EP1921399A3 - Système de réfrigération transcritique à deux étapes - Google Patents

Système de réfrigération transcritique à deux étapes Download PDF

Info

Publication number
EP1921399A3
EP1921399A3 EP07254445A EP07254445A EP1921399A3 EP 1921399 A3 EP1921399 A3 EP 1921399A3 EP 07254445 A EP07254445 A EP 07254445A EP 07254445 A EP07254445 A EP 07254445A EP 1921399 A3 EP1921399 A3 EP 1921399A3
Authority
EP
European Patent Office
Prior art keywords
refrigerant
refrigeration system
stage compressor
fluid communication
assembly
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.)
Withdrawn
Application number
EP07254445A
Other languages
German (de)
English (en)
Other versions
EP1921399A2 (fr
Inventor
Doron Shapiro
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.)
Hussmann Corp
Original Assignee
Hussmann Corp
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 Hussmann Corp filed Critical Hussmann Corp
Publication of EP1921399A2 publication Critical patent/EP1921399A2/fr
Publication of EP1921399A3 publication Critical patent/EP1921399A3/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • 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
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0401—Refrigeration circuit bypassing means for 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
    • 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
    • F25B2400/05—Compression system with heat exchange between particular parts of the system
    • F25B2400/054—Compression system with heat exchange between particular parts of the system between the suction tube of the compressor and another part of the 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
    • 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
    • F25B2400/06—Several compression cycles arranged in parallel
    • 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
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • 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
    • F25B2400/22—Refrigeration systems for supermarkets
    • 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
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP07254445A 2006-11-13 2007-11-13 Système de réfrigération transcritique à deux étapes Withdrawn EP1921399A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85862406P 2006-11-13 2006-11-13

Publications (2)

Publication Number Publication Date
EP1921399A2 EP1921399A2 (fr) 2008-05-14
EP1921399A3 true EP1921399A3 (fr) 2010-03-10

Family

ID=39133833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07254445A Withdrawn EP1921399A3 (fr) 2006-11-13 2007-11-13 Système de réfrigération transcritique à deux étapes

Country Status (2)

Country Link
US (1) US20080289350A1 (fr)
EP (1) EP1921399A3 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20080067A1 (it) * 2008-01-31 2009-08-01 Carpigiani Group Ali Spa Macchina per la produzione e l'erogazione di prodotti alimentari di consumo liquidi e semiliquidi.
US9151521B2 (en) * 2008-04-22 2015-10-06 Hill Phoenix, Inc. Free cooling cascade arrangement for refrigeration system
US8631666B2 (en) * 2008-08-07 2014-01-21 Hill Phoenix, Inc. Modular CO2 refrigeration system
US20120055182A1 (en) * 2008-10-23 2012-03-08 Dube Serge Co2 refrigeration system
US8011191B2 (en) 2009-09-30 2011-09-06 Thermo Fisher Scientific (Asheville) Llc Refrigeration system having a variable speed compressor
DE102010035695A1 (de) * 2010-08-27 2012-03-01 Aht Cooling Systems Gmbh Kühlmöbel, insbesondere Kühlregal
US9541311B2 (en) 2010-11-17 2017-01-10 Hill Phoenix, Inc. Cascade refrigeration system with modular ammonia chiller units
US9657977B2 (en) 2010-11-17 2017-05-23 Hill Phoenix, Inc. Cascade refrigeration system with modular ammonia chiller units
US9664424B2 (en) 2010-11-17 2017-05-30 Hill Phoenix, Inc. Cascade refrigeration system with modular ammonia chiller units
US9689590B2 (en) * 2012-05-11 2017-06-27 Hill Phoenix, Inc. CO2 refrigeration system with integrated air conditioning module
CA2815783C (fr) 2013-04-05 2014-11-18 Marc-Andre Lesmerises Systeme de refroidissement au co2 et procede de fonctionnement de celui-ci
US9528726B2 (en) 2014-03-14 2016-12-27 Hussmann Corporation Low charge hydrocarbon refrigeration system
CA2928553C (fr) 2015-04-29 2023-09-26 Marc-Andre Lesmerises Appareil de refroidissement de co2 et methode d'exploitation dudit appareil
US10429102B2 (en) 2016-01-05 2019-10-01 Carrier Corporation Two phase loop distributed HVACandR system
WO2019094031A1 (fr) * 2017-11-10 2019-05-16 Hussmann Corporation Système de réfrigération de co2 sous-critique utilisant un stockage thermique
DK3737894T3 (da) * 2018-01-11 2023-07-24 Copeland Ind Lp Kølesystem med dobbelt kaskade-varmeveksler og tilhørende driftsmetode
IT202000002878A1 (it) * 2020-02-13 2021-08-13 Arneg Assieme espositore e procedimento per farlo funzionare.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0126673A1 (fr) * 1983-05-10 1984-11-28 Ets Bonnet Installation frigorifique à système de production de froid centralisé
US4947655A (en) * 1984-01-11 1990-08-14 Copeland Corporation Refrigeration system
EP0431797A2 (fr) * 1989-11-22 1991-06-12 James C. Labrecque Système de réfrigération
US5522233A (en) * 1994-12-21 1996-06-04 Carrier Corporation Makeup oil system for first stage oil separation in booster system
WO2006022829A1 (fr) * 2004-08-09 2006-03-02 Carrier Corporation Circuit de réfrigération à co2 avec sous-refroidissement de l’agent réfrigérant liquide contre la vapeur instantanée de la bouteille accumulatrice et méthode pour exploiter celui-ci

