JPH0370119B2 - - Google Patents

Info

Publication number
JPH0370119B2
JPH0370119B2 JP60074245A JP7424585A JPH0370119B2 JP H0370119 B2 JPH0370119 B2 JP H0370119B2 JP 60074245 A JP60074245 A JP 60074245A JP 7424585 A JP7424585 A JP 7424585A JP H0370119 B2 JPH0370119 B2 JP H0370119B2
Authority
JP
Japan
Prior art keywords
screw block
stage
casing
gear
block
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
JP60074245A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61234290A (ja
Inventor
Kotaro Naya
Yasuo Takahashi
Katsumi Matsubara
Riichi Uchida
Seiji Tsuru
Masatoshi Muramatsu
Naoyuki Tanaka
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 JP7424585A priority Critical patent/JPS61234290A/ja
Publication of JPS61234290A publication Critical patent/JPS61234290A/ja
Publication of JPH0370119B2 publication Critical patent/JPH0370119B2/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
    • 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
    • F04C23/001—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 of similar working principle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
JP7424585A 1985-04-10 1985-04-10 多段スクリユ−真空ポンプ装置 Granted JPS61234290A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7424585A JPS61234290A (ja) 1985-04-10 1985-04-10 多段スクリユ−真空ポンプ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7424585A JPS61234290A (ja) 1985-04-10 1985-04-10 多段スクリユ−真空ポンプ装置

Publications (2)

Publication Number Publication Date
JPS61234290A JPS61234290A (ja) 1986-10-18
JPH0370119B2 true JPH0370119B2 (enrdf_load_html_response) 1991-11-06

Family

ID=13541581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7424585A Granted JPS61234290A (ja) 1985-04-10 1985-04-10 多段スクリユ−真空ポンプ装置

Country Status (1)

Country Link
JP (1) JPS61234290A (enrdf_load_html_response)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPH0518382A (ja) * 1991-07-10 1993-01-26 Ebara Corp スクリユー形真空ポンプ
KR20040106695A (ko) * 2003-06-11 2004-12-18 이기춘 포인펌프
US8251678B2 (en) * 2006-01-31 2012-08-28 Ebara Corporation Vacuum pump unit
JP6581897B2 (ja) * 2015-12-25 2019-09-25 株式会社神戸製鋼所 スクリュ圧縮機
CN115726962B (zh) * 2022-12-15 2023-05-30 淄博水环真空泵厂有限公司 一种气量可调整的水环泵抽真空系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5167510A (ja) * 1974-12-10 1976-06-11 Kobe Steel Ltd Takitosukuryuushikiatsushukuki
JPS5535168A (en) * 1978-09-06 1980-03-12 Hitachi Ltd Screw type fluid machine

Also Published As

Publication number Publication date
JPS61234290A (ja) 1986-10-18

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term