EP2989397B1 - Procédé et dispositif de refroidissement d'un moteur - Google Patents

Procédé et dispositif de refroidissement d'un moteur Download PDF

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Publication number
EP2989397B1
EP2989397B1 EP14714996.7A EP14714996A EP2989397B1 EP 2989397 B1 EP2989397 B1 EP 2989397B1 EP 14714996 A EP14714996 A EP 14714996A EP 2989397 B1 EP2989397 B1 EP 2989397B1
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EP
European Patent Office
Prior art keywords
refrigerant
compression stage
stage
motor
fraction
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.)
Active
Application number
EP14714996.7A
Other languages
German (de)
English (en)
Other versions
EP2989397A1 (fr
Inventor
Max Meise
Simon Klink
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
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Publication of EP2989397A1 publication Critical patent/EP2989397A1/fr
Application granted granted Critical
Publication of EP2989397B1 publication Critical patent/EP2989397B1/fr
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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
    • 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
    • F25B31/02—Compressor arrangements of motor-compressor units
    • F25B31/026—Compressor arrangements of motor-compressor units with compressor of rotary 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
    • F25B31/00—Compressor arrangements
    • F25B31/006—Cooling of compressor or motor
    • 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
    • F25B49/025—Motor control 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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator

Claims (11)

  1. Procédé de refroidissement d'un moteur, qui entraîne au moins un compresseur (2) au moins à deux étages d'un circuit de réfrigérant (1) qui comprend au moins un premier étage de compression (3) et un deuxième étage de compression (4), un réfrigérant étant guidé à travers le circuit de réfrigérant (1), lequel est amené dans le premier étage de compression (3) d'un niveau de pression bas à un niveau de pression moyen et dans le deuxième étage de compression (4) du niveau de pression moyen à un niveau de pression élevé et qui est détendu à la suite du deuxième étage de compression (4) par dégagement de chaleur au niveau de pression moyen,
    caractérisé en ce que
    le moteur (5) est refroidi avec le courant de réfrigérant total qui circule dans le circuit de réfrigérant en tant que courant principal de réfrigérant à deux phases, qui présente le niveau de pression moyen.
  2. Procédé selon la revendication 1, caractérisé en ce que le courant principal de réfrigérant, après le refroidissement du moteur (5), est séparé en une partie de réfrigérant liquide et une partie de réfrigérant gazeuse, la partie de réfrigérant gazeuse étant acheminée au deuxième étage de compression (4) et la partie de réfrigérant liquide étant acheminée au premier étage de compression (3) du compresseur (2) à deux étages.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le réfrigérant est évaporé avant le premier étage de compression (3) avec absorption de chaleur et est condensé après le deuxième étage de compression (4) avec dégagement de chaleur.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la partie de réfrigérant après le premier étage de compression (3) est réunie avec la partie de réfrigérant provenant du deuxième étage de compression (4) après dégagement de chaleur avant l'utilisation pour le refroidissement du moteur (5).
  5. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la partie de réfrigérant après le premier étage de compression (3) est acheminée directement au deuxième étage de compression (4), la partie de réfrigérant gazeuse après le refroidissement du moteur (5) étant acheminée au deuxième étage de compression (4) et étant réunie avec la partie de réfrigérant provenant du premier étage de compression (3) et le réfrigérant formant le courant principal de réfrigérant, provenant du deuxième étage de compression (4), étant utilisé après dégagement de chaleur pour refroidir le moteur (5).
  6. Dispositif, en particulier pompe à chaleur à deux étages, appareil de climatisation ou installation frigorifique, pour mettre en œuvre un procédé selon les revendications 1 à 5, comprenant un moteur (5) et un circuit de réfrigérant (1) dans lequel est disposé un compresseur (2) à deux étages avec un premier étage de compression (3) et un deuxième étage de compression (4), qui peut être entraîné par le moteur (5), caractérisé en ce qu'un refroidissement du moteur est incorporé dans le circuit de réfrigérant (1) de telle sorte qu'il puisse être parcouru par tout l'écoulement de courant de réfrigérant qui circule dans le circuit de réfrigérant sous forme de courant principal de réfrigérant à deux phases, un élément de séparation de phase (12) étant disposé dans la direction d'écoulement derrière le refroidissement du moteur, lequel est connecté par le biais d'une conduite de gaz d'aspiration (17) pour une partie de réfrigérant gazeuse au deuxième étage de compression (4) et par le biais d'une première conduite (16) pour une partie de réfrigérant liquide au premier étage de compression (3) du compresseur de réfrigérant (2) à deux étages.
  7. Dispositif selon la revendication 6, caractérisé en ce qu'un évaporateur (14) et éventuellement un élément d'étranglement (13) ainsi qu'éventuellement d'autres composants sont disposés dans la première conduite (16) avant le premier étage de compression (3).
  8. Dispositif selon la revendication 6 ou 7, caractérisé en ce que dans une deuxième conduite (8) du circuit de réfrigérant (1) après le deuxième étage de compression (4) sont disposés un condenseur (9) et éventuellement un élément d'étranglement (11) ainsi qu'éventuellement d'autres composants.
  9. Dispositif selon l'une quelconque des revendications 6 à 8, caractérisé en ce que dans le circuit de réfrigérant (8) avant le refroidissement du moteur est disposé un dispositif de mélange qui est connecté à une conduite de gaz sous pression (6) provenant du premier étage de compression (3) et à la deuxième conduite (8).
  10. Dispositif selon l'une quelconque des revendications 6 à 8, caractérisé en ce que la deuxième conduite (8) est connectée au refroidissement du moteur, une conduite de gaz sous pression (6) provenant du premier étage de compression (3) débouchant dans la conduite de gaz d'aspiration (17) conduisant au deuxième étage de compression (4).
  11. Dispositif selon l'une quelconque des revendications 6 à 8, caractérisé en ce que des composants supplémentaires sont disposés dans une conduite de réfrigérant entre le refroidissement du moteur (5) et l'élément de séparation de phase (12).
EP14714996.7A 2013-04-23 2014-04-02 Procédé et dispositif de refroidissement d'un moteur Active EP2989397B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013207344.5A DE102013207344A1 (de) 2013-04-23 2013-04-23 Verfahren und Vorrichtung zum Kühlen eines Motors
PCT/EP2014/056567 WO2014173641A1 (fr) 2013-04-23 2014-04-02 Procédé et dispositif de refroidissement d'un moteur

