EP1309799B1 - Compresseur a vis - Google Patents

Compresseur a vis Download PDF

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Publication number
EP1309799B1
EP1309799B1 EP01960553A EP01960553A EP1309799B1 EP 1309799 B1 EP1309799 B1 EP 1309799B1 EP 01960553 A EP01960553 A EP 01960553A EP 01960553 A EP01960553 A EP 01960553A EP 1309799 B1 EP1309799 B1 EP 1309799B1
Authority
EP
European Patent Office
Prior art keywords
screw
compressor
groove
accordance
intermediate portion
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.)
Expired - Lifetime
Application number
EP01960553A
Other languages
German (de)
English (en)
Other versions
EP1309799A1 (fr
Inventor
Karl-Fr. Kammhoff
Christian Scharer
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 EP1309799A1 publication Critical patent/EP1309799A1/fr
Application granted granted Critical
Publication of EP1309799B1 publication Critical patent/EP1309799B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C27/009—Shaft sealings specially adapted for 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
    • 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
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • 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
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/51—Bearings for cantilever assemblies

Definitions

  • the end wall 96 is provided with openings 98, which the Shaft sections 76 enforce that finally with bearing sections 100 in the second pivot bearings 74 are mounted, wherein the shaft portions 76th each enforce with the bearing portion 100, the second pivot bearing 74 and between the bearing portion 100 and the pressure-side end 75 of the respective screw body 56, an intermediate piece 102 of the respective shaft portion 76, which is required to the second pivot bearing in sufficient large distance from the end wall 96 sufficiently stable in the store second bearing housing 70 can.
  • this receiving aperture 98 is a seal between itself Inner surface 106 and the lateral surface 104 resulting gap 110, to prevent that in this gap 110, a parasitic stream of compressed Working medium to lower pressure volume areas, in particular the outlet 90 opposite, near the end wall 96th lying volume ranges, sets.
  • seal which is a penetration of compressed Working medium in the gap 110 and in particular a penetration the same in the direction of the second pivot bearing 74 should prevent.
  • an edge 146 of the aperture 98 is preferably the edge 146 of the opening 98 is provided with an inclined surface 148, which with respect to the respective axis of rotation 54 in the form of a Conical surface runs.
  • intermediate piece 102 is in direct connection with the end face 92 provided with an annular recess 150 whose base 152 has a smaller diameter than the cylinder jacket surface 104 having.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Supercharger (AREA)
  • Rotary Pumps (AREA)

Claims (11)

