KR100952037B1 - 냉동장치 - Google Patents
냉동장치 Download PDFInfo
- Publication number
- KR100952037B1 KR100952037B1 KR1020087014118A KR20087014118A KR100952037B1 KR 100952037 B1 KR100952037 B1 KR 100952037B1 KR 1020087014118 A KR1020087014118 A KR 1020087014118A KR 20087014118 A KR20087014118 A KR 20087014118A KR 100952037 B1 KR100952037 B1 KR 100952037B1
- Authority
- KR
- South Korea
- Prior art keywords
- oil
- refrigerant
- stage compressor
- high stage
- compressor
- 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.)
- Expired - Fee Related
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 152
- 238000005057 refrigeration Methods 0.000 claims abstract description 75
- 238000000926 separation method Methods 0.000 claims abstract description 69
- 239000003921 oil Substances 0.000 claims description 239
- 239000007788 liquid Substances 0.000 claims description 74
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 238000011084 recovery Methods 0.000 claims description 18
- 239000010726 refrigerant oil Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims 4
- 238000010438 heat treatment Methods 0.000 description 11
- 230000004048 modification Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 239000002826 coolant Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
-
- 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
- F25B31/002—Lubrication
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/23—Separators
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2507—Flow-diverting valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
Description
Claims (5)
- 저단측 압축기와 고단측 압축기와 중간압 냉매의 기액분리기를 구비하며 2단압축 2단팽창 냉동주기를 행하는 냉매회로를 구비하는 냉동장치에 있어서,상기 냉매회로에는, 상기 저단측 압축기의 토출냉매 중으로부터 분리된 냉동기유를 이 저단측 압축기의 흡입측으로 회송하는 저단측 오일분리수단과, 상기 고단측 압축기의 토출냉매 중으로부터 분리된 냉동기유를 이 고단측 압축기의 흡입측으로 회송하는 고단측 오일분리수단이 설치되며,상기 저단측 오일분리수단은, 그 오일분리율이 상기 고단측 오일분리수단의 오일분리율보다 낮게 설정되는 것을 특징으로 하는 냉동장치.
- 청구항 1에 있어서,상기 고단측 오일분리수단은, 상기 고단측 압축기의 토출측에 직렬로 접속되는 복수의 오일분리기를 구비하며,상기 저단측 오일분리수단은, 상기 저단측 압축기의 토출측에 접속됨과 더불어, 상기 고단측 압축기의 오일분리기보다 적은 수의 오일분리기를 구비하는 것을 특징으로 하는 냉동장치.
- 청구항 1에 있어서,상기 고단측 압축기의 케이싱 내부에는 냉동기유의 오일팬이 형성되는 한편,상기 냉매회로에는, 일단이 상기 오일팬의 소정높이 위치에서 개구하도록 고단측 압축기의 케이싱에 접속되며, 타단이 저단측 압축기의 흡입측에 접속된 오일회수관이 설치되는 것을 특징으로 하는 냉동장치.
- 청구항 1에 있어서,상기 고단측 압축기의 케이싱 내부에는 냉동기유의 오일팬이 형성되는 한편,상기 냉매회로에는, 일단이 상기 오일팬의 소정높이 위치에서 개구되도록 고단측 압축기의 케이싱에 접속되며, 타단이 상기 기액분리기의 액냉매 유출측에 접속된 오일회수관이 설치되는 것을 특징으로 하는 냉동장치.
- 청구항 4에 있어서,상기 냉매회로는, 상기 저단측 압축기 및 실외열교환기를 구비하는 실외유닛과, 실내열교환기를 구비하는 실내유닛과, 상기 고단측 압축기, 기액분리기, 및 오일회수관을 구비하는 옵션유닛을 서로 배관으로 접속함으로써 구성되는 것을 특징으로 하는 냉동장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2005-00345519 | 2005-11-30 | ||
JP2005345519A JP4640142B2 (ja) | 2005-11-30 | 2005-11-30 | 冷凍装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080068120A KR20080068120A (ko) | 2008-07-22 |
KR100952037B1 true KR100952037B1 (ko) | 2010-04-07 |
Family
ID=38092131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020087014118A Expired - Fee Related KR100952037B1 (ko) | 2005-11-30 | 2006-11-27 | 냉동장치 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7918106B2 (ko) |
EP (1) | EP1956319A1 (ko) |
JP (1) | JP4640142B2 (ko) |
KR (1) | KR100952037B1 (ko) |
CN (1) | CN101313184B (ko) |
AU (1) | AU2006320054B2 (ko) |
WO (1) | WO2007063798A1 (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009210248A (ja) * | 2008-02-06 | 2009-09-17 | Daikin Ind Ltd | 冷凍装置 |
EP2088388B1 (en) * | 2008-02-06 | 2019-10-02 | STIEBEL ELTRON GmbH & Co. KG | Heat pump system |
US8011191B2 (en) | 2009-09-30 | 2011-09-06 | Thermo Fisher Scientific (Asheville) Llc | Refrigeration system having a variable speed compressor |
US9146046B2 (en) * | 2010-07-28 | 2015-09-29 | Lg Electronics Inc. | Refrigerator and driving method thereof |
KR101688152B1 (ko) * | 2010-07-28 | 2016-12-20 | 엘지전자 주식회사 | 냉장고 |
