JP4111921B2 - エコノマイザポートを通しての気液冷媒の注入 - Google Patents
エコノマイザポートを通しての気液冷媒の注入 Download PDFInfo
- Publication number
- JP4111921B2 JP4111921B2 JP2003582481A JP2003582481A JP4111921B2 JP 4111921 B2 JP4111921 B2 JP 4111921B2 JP 2003582481 A JP2003582481 A JP 2003582481A JP 2003582481 A JP2003582481 A JP 2003582481A JP 4111921 B2 JP4111921 B2 JP 4111921B2
- Authority
- JP
- Japan
- Prior art keywords
- economizer
- line
- branch
- liquid
- valve
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- 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
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/026—Compressor control by controlling unloaders
- F25B2600/0261—Compressor control by controlling unloaders external to the compressor
-
- 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
- F25B2600/2509—Economiser valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Description
Claims (10)
- 吸入ライン、吐出ライン、および、吸入圧と吐出圧との中間の圧力の中間圧圧縮チャンバを有する圧縮機と、
前記圧縮機の吐出ラインと連通したコンデンサと、
エコノマイザ熱交換器と、前記コンデンサの出口から流体を分流するエコノマイザ分岐と、
を備え、
前記エコノマイザ熱交換器において前記コンデンサの主出口ラインと前記エコノマイザ分岐との間で熱交換されるように、前記分岐は、前記エコノマイザ熱交換器の上流のエコノマイザ膨張バルブを通過し、
前記主流ラインは主膨張装置を通過して蒸発器に至り、
前記エコノマイザ流はエコノマイザバルブを通過して、エコノマイザ流体を前記中間圧圧縮チャンバに戻すようにエコノマイザ帰還ラインおよび注入ポートに流入し、
さらに、
液体冷媒を分流し前記エコノマイザポートを経て前記圧縮チャンバに注入する液体分岐ラインを備えてなる冷凍サイクル。 - 前記圧縮機はスクロール圧縮機であって、前記中間圧圧縮チャンバと連通する一対のエコノマイザ注入ポートが離間して設けられている請求項1に記載の冷凍サイクル。
- 前記エコノマイザ帰還ラインと前記吸入ラインとを結ぶラインにアンローダバルブが設けられているとともに、このアンローダバルブを選択的に開放するコントローラを有する請求項1に記載の冷媒サイクル。
- 前記分岐ラインを前記エコノマイザ帰還ラインに結ぶラインに、別の液体注入バルブが含まれ、該液体注入バルブは、前記アンローダバルブが開放されたときに開放されるように制御される請求項1に記載の冷凍サイクル。
- 前記エコノマイザバルブと前記液体注入バルブは両方ともに同時に開放される請求項4に記載の冷凍サイクル。
- 前記液体分岐ラインは、前記エコノマイザ分岐と前記コンデンサ吐出ラインとの中間位置で分流される請求項1に記載の冷凍サイクル。
- 前記液体分岐は前記主出口ラインにあって前記エコノマイザ熱交換器と前記主膨張装置との中間位置にある請求項1に記載の冷凍サイクル。
- 前記液体分岐ラインは前記エコノマイザ分岐により設けられており、追加的な液体を前記エコノマイザ帰還ラインに注入すべく前記エコノマイザ膨張バルブが制御される請求項1に記載の冷凍サイクル。
- 前記液体分岐ラインの分岐は、前記エコノマイザ熱交換器と前記コンデンサとの中間位置に位置し、この分岐が流体を膨張装置へと分流し、かつ前記中間圧圧縮チャンバへ流入する前に追加のバルブを通過することを特徴とする請求項1に記載の冷凍サイクル。
- 前記液体分岐ラインは、前記エコノマイザポートを通して、液体冷媒を前記中間圧圧縮チャンバへ直接に注入することを特徴とする請求項1に記載の冷凍サイクル。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/115,622 US6571576B1 (en) | 2002-04-04 | 2002-04-04 | Injection of liquid and vapor refrigerant through economizer ports |
PCT/US2003/008349 WO2003085335A1 (en) | 2002-04-04 | 2003-03-19 | Injection of liquid and vapor refrigerant through economizer ports |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005521854A JP2005521854A (ja) | 2005-07-21 |
JP4111921B2 true JP4111921B2 (ja) | 2008-07-02 |
Family
ID=22362495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003582481A Expired - Fee Related JP4111921B2 (ja) | 2002-04-04 | 2003-03-19 | エコノマイザポートを通しての気液冷媒の注入 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6571576B1 (ja) |
EP (1) | EP1492986B1 (ja) |
JP (1) | JP4111921B2 (ja) |
CN (1) | CN100338408C (ja) |
DE (1) | DE60317491T2 (ja) |
HK (1) | HK1081259A1 (ja) |
WO (1) | WO2003085335A1 (ja) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1764810A (zh) * | 2003-02-28 | 2006-04-26 | Vai控股公司 | 具有集成旁通系统的制冷系统 |
US6955059B2 (en) * | 2003-03-14 | 2005-10-18 | Carrier Corporation | Vapor compression system |
DE04252372T1 (de) * | 2003-07-18 | 2005-06-23 | Star Refrigeration Ltd., Glasgow | Verbesserte überkritische Kältekreislaufanlage |
JP4140488B2 (ja) * | 2003-09-09 | 2008-08-27 | ダイキン工業株式会社 | スクリュー圧縮機および冷凍装置 |
US6883341B1 (en) * | 2003-11-10 | 2005-04-26 | Carrier Corporation | Compressor with unloader valve between economizer line and evaporator inlet |
JP4403300B2 (ja) * | 2004-03-30 | 2010-01-27 | 日立アプライアンス株式会社 | 冷凍装置 |