Publications (2)

Publication Number Publication Date
EP2989397A1 EP2989397A1 (fr) 2016-03-02
EP2989397B1 true EP2989397B1 (fr) 2020-06-10

Family

ID=50434195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14714996.7A Active EP2989397B1 (fr) 2013-04-23 2014-04-02 Procédé et dispositif de refroidissement d'un moteur

Country Status (5)

Country Link
US (1) US20160273812A1 (fr)
EP (1) EP2989397B1 (fr)
CN (1) CN105143790B (fr)
DE (1) DE102013207344A1 (fr)
WO (1) WO2014173641A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10391835B2 (en) * 2015-05-15 2019-08-27 Ford Global Technologies, Llc System and method for de-icing a heat pump
WO2019068322A1 (fr) * 2017-10-04 2019-04-11 Bitzer Kühlmaschinenbau Gmbh Système de compresseur frigorifique

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2746269A (en) * 1955-03-17 1956-05-22 Trane Co Plural stage refrigerating apparatus
US3232074A (en) * 1963-11-04 1966-02-01 American Radiator & Standard Cooling means for dynamoelectric machines
FR2620205A1 (fr) * 1987-09-04 1989-03-10 Zimmern Bernard Compresseur hermetique pour refrigeration avec moteur refroidi par gaz d'economiseur
CN1108501C (zh) * 1996-04-18 2003-05-14 株式会社三进 5或8kw制冷系统的离心式压缩机组
US6070421A (en) * 1996-04-18 2000-06-06 Samjin Co., Ltd. 5 or 8 kW refrigerating system and centrifugal compressor assembly for said system
KR100288315B1 (ko) * 1999-03-15 2001-04-16 김평길 2단 원심압축기
US7600390B2 (en) * 2004-10-21 2009-10-13 Tecumseh Products Company Method and apparatus for control of carbon dioxide gas cooler pressure by use of a two-stage compressor
CN201488382U (zh) * 2009-09-11 2010-05-26 河南千年冷冻设备有限公司 一种双级制冷系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102013207344A1 (de) 2014-10-23
WO2014173641A1 (fr) 2014-10-30
EP2989397A1 (fr) 2016-03-02
CN105143790A (zh) 2015-12-09
CN105143790B (zh) 2018-02-23
US20160273812A1 (en) 2016-09-22

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