EP2185819B1 - Compresseur d'agent de refroidissement - Google Patents

Compresseur d'agent de refroidissement Download PDF

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Publication number
EP2185819B1
EP2185819B1 EP08774425.6A EP08774425A EP2185819B1 EP 2185819 B1 EP2185819 B1 EP 2185819B1 EP 08774425 A EP08774425 A EP 08774425A EP 2185819 B1 EP2185819 B1 EP 2185819B1
Authority
EP
European Patent Office
Prior art keywords
electric drive
drive unit
compressor
height
refrigerant
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.)
Not-in-force
Application number
EP08774425.6A
Other languages
German (de)
English (en)
Other versions
EP2185819A1 (fr
Inventor
Meinhard Falch
Franz Leitgeb
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.)
Secop GmbH
Original Assignee
Secop GmbH
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Filing date
Publication date
Application filed by Secop GmbH filed Critical Secop GmbH
Publication of EP2185819A1 publication Critical patent/EP2185819A1/fr
Application granted granted Critical
Publication of EP2185819B1 publication Critical patent/EP2185819B1/fr
Not-in-force 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
    • 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
    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • 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
    • F04B39/0094—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 crankshaft
    • 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
    • F04B39/02—Lubrication
    • 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
    • F04B39/02—Lubrication
    • F04B39/0223—Lubrication characterised by the compressor type
    • F04B39/023—Hermetic compressors
    • 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
    • F04B39/122—Cylinder block
    • 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
    • F04B39/125—Cylinder heads
    • 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
    • F04B39/127—Mounting of a cylinder block in a casing
    • 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
    • F04B39/128—Crankcases