EP2532991B1 (en) | 2011-06-08 | 2019-10-30 | LG Electronics Inc. | Refrigerating cycle apparatus and method for operating the same |
DE102013203268A1 (de) * | 2013-02-27 | 2014-08-28 | Bitzer Kühlmaschinenbau Gmbh | Kältemittelverdichteranlage |
US10309704B2 (en) | 2013-11-25 | 2019-06-04 | The Coca-Cola Company | Compressor with an oil separator between compressing stages |
US9976785B2 (en) * | 2014-05-15 | 2018-05-22 | Lennox Industries Inc. | Liquid line charge compensator |
US10330358B2 (en) | 2014-05-15 | 2019-06-25 | Lennox Industries Inc. | System for refrigerant pressure relief in HVAC systems |
KR101599537B1 (ko) * | 2014-07-24 | 2016-03-14 | 엘지전자 주식회사 | 냉장시스템 |
US10663199B2 (en) | 2018-04-19 | 2020-05-26 | Lennox Industries Inc. | Method and apparatus for common manifold charge compensator |
US10830514B2 (en) | 2018-06-21 | 2020-11-10 | Lennox Industries Inc. | Method and apparatus for charge compensator reheat valve |
CN109373657B (zh) * | 2018-11-19 | 2023-05-23 | 珠海格力节能环保制冷技术研究中心有限公司 | 空调系统及其控制方法 |
CN111256388B (zh) * | 2018-11-30 | 2021-10-19 | 广东美芝精密制造有限公司 | 制冷系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001056157A (ja) | 1999-08-16 | 2001-02-27 | Daikin Ind Ltd | 冷凍装置 |
JP2001349629A (ja) | 2000-06-07 | 2001-12-21 | Daikin Ind Ltd | ヒートポンプ装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3719057A (en) * | 1971-10-08 | 1973-03-06 | Vilter Manufacturing Corp | Two-stage refrigeration system having crankcase pressure regulation in high stage compressor |
JPS609436Y2 (ja) * | 1976-05-15 | 1985-04-03 | 株式会社ボッシュオートモーティブ システム | 可動ベ−ン型回転圧縮機 |
JP2510400Y2 (ja) | 1990-11-14 | 1996-09-11 | 三菱重工業株式会社 | 多段式ガス圧縮ユニット |
KR100343638B1 (ko) * | 1994-06-29 | 2002-12-28 | 다이킨 고교 가부시키가이샤 | 냉동장치 |
US5634345A (en) * | 1995-06-06 | 1997-06-03 | Alsenz; Richard H. | Oil monitoring system |
JP4441965B2 (ja) | 1999-06-11 | 2010-03-31 | ダイキン工業株式会社 | 空気調和装置 |
JP2001324235A (ja) * | 2000-05-19 | 2001-11-22 | Fujitsu General Ltd | 空気調和機 |
CN1186576C (zh) * | 2000-12-08 | 2005-01-26 | 大金工业株式会社 | 冷冻装置 |
JP4641683B2 (ja) * | 2001-09-04 | 2011-03-02 | 三洋電機株式会社 | 冷凍サイクル装置 |
TWI301188B (en) * | 2002-08-30 | 2008-09-21 | Sanyo Electric Co | Refrigeant cycling device and compressor using the same |
JP3896472B2 (ja) * | 2002-09-04 | 2007-03-22 | 株式会社日立製作所 | 冷凍装置 |
KR100564444B1 (ko) * | 2003-10-20 | 2006-03-29 | 엘지전자 주식회사 | 에어컨의 액 냉매 누적 방지 장치 및 방법 |
FR2864212A1 (fr) * | 2003-12-19 | 2005-06-24 | Armines Ass Pour La Rech Et Le | Systeme thermodynamique a evaporation etagee et a sous refroidissement renforce adapte a des melanges a grand glissement de temperature |
KR100642709B1 (ko) * | 2004-03-19 | 2006-11-10 | 산요덴키가부시키가이샤 | 냉동 장치 |
-
2005
- 2005-11-30 JP JP2005345519A patent/JP4640142B2/ja not_active Expired - Fee Related
-
2006
- 2006-11-27 AU AU2006320054A patent/AU2006320054B2/en not_active Ceased
- 2006-11-27 WO PCT/JP2006/323576 patent/WO2007063798A1/ja active Application Filing
- 2006-11-27 US US12/084,938 patent/US7918106B2/en not_active Expired - Fee Related
- 2006-11-27 EP EP06833380A patent/EP1956319A1/en not_active Withdrawn
- 2006-11-27 CN CN2006800436141A patent/CN101313184B/zh not_active Expired - Fee Related
- 2006-11-27 KR KR1020087014118A patent/KR100952037B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001056157A (ja) | 1999-08-16 | 2001-02-27 | Daikin Ind Ltd | 冷凍装置 |
JP2001349629A (ja) | 2000-06-07 | 2001-12-21 | Daikin Ind Ltd | ヒートポンプ装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101313184B (zh) | 2010-09-29 |
WO2007063798A1 (ja) | 2007-06-07 |
JP4640142B2 (ja) | 2011-03-02 |
KR20080068120A (ko) | 2008-07-22 |
EP1956319A1 (en) | 2008-08-13 |
AU2006320054A1 (en) | 2007-06-07 |
US7918106B2 (en) | 2011-04-05 |
US20090229300A1 (en) | 2009-09-17 |
CN101313184A (zh) | 2008-11-26 |
JP2007147212A (ja) | 2007-06-14 |
AU2006320054B2 (en) | 2009-12-03 |
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