EP2264319A3 - Compresseur à vis sec - Google Patents

Compresseur à vis sec Download PDF

Info

Publication number
EP2264319A3
EP2264319A3 EP10164131.4A EP10164131A EP2264319A3 EP 2264319 A3 EP2264319 A3 EP 2264319A3 EP 10164131 A EP10164131 A EP 10164131A EP 2264319 A3 EP2264319 A3 EP 2264319A3
Authority
EP
European Patent Office
Prior art keywords
rotors
casing
discharge port
screw compressor
oil free
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
EP10164131.4A
Other languages
German (de)
English (en)
Other versions
EP2264319B1 (fr
EP2264319A2 (fr
Inventor
Takashi Saito
Seiji Tsuru
Toshikazu Uchida
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.)
Hitachi Industrial Equipment Systems Co Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP2264319A2 publication Critical patent/EP2264319A2/fr
Publication of EP2264319A3 publication Critical patent/EP2264319A3/fr
Application granted granted Critical
Publication of EP2264319B1 publication Critical patent/EP2264319B1/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
    • 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
    • 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
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/086—Carter
    • 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
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0021—Systems for the equilibration of forces acting on the pump
    • F04C29/0035—Equalization of pressure pulses
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • F04C29/065—Noise dampening volumes, e.g. muffler chambers
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • F04C29/068—Silencing the silencing means being arranged inside the pump housing
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C2250/00—Geometry
    • F04C2250/10—Geometry of the inlet or outlet
    • F04C2250/102—Geometry of the inlet or outlet of the outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP10164131.4A 2009-05-28 2010-05-27 Compresseur à vis sec Active EP2264319B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009129389A JP5422260B2 (ja) 2009-05-28 2009-05-28 オイルフリースクリュー圧縮機

Publications (3)

Publication Number Publication Date
EP2264319A2 EP2264319A2 (fr) 2010-12-22
EP2264319A3 true EP2264319A3 (fr) 2014-05-21
EP2264319B1 EP2264319B1 (fr) 2017-01-11

Family

ID=42315405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10164131.4A Active EP2264319B1 (fr) 2009-05-28 2010-05-27 Compresseur à vis sec

Country Status (3)

Country Link
EP (1) EP2264319B1 (fr)
JP (1) JP5422260B2 (fr)
CN (1) CN101900119B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102352843A (zh) * 2011-09-26 2012-02-15 江西隆恒科技有限公司 一种无油双螺杆压缩机
DE102012009103A1 (de) * 2012-05-08 2013-11-14 Ralf Steffens Spindelverdichter
JP6184837B2 (ja) * 2013-10-30 2017-08-23 株式会社日立産機システム スクリュー圧縮機
US10670014B2 (en) * 2015-01-15 2020-06-02 Atlas Copco Airpower, Naamloze Vennootschap Oil-injected vacuum pump element
CN112780551B (zh) 2021-02-26 2025-09-16 珠海格力电器股份有限公司 转子组件、压缩机和空调
CN115355173B (zh) * 2022-09-23 2025-11-04 神钢无锡压缩机股份有限公司 一种螺杆压缩机内置压力平衡结构
CN116255335B (zh) * 2023-03-27 2025-04-25 英格索兰技术研发(上海)有限公司 真空泵

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2578196A (en) * 1946-11-30 1951-12-11 Imo Industri Ab Screw compressor
US4560333A (en) * 1984-02-07 1985-12-24 Hitachi, Ltd. Screw compressor
US5413467A (en) * 1991-01-24 1995-05-09 Hitachi, Ltd. Oil-free type screw compressor device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB282752A (en) 1926-12-30 1928-05-31 Josef Kozousek Improvements in rotary machines for compressing and conveying liquids
US3622256A (en) 1969-10-14 1971-11-23 Alexandr Ivanovich Borisoglebs Screw-rotor machine
JPS58131388A (ja) * 1982-01-29 1983-08-05 Hitachi Ltd スクリユ−圧縮機
JPH06100188B2 (ja) * 1984-09-05 1994-12-12 株式会社日立製作所 オイルフリースクリュー真空ポンプ
JPS6336083A (ja) * 1986-07-29 1988-02-16 Mayekawa Mfg Co Ltd スクリユ−式圧縮機の吐出ポ−ト部の圧力緩和装置
JPS6345488A (ja) 1986-08-11 1988-02-26 Kobe Steel Ltd オイルフリ−スクリユ圧縮機
JP2550066Y2 (ja) * 1990-08-28 1997-10-08 本田技研工業株式会社 スクリュー圧縮機
JPH05302582A (ja) * 1992-04-24 1993-11-16 Hitachi Ltd 給油式スクリュー圧縮機
JPH05312174A (ja) * 1992-05-11 1993-11-22 Hitachi Ltd スクリュー真空ポンプ
JPH07247990A (ja) * 1994-03-09 1995-09-26 Ebara Corp 分流ポート付スクリュー流体機械
JPH09291891A (ja) * 1996-04-26 1997-11-11 Hitachi Ltd スクリュー圧縮機
JPH10213085A (ja) * 1997-01-28 1998-08-11 Kobe Steel Ltd スクリュ圧縮機およびそのケーシングの鋳造方法
JP2002013494A (ja) * 2000-06-29 2002-01-18 Tochigi Fuji Ind Co Ltd 流体機械
JP5000962B2 (ja) * 2006-09-28 2012-08-15 株式会社日立産機システム スクリュー圧縮機
JP2008297944A (ja) * 2007-05-30 2008-12-11 Hitachi Industrial Equipment Systems Co Ltd スクリュー圧縮機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2578196A (en) * 1946-11-30 1951-12-11 Imo Industri Ab Screw compressor
US4560333A (en) * 1984-02-07 1985-12-24 Hitachi, Ltd. Screw compressor
US5413467A (en) * 1991-01-24 1995-05-09 Hitachi, Ltd. Oil-free type screw compressor device

Also Published As

Publication number Publication date
EP2264319B1 (fr) 2017-01-11
CN101900119A (zh) 2010-12-01
JP2010275931A (ja) 2010-12-09
EP2264319A2 (fr) 2010-12-22
CN101900119B (zh) 2013-10-30
JP5422260B2 (ja) 2014-02-19

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