Definitions

  • the present invention relates to a compressor family with refrigerant compressors of different refrigerating capacity, each refrigerant compressor comprising an electric drive unit, a cylinder housing, a crankshaft drivable by the electric drive unit, and a piston driven by the crankshaft and guided in the cylinder housing, compressing the refrigerant Cylinder housing has the main bearing for the crankshaft, wherein the electric drive unit of each refrigerant compressor of the compressor family depending on the cooling capacity has a different, composed of the height of the electric drive unit and the overall height of the cylinder housing overall height.
  • Such refrigerant compressors are well known and are mainly used in the household sector, such as refrigerators or freezers. They are arranged in a hermetically sealed outer housing and part of a refrigerant circuit in which the refrigerant compressor compresses a gaseous refrigerant which is supplied from an evaporator of the piston / cylinder unit. When compressing the refrigerant pressure and temperature increase. As a result, the refrigerant is in one Condenser transferred to the liquid state and finally fed through an expansion valve to the evaporator, where it evaporates again. The necessary heat of vaporization is removed from the environment or a cold room, which is thereby cooled. Finally, the gaseous refrigerant from the evaporator is returned to the piston / cylinder unit and undergoes a new compression and expansion cycle.
  • refrigerant compressors with different cooling capacities are offered.
  • the component which essentially determines the cooling capacity of a refrigerant compressor is the electric drive used.
  • the displacement and thus the piston size vary as well as the hub itself and thus contribute to different cooling capacities.
  • the overall height of a refrigerant compressor is essentially determined by the height of the electric drive unit and the height of the mounted on the electric drive unit cylinder housing. While the overall height of the cylinder housing is kept constant in general and only the cylinder diameter and the cylinder stroke varies slightly depending on the cooling capacity, the height of the electric drive unit varies significantly depending on the cooling capacity.
  • the electric drive unit is usually a single-phase asynchronous motor, which consists of a rotor and a stator together with winding packages, wherein the stator is formed as a laminated core, which significantly affects the height of the electric drive unit, as will be explained in more detail below ,
  • the refrigerant compressor itself is arranged in a hermetically sealed outer housing, into which a suction line opens, which leads the refrigerant to the cylinder, and from which a pressure line leads away, which conducts the compressed refrigerant to the condenser. Furthermore, there is a connection flange for electrical lines on the hermetically sealed housing to supply the drive unit with electricity inside.
  • an oil sump for lubricating the moving parts of the refrigerant compressor.
  • the oil is conveyed to the lubrication points due to the rotation of the crankshaft itself, which for this purpose has two sections provided with different oil conveying means (oil delivery spindle, eccentric bore).
  • compressor family Several refrigerant compressors with a large number of identical components are referred to as the compressor family.
  • the individual members of a compressor family differ from each other by the cooling capacity and / or by the efficiency and thus mainly by the electric drive unit used.
  • Outer housing, crankshaft, cylinder housing, etc. are therefore identical or nearly identical (exceptions: cylinder bore diameter, stroke, and various mounting exemptions), to allow economic production.
  • the height compensation elements In addition to maintaining the overall height of the refrigerant compressors within a family of compressors, however, the height compensation elements also allow to always use identical crankshafts for each member of a compressor family by keeping the cylinder housing, which has the main bearing for the crankshaft always equidistant from the bottom of the outer casing , regardless of the height of the between cylinder housing and bottom of the outer housing arranged electric drive unit. Thus, the same length crankshafts can always be used. Without the height compensation, shorter crankshafts would have to be used due to the smaller distance between the cylinder housing and the bottom of the outer housing in refrigerant compressors with smaller electric drive units.
  • the main bearing in particular the lower main bearing has to be sufficiently high inside the housing for housing the larger electric drive unit, between main bearings of the crankshaft and oil sump.
  • the located below the lower main bearing portion of the crankshaft must therefore have sufficient length to still be able to immerse in the oil sump at the bottom of the outer housing in order to promote the oil to the lubrication points.
  • the DE 31 34 218 A1 discloses a cylinder housing mounted on a frame member.
  • the main bearing for the crankshaft is formed by the frame member, wherein the frame member is bolted directly to the laminated core of the electric motor.
  • each refrigerant compressor of the compressor family comprises an electric drive unit, a cylinder housing, a crankshaft drivable by the electric drive unit, the cylinder housing having the main bearing for the crankshaft and one of the crankshaft driven, guided in the cylinder housing
  • the refrigerant-compressing piston comprises and wherein the electric drive unit of each refrigerant compressor of the compressor family depending on the cooling capacity and efficiency from the height of the electric drive unit and from the height of the cylinder housing (without height compensation elements) composed different Has height, it is provided that between the electric drive unit and the cylinder housing of each refrigerant compressor at least one height compensation element is arranged.
  • the distance between the lower edge of the height defining portion of the electric drive and the axis of the cylinder housing at each compressor can be set substantially identical and the overall height can be kept constant and it is possible to grow the electric drive unit up toward the cylinder housing and at the same time arrange the main bearing as deep as possible near the oil sump.
  • the dimensioning of the main bearing length can then take place in this case due to the largest electric drive unit and so the bearing load and friction losses are minimized within a compressor family.
  • each refrigerant compressor of the compressor family with an electric drive unit a cylinder housing, driven by the electric drive unit crankshaft, wherein the cylinder housing has the main bearing for the crankshaft and a driven by the crankshaft, guided in the cylinder housing, the refrigerant-compressing piston provided that between the cylinder housing and the electric drive unit at least one height compensation element is arranged to hold a total height of cylinder housing and the respective drive unit almost identical within a compressor family with drive units of different height.
  • the dimensioning of the main bearing length can then take place in this case due to the largest electric drive unit and so the bearing load or the Losses due to friction within a compressor family are minimized.
  • the section defining the overall height of the electric drive is the height of the laminated core of the stator.
  • the cylinder housing has at least one contact flange, which is fastened to at least one corresponding contact surface of the electric drive unit, wherein the at least one height compensation element is arranged between the contact flange and the contact surface.
  • the electric drive unit is a single-phase synchronous motor and in the contact area around the laminated core of the stator of the single-phase synchronous motor.
  • Fig. 1 shows a refrigerant compressor according to the prior art in an isometric view consisting of a cylinder housing 1 and an electric drive unit, of which in Fig. 1 the laminated core 2 and the winding heads 3a, 3b are shown schematically, as well as height compensation elements of which the spiral spring elements 4 are visible, which also serve for an elastic mounting of the refrigerant compressor.
