EP2322804B1 - Compresseur à étages multiples - Google Patents

Compresseur à étages multiples Download PDF

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Publication number
EP2322804B1
EP2322804B1 EP09811306.1A EP09811306A EP2322804B1 EP 2322804 B1 EP2322804 B1 EP 2322804B1 EP 09811306 A EP09811306 A EP 09811306A EP 2322804 B1 EP2322804 B1 EP 2322804B1
Authority
EP
European Patent Office
Prior art keywords
refrigerant
compression mechanism
pipe
stage
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.)
Active
Application number
EP09811306.1A
Other languages
German (de)
English (en)
Other versions
EP2322804A1 (fr
EP2322804A4 (fr
Inventor
Hajime Sato
Yoshiyuki Kimata
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.)
Mitsubishi Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy Industries Thermal Systems Ltd
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 Mitsubishi Heavy Industries Thermal Systems Ltd filed Critical Mitsubishi Heavy Industries Thermal Systems Ltd
Publication of EP2322804A1 publication Critical patent/EP2322804A1/fr
Publication of EP2322804A4 publication Critical patent/EP2322804A4/fr
Application granted granted Critical
Publication of EP2322804B1 publication Critical patent/EP2322804B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C28/26—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/005—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of dissimilar working principle
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • 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
    • 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
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member

Claims (7)

  1. Compresseur à plusieurs étages (11) comprenant :
    un boîtier étanche (12) ;
    un mécanisme de compression du côté de l'étage inférieur (13) et un mécanisme de compression du côté de l'étage supérieur (15), les deux étant prévus dans une cavité du boîtier étanche (12) ;
    un moteur électrique (14) prévu entre le mécanisme de compression du côté de l'étage inférieur (13) et le mécanisme de compression du côté de l'étage supérieur (15) afin d'entraîner le mécanisme de compression du côté de l'étage inférieur (13) et le mécanisme de compression du côté de l'étage supérieur (15) ;
    un tuyau d'aspiration (21) raccordé au boîtier étanche (12) afin de fournir un réfrigérant au mécanisme de compression du côté de l'étage inférieur (13) ;
    un tuyau de décharge (19) raccordé au boîtier étanche (12) afin de décharger le réfrigérant comprimé par le mécanisme de compression du côté de l'étage supérieur (15) ;
    le compresseur à plusieurs étages (11) étant caractérisé en ce qu'il comprend en outre :
    un tuyau de dérivation (22) bifurqué à partir du tuyau d'aspiration (21) pour permettre à la cavité et au tuyau d'aspiration (21) de communiquer entre eux, de sorte que le réfrigérant s'écoule dans le boîtier étanche (12) par le tuyau de dérivation (22) en aval du moteur électrique (14) ; et
    une valve (23, 30) prévue dans le tuyau de dérivation (22) pour ouvrir ou fermer sélectivement le tuyau de dérivation (22).
  2. Compresseur à plusieurs étages (11) selon la revendication 1, dans lequel :
    un accumulateur (24) est prévu sur le tuyau d'aspiration (21) ; et
    le tuyau de dérivation (21) est bifurqué à partir du tuyau d'aspiration (21) de sorte que le réfrigérant s'écoule dans le tuyau de dérivation (22) en amont de l'accumulateur (24) .
  3. Compresseur à plusieurs étages (11) selon la revendication 1 ou 2, dans lequel :
    le tuyau d'injection (28) est prévu pour fournir un réfrigérant à pression intermédiaire, qui est aspiré à partir du circuit de réfrigérant, à la cavité ; et
    le tuyau d'injection (28) est assemblé au tuyau de dérivation (22).
  4. Compresseur à plusieurs étages (11) selon la revendication 3, dans lequel la valve (30) est prévue au niveau du point d'assemblage du tuyau d'injection (28) et du tuyau de dérivation (22), et est commutée sélectivement à partir d'une première position dans laquelle le réfrigérant envoyé par le tuyau d'injection (28) est autorisé à être amené à la cavité, mais le réfrigérant envoyé par le tuyau de dérivation (22) ne peut pas être amené à la cavité dans une seconde position dans laquelle le réfrigérant envoyé par le tuyau d'injection (28) ne peut pas être amené à la cavité, mais le réfrigérant envoyé par le tuyau de dérivation (22) est autorisé à être amené à la cavité, et vice versa.
  5. Compresseur à plusieurs étages (11) selon la revendication 1, dans lequel la valve (23, 30) est configurée pour permettre au réfrigérant d'être amené à la cavité pendant une période de temps prédéterminée au moment du démarrage du compresseur à plusieurs étages (11) de sorte que le réfrigérant est amené au mécanisme de compression du côté de l'étage supérieur (15) en contournant le mécanisme de compression du côté de l'étage inférieur (13).
  6. Compresseur à plusieurs étages (11) selon la revendication 4, dans lequel la valve (23, 30) est configurée pour être placée dans la première position pendant une période de temps prédéterminée au moment du démarrage du compresseur à plusieurs étages (11) de sorte que le réfrigérant est amené au mécanisme de compression du côté de l'étage supérieur (15) en contournant le mécanisme de compression du côté de l'étage inférieur (13).
  7. Cycle de réfrigération dans lequel un circuit de réfrigérant est configuré par un compresseur, un condensateur, une valve d'expansion et un évaporateur, qui sont raccordés en succession ; dans lequel :
    le compresseur est un compresseur à plusieurs étages (11) selon l'une quelconque des revendications 1 à 6, dans lequel :
    le tuyau d'aspiration (21) est raccordé au boîtier étanche (12) pour amener un réfrigérant envoyé par l'évaporateur (18) au mécanisme de compression du côté de l'étage inférieur (13) ;
    le tuyau de décharge (19) est raccordé au boîtier étanche (12) pour décharger le réfrigérant comprimé par le mécanisme de compression du côté de l'étage supérieur (15) vers le condensateur.
EP09811306.1A 2008-09-08 2009-09-07 Compresseur à étages multiples Active EP2322804B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008229561A JP5330776B2 (ja) 2008-09-08 2008-09-08 多段圧縮機
PCT/JP2009/004416 WO2010026776A1 (fr) 2008-09-08 2009-09-07 Compresseur à étages multiples

