EP2828524A1 - Unité de compresseur, ainsi que compresseur - Google Patents

Unité de compresseur, ainsi que compresseur

Info

Publication number
EP2828524A1
EP2828524A1 EP13710976.5A EP13710976A EP2828524A1 EP 2828524 A1 EP2828524 A1 EP 2828524A1 EP 13710976 A EP13710976 A EP 13710976A EP 2828524 A1 EP2828524 A1 EP 2828524A1
Authority
EP
European Patent Office
Prior art keywords
compressor
compressor unit
eccentric
connecting rod
pistons
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
EP13710976.5A
Other languages
German (de)
English (en)
Other versions
EP2828524B1 (fr
Inventor
Arno Görlich
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.)
Bock GmbH
Original Assignee
GEA Bock 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 GEA Bock GmbH filed Critical GEA Bock GmbH
Publication of EP2828524A1 publication Critical patent/EP2828524A1/fr
Application granted granted Critical
Publication of EP2828524B1 publication Critical patent/EP2828524B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B27/053—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with an actuating element at the inner ends of the cylinders
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B27/0404—Details, component parts specially adapted for such pumps
    • F04B27/0414—Cams
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B27/0404—Details, component parts specially adapted for such pumps
    • F04B27/0428—Arrangements for pressing or connecting the pistons against the actuated cam
    • 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
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B27/0404—Details, component parts specially adapted for such pumps
    • F04B27/0442—Supporting and guiding means for the pistons
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics

