝キヤリア株式会社 空気調和機
KR20060081922A (ko) * 2005-01-11 2006-07-14 삼성전자주식회사 냉장고

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
WO2008026569A1 (en) 2008-03-06
JP4983158B2 (ja) 2012-07-25
EP2058610A1 (de) 2009-05-13
CN101501419A (zh) 2009-08-05
JP2008057829A (ja) 2008-03-13
KR20090047505A (ko) 2009-05-12
US20100242522A1 (en) 2010-09-30
EP2058610A4 (de) 2014-09-03
TR201907699T4 (tr) 2019-06-21
CN101501419B (zh) 2012-06-06
AU2007289779B2 (en) 2010-11-11
ES2728955T3 (es) 2019-10-29
AU2007289779A1 (en) 2008-03-06

Similar Documents

Publication Publication Date Title
EP2058610B1 (de) Kühlsystem
AU2007289778B2 (en) Refrigeration system
CN104379937B (zh) 密闭型压缩机和热泵装置
US10184706B2 (en) Air conditioner
JP2006183950A (ja) 冷凍装置及び冷蔵庫
JP2005241236A (ja) 空調機の室外機の配管構造
JP2008039276A (ja) 冷媒流路切換ユニット及びそれを用いた空気調和機
JP2006266636A (ja) 冷凍装置
JP4904970B2 (ja) 冷凍装置
JP3718195B2 (ja) 空気調和機用冷凍サイクル
CN105588375A (zh) 一种空调循环系统及空调器
WO2015122170A1 (ja) 空気調和機
CN217464935U (zh) 复叠式制冷系统和冰箱
KR100496918B1 (ko) 압축기
JP2016003840A (ja) 冷凍システムおよびクーリングコイル
JP2006064255A (ja) 冷蔵庫
JP2008032344A (ja) 冷凍装置
JP2006078065A (ja) 冷蔵庫
JPH08159568A (ja) 空冷式冷凍装置
KR20130083253A (ko) 소음저감을 위한 냉동사이클을 구비한 복합냉장고
KR20060097368A (ko) 냉장고

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20090306

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140806

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 9/00 20060101ALI20140731BHEP

Ipc: F25B 31/02 20060101ALI20140731BHEP

Ipc: F16L 55/02 20060101ALI20140731BHEP

Ipc: F25B 13/00 20060101ALI20140731BHEP

Ipc: F25B 41/00 20060101AFI20140731BHEP

Ipc: F04B 39/00 20060101ALI20140731BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20170221

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20181012

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ISHIKAWA, SATOSHI

Inventor name: MASUDA, MASANORI

Inventor name: HIGUCHI, MASAHIDE

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 1105093

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190315

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602007057788

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20190306

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190606

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190607

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1105093

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190306

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2728955

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20191029

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190706

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602007057788

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190706

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

26N No opposition filed

Effective date: 20191209

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190831

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190831

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190828

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190828

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20070828

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190306

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20220825

Year of fee payment: 16

Ref country code: IT

Payment date: 20220712

Year of fee payment: 16

Ref country code: GB

Payment date: 20220707

Year of fee payment: 16

Ref country code: ES

Payment date: 20220901

Year of fee payment: 16

Ref country code: DE

Payment date: 20220621

Year of fee payment: 16

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20220709

Year of fee payment: 16

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230525

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602007057788

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20230828

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230828

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230828

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230828

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230831

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240301

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20241001