CN101501420A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
CN101501420A
CN101501420A CNA2007800297783A CN200780029778A CN101501420A CN 101501420 A CN101501420 A CN 101501420A CN A2007800297783 A CNA2007800297783 A CN A2007800297783A CN 200780029778 A CN200780029778 A CN 200780029778A CN 101501420 A CN101501420 A CN 101501420A
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China
Prior art keywords
muffler
pressure fluctuation
compressor
aircondition
parts
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Granted
Application number
CNA2007800297783A
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Chinese (zh)
Other versions
CN101501420B (en
Inventor
石川谕
增田正典
樋口顺英
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Daikin Industries Ltd
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Daikin Industries Ltd
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Publication of CN101501420A publication Critical patent/CN101501420A/en
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Publication of CN101501420B publication Critical patent/CN101501420B/en
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    • 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
    • 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
    • F25B1/00—Compression machines, plants or systems with non-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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line 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
    • F25B2500/00—Problems to be solved
    • F25B2500/13—Vibrations

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

Abstract

An air conditioner in which all the pressure pulsations generated in a compressor can be reduced both in cooling operation and in heating operation and in which a muffler has commonality. The air conditioner (1) has a refrigerant circuit (7) constructed from a compressor (2) for compressing the refrigerant, an indoor heat exchanger (3), an outdoor heat exchanger (4), and a four-way switchover valve (5) that are interconnected by refrigerant piping (6). The four-way switchover valve (5) switches the flow of the refrigerant compressed by the compressor (2) to either the indoor heat exchanger (3) or the outdoor heat exchanger (4). The air conditioner (1) further has a pressure pulsation reduction component (8) disposed between the four-way switchover valve (5) and the indoor heat exchanger (3). The pressure pulsation reduction component (8) reduces pressure pulsations in the refrigerant circuit (7). The pressure pulsation is generated by the compressor (2).