Definitions

  • Compressor unit as well as compressors
  • the present invention relates to a compressor unit for a compressor for
  • CONFIRMATION COPY interpreted to thereby restrict the use of fluorinated hydrocarbon refrigerants.
  • a radial piston compressor which is designed for C0 2 as a refrigerant, is known for example from EP 1 552 291 Bl, which is a reciprocating piston engine in the form of a
  • Radial piston compressor with a compressor unit with annularly arranged side by side, radially directed piston-cylinder units and disclosed with an eccentric shaft.
  • the eccentric shaft extends through a housing body enclosing the cylinder of a machine housing and the eccentric thereof controls the
  • Control ring takes place in a lateral, in the direction of a secant, one
  • a corresponding compressor unit which is provided for compressing refrigerant, has a drive device in the form of a drive shaft, which is provided for driving one or more pistons arranged in a radial direction.
  • the pistons can be moved back and forth in corresponding cylinder bores during disengagement and engagement movements.
  • the disengagement movements take place in the radially outward direction, while the engagement movements mean a movement of the pistons toward the radial center.
  • the cylinder bores are also arranged in the radial direction, particularly with a cylinder bore center axis disposed in the radial direction.
  • Drive shaft is engaged with an eccentric which controls the disengagement of the pistons, i. the piston is moved by its corresponding eccentric movement in any manner in a radially outward direction (disengagement).
  • the eccentric may optionally be integral with the drive shaft
  • the eccentric also controls the engagement movement of the pistons, which means that the eccentric is also responsible for "retracting" the pistons in the direction of the radial center, ie the eccentric moves the pistons through its corresponding eccentric
  • Movement also in any way in a radially inward direction or is causally responsible for the radially inward movement, as it is also for the outward movement.
  • a compressor unit of a compressor for compressing refrigerant with a drive device, in particular drive shaft, for driving one or more arranged in a radial direction and in
  • the device for performing a disengagement movement of the pistons is identical to the device for performing the engagement movement of the Piston. It would be conceivable in this case, for example, a connection between a respective piston and the eccentric, for example by means of a particular rigid connection, which may be realized for example in the form of a connecting rod, and which completely transfers the movement of the eccentric to the piston.
  • the eccentric of the compressor unit preferably has an eccentric active section, via which it is in operative engagement with one or more connecting rods, in particular connecting rod active sections of the respective connecting rods.
  • the eccentric active section preferably has a circular cross section
  • the connecting rod active sections preferably have a circular segment-like configuration corresponding thereto on their side facing the eccentric active section.
  • a bearing in particular a needle bearing, is arranged between the connecting rod active section and the eccentric active section, which ensures the lowest possible drive of the connecting rods and the pistons in operative engagement with low energy loss.
  • the connecting rod active sections are arranged on a circular path around the eccentric active section.
  • This embodiment is particularly suitable for the above-mentioned arrangement of a bearing, in particular a needle bearing between the two operative portions.
  • compressor unit may constitute a compressor. This would be the case, for example, in an open compressor, which by an external
  • Drive source provides a drive for the drive device, for example, the drive shaft of the compressor unit. Since, however, often referred to when a compressor, a corresponding motor and possibly hermetically sealed housing components, etc. are assigned to the compressor, for clarity in the context of the present application between a compressor, which be identical to the compressor unit in the simplest embodiment can, but also more
  • Compression of a fluid, in particular refrigerant, particularly gaseous refrigerant is used, distinguished.
  • Fig. 1 is a sectional view of an embodiment of a compressor according to the invention, cut perpendicular to the axial direction;
  • Figure 2 is another sectional view of a compressor according to the invention, cut parallel to the axial direction.
  • Fig. 1 is a sectional view of a compressor 10 according to the invention is shown, wherein the section in the region of a compressor unit 12 of the invention
  • Compressor 10 is made perpendicular to an axial direction.
  • a compressor unit 12 has six pistons 14, which are arranged in a radial direction to be moved back and forth in corresponding cylinder bores or cylinder liners 16.
  • Cylinder bores or cylinder liners 16 themselves are designed as corresponding recesses in a cylinder block 18.
  • the pistons 14 are designed to be reciprocable in the radial direction.
  • Hermos be distinguished as a result of a disengagement and an engagement movement, wherein the disengagement movement in the radially outward direction (indicated by arrow 20) and the engagement movement in a radially inward direction
  • the compressor unit 12 serves for compressing refrigerant, wherein in the embodiments described below and illustrated in the figures, it is preferably R744 (CO 2 ) as refrigerant. It should be noted, however, that any use of any other refrigerant.
  • Refrigerant for example, R134a, etc.
  • the subject of the present application is a refrigerant compressor for compressing refrigerant, in particular CO 2. It is a compressor intended especially for compressing gaseous media, i. to a compressor for compressing gaseous refrigerant.
  • the compressor unit 12 has a drive device in the form of a drive shaft 24 (see for example Fig. 2) by means of which the compressor unit 12 can be driven.
  • the drive shaft is coupled to an electric motor (not shown) in the described embodiment of a compressor 10 according to the invention, but in alternative embodiments may also be coupled to a corresponding belt drive device or other device.
  • the drive device in the form of the drive shaft 24 is in operative engagement with an eccentric 28. More specifically, the drive shaft 24 is formed eccentrically in a corresponding area (eccentric portion of the drive shaft 24). The eccentric 28 is thus integrally and integrally formed with and on the drive shaft 24. In alternative embodiments, the eccentric 28 may also be formed and attached as a separate component attached to the drive shaft 24, in particular articulated or stored accordingly.
  • the eccentric 28 has, cut perpendicular to the axial direction, a
  • the eccentric active section 32 serves to drive the pistons 14 and is in operative engagement therewith via a connecting rod 34 assigned to each piston 14.
  • the connecting rods 34 are connected to the piston 14 by means of connecting-rod eyes 36, which are formed on the sides of the connecting rods 34 facing the pistons 14.
  • the connecting rods 34 on a connecting rod active portion 38 which serves the operative engagement with the eccentric 28.
  • the eccentric 28 is connected to the connecting rod active portions 38 via a bearing in the form of a needle bearing 40 in operative engagement, which is arranged on the eccentric active portion 32 (circular cross-section) and there on the eccentric surface 30 (fitted).
  • a bearing in the form of a needle bearing 40 in operative engagement which is arranged on the eccentric active portion 32 (circular cross-section) and there on the eccentric surface 30 (fitted).
  • other bearings in particular plain bearings or rolling bearings in any possible training conceivable.
  • the bearing 40 provides a low-friction carryover and conversion of the
  • the compressor unit 12 and thus the compressor 10 are a compressor unit 12 and a compressor 10, respectively, which is designed as a refrigerant compressor which has C0 2 as refrigerant or for C0 2 is provided as a refrigerant.
  • This compressor unit 12 has a ratio of stroke of a cylinder to diameter of its bore from 0.3 to 1, in particular 0.3 to 0.7, more particularly from 0.35 to 0.5, further in particular of 0.4.
  • the stroke-bore ratio has a value of 0.3 to 1, in particular 0.3 to 0.7, more particularly from 0.35 to 0.5, further in particular 0.4.
  • Embodiment applicable Hub-bore ratios depending on the design requirements, a value from an interval of 0.3 to 1 can be selected.
  • the further mentioned values with decreasing intervals are the energetically preferred values, if these can be realized under the given design boundary conditions.
  • the compressor unit according to the invention comprises 3 to 8 pistons, in particular 4 to 6 pistons.
  • this is a piston-type favoring the type.
  • the above-described embodiment of the compressor 10 has the electric motor 26 for driving the compressor unit 12, wherein the electric motor 26 with the drive shaft 24 of the compressor unit 12 correspondingly in operative engagement or drives.
  • Embodiment is a hermetic compressor, it should be noted that the inventive concept is of course applicable to open, semi-hermetic, hermetic and otherwise trained compressor.
  • the drive of the compressor does not have to be done via an electric motor, but can also be used as a belt drive or another drive option, which may be in Compressor is integrated, or even located outside the compressor, be designed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)