US7997091B2 (en) * | 2004-04-22 | 2011-08-16 | Carrier Corporation | Control scheme for multiple operating parameters in economized refrigerant system |
US20060012978A1 (en) | 2004-05-14 | 2006-01-19 | Allsop James D | Offset solar-powered outdoor lighting apparatus |
US7089848B2 (en) * | 2004-12-22 | 2006-08-15 | Numatics, Incorporated | Non-rotating double acting piston and cylinder assembly |
US9545300B2 (en) | 2004-12-22 | 2017-01-17 | W. L. Gore & Associates, Inc. | Filament-wound implantable devices |
CN1865812A (zh) * | 2005-05-19 | 2006-11-22 | 量子能技术股份有限公司 | 热泵系统与加热流体的方法 |
CN101443600B (zh) | 2005-05-31 | 2010-11-03 | 开利公司 | 制冷剂系统及其运行制冷剂系统的方法 |
US7204099B2 (en) * | 2005-06-13 | 2007-04-17 | Carrier Corporation | Refrigerant system with vapor injection and liquid injection through separate passages |
US7854136B2 (en) * | 2005-08-09 | 2010-12-21 | Carrier Corporation | Automated drive for fan and refrigerant system |
US8037710B2 (en) * | 2005-08-22 | 2011-10-18 | Emerson Climate Technologies, Inc. | Compressor with vapor injection system |
CA2626331A1 (en) * | 2005-10-18 | 2007-04-26 | Carrier Corporation | Economized refrigerant vapor compression system for water heating |
US8069683B2 (en) * | 2006-01-27 | 2011-12-06 | Carrier Corporation | Refrigerant system unloading by-pass into evaporator inlet |
US20070251256A1 (en) * | 2006-03-20 | 2007-11-01 | Pham Hung M | Flash tank design and control for heat pumps |
EP2064496B1 (en) * | 2006-09-18 | 2018-04-25 | Carrier Corporation | Refrigerant system with expansion device bypass |
US7647790B2 (en) * | 2006-10-02 | 2010-01-19 | Emerson Climate Technologies, Inc. | Injection system and method for refrigeration system compressor |
US8769982B2 (en) * | 2006-10-02 | 2014-07-08 | Emerson Climate Technologies, Inc. | Injection system and method for refrigeration system compressor |
US8181478B2 (en) * | 2006-10-02 | 2012-05-22 | Emerson Climate Technologies, Inc. | Refrigeration system |
US8528359B2 (en) * | 2006-10-27 | 2013-09-10 | Carrier Corporation | Economized refrigeration cycle with expander |
US7674098B2 (en) * | 2006-11-07 | 2010-03-09 | Scroll Technologies | Scroll compressor with vapor injection and unloader port |
CN101668998B (zh) * | 2007-02-02 | 2012-10-03 | 开利公司 | 增强式制冷系统 |
WO2008096445A1 (ja) * | 2007-02-09 | 2008-08-14 | Mitsubishi Heavy Industries, Ltd. | スクロール圧縮機および空気調和機 |
EP2153139A4 (en) * | 2007-05-23 | 2012-10-10 | Carrier Corp | REFRIGERANT INJECTION OVER THE CRITICAL POINT IN A TRANSCRITICAL REFRIGERANT SYSTEM |
US7997092B2 (en) * | 2007-09-26 | 2011-08-16 | Carrier Corporation | Refrigerant vapor compression system operating at or near zero load |
WO2009050178A2 (en) * | 2007-10-17 | 2009-04-23 | Shell Internationale Research Maatschappij B.V. | Methods and apparatuses for cooling and/or liquefying a hydrocarbon stream |
US9353765B2 (en) | 2008-02-20 | 2016-05-31 | Trane International Inc. | Centrifugal compressor assembly and method |
US7856834B2 (en) | 2008-02-20 | 2010-12-28 | Trane International Inc. | Centrifugal compressor assembly and method |
US8037713B2 (en) | 2008-02-20 | 2011-10-18 | Trane International, Inc. | Centrifugal compressor assembly and method |
US7975506B2 (en) | 2008-02-20 | 2011-07-12 | Trane International, Inc. | Coaxial economizer assembly and method |
US8303278B2 (en) * | 2008-07-08 | 2012-11-06 | Tecumseh Products Company | Scroll compressor utilizing liquid or vapor injection |
EP2326841B1 (en) * | 2008-09-26 | 2019-10-30 | Carrier Corporation | Compressor discharge control on a transport refrigeration system |
US8539785B2 (en) | 2009-02-18 | 2013-09-24 | Emerson Climate Technologies, Inc. | Condensing unit having fluid injection |
