TW201030237A - Rotary vacuum pump - Google Patents

Rotary vacuum pump Download PDF

Info

Publication number
TW201030237A
TW201030237A TW098142181A TW98142181A TW201030237A TW 201030237 A TW201030237 A TW 201030237A TW 098142181 A TW098142181 A TW 098142181A TW 98142181 A TW98142181 A TW 98142181A TW 201030237 A TW201030237 A TW 201030237A
Authority
TW
Taiwan
Prior art keywords
pump
rotating shaft
rotor
vacuum pump
rotary vacuum
Prior art date
Application number
TW098142181A
Other languages
English (en)
Chinese (zh)
Inventor
Shinya Yamamoto
Ryosuke Koshizaka
Takao Mishina
Yoshinari Suzuki
Osamu Uchiyama
Original Assignee
Toyota Jidoshokki Kk
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 Toyota Jidoshokki Kk filed Critical Toyota Jidoshokki Kk
Publication of TW201030237A publication Critical patent/TW201030237A/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
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps 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
    • 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
    • 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
    • F04C18/18—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 similar tooth forms
    • 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
    • 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
    • F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
TW098142181A 2008-12-11 2009-12-10 Rotary vacuum pump TW201030237A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008315204 2008-12-11
JP2009277492A JP2010159740A (ja) 2008-12-11 2009-12-07 回転式真空ポンプ

Publications (1)

Publication Number Publication Date
TW201030237A true TW201030237A (en) 2010-08-16

Family

ID=42104436

Family Applications (1)

Application Number Title Priority Date Filing Date
TW098142181A TW201030237A (en) 2008-12-11 2009-12-10 Rotary vacuum pump

Country Status (5)

Country Link
US (1) US20100150760A1 (fr)
EP (1) EP2196675A2 (fr)
JP (1) JP2010159740A (fr)
KR (1) KR20100067632A (fr)
TW (1) TW201030237A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI611101B (zh) * 2011-08-17 2018-01-11 藍伯德股份有限公司 魯氏泵

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103104437B (zh) * 2011-11-11 2015-04-01 中国科学院沈阳科学仪器研制中心有限公司 一种真空泵密封结构
JP5578159B2 (ja) 2011-11-18 2014-08-27 株式会社豊田自動織機 車両用圧縮機
DE102013200410B4 (de) * 2013-01-14 2017-12-07 Schwäbische Hüttenwerke Automotive GmbH Gaspumpe mit Druckentlastung zur Reduzierung des Anfahrdrehmoments
CN107429609A (zh) * 2015-03-16 2017-12-01 伊顿公司 预加载轴承
DE202016001950U1 (de) * 2016-03-30 2017-07-03 Leybold Gmbh Vakuumpumpe
DE102016216279A1 (de) * 2016-08-30 2018-03-01 Leybold Gmbh Vakuumpumpen-Schraubenrotor
GB201700998D0 (en) * 2017-01-20 2017-03-08 Edwards Ltd Multi-stage vacuum booster pump coupling
GB201701000D0 (en) 2017-01-20 2017-03-08 Edwards Ltd Multi-stage vacuum booster pump coupling
CN110678650B (zh) * 2017-05-30 2021-08-06 株式会社爱发科 真空泵
CN110714916A (zh) * 2019-10-14 2020-01-21 爱德华真空设备股份有限公司 多叶定轨式罗茨泵
CN114607599B (zh) * 2020-12-09 2023-05-02 东北大学 一种多级罗茨真空泵
GB2608381A (en) * 2021-06-29 2023-01-04 Edwards Korea Ltd Stator assembly for a roots vacuum pump
FR3136262B1 (fr) * 2022-06-03 2024-08-09 Pfeiffer Vacuum Pompe à vide et procédé de montage
CN116123091A (zh) * 2022-12-23 2023-05-16 中科仪(南通)半导体设备有限责任公司 一种真空干泵转子型线
EP4698769A1 (fr) * 2023-04-21 2026-02-25 Eaton Intelligent Power Limited Pompe électrique à recirculation des gaz d'échappement (egr)
CN116447139B (zh) * 2023-04-24 2024-05-17 北京通嘉宏瑞科技有限公司 定子及真空泵

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI611101B (zh) * 2011-08-17 2018-01-11 藍伯德股份有限公司 魯氏泵

Also Published As

Publication number Publication date
EP2196675A2 (fr) 2010-06-16
KR20100067632A (ko) 2010-06-21
JP2010159740A (ja) 2010-07-22
US20100150760A1 (en) 2010-06-17

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