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151724A (en) * 1977-06-13 1979-05-01 Frick Company Pressurized refrigerant feed with recirculation for compound compression refrigeration systems
EP0857561B1 (fr) * 1997-02-05 2003-09-10 Linde AG Procédé et dispositif pour le refroidissement de profilés creux extrudés
DE19815885A1 (de) * 1998-04-08 1999-10-14 Linde Ag Verfahren und Vorrichtung zur Erzeugung von gasförmigem Druckprodukt bei der Tieftemperaturzerlegung von Luft
FR2779216B1 (fr) * 1998-05-28 2000-08-04 Valeo Climatisation Dispositif de climatisation de vehicule utilisant un fluide refrigerant a l'etat supercritique
US6112547A (en) * 1998-07-10 2000-09-05 Spauschus Associates, Inc. Reduced pressure carbon dioxide-based refrigeration system
JP3094996B2 (ja) * 1998-09-30 2000-10-03 ダイキン工業株式会社 二元冷凍装置
JP3085296B2 (ja) * 1998-12-25 2000-09-04 ダイキン工業株式会社 冷凍装置
JP3112003B2 (ja) * 1998-12-25 2000-11-27 ダイキン工業株式会社 冷凍装置
US6381972B1 (en) * 1999-02-18 2002-05-07 Hussmann Corporation Multiple zone refrigeration
US6467279B1 (en) * 1999-05-21 2002-10-22 Thomas J. Backman Liquid secondary cooling system
JP4392631B2 (ja) * 1999-06-24 2010-01-06 株式会社ヴァレオサーマルシステムズ 冷凍サイクルの可変容量制御装置
DE19935731A1 (de) * 1999-07-29 2001-02-15 Daimler Chrysler Ag Verfahren zum Betreiben einer unter- und transkritisch betriebenen Fahrzeugkälteanlage
US6189329B1 (en) * 2000-04-04 2001-02-20 Venturedyne Limited Cascade refrigeration system
US6843065B2 (en) * 2000-05-30 2005-01-18 Icc-Polycold System Inc. Very low temperature refrigeration system with controlled cool down and warm up rates and long term heating capabilities
US6324856B1 (en) * 2000-07-07 2001-12-04 Spx Corporation Multiple stage cascade refrigeration system having temperature responsive flow control and method
JP2002048421A (ja) * 2000-08-01 2002-02-15 Matsushita Electric Ind Co Ltd 冷凍サイクル装置
JP2002130849A (ja) * 2000-10-30 2002-05-09 Calsonic Kansei Corp 冷房サイクルおよびその制御方法
US6457325B1 (en) * 2000-10-31 2002-10-01 Modine Manufacturing Company Refrigeration system with phase separation
US6418735B1 (en) * 2000-11-15 2002-07-16 Carrier Corporation High pressure regulation in transcritical vapor compression cycles
US6385980B1 (en) * 2000-11-15 2002-05-14 Carrier Corporation High pressure regulation in economized vapor compression cycles
WO2002046663A1 (fr) * 2000-12-08 2002-06-13 Daikin Industries, Ltd. Refrigerateur
US6871511B2 (en) * 2001-02-21 2005-03-29 Matsushita Electric Industrial Co., Ltd. Refrigeration-cycle equipment
US6608867B2 (en) * 2001-03-30 2003-08-19 Koninklijke Philips Electronics N.V. Detection and proper scaling of interlaced moving areas in MPEG-2 compressed video
US6629488B2 (en) * 2001-06-06 2003-10-07 Whitemoss, Inc. Method and apparatus for controlling axial device
DE10138255B4 (de) * 2001-08-03 2012-06-06 Gea Grasso Gmbh Anordnung für Kaskadenkälteanlage
US6494054B1 (en) * 2001-08-16 2002-12-17 Praxair Technology, Inc. Multicomponent refrigeration fluid refrigeration system with auxiliary ammonia cascade circuit
US6817193B2 (en) * 2001-11-23 2004-11-16 Daimlerchrysler Ag Method for operating a refrigerant circuit, method for operating a motor vehicle driving engine, and refrigerant circuit
US6568199B1 (en) * 2002-01-22 2003-05-27 Carrier Corporation Method for optimizing coefficient of performance in a transcritical vapor compression system
US6698214B2 (en) * 2002-02-22 2004-03-02 Thar Technologies, Inc Method of refrigeration with enhanced cooling capacity and efficiency