KR101280381B1 (ko) * | 2009-11-18 | 2013-07-01 | 엘지전자 주식회사 | 히트 펌프 |
EP2513575B1 (en) | 2009-12-18 | 2021-01-27 | Carrier Corporation | Transport refrigeration system and methods for same to address dynamic conditions |
CN101922823A (zh) * | 2010-09-02 | 2010-12-22 | 广州德能热源设备有限公司 | 二次喷气高效超低温热泵机组 |
US9383127B2 (en) * | 2010-10-22 | 2016-07-05 | Tai-Her Yang | Temperature regulation system with active jetting type refrigerant supply and regulation |
KR101252173B1 (ko) * | 2010-11-23 | 2013-04-05 | 엘지전자 주식회사 | 히트 펌프 및 그 제어방법 |
EP2920469A2 (en) * | 2012-09-27 | 2015-09-23 | Vilter Manufacturing Llc | Apparatus and method for enhancing compressor efficiency |
US9970667B2 (en) * | 2013-07-26 | 2018-05-15 | Whirlpool Corporation | Air conditioning systems with multiple temperature zones from independent ducting systems and a single outdoor unit |
CN103557646B (zh) * | 2013-09-30 | 2015-11-18 | 广东美芝制冷设备有限公司 | 制冷系统和制热系统 |
ITVI20130257A1 (it) * | 2013-10-18 | 2015-04-19 | Carel Ind Spa | Metodo di azionamento di una macchina frigorifera dotata di apparato economizzatore |
KR102240070B1 (ko) * | 2014-03-20 | 2021-04-13 | 엘지전자 주식회사 | 공기조화기 및 그 제어방법 |
US9850903B2 (en) | 2014-12-09 | 2017-12-26 | Emerson Climate Technologies, Inc. | Capacity modulated scroll compressor |
JP6414791B2 (ja) * | 2017-06-29 | 2018-10-31 | パナソニックIpマネジメント株式会社 | 冷凍機 |
JP6735929B2 (ja) * | 2017-10-06 | 2020-08-05 | 三菱電機株式会社 | 冷凍サイクル装置 |
US10895259B2 (en) | 2018-04-20 | 2021-01-19 | Trane International Inc. | Screw compressor having synchronized economizer ports |
CN110925940B (zh) * | 2019-11-08 | 2020-11-13 | 珠海格力电器股份有限公司 | 一种双级压缩补气空调系统的补气控制方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3674966D1 (de) * | 1985-08-10 | 1990-11-22 | Sanden Corp | Spiralverdichter mit einrichtung zur verdraengungsregelung. |
US5095712A (en) * | 1991-05-03 | 1992-03-17 | Carrier Corporation | Economizer control with variable capacity |
US6032472A (en) * | 1995-12-06 | 2000-03-07 | Carrier Corporation | Motor cooling in a refrigeration system |
US6041605A (en) * | 1998-05-15 | 2000-03-28 | Carrier Corporation | Compressor protection |
US5996364A (en) | 1998-07-13 | 1999-12-07 | Carrier Corporation | Scroll compressor with unloader valve between economizer and suction |
US6324858B1 (en) * | 1998-11-27 | 2001-12-04 | Carrier Corporation | Motor temperature control |
US6428284B1 (en) * | 2000-03-16 | 2002-08-06 | Mobile Climate Control Inc. | Rotary vane compressor with economizer port for capacity control |
US6318100B1 (en) * | 2000-04-14 | 2001-11-20 | Carrier Corporation | Integrated electronic refrigerant management system |
-
2002
- 2002-04-04 US US10/115,622 patent/US6571576B1/en not_active Expired - Lifetime
-
2003
- 2003-03-19 EP EP03714237A patent/EP1492986B1/en not_active Expired - Fee Related
- 2003-03-19 JP JP2003582481A patent/JP4111921B2/ja not_active Expired - Fee Related
- 2003-03-19 WO PCT/US2003/008349 patent/WO2003085335A1/en active IP Right Grant
- 2003-03-19 CN CNB038077817A patent/CN100338408C/zh not_active Expired - Fee Related
- 2003-03-19 DE DE60317491T patent/DE60317491T2/de not_active Expired - Lifetime
-
2006
- 2006-01-20 HK HK06100987A patent/HK1081259A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1081259A1 (en) | 2006-05-12 |
CN1646866A (zh) | 2005-07-27 |
DE60317491T2 (de) | 2008-09-18 |
EP1492986A1 (en) | 2005-01-05 |
DE60317491D1 (de) | 2007-12-27 |
EP1492986B1 (en) | 2007-11-14 |
JP2005521854A (ja) | 2005-07-21 |
WO2003085335A1 (en) | 2003-10-16 |
US6571576B1 (en) | 2003-06-03 |
CN100338408C (zh) | 2007-09-19 |
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