EP0411172B1 - Dispositif de réfrigération pour plusieurs circuits de fluide refroidisseur - Google Patents

Dispositif de réfrigération pour plusieurs circuits de fluide refroidisseur Download PDF

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Publication number
EP0411172B1
EP0411172B1 EP89114116A EP89114116A EP0411172B1 EP 0411172 B1 EP0411172 B1 EP 0411172B1 EP 89114116 A EP89114116 A EP 89114116A EP 89114116 A EP89114116 A EP 89114116A EP 0411172 B1 EP0411172 B1 EP 0411172B1
Authority
EP
European Patent Office
Prior art keywords
coolant
evaporator
compressor
temperature
circuits
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 - Lifetime
Application number
EP89114116A
Other languages
German (de)
English (en)
Other versions
EP0411172A1 (fr
Inventor
Noya Mikhail
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.)
Kkw Kulmbacher Klimagerate-Werk GmbH
Original Assignee
Kkw Kulmbacher Klimagerate-Werk GmbH
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 Kkw Kulmbacher Klimagerate-Werk GmbH filed Critical Kkw Kulmbacher Klimagerate-Werk GmbH
Priority to DE8989114116T priority Critical patent/DE58903363D1/de
Priority to EP89114116A priority patent/EP0411172B1/fr
Priority to US07/552,752 priority patent/US5076068A/en
Publication of EP0411172A1 publication Critical patent/EP0411172A1/fr
Application granted granted Critical
Publication of EP0411172B1 publication Critical patent/EP0411172B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
    • 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/006—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
    • 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
    • F25B2600/2501—Bypass 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21172—Temperatures of an evaporator of the fluid cooled by the evaporator at the inlet
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (3)

  1. Dispositif de réfrigération comportant un évaporateur (1), un circuit de fluide frigorigène (5) traversant l'évaporateur (1) du côté primaire et comportant un compresseur (6), un condenseur (7) et une vanne de détente (8), plusieurs circuits d'agent réfrigérant (2, 3) traversant l'évaporateur (1) du côté secondaire et destinés à des appareils à refroidir, et un thermostat (11) pour la mise en circuit et hors circuit du compresseur (6), caractérisé en ce que le thermostat (11) est muni d'un capteur de température (15) devant lequel passent les conduites de tous les circuits d'agent réfrigérant (2, 3) de telle manière que, en fonction de la température de mélange mesurée en amont de l'évaporateur (1) dans le sens d'écoulement de l'agent réfrigérant et influencée par la multiplicité des circuits d'agent réfrigérant (2, 3), le thermostat (11) met en circuit le compresseur (6) lorsqu'une température de commutation de l'agent réfrigérant est atteinte, et met hors circuit le compresseur (6) lorsque la température de commutation de l'agent réfrigérant est franchie vers les valeurs inférieures, et en ce qu'une vanne de dérivation (12) est disposée dans une conduite de dérivation (13) entre des points de raccordement du circuit de fluide frigorigène (5), vus dans le sens du courant, en aval du compresseur (6) d'une part et en aval de la vanne de détente (8) d'autre part, et est commandée par un capteur de pression (14) disposé dans le circuit de fluide frigorigène (5) en amont du compresseur (6) de telle manière que, pour une pression minimale dans l'évaporateur (1) qui ne doit pas être franchie vers les valeurs inférieures pour des raisons de sécurité contre la congélation de l'agent réfrigérant dans l'évaporateur, la vanne de dérivation (12) est ouverte et, pour une pression déterminée dans l'évaporateur, supérieure à la pression minimale, la vanne de dérivation (12) est fermée.
  2. Dispositif de réfrigération selon la revendication 1, caractérisé en ce que, dans le cas de deux circuits d'agent réfrigérant (2, 3), l'évaporateur (1) présente une structure à tubes coaxiaux constituée par un tube d'enveloppe, un tube intermédiaire et un tube interne, de sorte qu'il en résulte trois espaces annulaires coaxiaux parmi lesquels l'espace annulaire externe et l'espace annulaire interne sont parcourus chacun par un agent réfrigérant dans un sens, à contre courant de l'écoulement du fluide frigorigène dans l'espace annulaire intermédiaire.
  3. Dispositif de réfrigération selon la revendication 1, caractérisé en ce que l'on utilise l'eau comme agent réfrigérant.
EP89114116A 1989-07-31 1989-07-31 Dispositif de réfrigération pour plusieurs circuits de fluide refroidisseur Expired - Lifetime EP0411172B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE8989114116T DE58903363D1 (de) 1989-07-31 1989-07-31 Kuehleinrichtung fuer mehrere kuehlmittelkreislaeufe.
EP89114116A EP0411172B1 (fr) 1989-07-31 1989-07-31 Dispositif de réfrigération pour plusieurs circuits de fluide refroidisseur
US07/552,752 US5076068A (en) 1989-07-31 1990-07-16 Cooling device for a plurality of coolant circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP89114116A EP0411172B1 (fr) 1989-07-31 1989-07-31 Dispositif de réfrigération pour plusieurs circuits de fluide refroidisseur

