EP0920587A1 - Compresseur frigorifique - Google Patents

Compresseur frigorifique

Info

Publication number
EP0920587A1
EP0920587A1 EP98934981A EP98934981A EP0920587A1 EP 0920587 A1 EP0920587 A1 EP 0920587A1 EP 98934981 A EP98934981 A EP 98934981A EP 98934981 A EP98934981 A EP 98934981A EP 0920587 A1 EP0920587 A1 EP 0920587A1
Authority
EP
European Patent Office
Prior art keywords
connection
suction
refrigerant compressor
adjusting part
compressor according
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.)
Granted
Application number
EP98934981A
Other languages
German (de)
English (en)
Other versions
EP0920587B1 (fr
Inventor
Helmut Barowsky
Volker Pollrich
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.)
Bitzer Kuehlmaschinenbau GmbH and Co KG
Original Assignee
Bitzer Kuehlmaschinenbau GmbH and Co KG
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 Bitzer Kuehlmaschinenbau GmbH and Co KG filed Critical Bitzer Kuehlmaschinenbau GmbH and Co KG
Publication of EP0920587A1 publication Critical patent/EP0920587A1/fr
Application granted granted Critical
Publication of EP0920587B1 publication Critical patent/EP0920587B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • 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
    • F25B31/023—Compressor arrangements of motor-compressor units with compressor of reciprocating-piston type