Description

Aircondition
Technical field
The present invention relates to have the aircondition of the refrigerant loop that comprises compressor.
Background technology
All the time, in refrigerant loop, there are the following problems: the pressure fluctuation that is produced by compressor propagates near the indoor set indoor refrigerant piping by refrigerant piping, produces vibration and abnormal voice from indoor refrigerant piping and indoor set.Therefore, in order to suppress the propagation of pressure fluctuation to indoor refrigerant piping, patent documentation 1 discloses the aircondition that is provided with 1 muffler between compressor and cubic transfer valve.
Patent documentation 1: Japanese kokai publication hei 9-250831 communique
But, aircondition for patent documentation 1 record, (that is, under the situation of the pulsation that spues when suction pulsation when heating and refrigeration) can reduce pressure fluctuation by muffler under the situation that the pulsation that is produced by compressor is propagated towards indoor set via cubic transfer valve.But under the situation about not propagating towards indoor set via cubic transfer valve in the pulsation that produces by compressor (promptly, under the situation of the suction pulsation in spuing pulsation and when refrigeration when heating), pressure fluctuation is not via muffler, so, all can not before near the indoor refrigerant piping that arrives the indoor set, reduce all pressure fluctuations that produce by compressor by muffler in when refrigeration with under two kinds of situations when heating.
And, if 1 muffler is set respectively in the suction side of compressor and the both sides of exhaust end, the problem that then exists number of components and manufacturing cost to increase.
Summary of the invention
The object of the present invention is to provide a kind of shared aircondition that can both reduce all pressure fluctuations that produce by compressor in when refrigeration with under two kinds of situations when heating and realize muffler.
The aircondition of a first aspect of the present invention is the aircondition with refrigerant loop.Refrigerant loop is to constitute by compressor, indoor heat converter, outdoor heat converter and No. four transfer valves that refrigerant piping connects compressed refrigerant.No. four transfer valves will be switched to any one party in indoor heat converter and the outdoor heat converter by the flow direction of the cold-producing medium after the compressor compresses.Aircondition also has pressure fluctuation and reduces parts.Pressure fluctuation reduces parts and is arranged between No. four transfer valves and the indoor heat converter.Pressure fluctuation reduces parts and reduces the pulsation of refrigerant loop pressure inside.Pressure fluctuation is produced by compressor.
At this, because reducing parts, pressure fluctuation is arranged between No. four transfer valves and the indoor heat converter, so for the aircondition that between refrigerating/heating, switches, under two kinds of situations, can both before arriving indoor refrigerant piping, reduce all pressure fluctuations that produce by compressor in when refrigeration and when heating.In addition, can also sharedly be used to reduce the muffler of pressure fluctuation, thereby reduce number of components.
The aircondition of second aspect present invention is the aircondition of first aspect present invention, and wherein pressure fluctuation reduction parts are arranged in the outdoor unit.Compressor and outdoor heat converter in outdoor unit, have been taken in.
At this, because reducing parts, pressure fluctuation is arranged in the outdoor unit of having taken in compressor and outdoor heat converter, so carry out setting and the maintenance that pressure fluctuation reduces parts easily.In addition, be exactly in refrigerant loop, pressure fluctuation reduce parts also be arranged on pressure fluctuation the generation source, be near the position the compressor, so it is better to reduce the effect of pressure fluctuation.
The aircondition of third aspect present invention is the aircondition of first aspect present invention or second aspect, and wherein cold-producing medium is CO 2
At this, adopt CO 2As cold-producing medium, become big though compare pressure fluctuation with other cold-producing mediums, reduce parts by the pressure fluctuation that is arranged between No. four transfer valves and the indoor heat converter, when refrigerating/heating, can both reduce pulsation under two kinds of situations.CO 2Cold-producing medium can realize helping the product of environment because warmization coefficient ratio is less.And, CO 2The refrigerating capacity of the every unit volume of cold-producing medium is higher, so be used to obtain can miniaturization with the cylinder of other cold-producing medium same capabilities, can realize the miniaturization of compressor.
The aircondition of the aircondition of the fourth aspect present invention either side that is first aspect present invention to the third aspect, wherein to reduce parts are the containers with muffler function in pressure fluctuation.
At this, are containers because pressure fluctuation reduces parts with muffler function, so can not only reduce pressure fluctuation, can also carry out the gas-liquid separation of cold-producing medium at internal tank.
The aircondition of the aircondition of the fifth aspect present invention either side that is first aspect present invention to the fourth aspect, wherein to reduce parts are parts selecting from the group that is made of intumescent muffler, π type filter, side direction difference muffler, Helmholtz muffler and interfere type muffler in pressure fluctuation.