  1. Compresseur à vis comprenant un logement (40) de vis de compresseur, deux rotors (48, 50) à vis avec des corps (56) de vis s'engrenant l'un dans l'autre, disposés dans le logement (40) de vis de compresseur et avec des sections d'arbre (66, 76) disposées des deux côtés des corps (56) de vis, grâce auxquelles les rotors (48, 50) à vis sont placés dans des logements de palier (60, 70) disposés des deux côtés du logement (40) de vis de compresseur, et une garniture d'étanchéité (120) entre une pièce intermédiaire (102) de la section d'arbre (76) concernée contiguë à une extrémité (75) côté pression du corps (56) de vis concerné et s'étendant jusqu'à une section de palier (100) et une surface intérieure (106) d'un passage (98) prévu dans une paroi de fermeture (96), surface qui entoure la pièce intermédiaire (102) dans la région de la paroi de fermeture (96) côté sortie du logement (40) de vis de compresseur, caractérisé en ce que la garniture d'étanchéité (120) comprend une bague d'étanchéité (130) située dans une rainure (122) disposée dans la pièce intermédiaire (102) et radialement mobile par rapport à celle-ci et en ce que la rainure (122) est disposée dans la pièce intermédiaire (102) à proximité de l'extrémité (75) coté pression du corps (56) de vis concerné.
  2. Compresseur à vis selon la revendication 1, caractérisé en ce que la rainure (122) est disposé à une distance de la face frontale (92) du corps (56) de vis concerné qui correspond au maximum à cinq fois, et encore mieux à trois fois, la largeur de la rainure (122) dans le sens de l'axe de rotation (54).
  3. Compresseur à vis selon la revendication 1 ou 2, caractérisé en ce que la garniture d'étanchéité (120) entre la pièce intermédiaire (102) et la surface intérieure (106) permet des mouvements radiaux de la pièce intermédiaire (102) par rapport à la surface intérieure (106).
  4. Compresseur à vis selon la revendication 3, caractérisé en ce que la garniture d'étanchéité (120) est disposée essentiellement à proximité d'un bord (146) du passage (98) correspondant orienté vers le corps (56) de vis concerné.
  5. Compresseur à vis selon une des revendications précédentes, caractérisé en ce que la garniture d'étanchéité (120) est disposée à proximité d'une surface (94) de la paroi de fermeture (96).
  6. Compresseur à vis selon une des revendications précédentes, caractérisé en ce que la pièce intermédiaire (102) contiguë à l'extrémité (75) côté pression du corps (56) de vis concerné présente un renfoncement (150) opposé à un bord (146) du passage (98).
  7. Compresseur à vis selon la revendication 6, caractérisé en ce que la rainure (122) est disposée sur un coté du renfoncement (150) opposé au corps (56) de vis.
  8. Compresseur à vis selon la revendication 7, caractérisé en ce que la rainure (122) est disposée à une distance d'une face frontale (92) du corps (56) de vis concerné qui correspond au maximum à trois fois l'étendue du renfoncement (150) dans le sens de l'axe de rotation (54) concerné.
  9. Compresseur à vis selon la revendication 7 ou 8, caractérisé en ce que la rainure (122) est disposée à une distance d'une face frontale (92) du corps (56) de vis concerné qui est de l'ordre de deux fois l'étendue du renfoncement (150) dans le sens de l'axe de rotation (54) concerné.
  10. Compresseur à vis selon une des revendications 6 à 9, caractérisée en ce qu'un bourrelet en forme d'anneau (154) est prévu entre la rainure (122) et le renfoncement (150).
  11. Compresseur à vis selon la revendication 10, caractérisé en ce que le bourrelet en forme d'anneau (154) présente dans le sens de l'axe de rotation (54) une étendue qui correspond au maximum à une étendue du renfoncement (150) dans le sens de l'axe de rotation (54).
EP01960553A 2000-08-16 2001-07-25 Compresseur a vis Expired - Lifetime EP1309799B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10040020 2000-08-16
DE10040020A DE10040020A1 (de) 2000-08-16 2000-08-16 Schraubenverdichter
PCT/EP2001/008597 WO2002014694A1 (fr) 2000-08-16 2001-07-25 Compresseur a vis

Publications (2)

Publication Number Publication Date
EP1309799A1 EP1309799A1 (fr) 2003-05-14
EP1309799B1 true EP1309799B1 (fr) 2004-09-29

Family

ID=7652616

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01960553A Expired - Lifetime EP1309799B1 (fr) 2000-08-16 2001-07-25 Compresseur a vis

Country Status (10)

Country Link
US (1) US6572354B2 (fr)
EP (1) EP1309799B1 (fr)
CN (1) CN1181262C (fr)
AT (1) ATE278109T1 (fr)
DE (2) DE10040020A1 (fr)
DK (1) DK1309799T3 (fr)
ES (1) ES2228928T3 (fr)
PT (1) PT1309799E (fr)
TR (1) TR200402812T4 (fr)
WO (1) WO2002014694A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101864992A (zh) * 2010-06-18 2010-10-20 江西华电电力有限责任公司 一种螺杆膨胀动力机的机械密封结构