Definitions

  • the invention relates to a refrigerant compressor, comprising a motor unit, which has a motor and a cooling duct for the engine, starting from an outer cooling duct connection, and a compressor unit, which has a compressor stage with a compressor stage inlet and a compressor stage outlet and a suction duct starting from an outer intake connection which, like the cooling channel, is led to the compressor stage inlet.
  • Such refrigerant compressors are known from the prior art.
  • the piping system for the suction gas is to be routed either to the cooling duct connection or to the intake connection, depending on the type of cooling to be implemented in the motor unit.
  • the invention is therefore based on the object of improving a refrigerant compressor of the generic type in such a way that the cooling can be implemented variably with the least possible structural changes.
  • a refrigerant compressor of the generic type according to the invention in that an external connection unit is provided, on which the cooling duct connection and the suction connection are arranged, that the connection unit has a receptacle and an adjustment part which can be inserted into the receptacle in at least two different positions is and that by the different positions of the adjusting part of the cooling duct connection and portions supplied to the suction connection can be set differently from the total amount of suction gas supplied via an outer suction gas connection.
  • the refrigerant compressor has a single suction gas connection to which the pipeline for the suction gas is to be routed and that, depending on the area of use, a different type of cooling, namely differently strong suction gas cooling of the motor unit to the exclusive air cooling of the motor unit, can be done simply by changing the installation of the adjustment part.
  • a different type of cooling namely differently strong suction gas cooling of the motor unit to the exclusive air cooling of the motor unit.
  • a particularly favorable solution provides that in one of the positions with the setting part a connection between an outer suction gas connection and the cooling channel connection and in another of the positions with the setting part a connection between the suction gas connection and the suction connection can be established.
  • a particularly advantageous solution provides that the setting part can be inserted into the receptacle in positions rotated about an axis of symmetry of the suction gas connection.
  • This solution has the advantage that by rotating about an axis of symmetry of the suction gas connection, the axis of symmetry of the suction gas connection itself remains unchanged locally and thus the pipes leading to the suction gas connection are also to be led to the same location regardless of the type of cooling of the motor unit.
  • suction gas connection is rotationally symmetrical, so that there is the possibility of realizing the two positions of the adjusting part by two positions which are fundamentally rotated relative to one another.
  • connection unit in such a way that the setting part can be mounted in the corresponding position after opening the compressor housing.
  • the adjustment part can be inserted into the receptacle via an outer opening of the connection unit.
  • this allows the setting part to be easily replaced and, on the other hand, it can be brought into the two positions in a simple manner without manipulation of the refrigerant compressor itself.
  • connection unit itself should be designed.
  • the connection unit in such a way that the setting part, with an element lying outside the receptacle, establishes the connection between the suction gas connection and the suction connection or the cooling channel connection.
  • a particularly favorable solution provides that the receptacle has an interior in which the cooling duct connection and the suction connection open and that either the cooling duct connection or the suction connection can be covered in each of the positions of the adjusting part. This solution therefore has the advantage that it has a very compact construction, since the cooling duct connection or the suction connection is closed by a region of the adjusting part which engages in the interior.
  • a particularly favorable solution provides that the interior of the receptacle has an approximately cylindrical shape, since in this case the adjustment part corresponding to this can be easily produced.
  • a particularly advantageous solution provides that the interior of the receptacle extends as a recess into a partition wall, which has the cooling duct and the intake duct separates from one another, since in this case the cooling duct connection and the suction connection can be arranged particularly favorably so that they open into the interior.
  • a particularly expedient solution with regard to the compact design provides that the adjusting part can be inserted into the interior and is thus integrated into the refrigerant compressor according to the invention in a space-saving manner.
  • the adjusting part receives a suction gas filter.