Publications (2)

Publication Number Publication Date
EP0411172A1 EP0411172A1 (fr) 1991-02-06
EP0411172B1 true EP0411172B1 (fr) 1993-01-20

Family

ID=8201698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89114116A Expired - Lifetime EP0411172B1 (fr) 1989-07-31 1989-07-31 Dispositif de réfrigération pour plusieurs circuits de fluide refroidisseur

Country Status (3)

Country Link
US (1) US5076068A (fr)
EP (1) EP0411172B1 (fr)
DE (1) DE58903363D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230296301A1 (en) * 2022-03-15 2023-09-21 Goodman Manufacturing Company, L.P. Refrigerant leak mitigation for multi-circuit refrigerant systems

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JP2000009034A (ja) * 1998-06-25 2000-01-11 Toyota Autom Loom Works Ltd 空調システム
JP2000028208A (ja) * 1998-07-09 2000-01-28 Komatsu Ltd 冷凍装置の制御装置
JP3150117B2 (ja) 1998-11-27 2001-03-26 エスエムシー株式会社 恒温冷媒液循環装置
CN1343297A (zh) * 1999-01-12 2002-04-03 Xdx有限公司 蒸气压缩系统及其方法
MXPA01007080A (es) 1999-01-12 2005-07-01 Xdx Inc Metodo y sistema de compresion de vapor.
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US6237352B1 (en) * 1999-08-18 2001-05-29 Winton J. Goodchild Water producing and dispensing machine
EP1128120B1 (fr) * 2000-02-24 2009-04-15 Calsonic Kansei Corporation Joint pour des tuyaux duplex, méthode pour braser le joint à un tuyau duplex et climatiseur pour véhicules
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US6393851B1 (en) 2000-09-14 2002-05-28 Xdx, Llc Vapor compression system
ITBO20020025A1 (it) * 2002-01-22 2003-07-22 Gencold Srl Gruppo di refrigerazione per acqua
US6775996B2 (en) * 2002-02-22 2004-08-17 Advanced Thermal Sciences Corp. Systems and methods for temperature control
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US7828048B2 (en) * 2006-01-11 2010-11-09 Randall Douglas Dickinson Tank for a system that outputs liquid at a user-defined constant temperature
US8092676B2 (en) * 2006-01-11 2012-01-10 Thermo Fisher Scientific Inc. Tank for a system that outputs liquid at a user-defined constant temperature
DE102007003464B4 (de) * 2007-01-24 2012-10-18 Technotrans Ag Kühlvorrichtung für Druckmaschinen
US7837638B2 (en) 2007-02-13 2010-11-23 Coolsystems, Inc. Flexible joint wrap
US7731244B2 (en) 2007-09-12 2010-06-08 Coolsystems, Inc. Make-brake connector assembly with opposing latches
WO2009140584A2 (fr) 2008-05-15 2009-11-19 Xdx Innovative Refrigeration, Llc Système de transfert de chaleur à compression de vapeur pompée avec dégivrage réduit
EP2937065B1 (fr) 2009-10-22 2017-12-27 Coolsystems, Inc. Procédés de régulation de température et d'écoulement dans un dispositif de thérapie thermique
US9615967B2 (en) 2010-12-30 2017-04-11 Coolsystems, Inc. Reinforced therapeutic wrap and method
US8597217B2 (en) 2010-12-30 2013-12-03 Coolsystems, Inc. Reinforced therapeutic wrap and method
US10463565B2 (en) 2011-06-17 2019-11-05 Coolsystems, Inc. Adjustable patient therapy device
US10456320B2 (en) 2013-10-01 2019-10-29 Coolsystems, Inc. Hand and foot wraps
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CN106032949B (zh) * 2015-03-09 2020-01-10 大金工业株式会社 制冷装置
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Publication number Priority date Publication date Assignee Title
US20230296301A1 (en) * 2022-03-15 2023-09-21 Goodman Manufacturing Company, L.P. Refrigerant leak mitigation for multi-circuit refrigerant systems

Also Published As

Publication number Publication date
EP0411172A1 (fr) 1991-02-06
US5076068A (en) 1991-12-31
DE58903363D1 (de) 1993-03-04

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