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1981135B (zh) * 2004-07-01 2010-04-14 艾略特公司 四轴承转子系统
JP2006097619A (ja) * 2004-09-30 2006-04-13 Sanyo Electric Co Ltd 圧縮機
US7186099B2 (en) * 2005-01-28 2007-03-06 Emerson Climate Technologies, Inc. Inclined scroll machine having a special oil sump
WO2007065484A1 (fr) * 2005-12-08 2007-06-14 Ghh Rand Schraubenkompressoren Gmbh Compresseur à vis
US8342829B2 (en) * 2005-12-08 2013-01-01 Ghh Rand Schraubenkompressoren Gmbh Three-stage screw compressor
CN101776080B (zh) * 2010-03-15 2012-04-18 宁波鲍斯能源装备股份有限公司 一种回转式螺杆压缩机主轴支承装置
US10941770B2 (en) * 2010-07-20 2021-03-09 Trane International Inc. Variable capacity screw compressor and method
US20150030490A1 (en) * 2010-07-20 2015-01-29 Trane International Inc. Bearing Housing and Assembly of a Screw Compressor
JP2012172627A (ja) * 2011-02-23 2012-09-10 Kobe Steel Ltd スクリュ圧縮機
CN105927542A (zh) * 2016-06-20 2016-09-07 西安交通大学苏州研究院 一种双螺杆压缩机转子轴封结构
DE102017100537A1 (de) * 2016-09-21 2018-03-22 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Verfahren zum Herstellen eines Gehäuses eines Schraubenkompressors
JP6707021B2 (ja) 2016-12-22 2020-06-10 株式会社日立産機システム スクリュー圧縮機

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951190A (ja) * 1982-09-17 1984-03-24 Hitachi Ltd オイルフリ−スクリユ−圧縮機の油切り装置
JPS60119397A (ja) * 1983-11-30 1985-06-26 Ishikawajima Harima Heavy Ind Co Ltd 密閉型スクリユ圧縮機
SE8701123L (sv) * 1987-03-19 1988-09-20 Svenska Rotor Maskiner Ab Skruvrotormaskin
JP2515831B2 (ja) * 1987-12-18 1996-07-10 株式会社日立製作所 スクリユ―真空ポンプ
JP2537712B2 (ja) * 1991-07-10 1996-09-25 株式会社荏原製作所 スクリュ―形真空ポンプ
US5281116A (en) * 1993-01-29 1994-01-25 Eaton Corporation Supercharger vent
DE19626515A1 (de) * 1996-07-02 1998-01-08 Ghh Borsig Turbomaschinen Gmbh Sperrflüssigkeitsabdichtung eines ölfreien Schraubenverdichters
BE1010915A3 (nl) * 1997-02-12 1999-03-02 Atlas Copco Airpower Nv Inrichting voor het afdichten van een rotoras en schroefcompressor voorzien van dergelijke inrichting.
DE19845993A1 (de) * 1998-10-06 2000-04-20 Bitzer Kuehlmaschinenbau Gmbh Schraubenverdichter
US6612820B1 (en) * 1999-01-11 2003-09-02 David Garrett Staat Screw compressor having sealed low and high pressure bearing chambers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101864992A (zh) * 2010-06-18 2010-10-20 江西华电电力有限责任公司 一种螺杆膨胀动力机的机械密封结构
CN101864992B (zh) * 2010-06-18 2012-09-19 江西华电电力有限责任公司 一种螺杆膨胀动力机的机械密封结构

Also Published As

Publication number Publication date
US6572354B2 (en) 2003-06-03
PT1309799E (pt) 2004-12-31
US20020159907A1 (en) 2002-10-31
DK1309799T3 (da) 2005-01-17
CN1388868A (zh) 2003-01-01
ES2228928T3 (es) 2005-04-16
DE50103903D1 (de) 2004-11-04
EP1309799A1 (fr) 2003-05-14
TR200402812T4 (tr) 2004-12-21
ATE278109T1 (de) 2004-10-15
WO2002014694A1 (fr) 2002-02-21
DE10040020A1 (de) 2002-03-07
CN1181262C (zh) 2004-12-22

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