  • the adjusting part can be realized as simply as desired if it has a cover body with which either the cooling duct connection or the suction connection can be closed, so that the suction gas supplied via the suction gas connection enters the connection that is not closed.
  • the cover body could be of any complexity.
  • a particularly advantageous solution provides that the cover body has an approximately semi-cylindrical shape, so that it can be used to cover the cooling duct connection or the suction connection in a simple manner if these open into a cylindrical wall of the interior.
  • a flange plate is arranged on the setting part, which can be placed on a connection flange of the connection unit, so that on the one hand with this plate Fixing of the adjusting part takes place and on the other hand, the elements required for the supply of the suction gas could then be connected to the flange plate itself.
  • suction gas shut-off valve can be mounted on the flange plate of the adjusting part.
  • the flange plate has a different shape on one side of the adjustment part than on an opposite side.
  • the position of the flange plate and thus the position of the adjusting part can thus easily be recognized from the differing shape of the sides opposite each other.
  • a particularly favorable solution is one in which the flange plate and the adjusting part fixedly arranged thereon can be mounted on the receptacle in two positions, each rotated by 180 ° with respect to one another.
  • the two positions of the adjustment part can be realized in a simple manner with standard flange fastenings which have a double symmetry, without further special fastening measures being required.
  • FIG. 1 shows a longitudinal section through a refrigerant compressor according to the invention.
  • FIG. 2 shows a section along line 2-2 in FIG. 1 with the cooling duct connection closed;
  • FIG. 3 shows a section along line 2-2 in FIG. 1 with the suction connection closed
  • Fig. 4 is a plan view of an inventive
  • Fig. 5 is a plan view of the adjusting part according to the invention in the direction of arrow B in Fig. 4 and
  • FIG. 6 is a plan view of the adjusting part according to the invention in the direction of arrow C in FIG. 5.
  • An exemplary embodiment of a refrigerant compressor 10 comprises a motor unit designated as a whole by 12 and a compressor unit designated as a whole by 14, both of which are arranged in a common compressor housing 16.
  • a section 18 of the compressor housing 16 encloses the motor designated as a whole by 20, preferably an electric motor, which in turn drives via a shaft 22 a piston compressor 26 which forms a compressor stage and is arranged in a section 24 of the compressor housing 16.
  • Refrigerant is supplied via a suction gas pipe 28, which is led to a suction gas shut-off valve 30.
  • the suction gas shut-off valve 30 is mounted on a connection unit, designated as a whole by 32, which is connected via a cooling duct connection 34 to a cooling duct 36, which is provided in section 18 of the compressor housing 16 and serves to draw in refrigerant drawn by the engine. 20 receiving engine compartment 38 and thus also to pass through the engine 20, the cooling channel 36 leading the drawn-in refrigerant after flowing through the engine 20 to a cooling channel outlet 40.
  • refrigerant can be supplied to a suction channel 46 which is led to a compressor stage inlet 48.
  • the cooling channel outlet 40 preferably also opens into the intake channel 46, so that refrigerant flowing through the cooling channel 36 can also be supplied to the intake channel 46 and via this to the compressor stage inlet 48.
  • the refrigerant is compressed, which can then be removed via a compressor stage outlet 50.
  • the cooling channel 36 and the suction channel 46 are separated by a wall 60 provided in the compressor housing 16 and bounded by an outer housing wall 62 and an inner housing wall 64 extending at a distance therefrom .
  • the wall 60 extends up to the connection unit 32 and is to form a receptacle 66 with a Provide recess so that the receptacle 66 can form an interior space 68 which extends between the outer housing wall 62 and the inner housing wall 64 and into which the cooling duct connection 34 and the suction connection 44 open.
  • an adjusting part in the interior 68 of the receptacle 66, an adjusting part, designated as a whole by 70, can be inserted via an outer opening 71, which, as shown in FIGS. 4 and 5, has a covering body 74 which is approximately semi-cylindrical with its outer circumferential surface with respect to a cylinder axis 72, which in turn is firmly connected to a flange plate 76.
  • the cover body 74 which is approximately semi-cylindrical to the axis 72, can be inserted into the receptacle 66 such that the cylinder axis 72 extends transversely, preferably perpendicularly, to the outer housing wall 62 and the inner housing wall 64, the cover body 74 having a length in the direction of the cylinder axis 72, so that it extends with its underside 78 facing away from the flange plate 76 in the state inserted into the receptacle 66 to the inner housing wall 64, and preferably closes with this.