At this, because it is parts selecting from the group that is made of intumescent muffler, π type filter, side direction difference muffler, Helmholtz muffler and interfere type muffler that pressure fluctuation reduces parts, so can use known in the past muffler to reduce pressure fluctuation effectively.
According to the first aspect of invention, under two kinds of situations, can both before arriving indoor refrigerant piping, reduce all pressure fluctuations that produce by compressor in when refrigeration and when heating.In addition, can also sharedly be used to reduce the muffler of pressure fluctuation and reduce number of components.
According to the second aspect of invention, easily carry out setting and maintenance that pressure fluctuation reduces parts, the effect that reduces pressure fluctuation is also better.
According to the third aspect of invention, become big though compare pressure fluctuation with other cold-producing mediums, reduce parts by the pressure fluctuation that is arranged between No. four transfer valves and the indoor heat converter, when refrigerating/heating, can both reduce pulsation under two kinds of situations.CO 2Cold-producing medium can realize helping the product of environment because warmization coefficient ratio is less.And, CO 2The refrigerating capacity of the every unit volume of cold-producing medium is higher, so be used to obtain can miniaturization with the cylinder of other cold-producing medium same capabilities, can realize the miniaturization of compressor.
Fourth aspect according to invention can not only reduce pressure fluctuation, can also carry out the gas-liquid separation of cold-producing medium at internal tank.
According to the 5th aspect of invention, can use known in the past muffler to reduce pressure fluctuation effectively.
Description of drawings
Fig. 1 is the structure chart of the aircondition that relates to of embodiments of the present invention.
Fig. 2 is that the concrete example of the pressure fluctuation reduction parts of Fig. 1 is the structure chart of intumescent muffler.
Fig. 3 is that the concrete example of the pressure fluctuation reduction parts of Fig. 1 is the structure chart of π type filter.
Fig. 4 is that the concrete example of the pressure fluctuation reduction parts of Fig. 1 is the structure chart of side direction difference muffler (sidebranch muffler).
Fig. 5 is that the concrete example of the pressure fluctuation reduction parts of Fig. 1 is the structure chart of Helmholtz (Helmholtz) muffler.
Fig. 6 is that the concrete example of the pressure fluctuation reduction parts of Fig. 1 is the structure chart of interfere type muffler.
Label declaration
1, aircondition; 2, compressor; 3, indoor heat converter; 4, outdoor heat converter; 5, No. four transfer valves; 6, refrigerant piping; 7, refrigerant loop; 8, pressure fluctuation reduces parts; 9, outdoor unit
The specific embodiment
Aircondition 1 shown in Figure 1 can carry out cooling operation and heat turning round the two, have by refrigerant piping 6 and connect the refrigerant loop 7 that constitutes with lower member, that is, the compressor 2 of compressed refrigerant CO2, indoor heat converter 3, outdoor heat converter 4, will switch to No. four transfer valves 5 and the electromagnetic expanding valve 10 of any one party in indoor heat converter 3 and the outdoor heat converter 4 by the flow direction of the cold-producing medium after compressor 2 compressions.Aircondition 1 also has pressure fluctuation and reduces parts 8, and this pressure fluctuation reduces parts 8 and reduces the refrigerant loop 7 pressure inside pulsation that is produced by compressor 2.
Pressure fluctuation reduces parts 8 and is arranged between No. four transfer valves 5 and the indoor heat converter 3.Therefore, for the aircondition 1 that between refrigerating/heating, switches,, can both reduce all pressure fluctuations that produce by compressor in when refrigeration with under two kinds of situations when heating.In addition, can also sharedly be used to reduce the muffler of pressure fluctuation and reduce number of components.
Pressure fluctuation reduces parts 8 and is arranged in the outdoor unit 9 of having taken in compressor 2 and outdoor heat converter 4.
Aircondition 1 adopts CO 2As cold-producing medium.Though CO 2The pressure fluctuation of cold-producing medium is bigger than the pressure fluctuation of other cold-producing mediums, but reduces parts 8 by the pressure fluctuation that is arranged between No. four transfer valves 5 and the indoor heat converter 3, the pulsation in the time of reducing refrigerating/heating under two kinds of situations.
Particularly, pressure fluctuation reduction parts 8 are parts selecting from the group that is made of intumescent muffler, π type filter, side direction difference muffler, Helmholtz muffler and interfere type muffler.
As shown in Figure 2, the intumescent muffler 21 straight sections 21b that has bulge 21a and be connected with the both sides of this bulge 21a.The sectional area S2 of bulge 21a is bigger than the sectional area S1 of straight sections 21b.
The length of bulge 21a is made as L1, and the loss TL value that sees through of this intumescent muffler 21 is
TL=10 * log (1+1/4 * (m-1/m) 2* sin 2(k * L1)) (formula 1)
At this, m=S2/S1, k=2 π f/c, c is a velocity of sound.