US6698234B2 (en) * 2002-03-20 2004-03-02 Carrier Corporation Method for increasing efficiency of a vapor compression system by evaporator heating
US6557361B1 (en) * 2002-03-26 2003-05-06 Praxair Technology Inc. Method for operating a cascade refrigeration system
US6658888B2 (en) * 2002-04-10 2003-12-09 Carrier Corporation Method for increasing efficiency of a vapor compression system by compressor cooling
US6584802B1 (en) * 2002-04-16 2003-07-01 Monty J. Cofield Cooling apparatus employing carbon dioxide
US6647742B1 (en) * 2002-05-29 2003-11-18 Carrier Corporation Expander driven motor for auxiliary machinery
US6694763B2 (en) * 2002-05-30 2004-02-24 Praxair Technology, Inc. Method for operating a transcritical refrigeration system
JP3775358B2 (ja) * 2002-07-12 2006-05-17 ダイキン工業株式会社 冷凍装置
US6708511B2 (en) * 2002-08-13 2004-03-23 Delaware Capital Formation, Inc. Cooling device with subcooling system
TWI301188B (en) * 2002-08-30 2008-09-21 Sanyo Electric Co Refrigeant cycling device and compressor using the same
JP4242131B2 (ja) * 2002-10-18 2009-03-18 パナソニック株式会社 冷凍サイクル装置
US6986262B2 (en) * 2002-11-28 2006-01-17 Sanyo Electric Co., Ltd. Binary refrigeration unit
US6739141B1 (en) * 2003-02-12 2004-05-25 Carrier Corporation Supercritical pressure regulation of vapor compression system by use of gas cooler fluid pumping device
JP4321095B2 (ja) * 2003-04-09 2009-08-26 日立アプライアンス株式会社 冷凍サイクル装置
US6898941B2 (en) * 2003-06-16 2005-05-31 Carrier Corporation Supercritical pressure regulation of vapor compression system by regulation of expansion machine flowrate
US6968708B2 (en) * 2003-06-23 2005-11-29 Carrier Corporation Refrigeration system having variable speed fan
US7000413B2 (en) * 2003-06-26 2006-02-21 Carrier Corporation Control of refrigeration system to optimize coefficient of performance
US7028494B2 (en) * 2003-08-22 2006-04-18 Carrier Corporation Defrosting methodology for heat pump water heating system
US6923011B2 (en) * 2003-09-02 2005-08-02 Tecumseh Products Company Multi-stage vapor compression system with intermediate pressure vessel
US6813895B2 (en) * 2003-09-05 2004-11-09 Carrier Corporation Supercritical pressure regulation of vapor compression system by regulation of adaptive control
US6925821B2 (en) * 2003-12-02 2005-08-09 Carrier Corporation Method for extracting carbon dioxide for use as a refrigerant in a vapor compression system
US7024883B2 (en) * 2003-12-19 2006-04-11 Carrier Corporation Vapor compression systems using an accumulator to prevent over-pressurization
US7096679B2 (en) * 2003-12-23 2006-08-29 Tecumseh Products Company Transcritical vapor compression system and method of operating including refrigerant storage tank and non-variable expansion device
US7010925B2 (en) * 2004-06-07 2006-03-14 Carrier Corporation Method of controlling a carbon dioxide heat pump water heating system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0126673A1 (fr) * 1983-05-10 1984-11-28 Ets Bonnet Installation frigorifique à système de production de froid centralisé
US4947655A (en) * 1984-01-11 1990-08-14 Copeland Corporation Refrigeration system
EP0431797A2 (fr) * 1989-11-22 1991-06-12 James C. Labrecque Système de réfrigération
US5522233A (en) * 1994-12-21 1996-06-04 Carrier Corporation Makeup oil system for first stage oil separation in booster system
WO2006022829A1 (fr) * 2004-08-09 2006-03-02 Carrier Corporation Circuit de réfrigération à co2 avec sous-refroidissement de l’agent réfrigérant liquide contre la vapeur instantanée de la bouteille accumulatrice et méthode pour exploiter celui-ci