  • the cover body 74 encloses an inflow space 82 in the form of a cylinder jacket and, due to its only approximately semi-cylindrical shape, also has an opening 80 through which suction gas can emerge from the inflow space 82 enclosed by the cover body 74.
  • the flange plate 76 also has an inflow opening 84, which represents a suction gas connection, via which suction gas can flow into the inflow space 82 from the suction gas shut-off valve 30 in the direction of the cylinder axis 72.
  • a suction gas filter 86 can preferably be inserted into the inflow space 82 enclosed by the cover body 74, in such a way that the suction gas flowing in from the suction gas shut-off valve 30 via the inflow opening 84 first passes through the suction gas filter 86 and then enters the inflow space 82.
  • the cover body 74 with the flange plate 76 can either be inserted into the receptacle in such a way that the cover body 74 essentially covers the cooling duct connection 34 and thus prevents the suction gas from the inflow space 82 into the cooling duct 36 occurs, but the opening 80 faces the suction port 44, so that the suction gas from the inflow space 82 can enter the suction channel 46 via the suction port 44, as shown in FIG. 2.
  • the cover body 74 with the flange plate 76 into the receptacle 66 about the cylinder axis 72 of the cover body rotated by 180 °, so that the cover body 74 covers the suction port 44 and prevents the suction gas from the inflow space 82 into the Intake channel 46 can occur.
  • the suction gas then flows through the opening 80 facing the cooling duct connection 34 into the cooling duct 36 via the cooling duct connection 34, flows through the engine compartment 38 as shown in FIG. 1 and enters the suction duct 46 via the cooling duct outlet 40.
  • cover body 74 it is also possible to design the cover body 74 so that it only partially covers the cooling duct connection 34 or the suction connection 44, so that a certain proportion of the suction gas always enters into it, but the greater proportion of the suction gas enters the suction connection 44 or the Cooling channel connection 34 occurs. Furthermore, it is still possible to provide intermediate positions of the cover body 74, in which it partially covers the suction port 44 and the cooling channel port 34, so that the portions of the suction gas entering the suction port 44 and the cooling channel port 34 can also be adjusted in intermediate stages.
  • the flange plate 76 is provided with two screw holes 88, 90 which are arranged opposite one another with respect to the cylinder axis 72, so that the flange plate 76 with the outer housing wall in two positions rotated by 180 ° around the cylinder axis 72 62 is connectable.
  • the flange plate 76 also represents a connection flange for the suction gas shut-off valve 30, which can be placed with its connection flange on the flange plate 76 and can be connected to this together with a connection flange 92 of the connection unit 52 by means of screws.
  • the flange plate 76 is asymmetrical with respect to the cylinder axis 72 and has, for example on the side of the opening 80, additional lugs 94 which are not present on the opposite side, that is to say on the closed side of the cover body 74, so that lugs 94 can be seen on these , in which of the two positions rotated by 180 ° relative to one another by 180 ° around the cylinder axis 72, the cover body 74 with the flange plate 76 is inserted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un compresseur frigorifique comprenant un ensemble moteur (20) présentant un moteur et un conduit de refroidissement (36) pour le moteur partant d'une connexion externe pour le conduit de refroidissement, ainsi qu'un ensemble compresseur (26) présentant un étage compresseur muni d'une entrée (48) et d'une sortie (50) de l'étage compresseur, et un conduit d'aspiration (46) partant d'une connexion d'aspiration externe (46) qui est dirigé, comme le conduit de refroidissement, vers l'entrée de l'étage compresseur, et a pour but d'améliorer un compresseur de ce type, de façon que le refroidissement puisse être réalisé de manière variable, en modifiant le moins possible la construction. A cet effet, l'invention est caractérisée en ce qu'il est prévu une unité de raccordement externe (32) sur laquelle sont montées la connexion du conduit de refroidissement et la connexion d'aspiration, de façon que l'unité de raccordement présente une réception et un élément de réglage (71) pouvant être inséré dans au moins deux positions différentes dans la réception, et en ce que les différentes positions de l'élément de réglage permettent de régler différemment les proportions de quantité totale de gaz d'aspiration amené via une connexion de gaz d'aspiration externe, et aboutissant à la connexion du conduit de refroidissement et à la connexion d'aspiration.
EP98934981A 1997-06-25 1998-06-19 Compresseur frigorifique Expired - Lifetime EP0920587B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19726943 1997-06-25
DE19726943A DE19726943C2 (de) 1997-06-25 1997-06-25 Kältemittelkompressor
PCT/EP1998/003745 WO1999000600A1 (fr) 1997-06-25 1998-06-19 Compresseur frigorifique