  • the outer casing was in Fig. 1 not drawn.
  • the cylinder housing 1 has a plurality of contact flanges 5, which extend in the direction of the crankshaft axis 6 and stand up on the Bleckbeck 2. Cylinder housing 1 and laminated core 2 are over in Fig. 1 not visible screws fixed to each other, which penetrate from below the laminated core 2 and end present in the uprising flanges 5, having a threaded holes.
  • Fig.2 shows a sectional view of a refrigerant compressor according to Fig.1 including outer housing 10, which is composed of two hermetically sealed housing halves 10a, 10b. Fig.2 also shows the piston 12 via a connecting rod 13 driving crankshaft 11. This is stored in a designated main bearing 14 portion of the cylinder housing 1 and preferably attached to a rotor 15 of the electric drive unit by means of press fit.
  • Fig.2 a mounted on the outer housing 10 connecting flange 16 for electrical lines visible, arranged on the cylinder head suction muffler 17 and support feet 19, which serve to fix the outer housing 10 to an external footprint.
  • Figure 3 shows a sectional view of a refrigerant compressor according to the prior art, wherein the upper half of the Outer housing 10 a was omitted. Well visible now are the holes 7 in the laminated core 2 and in the risers 5, and the screws extending therein, which serve to connect the laminated core 2 and the cylinder housing 1.
  • the total height H 1 of the refrigerant compressor is composed of the height H z1 of the cylinder housing 1, which extends from the lowermost end of the contact flanges 5 to the piston axis 24, and the height of the electric drive unit, which is determined by the height H. e1 of the laminated core 2, which is why subsequently laminated core and electric drive unit are used synonymously.
  • the outer housing 10 is tuned to the refrigerant compressor, that the upper half of the housing 10a extends just above the cylinder housing 1 and runs down in the region of the electrical connection flange 16 in the direction thereof.
  • the outer housing of a compressor family is always dimensioned after that refrigerant compressor with the greatest power.
  • height compensation elements are provided, for example in the form of support elements 8 and 9, which are surrounded by a spiral spring element 4, which are arranged below the electric drive unit 2, for example, on the underside of the laminated core 2 and on which the refrigerant compressor superimposed.
  • the height of a height compensation element is thus composed of the total height of the support elements 8, 9, including the surrounding spiral spring element 4, which is set under load by the refrigerant compressor.
  • Fig. 4 shows a similar type of refrigerant compressor as Figure 3 according to the prior art, however, with lower cooling capacity. This can be seen on the one hand on the lower height H e2 of the laminated core 2 and the lower due to the different bore diameter height H z2 of the cylinder housing 1 and thus a lower overall height H 2 .
  • To the position of the piston axis 24 within the outer housing 10 equal to that of in Figure 3 To hold the refrigerant compressor shown are height compensation elements, constructed from the support elements 8,9 and the coil spring elements 4, the same design as in Fig. 3 described, provided, but with the difference that they have a greater height H h2 than the height H h1 of the height compensation elements forming components 4,8,9 in Figure 3 ,
  • FIG. 5 shows a purely schematic view of a refrigerant compressor according to the prior art according to Figure 3 with the largest electric drive unit 2 a compressor family and Fig. 6 with the smallest electric drive unit 2 of the same compressor family.
  • main bearing length H L and bearing width B L are identical in both cases, so that the larger electric drive unit 2 of the Fig. 5 the distance between compressor and oil sump 19 reduced, since the total height H Ges of the refrigerant compressor is yes limited by the height of the outer housing.
  • the main bearing length H L of this compressor could be increased and thus the bearing load can be reduced or retained the bearing load but the friction losses can be reduced.
  • the press fit length P L of the attachment of the rotor 15 to the crankshaft 11 would then be smaller in this case, but would still be sufficiently dimensioned or in other words the press fit length P L in Figure 5 unnecessarily large and it would be advantageous to increase the main bearing length H L in order to reduce the bearing forces and to achieve smaller friction losses.
  • the oil delivery height H oil (without immersion depth E t ) to the lower main bearing 18 is therefore unnecessarily high in known refrigerant compressors to provide space for the largest electric drive unit 2 of a compressor family, although, as in Figure 6 it can be seen, the lower main bearing 18 could be arranged quite closer to the oil sump 19.
  • Figure 7 shows, for better understanding, a crankshaft in detail with the lower main bearing 18 and upper main bearing 20, and the oil inlet hole 21, which is always immersed in the oil sump 19 and the oil to the lower main bearing 18 conveys, from where it via an oil feed spindle 22 to the upper main bearing 20 and subsequently to the oil outlet 23 is transported.
  • the oil between ⁇ leinhoffsbohrung 21 and lower main bearing 18 is conveyed via an eccentric bore within the crankshaft 11, wherein the delivery height, ie the distance between the oil inlet bore 21 and main bearing 18 is limited and depends inter alia on the diameter of the crankshaft 11.
  • Figure 8 shows purely schematically a refrigerant compressor according to the invention, which differs from those in the Figure 5 and 6 differs according to the prior art characterized in that between cylinder housing 1 and electric drive unit 2 at least one inventive height compensation element 26 is arranged and the compressor bearing elements 25 in each refrigerant compressor of the same compressor family are always identical, as regards the height H h3 , so that the distance between the lower surface of the stator 2 to the bottom of the outer housing 10 is always the same.
  • Figure 8 shows purely by way of example a refrigerant compressor with the smallest electric drive unit 2 a compressor family.
  • the height compensation elements 26 are provided.
  • Such a refrigerant compressor according to the invention can only grow upward due to the arrangement of the height compensation elements 26, ie. a larger electric drive unit 2 does not reduce the distance between the lower surface of the stator core 2 and the bottom of the outer housing 10.
  • Figure 9 also shows purely schematically such a refrigerant compressor with the largest electric drive unit of a compressor family. Height compensation elements 26 are not in this case provided because the larger electric drive unit 2 has bridged this distance and grown upwards.
  • the lower main bearing 18 can therefore be arranged as far as possible in the outer housing 11, since only care must be taken that the compressor during operation, especially when starting does not touch the outer housing wall 10.
  • the main bearing length H L based on the largest electric drive unit 2 as in Figure 9 can be dimensioned, since the press fit length P L is always the same regardless of the size of the electric drive unit 2.
  • the bearing load of each compressor of a compressor family can be reduced.
  • Figure 10 shows an isometric view of a refrigerant compressor according to the invention including height compensation elements 26, one of which in Figure 11 by way of example in a detail view. From what has been said, that is in Figure 11 illustrated height compensation element 26 may have different shape and it is in the illustrated form only one of many possible embodiments.
  • An alternative embodiment shows, for example Fig.12 or Fig.14 ,
  • Figure 13 shows a sectional view through an inventive height compensation element 26 in the mounted position.
  • Figure 14 shows an isometric view of an alternative embodiment of a height compensation element according to the invention 26 without bore but with an exemption for receiving the connecting screw.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Claims (6)