As shown in Figure 3, π type filter 22 has the 1st bulge 22a, the 2nd bulge 22b, the 22c of tube connector portion, the 1st straight sections 22d and the 2nd straight sections 22e.The 22c of tube connector portion connects the 1st bulge 22a and the 2nd bulge 22b.The 1st straight sections 22d is connected with the opposite side with respect to the 22c of tube connector portion of the 1st bulge 22a.The 2nd straight sections 22e is connected with the opposite side with respect to the 22c of tube connector portion of the 2nd bulge 22b.The 1st bulge 22a and the 2nd bulge 22b sectional area ratio tube connector 22c of portion, the 1st straight sections 22d and the 2nd straight sections 22e sectional area S3, S4 separately separately wants big.
This π type filter 22 to see through loss TL value as follows.(wherein, the length of the 22c of tube connector portion is made as L2, and the volume of the 1st bulge 22a is made as V1, and the volume of the 2nd bulge 22b is made as V2, and the sectional area of the 1st straight sections 22d and the 2nd straight sections 22e is made as S3 respectively, and the sectional area of the 22c of tube connector portion is made as S4.)
TL=10 * log (σ 2) (formula 2)
At this, σ=V 2* ω 3* L2/ (S3 * S4 * c 3), c is a velocity of sound.
As shown in Figure 4, side direction difference muffler 23 has branching portion 23a and straight sections 23b.Branching portion 23a is branched off into the right angle from straight sections 23b.
The frequency f of this side direction difference muffler 23 is as follows.
F=c/ (4 * L3) (formulas 3)
At this, L3 is the length of branching portion 23a, and c is a velocity of sound.
As shown in Figure 5, Helmholtz muffler 24 has bulge 24a, the 24b of tube connector portion and straight sections 24c.The 24b of tube connector portion is branched off into the right angle from straight sections 24c.The 24b of tube connector portion connects bulge 24a and straight sections 24c.Sectional area ratio tube connector 24b of portion and the straight sections 24c sectional area separately of bulge 24a are big.
The frequency f of this Helmholtz muffler 24 is as follows.
Figure A200780029778D00071
(formula 4)
At this, V3 is the volume of bulge 24a, and S5 is the sectional area of the 24b of tube connector portion, and L4 is the length of the 24b of tube connector portion, and c is a velocity of sound.
As shown in Figure 6, interfere type muffler 25 has 25a of curved tube portion and the straight sections 25b that extends into arcuation.The two ends of the 25a of curved tube portion are connected with straight sections 25b.
The half wavelength lambda of this interfere type muffler 25/2 are following relation.
λ/2=L5-L6 (formula 5)
At this, L5 is the pipeline length of the 25a of curved tube portion, and L6 is the pipeline length of straight sections 25b.
(feature)
(1)
In the aircondition 1 of embodiment, reduce parts 8 owing between No. four transfer valves 5 and indoor heat converter 3, be provided with pressure fluctuation, so for the aircondition 1 that between refrigerating/heating, switches, in when refrigeration with under two kinds of situations when heating, can both before arriving indoor refrigerant piping, reduce all pressure fluctuations that produce by compressor 2.In addition, can also sharedly be used to reduce the muffler of pressure fluctuation and reduce number of components.
Particularly, for ceiling the indoor set and the room conditioning of type are set, the length of refrigerant piping is shorter, exists because indoor refrigerant piping vibrates the tendency that is easy to generate noise, in this case, the air-conditioning 1 of embodiment also can reduce pressure fluctuation effectively.
(2)
In the aircondition 1 of embodiment, because reducing parts 8, pressure fluctuation is arranged in the outdoor unit 9 of having taken in compressor 2 and outdoor heat converter 4, so carry out setting and the maintenance that pressure fluctuation reduces parts 8 easily.In addition, be exactly in refrigerant loop 7, it is near the compressor 2 position that pressure fluctuation reduces generation source that parts 8 also are arranged on pressure fluctuation, so it is better to reduce the effect of pressure fluctuation.
(3)
In the aircondition 1 of embodiment, adopt CO 2As cold-producing medium, though to compare pressure fluctuation bigger with other cold-producing mediums, reduce parts 8, the pulsation in the time that refrigerating/heating can being reduced under two kinds of situations by the pressure fluctuation that is arranged between No. four transfer valves 5 and the indoor heat converter 3.CO 2The warmization coefficient ratio of cold-producing medium is less, can realize helping the product of environment.And, CO 2The refrigerating capacity of the every unit volume of cold-producing medium is higher, so be used to obtain can miniaturization with the cylinder of other cold-producing medium same capabilities, can realize the miniaturization of compressor.
(4)
In the aircondition 1 of embodiment, it is parts selecting from the group that is made of intumescent muffler, π type filter, side direction difference muffler, Helmholtz muffler and interfere type muffler that pressure fluctuation reduces parts 8, so can use these existing known mufflers to reduce pressure fluctuation effectively.
(variation)
It can also be the parts that have muffler other functions in addition concurrently that pressure fluctuation reduces parts 8, for example can be the container with muffler function.In this case, pressure fluctuation can not only be reduced, the gas-liquid separation of cold-producing medium can also be carried out at internal tank.
In addition, the container with muffler function also can be parts of selecting from the group that is made of intumescent muffler, π type filter, side direction difference muffler, Helmholtz muffler and interfere type muffler.
(utilizing on the industry possibility)
The present invention can be widely used in the aircondition with the refrigerant loop that comprises compressor.