Publications (2)

Publication Number Publication Date
EP0920587A1 true EP0920587A1 (fr) 1999-06-09
EP0920587B1 EP0920587B1 (fr) 2003-04-16

Family

ID=7833590

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98934981A Expired - Lifetime EP0920587B1 (fr) 1997-06-25 1998-06-19 Compresseur frigorifique

Country Status (7)

Country Link
US (1) US6131406A (fr)
EP (1) EP0920587B1 (fr)
CA (1) CA2263931C (fr)
DE (2) DE19726943C2 (fr)
DK (1) DK0920587T3 (fr)
ES (1) ES2194332T3 (fr)
WO (1) WO1999000600A1 (fr)

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DE19908043C2 (de) * 1999-02-24 2001-08-30 Mannesmann Vdo Ag Elektrisch angetriebenes Kompressionskältesystem eines Kraftfahrzeuges
DE19918161A1 (de) * 1999-04-22 2000-11-02 Bitzer Kuehlmaschinenbau Gmbh Kältemittelverdichteranlage
DE19923733C2 (de) * 1999-05-22 2002-06-20 Danfoss Compressors Gmbh Sauggasleitung für einen Kältemittelverdichter
DE10027617A1 (de) 2000-06-02 2001-12-06 Mannesmann Vdo Ag Einrichtung zum Antrieb eines Klimakompressors
DE10057383B4 (de) * 2000-11-18 2005-10-06 Continental Aktiengesellschaft Mehrstufiger Kolbenverdichter und Verfahren zur Kühlung eines elektrischen Motors für einen mehrstufigen Kolbenverdichter
DE20103714U1 (de) * 2001-03-05 2002-07-25 WAECO International GmbH, 48282 Emsdetten Kompressoranordnung für Kühleinrichtungen in Fahrzeugen
JP2003035261A (ja) * 2001-07-19 2003-02-07 Toyota Industries Corp 圧縮機
DE10138070C2 (de) * 2001-08-03 2003-05-22 Knorr Bremse Systeme Kolbenkompressor mit einem Kühlluftstrom
US6634870B2 (en) 2002-01-03 2003-10-21 Tecumseh Products Company Hermetic compressor having improved motor cooling
DE10358471A1 (de) * 2003-11-17 2005-06-23 Bitzer Kühlmaschinenbau Gmbh Kältemittelverdichter für Kraftfahrzeuge
DE10355442A1 (de) * 2003-11-27 2005-12-29 Continental Aktiengesellschaft Luftversorgungsanlage und Verfahren zur Kühlung einer oder mehrerer Baugruppen der Luftversorgungsanlage
DE102004042944B4 (de) 2004-09-02 2009-09-10 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Kolbenkompressor mit einem internen Kühlluftstrom im Kurbelgehäuse
DE102006012174A1 (de) * 2006-03-16 2007-09-20 Pari GmbH Spezialisten für effektive Inhalation Inhalationstherapiegerätekompressor
DE102007042318B4 (de) * 2007-09-06 2017-11-30 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Kompakter trockenlaufender Kolbenverdichter
DE102009006040A1 (de) * 2009-01-24 2010-07-29 Bock Kältemaschinen GmbH Verdichter
DK2435702T3 (en) * 2009-05-28 2019-03-04 Carrier Corp LIGHT WEIGHT CRUMP HOUSING FOR COMPRESSOR
SG181973A1 (en) 2010-01-06 2012-08-30 Carrier Corp Reciprocating refrigeration compressor oil separation
US8814537B2 (en) * 2011-09-30 2014-08-26 Emerson Climate Technologies, Inc. Direct-suction compressor
KR20150017321A (ko) * 2012-05-18 2015-02-16 가부시키가이샤 발레오 재팬 전동 압축기
US9366462B2 (en) 2012-09-13 2016-06-14 Emerson Climate Technologies, Inc. Compressor assembly with directed suction
DE112015004568T5 (de) * 2015-02-23 2017-06-14 Mitsubishi Heavy Industries, Ltd. Kompressorsystem
CN106246503B (zh) * 2016-08-18 2018-02-23 江苏雪梅制冷设备有限公司 一种压缩机
DE102018129473A1 (de) 2018-11-22 2020-05-28 Bitzer Kühlmaschinenbau Gmbh Kältemittelverdichter
US11236748B2 (en) 2019-03-29 2022-02-01 Emerson Climate Technologies, Inc. Compressor having directed suction
US11767838B2 (en) 2019-06-14 2023-09-26 Copeland Lp Compressor having suction fitting
US11248605B1 (en) 2020-07-28 2022-02-15 Emerson Climate Technologies, Inc. Compressor having shell fitting
US11619228B2 (en) 2021-01-27 2023-04-04 Emerson Climate Technologies, Inc. Compressor having directed suction
WO2023020221A1 (fr) * 2021-08-16 2023-02-23 艾默生环境优化技术(苏州)有限公司 Appareil de distribution d'air d'admission et compresseur le comprenant

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Also Published As

Publication number Publication date
DK0920587T3 (da) 2003-08-04
EP0920587B1 (fr) 2003-04-16
CA2263931C (fr) 2007-03-13
CA2263931A1 (fr) 1999-01-07
ES2194332T3 (es) 2003-11-16
DE19726943A1 (de) 1999-01-14
DE59807951D1 (de) 2003-05-22
WO1999000600A1 (fr) 1999-01-07
US6131406A (en) 2000-10-17
DE19726943C2 (de) 2000-03-23

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