Publications (3)

Publication Number Publication Date
EP2322804A1 EP2322804A1 (fr) 2011-05-18
EP2322804A4 EP2322804A4 (fr) 2016-09-28
EP2322804B1 true EP2322804B1 (fr) 2018-08-15

Family

ID=41796955

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09811306.1A Active EP2322804B1 (fr) 2008-09-08 2009-09-07 Compresseur à étages multiples

Country Status (3)

Country Link
EP (1) EP2322804B1 (fr)
JP (1) JP5330776B2 (fr)
WO (1) WO2010026776A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5863326B2 (ja) * 2011-08-17 2016-02-16 三菱重工業株式会社 ２段圧縮機
CN105332888A (zh) * 2014-07-22 2016-02-17 珠海格力节能环保制冷技术研究中心有限公司 压缩机及具有其的空调器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0587074A (ja) * 1991-07-30 1993-04-06 Mitsubishi Heavy Ind Ltd ２段圧縮機
JP2803456B2 (ja) * 1991-10-23 1998-09-24 三菱電機株式会社 多気筒回転式圧縮機
JPH0683984U (ja) * 1993-05-07 1994-12-02 三菱重工業株式会社 ２段圧縮装置および２段圧縮機
JP3370026B2 (ja) * 1999-09-09 2003-01-27 三洋電機株式会社 ２段圧縮式ロータリコンプレッサ
JP2004218536A (ja) * 2003-01-15 2004-08-05 Mitsubishi Heavy Ind Ltd 電動圧縮機
JP4343627B2 (ja) * 2003-03-18 2009-10-14 東芝キヤリア株式会社 ロータリ式密閉形圧縮機および冷凍サイクル装置
JP4949817B2 (ja) * 2006-12-08 2012-06-13 三菱重工業株式会社 多段圧縮機およびそれを用いた冷凍サイクル
JP4859694B2 (ja) * 2007-02-02 2012-01-25 三菱重工業株式会社 多段圧縮機

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
WO2010026776A1 (fr) 2010-03-11
EP2322804A1 (fr) 2011-05-18
EP2322804A4 (fr) 2016-09-28
JP5330776B2 (ja) 2013-10-30
JP2010059944A (ja) 2010-03-18

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