  1. Famille de compresseurs composée de compresseurs de réfrigérant ayant différents rendements frigorifiques, dans laquelle chaque compresseur de réfrigérant possède une unité de moteur électrique (2), un corps de cylindre (1), un vilebrequin (11) pouvant être entraîné par l'unité de moteur électrique (2) et un piston (12) entraîné par le vilebrequin (11), guidé dans le corps de cylindre (1) et qui comprime le réfrigérant, le corps de cylindre (1) présentant le palier principal du vilebrequin (11), l'unité de moteur électrique (2) de chaque compresseur de réfrigérant de la famille de compresseurs ayant, en fonction de son rendement frigorifique, une hauteur de construction totale (Hges) différente, composée de la hauteur de construction de l'unité de moteur électrique (He) et de la hauteur de construction du corps de cylindre (Hz), caractérisée en ce qu'il est prévu entre l'unité de moteur électrique (2) et le corps de cylindre (1) de chaque compresseur de réfrigérant de la famille de compresseurs au moins un élément de compensation de la hauteur (26) destiné à conserver une même hauteur de construction totale du corps de cylindre et de l'unité de moteur correspondante avec des unités de moteur de hauteur de construction différente au sein de la famille de compresseurs.
  2. Famille de compresseurs selon la revendication 1, caractérisée en ce que la partie définissant la hauteur de construction (He) de l'unité de moteur électrique (2) est la hauteur du paquet de tôles (2) du stator.
  3. Famille de compresseurs selon la revendication 1 ou 2, caractérisée en ce que le corps de cylindre (1) présente au moins un flasque d'appui (5) qui est fixé à au moins une surface d'appui correspondante de l'unité de moteur électrique (2) et l'au moins un élément de compensation de la hauteur (26) est disposé entre le flasque d'appui (5) et la surface d'appui.
  4. Famille de compresseurs selon la revendication 3, caractérisée en ce que l'unité de moteur électrique est un moteur synchrone monophasé et la surface d'appui est le paquet de tôles (2) du stator.
  5. Famille de compresseurs selon la revendication 4, caractérisée en ce que le flasque d'appui (5), l'élément de compensation de la hauteur (26) et la surface d'appui sont vissés les uns aux autres.
  6. Famille de compresseurs selon l'une des revendications 1 à 5, caractérisée en ce que l'élément de compensation de la hauteur (26) présente un perçage ou un dégagement pour recevoir un élément de fixation, de préférence une vis.
EP08774425.6A 2007-08-28 2008-06-27 Compresseur d'agent de refroidissement Not-in-force EP2185819B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0051507U AT10065U1 (de) 2007-08-28 2007-08-28 Kältemittelkompressor
PCT/EP2008/058259 WO2009030536A1 (fr) 2007-08-28 2008-06-27 Compresseur d'agent de refroidissement

