KR20000034894A - 루트펌프 및 펌프장치 - Google Patents

루트펌프 및 펌프장치 Download PDF

Info

Publication number
KR20000034894A
KR20000034894A KR1019990031036A KR19990031036A KR20000034894A KR 20000034894 A KR20000034894 A KR 20000034894A KR 1019990031036 A KR1019990031036 A KR 1019990031036A KR 19990031036 A KR19990031036 A KR 19990031036A KR 20000034894 A KR20000034894 A KR 20000034894A
Authority
KR
South Korea
Prior art keywords
pump
gear
root
drive
pump chamber
Prior art date
Application number
KR1019990031036A
Other languages
English (en)
Korean (ko)
Inventor
우찌야마오사무
우에쓰지기요시
호시노노부아끼
고또구니후미
Original Assignee
이시카와 타다시
가부시키가이샤 도요다지도숏키 세이사쿠쇼
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 이시카와 타다시, 가부시키가이샤 도요다지도숏키 세이사쿠쇼 filed Critical 이시카와 타다시
Publication of KR20000034894A publication Critical patent/KR20000034894A/ko

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)
KR1019990031036A 1998-11-27 1999-07-29 루트펌프 및 펌프장치 KR20000034894A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP98-337216 1998-11-27
JP10337216A JP2000161269A (ja) 1998-11-27 1998-11-27 ルーツポンプ及びポンプ装置

Publications (1)

Publication Number Publication Date
KR20000034894A true KR20000034894A (ko) 2000-06-26

Family

ID=18306541

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019990031036A KR20000034894A (ko) 1998-11-27 1999-07-29 루트펌프 및 펌프장치

Country Status (4)

Country Link
JP (1) JP2000161269A (nl)
KR (1) KR20000034894A (nl)
DE (1) DE19957024A1 (nl)
NL (1) NL1013677C2 (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007027318A1 (de) * 2007-06-14 2008-12-18 Obrist Engineering Gmbh Rotationskolbenmaschine
CN101985937B (zh) * 2010-11-30 2012-10-17 东北大学 一种三轴爪型真空泵
CN101985935B (zh) * 2010-11-30 2012-12-26 东北大学 一种三轴罗茨真空泵
CN101985938A (zh) * 2010-11-30 2011-03-16 东北大学 一种具有螺杆和罗茨转子的三轴复合干泵
CN101985936B (zh) * 2010-11-30 2012-06-27 东北大学 一种非对称爪型真空泵
CN103994070A (zh) * 2014-05-22 2014-08-20 威海智德真空科技有限公司 螺杆真空泵及压缩机的转子星系布局结构
CN110594156B (zh) * 2019-09-23 2021-05-25 兑通真空技术(上海)有限公司 一种三轴多级罗茨泵的驱动结构
CN114607600B (zh) * 2020-12-09 2023-03-21 东北大学 一种新型多级罗茨真空泵

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB504385A (en) * 1937-09-29 1939-04-25 Fletcher & Winterbottom Ltd Improvements in or relating to rotary blowers or compressors
DE1243816B (de) * 1959-11-04 1967-07-06 Leybolds Nachfolger E Mehrstufige Drehkolbenvakuumpumpe vom Rootstyp
GB8617612D0 (en) * 1986-07-18 1986-08-28 Peabody Holmes Ltd Gas moving device
JP2537696B2 (ja) * 1990-09-21 1996-09-25 株式会社荏原製作所 多段真空ポンプ
DE19503716C1 (de) * 1995-02-04 1996-03-28 K Busch Gmbh Druck & Vakuum Dr Zweiwellige Drehkolbenpumpe zur gleichzeitigen Erzeugung von Unterdruck und von Überdruck

Also Published As

Publication number Publication date
NL1013677C2 (nl) 2001-01-30
NL1013677A1 (nl) 2000-05-30
JP2000161269A (ja) 2000-06-13
DE19957024A1 (de) 2000-06-29

Similar Documents

Publication Publication Date Title
CA2273776A1 (en) Hermetic compressor assembly having a suction chamber and twin axially disposed discharge chambers
CN201396281Y (zh) 多级三叶罗茨真空泵
KR0151320B1 (ko) 복합 드라이 진공 펌프
EP1703132A3 (en) Rotary vane compressor
US4639199A (en) Two-shaft vacuum pump with internal compression
CN100465450C (zh) 具有罗茨转子和螺旋转子的组合干式真空泵
KR100485429B1 (ko) 진공펌프
KR20000034894A (ko) 루트펌프 및 펌프장치
JP2021513023A (ja) 多段ルーツ型ドライ真空ポンプ
KR850001182Y1 (ko) 밀폐형 압축기
CN1034604C (zh) 旋转压缩机的压缩气体排出装置
KR20000047492A (ko) 다단 루츠펌프 및 다단 펌프장치
US6129534A (en) Vacuum pumps
EP0965758B1 (en) Vacuum pump
US4211522A (en) Oil-injected rotary compressors
US4636154A (en) Horizontal type rotary compressor
GB2175956A (en) Dealing with leakage between pump stages
US5259740A (en) Rotary compressor
JP4167456B2 (ja) 電動圧縮機
CN114607600B (zh) 一种新型多级罗茨真空泵
US5846066A (en) Vacuum pumps with claw-type rotor and roots-type rotor near the outlet
CN1928364A (zh) 一种液压电机齿轮泵
CN200989300Y (zh) 一种液压电机内啮合齿轮泵
JP2000199413A (ja) エンジンのオイルポンプ
KR100624982B1 (ko) 복수 단의 루츠형 로터와 스크루형 로터를 지닌 복합드라이 진공 펌프

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application