Claims (5)

1. an aircondition (1), this aircondition has refrigerant loop (7), refrigerant loop (7) connects compressor (2), indoor heat converter (3), outdoor heat converter (4) and No. four transfer valves (5) by refrigerant piping (6) and constitutes, compressor (2) compressed refrigerant, the flow direction of the cold-producing medium after No. four transfer valves (5) compress described compressor (2) switches to any one party in described indoor heat converter (3) and the described outdoor heat converter (4)
This aircondition (1) has pressure fluctuation and reduces parts (8), this pressure fluctuation reduces parts and is arranged between described No. four transfer valves (5) and the described indoor heat converter (3), reduces described refrigerant loop (7) the pressure inside pulsation that is produced by described compressor (2).
2. aircondition according to claim 1 (1), wherein, described pressure fluctuation reduces parts (8) and is arranged in the outdoor unit (9) of having taken in described compressor (2) and described outdoor heat converter (4).
3. aircondition according to claim 1 and 2 (1), wherein, described cold-producing medium is CO 2
4. according to each described aircondition (1) of claim 1 to 3, wherein, it is the container with muffler function that described pressure fluctuation reduces parts (8).
5. according to each described aircondition (1) of claim 1 to 4, wherein, described pressure fluctuation reduction parts (8) are parts of selecting from the group that is made of intumescent muffler, π type filter, side direction difference muffler, Helmholtz muffler and interfere type muffler.
CN2007800297783A 2006-08-11 2007-08-08 Air conditioner Active CN101501420B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP219596/2006 2006-08-11
JP2006219596A JP2008045778A (en) 2006-08-11 2006-08-11 Air conditioner
PCT/JP2007/065492 WO2008018489A1 (en) 2006-08-11 2007-08-08 Air conditioner

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CN101501420A true CN101501420A (en) 2009-08-05
CN101501420B CN101501420B (en) 2011-03-16

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US (1) US20100175409A1 (en)
EP (1) EP2058609A1 (en)
JP (1) JP2008045778A (en)
KR (1) KR20090034944A (en)
CN (1) CN101501420B (en)
AU (1) AU2007282504B2 (en)
WO (1) WO2008018489A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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CN105605821A (en) * 2016-01-25 2016-05-25 铁道第三勘察设计院集团有限公司 Carbon dioxide direct extension air conditioning device
CN106795981A (en) * 2014-10-08 2017-05-31 三菱电机株式会社 Expansion valve and the refrigerating circulatory device using expansion valve
CN111295556A (en) * 2017-11-08 2020-06-16 三菱重工制冷空调系统株式会社 Refrigerating machine
CN111344525A (en) * 2017-11-21 2020-06-26 三菱重工制冷空调系统株式会社 Refrigerating machine