Abstract

L'invention concerne une unité de compresseur (12) d'un compresseur (10) destinée à condenser un agent de réfrigération et équipée d'un dispositif d'entraînement, en particulier d'un arbre d'entraînement (24), permettant d'entraîner un ou plusieurs pistons (14) disposés dans un sens radial et déplaçables mobiles en va et vient vers l'avant et vers l'arrière selon des mouvements d'entrée et de sortie dans des alésages cylindriques (16) correspondants. Le dispositif d'entraînement est en prise fonctionnelle avec un excentrique (28) qui commande le mouvement de sortie du piston (14) et ledit excentrique (28) commande également le mouvement de rentrée du piston (14). L'invention concerne également le compresseur (10) correspondant.
EP13710976.5A 2012-03-19 2013-03-19 Unité de compresseur, ainsi que compresseur Active EP2828524B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012005297A DE102012005297A1 (de) 2012-03-19 2012-03-19 Verdichtereinheit, sowie Verdichter
PCT/EP2013/000830 WO2013139468A1 (fr) 2012-03-19 2013-03-19 Unité de compresseur, ainsi que compresseur

Publications (2)

Publication Number Publication Date
EP2828524A1 true EP2828524A1 (fr) 2015-01-28
EP2828524B1 EP2828524B1 (fr) 2022-05-11

Family

ID=47913370

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13710976.5A Active EP2828524B1 (fr) 2012-03-19 2013-03-19 Unité de compresseur, ainsi que compresseur

Country Status (5)

Country Link
US (1) US9771930B2 (fr)
EP (1) EP2828524B1 (fr)
CN (1) CN104334876B (fr)
DE (1) DE102012005297A1 (fr)
WO (1) WO2013139468A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107542660A (zh) * 2016-06-24 2018-01-05 王辉明 转子滑轨式空气压缩机
CN109519370A (zh) * 2017-09-16 2019-03-26 张呈林 槽轮式菱形活塞液压泵
CN109519375A (zh) * 2017-09-16 2019-03-26 张呈林 差动式菱形活塞压缩机
CN109322810A (zh) * 2018-11-28 2019-02-12 浙江盛源空压机制造有限公司 一种星型空压机
DE102020211680A1 (de) 2020-09-17 2022-03-17 Thyssenkrupp Ag Kolben-Zylinder-Baugruppe für einen Radialkolbenverdichter sowie Radialkolbenverdichter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB177225A (en) * 1920-12-17 1922-03-17 William Reavell Improvements in or relating to air compressors
DD64769A5 (de) * 1966-05-26 1968-11-20 Raimund Culk Kältekompressor
US5765451A (en) * 1995-02-09 1998-06-16 Carone; Robert P. Slipper bearing assembly for radial internal combustion engine
DE102008025323A1 (de) * 2008-05-27 2009-12-03 Danfoss A/S Kältemittelverdichter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR538037A (fr) * 1921-07-07 1922-06-02 Ci Ind Et Commerciale Du Cycle Et De Lautomobile Appareil compresseur d'air, destiné plus particulièrement à actionner des appareils avertisseurs à air comprimé
US4339988A (en) * 1980-04-08 1982-07-20 Ford Motor Company Free eccentric reciprocating piston device
JPH04347380A (ja) * 1991-05-22 1992-12-02 Honda Motor Co Ltd 圧縮比調整機構付きラジアルプランジャ装置
US5415078A (en) * 1994-04-05 1995-05-16 Beveridge; John H. Reciprocating piston machine
CN2627240Y (zh) * 2003-06-19 2004-07-21 奚文祥 活塞式偏心轮压缩机
DE10356373A1 (de) * 2003-12-03 2005-07-07 Obrist Engineering Gmbh Hubkolbenmaschine
JP4617812B2 (ja) * 2004-09-30 2011-01-26 ダイキン工業株式会社 容積型膨張機
CN101278122B (zh) * 2005-09-27 2013-08-21 史密特传动责任有限公司 带有具有改进曲柄轴承的星形液压缸的液压机
DE102005047284A1 (de) * 2005-10-01 2007-04-12 Danfoss A/S Kältemittelverdichter
FR2971562B1 (fr) * 2011-02-10 2013-03-29 Jacquet Luc Dispositif de compression de fluide gazeux

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB177225A (en) * 1920-12-17 1922-03-17 William Reavell Improvements in or relating to air compressors
DD64769A5 (de) * 1966-05-26 1968-11-20 Raimund Culk Kältekompressor
US5765451A (en) * 1995-02-09 1998-06-16 Carone; Robert P. Slipper bearing assembly for radial internal combustion engine
DE102008025323A1 (de) * 2008-05-27 2009-12-03 Danfoss A/S Kältemittelverdichter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013139468A1 *

Also Published As

Publication number Publication date
US20150044072A1 (en) 2015-02-12
DE102012005297A1 (de) 2013-09-19
CN104334876B (zh) 2017-05-17
WO2013139468A1 (fr) 2013-09-26
EP2828524B1 (fr) 2022-05-11
US9771930B2 (en) 2017-09-26
CN104334876A (zh) 2015-02-04

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