GB9010434D0 - A multi-stage vacuum pump - Google Patents

A multi-stage vacuum pump

Info

Publication number
GB9010434D0
GB9010434D0 GB909010434A GB9010434A GB9010434D0 GB 9010434 D0 GB9010434 D0 GB 9010434D0 GB 909010434 A GB909010434 A GB 909010434A GB 9010434 A GB9010434 A GB 9010434A GB 9010434 D0 GB9010434 D0 GB 9010434D0
Authority
GB
United Kingdom
Prior art keywords
vacuum pump
stage vacuum
stage
pump
vacuum
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.)
Withdrawn
Application number
GB909010434A
Other versions
GB2232445A (en
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.)
Medizin und Labortechnik Leipzig VEB
Original Assignee
Medizin und Labortechnik Leipzig VEB
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 Medizin und Labortechnik Leipzig VEB filed Critical Medizin und Labortechnik Leipzig VEB
Publication of GB9010434D0 publication Critical patent/GB9010434D0/en
Publication of GB2232445A publication Critical patent/GB2232445A/en
Withdrawn legal-status Critical Current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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/02—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for several pumps connected in series or in parallel
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
GB9010434A 1989-05-09 1990-05-09 A multi-stage vacuum pump Withdrawn GB2232445A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD32839489A DD283190A5 (en) 1989-05-09 1989-05-09 MULTI-STAGE VACUUM PUMP

Publications (2)

Publication Number Publication Date
GB9010434D0 true GB9010434D0 (en) 1990-06-27
GB2232445A GB2232445A (en) 1990-12-12

Family

ID=5609031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9010434A Withdrawn GB2232445A (en) 1989-05-09 1990-05-09 A multi-stage vacuum pump

Country Status (4)

Country Link
DD (1) DD283190A5 (en)
DE (1) DE4001668A1 (en)
FR (1) FR2646881A1 (en)
GB (1) GB2232445A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3736921A (en) * 1970-11-25 1973-06-05 S Kawada Facial massager
DE4026669C1 (en) * 1990-08-23 1992-02-20 Alcatel Hochvakuumtechnik Gmbh, 6980 Wertheim, De Mechanical vacuum pump - has cylindrical bore in housing with parallel inlet and outlet lines and rotor with spring-loaded vanes
JPH06185482A (en) * 1992-12-22 1994-07-05 Nippon Soken Inc Vane type compressor
DE102009017452B4 (en) * 2009-04-07 2011-03-03 Joma-Polytec Gmbh Oil pump
DE102012220608B3 (en) * 2012-11-13 2013-11-14 Joma-Polytec Gmbh Pumping device for diagnostic device, has multiple pumps formed as vane pumps, where suction pump and pressure pump are arranged in pumping module, and one of vane pumps is driven by drive motor, where bearing is press fitted on drive shaft
CN103982429B (en) * 2014-02-18 2016-02-17 浙江飞越机电有限公司 Composite vacuum pump pump chamber structure and the vacuum pump using method with this pump chamber structure
DE102015008162A1 (en) * 2015-01-22 2016-07-28 Liebherr-Hausgeräte Lienz Gmbh Apparatus and method for the parallel evacuation of several vacuum insulation bodies
WO2016168057A1 (en) * 2015-04-13 2016-10-20 Carrier Corporation Two-stage spool compressor
EP3489516B1 (en) * 2017-11-24 2021-09-01 Pfeiffer Vacuum Gmbh Vacuum pump

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662121A (en) * 1949-08-09 1951-11-28 Kinney Mfg Company Vacuum pumps
US3173606A (en) * 1963-04-03 1965-03-16 New York Air Brake Co Pump
DE2520464C2 (en) * 1975-05-07 1983-03-10 Linde Ag, 6200 Wiesbaden Oil-flooded refrigerant compressor
JPS6460795A (en) * 1987-08-31 1989-03-07 Toshiba Corp Rotary compressor

Also Published As

Publication number Publication date
FR2646881A1 (en) 1990-11-16
DE4001668A1 (en) 1990-11-15
GB2232445A (en) 1990-12-12
DD283190A5 (en) 1990-10-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)