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110000243A1 (en) * 2008-03-06 2011-01-06 Carrier Corporation Split discharge line with integrated muffler for a compressor
JP2009281620A (en) * 2008-05-20 2009-12-03 Sanden Corp Refrigerating circuit
KR101461623B1 (en) * 2013-08-12 2014-11-20 (주)한엑스 A refrigerating cycle device with a pulsation damper
WO2015029206A1 (en) * 2013-08-30 2015-03-05 三菱電機株式会社 Refrigeration cycle apparatus
CZ308291B6 (en) * 2014-04-10 2020-04-22 Hanon Systems Damping device and producing it
US20160312773A1 (en) * 2015-04-22 2016-10-27 Trane International Inc. Refrigerant Line Muffler
JP2018119776A (en) * 2017-01-27 2018-08-02 三菱重工サーマルシステムズ株式会社 Refrigeration machine
US11073145B2 (en) 2018-01-31 2021-07-27 Trane International Inc. Pressure pulsation traps
EP3828482A1 (en) 2019-11-28 2021-06-02 Daikin Europe N.V. Heat pump with a muffler
EP3828413B1 (en) 2019-11-28 2023-03-22 Daikin Europe N.V. Heat pump comprising a muffler
CN110940136B (en) * 2019-12-10 2020-11-24 珠海格力电器股份有限公司 Refrigerator refrigerating system and defrosting control method thereof
DE102020100445A1 (en) * 2020-01-10 2021-07-15 Viessmann Werke Gmbh & Co Kg Thermal device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5596879A (en) * 1994-10-04 1997-01-28 Carrier Corporation Method for determining optimum placement of refrigerant line muffler
JPH09250831A (en) 1996-03-19 1997-09-22 Fujitsu General Ltd Refrigerating cycle
JP3238354B2 (en) * 1997-07-02 2001-12-10 三菱重工業株式会社 Silencer for gas-liquid separator
JPH11325655A (en) * 1998-05-14 1999-11-26 Matsushita Seiko Co Ltd Silencer and air conditioner
JP2001304721A (en) * 2000-04-14 2001-10-31 Mitsubishi Electric Corp Air conditioner
JP4078812B2 (en) * 2000-04-26 2008-04-23 株式会社デンソー Refrigeration cycle equipment
CN1408990B (en) * 2002-09-08 2012-04-25 章国标 Silencer
JP2005098663A (en) * 2003-09-02 2005-04-14 Sanyo Electric Co Ltd Transient critical refrigerant cycle device
KR20050026595A (en) * 2003-09-09 2005-03-15 삼성전자주식회사 Air conditioner
JP4290544B2 (en) * 2003-12-19 2009-07-08 東芝キヤリア株式会社 Air conditioner
KR100624815B1 (en) * 2004-08-17 2006-09-20 엘지전자 주식회사 Exhaust gas heat exchanger for cogeneration system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106795981A (en) * 2014-10-08 2017-05-31 三菱电机株式会社 Expansion valve and the refrigerating circulatory device using expansion valve
CN105605821A (en) * 2016-01-25 2016-05-25 铁道第三勘察设计院集团有限公司 Carbon dioxide direct extension air conditioning device
CN111295556A (en) * 2017-11-08 2020-06-16 三菱重工制冷空调系统株式会社 Refrigerating machine
US11536499B2 (en) 2017-11-08 2022-12-27 Mitsubishi Heavy Industries Thermal Systems, Ltd. Refrigeration machine
CN111344525A (en) * 2017-11-21 2020-06-26 三菱重工制冷空调系统株式会社 Refrigerating machine

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WO2008018489A1 (en) 2008-02-14
AU2007282504A1 (en) 2008-02-14
AU2007282504B2 (en) 2010-08-05
US20100175409A1 (en) 2010-07-15
JP2008045778A (en) 2008-02-28
CN101501420B (en) 2011-03-16
EP2058609A1 (en) 2009-05-13
KR20090034944A (en) 2009-04-08

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