Also Published As

Publication number Publication date
US20080289350A1 (en) 2008-11-27
EP1921399A2 (fr) 2008-05-14

Similar Documents

Publication Publication Date Title
EP1921399A3 (fr) Système de réfrigération transcritique à deux étapes
EP3379171A3 (fr) Système transcritique avec sous-refroidissement amélioré à température ambiante élevée
AU2009323588B2 (en) Refrigerating apparatus
EP1808654A2 (fr) Systèmes et modules de réfrigération à compression de vapeur dotés d'un échangeur de chaleur disposé dans un séparateur gaz-liquide
EP1804011A3 (fr) Réfrigérateur
WO2007142619B1 (fr) Unité de compresseur à étages multiples pour système de réfrigération
WO2006009790A3 (fr) Echangeur de chaleur integre pour systeme de refrigeration
WO2011041374A3 (fr) Système frigorifique doté d'un compresseur à vitesse variable
WO2006083329A3 (fr) Systeme refrigerant avec cycle economiseur
EP1686323A3 (fr) Echangeur de chaleur pour un dispositif de conditionnement d'air
EP1862749A3 (fr) Cycle frigorifique à compression de vapeur
EP1757875A3 (fr) Système de refroidissement supercritique
EP2068099A3 (fr) Système de cycle de réfrigération, installation de liquéfaction de gaz naturel, système de pompe à chaleur, et procédé pour modifier le système de cycle de réfrigération
HK1107395A1 (en) Refrigeration circuit and method for operating a refrigeration circuit
EP2280234A3 (fr) Système de dégivrage et procédé pour système de réfrigération R-744 sous-critique en cascade
EP2682690A3 (fr) Réfrigérateur
EP2450647A3 (fr) Climatiseur
US20130283833A1 (en) Refrigeration System And Method For Operating A Refrigeration System
WO2008111712A3 (fr) Système de compression et système de climatisation
EP1717528A3 (fr) Appareil à cycle de réfrigération
EP1818629A3 (fr) Système de refroidissement de compresseur
EP2629032A3 (fr) Climatiseur à pompe à chaleur unitaire comportant un échangeur de chaleur avec un accumulateur intégral
WO2005024314A3 (fr) Ameliorations a ou liees a la refrigeration
US8220289B2 (en) Refrigeration apparatus with internal heat exchanger for heat exchange
EP2159510A3 (fr) Système de climatisation

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

AK Designated contracting states

Kind code of ref document: A2

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

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

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

17P Request for examination filed

Effective date: 20100721

17Q First examination report despatched

Effective date: 20100819

AKX Designation fees paid

Designated state(s): ES GB

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20101230