Publications (2)

Publication Number Publication Date
EP2185819A1 EP2185819A1 (fr) 2010-05-19
EP2185819B1 true EP2185819B1 (fr) 2016-12-07

Family

ID=39494819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08774425.6A Not-in-force EP2185819B1 (fr) 2007-08-28 2008-06-27 Compresseur d'agent de refroidissement

Country Status (5)

Country Link
US (1) US20110217189A1 (fr)
EP (1) EP2185819B1 (fr)
CN (1) CN101828036B (fr)
AT (1) AT10065U1 (fr)
WO (1) WO2009030536A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102939698B (zh) * 2010-06-08 2016-06-08 阿塞里克股份有限公司 密封压缩机
EP2580540A2 (fr) 2010-06-08 2013-04-17 Arçelik Anonim Sirketi Compresseur hermétique
BRPI1101247A2 (pt) * 2011-03-18 2013-05-14 Whirlpool Sa mola de suspensço para um compressor de refrigeraÇço
CN105518299B (zh) * 2013-09-03 2019-06-21 松下电器制冷装置新加坡 密闭型压缩机和装载有该压缩机的冷藏库或制冷装置
WO2017137328A1 (fr) * 2016-02-09 2017-08-17 Arcelik Anonim Sirketi Compresseur à fonctionnement silencieux
CN113048038B (zh) * 2019-12-26 2023-09-19 安徽美芝制冷设备有限公司 压缩机和制冷设备
CN113048037B (zh) * 2019-12-26 2024-01-05 安徽美芝制冷设备有限公司 压缩机和制冷设备
CN113864156B (zh) * 2021-10-28 2023-01-17 珠海格力电器股份有限公司 一种往复式压缩机

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Publication number Priority date Publication date Assignee Title
DD154396A1 (de) * 1980-12-10 1982-03-17 Eberhard Guenther Hermetischer kaeltemittelverdichter
IT221765Z2 (it) * 1991-03-26 1994-10-20 Whirlpool Italia Motocompressore ermetico con corpo o staffa di supporto del motore perfezionato
AT407208B (de) * 1998-01-28 2001-01-25 Verdichter Oe Ges M B H Wickelkopf
US6171076B1 (en) * 1998-06-10 2001-01-09 Tecumseh Products Company Hermetic compressor assembly having a suction chamber and twin axially disposed discharge chambers
BR0200039A (pt) * 2002-01-09 2003-10-28 Tecumseh Do Brasil Ltda Aperfeiçoamentos em compressor hermético para sistema de refrigeração com aplicação veicular
JP3996827B2 (ja) * 2002-09-20 2007-10-24 日立アプライアンス株式会社 密閉形圧縮機
JP4337635B2 (ja) * 2004-05-28 2009-09-30 パナソニック株式会社 密閉型圧縮機
DE102004028747A1 (de) * 2004-06-14 2005-12-29 Obrist Engineering Gmbh Hubkolbenkompressor
AT8188U1 (de) * 2004-11-02 2006-03-15 Acc Austria Gmbh Kältemittelverdichter
CN1769674A (zh) * 2004-11-05 2006-05-10 乐金电子(天津)电器有限公司 多气缸密闭型压缩机
DE102004054186B3 (de) * 2004-11-10 2006-06-14 Danfoss Compressors Gmbh Kompressor-Kurbelwelle

Also Published As

Publication number Publication date
EP2185819A1 (fr) 2010-05-19
AT10065U1 (de) 2008-08-15
US20110217189A1 (en) 2011-09-08
CN101828036B (zh) 2013-07-03
WO2009030536A1 (fr) 2009-03-12
CN101828036A (zh) 2010-09-08

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