TW436585B - Multi-stage roots pump and multi-stage pump device - Google Patents

Multi-stage roots pump and multi-stage pump device Download PDF

Info

Publication number
TW436585B
TW436585B TW088115060A TW88115060A TW436585B TW 436585 B TW436585 B TW 436585B TW 088115060 A TW088115060 A TW 088115060A TW 88115060 A TW88115060 A TW 88115060A TW 436585 B TW436585 B TW 436585B
Authority
TW
Taiwan
Prior art keywords
pump
stage
pump chamber
chamber
shafts
Prior art date
Application number
TW088115060A
Other languages
English (en)
Chinese (zh)
Inventor
Kunifumi Goto
Nobuaki Hoshino
Osamu Uchiyama
Original Assignee
Toyoda Automatic Loom Works
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 Toyoda Automatic Loom Works filed Critical Toyoda Automatic Loom Works
Application granted granted Critical
Publication of TW436585B publication Critical patent/TW436585B/zh

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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • 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
    • F04C18/126—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 radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots 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
    • 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)
TW088115060A 1998-12-04 1999-09-01 Multi-stage roots pump and multi-stage pump device TW436585B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10345011A JP2000170679A (ja) 1998-12-04 1998-12-04 多段ルーツポンプ及び多段ポンプ装置

Publications (1)

Publication Number Publication Date
TW436585B true TW436585B (en) 2001-05-28

Family

ID=18373687

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088115060A TW436585B (en) 1998-12-04 1999-09-01 Multi-stage roots pump and multi-stage pump device

Country Status (4)

Country Link
EP (1) EP1006281A1 (ja)
JP (1) JP2000170679A (ja)
KR (1) KR20000047492A (ja)
TW (1) TW436585B (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3941452B2 (ja) * 2001-10-17 2007-07-04 株式会社豊田自動織機 真空ポンプにおける運転停止制御方法及び運転停止制御装置
US6666666B1 (en) * 2002-05-28 2003-12-23 Denis Gilbert Multi-chamber positive displacement fluid device
JP2004211556A (ja) * 2002-12-26 2004-07-29 Toyota Industries Corp 真空ポンプ
JP3991918B2 (ja) * 2003-05-19 2007-10-17 株式会社豊田自動織機 ルーツポンプ
GB0319300D0 (en) * 2003-08-18 2003-09-17 Boc Group Plc Low pulsation booster pumps
KR100647012B1 (ko) 2006-07-28 2006-11-23 (주)엘오티베큠 루츠 로터와 스크루 로터 복합건식진공펌프
DE102008063281A1 (de) * 2008-12-29 2010-07-01 Oerlikon Leybold Vacuum Gmbh Vakuumpumpe
JP2014029115A (ja) * 2010-11-17 2014-02-13 Ulvac Japan Ltd 真空排気装置の接続構造及び真空排気システム
DE202014007117U1 (de) * 2014-09-05 2015-12-09 Oerlikon Leybold Vacuum Gmbh Klauenpumpe
DE202017001029U1 (de) * 2017-02-17 2018-05-18 Leybold Gmbh Mehrstufige Wälzkolbenpumpe
CN111692092B (zh) * 2020-05-25 2022-11-29 温州市格东机械有限公司 凸轮转子泵

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2088957B (en) * 1980-12-05 1984-12-12 Boc Ltd Rotary positive-displacement fluidmachines
JPS6210491A (ja) * 1985-07-09 1987-01-19 Shuichi Kitamura 複数段圧縮ポンプ
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
JP2000170679A (ja) 2000-06-20
KR20000047492A (ko) 2000-07-25
EP1006281A1 (en) 2000-06-07

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