JPS58131388A - スクリユ−圧縮機 - Google Patents

スクリユ−圧縮機

Info

Publication number
JPS58131388A
JPS58131388A JP1161582A JP1161582A JPS58131388A JP S58131388 A JPS58131388 A JP S58131388A JP 1161582 A JP1161582 A JP 1161582A JP 1161582 A JP1161582 A JP 1161582A JP S58131388 A JPS58131388 A JP S58131388A
Authority
JP
Japan
Prior art keywords
rotor
discharge
bypass hole
working space
rotors
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
JP1161582A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62358B2 (enrdf_load_stackoverflow
Inventor
Mitsuru Fujiwara
満 藤原
Hiroshi Torigoe
大資 鳥越
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 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
Priority to JP1161582A priority Critical patent/JPS58131388A/ja
Publication of JPS58131388A publication Critical patent/JPS58131388A/ja
Publication of JPS62358B2 publication Critical patent/JPS62358B2/ja
Granted 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary-Type Compressors (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
JP1161582A 1982-01-29 1982-01-29 スクリユ−圧縮機 Granted JPS58131388A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1161582A JPS58131388A (ja) 1982-01-29 1982-01-29 スクリユ−圧縮機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1161582A JPS58131388A (ja) 1982-01-29 1982-01-29 スクリユ−圧縮機

Publications (2)

Publication Number Publication Date
JPS58131388A true JPS58131388A (ja) 1983-08-05
JPS62358B2 JPS62358B2 (enrdf_load_stackoverflow) 1987-01-07

Family

ID=11782816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1161582A Granted JPS58131388A (ja) 1982-01-29 1982-01-29 スクリユ−圧縮機

Country Status (1)

Country Link
JP (1) JPS58131388A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211514A1 (en) 1985-06-29 1987-02-25 Hokuetsu Industries Co., Ltd. Rotary machine having screw rotor assembly
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
US6042352A (en) * 1998-08-12 2000-03-28 Argo-Tech Corporation Bearing with pulsed bleed configuration
JP2008082273A (ja) * 2006-09-28 2008-04-10 Hitachi Industrial Equipment Systems Co Ltd スクリュー圧縮機
JP2010275931A (ja) * 2009-05-28 2010-12-09 Hitachi Plant Technologies Ltd オイルフリースクリュー圧縮機
JP2013189925A (ja) * 2012-03-14 2013-09-26 Hitachi Industrial Equipment Systems Co Ltd スクリュー圧縮機
EP3245405B1 (en) 2015-01-15 2019-09-04 Atlas Copco Airpower Oil-injected vacuum pump element

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5695995B2 (ja) * 2011-07-25 2015-04-08 株式会社神戸製鋼所 ギアポンプ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610787A (en) * 1970-03-10 1971-10-05 Alexandr Ivanovich Borisoglebs Rotary screw machine
JPS54104514A (en) * 1978-02-03 1979-08-16 Akebono Brake Ind Brake assembly parts for brake motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610787A (en) * 1970-03-10 1971-10-05 Alexandr Ivanovich Borisoglebs Rotary screw machine
JPS54104514A (en) * 1978-02-03 1979-08-16 Akebono Brake Ind Brake assembly parts for brake motor

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211514A1 (en) 1985-06-29 1987-02-25 Hokuetsu Industries Co., Ltd. Rotary machine having screw rotor assembly
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
US6042352A (en) * 1998-08-12 2000-03-28 Argo-Tech Corporation Bearing with pulsed bleed configuration
JP2008082273A (ja) * 2006-09-28 2008-04-10 Hitachi Industrial Equipment Systems Co Ltd スクリュー圧縮機
US7862314B2 (en) 2006-09-28 2011-01-04 Hitachi Industrial Equipment Systems Co., Ltd. Screw compressor
JP2010275931A (ja) * 2009-05-28 2010-12-09 Hitachi Plant Technologies Ltd オイルフリースクリュー圧縮機
JP2013189925A (ja) * 2012-03-14 2013-09-26 Hitachi Industrial Equipment Systems Co Ltd スクリュー圧縮機
EP3245405B1 (en) 2015-01-15 2019-09-04 Atlas Copco Airpower Oil-injected vacuum pump element

Also Published As

Publication number Publication date
JPS62358B2 (enrdf_load_stackoverflow) 1987-01-07

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