CA1196615A - Gerotor vacuum pump - Google Patents

Gerotor vacuum pump

Info

Publication number
CA1196615A
CA1196615A CA000376422A CA376422A CA1196615A CA 1196615 A CA1196615 A CA 1196615A CA 000376422 A CA000376422 A CA 000376422A CA 376422 A CA376422 A CA 376422A CA 1196615 A CA1196615 A CA 1196615A
Authority
CA
Canada
Prior art keywords
pump
rotor
pumping chamber
inlet port
gas
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
Application number
CA000376422A
Other languages
English (en)
French (fr)
Inventor
David E. Hanson
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.)
Sargent Welch Scientific Co
Original Assignee
Sargent Welch Scientific Co
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 Sargent Welch Scientific Co filed Critical Sargent Welch Scientific Co
Application granted granted Critical
Publication of CA1196615A publication Critical patent/CA1196615A/en
Expired 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary-Type Compressors (AREA)
CA000376422A 1980-05-09 1981-04-28 Gerotor vacuum pump Expired CA1196615A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14845380A 1980-05-09 1980-05-09
US148,453 1980-05-09

Publications (1)

Publication Number Publication Date
CA1196615A true CA1196615A (en) 1985-11-12

Family

ID=22525844

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000376422A Expired CA1196615A (en) 1980-05-09 1981-04-28 Gerotor vacuum pump

Country Status (5)

Country Link
JP (1) JPS575588A (da)
CA (1) CA1196615A (da)
DE (1) DE3118297C2 (da)
FR (1) FR2482208B1 (da)
GB (1) GB2076059B (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6441686A (en) * 1987-08-06 1989-02-13 Giyuuji Negishi Trochoid pump
DE19945122B4 (de) * 1999-09-21 2004-08-12 Sauer-Danfoss Holding Aps Hydraulische Steuereinrichtung
CN100432437C (zh) * 2004-05-27 2008-11-12 乐金电子(天津)电器有限公司 齿轮型压缩机
CN100465446C (zh) * 2004-11-24 2009-03-04 乐金电子(天津)电器有限公司 齿轮型压缩机
GB0515494D0 (en) 2005-07-28 2005-08-31 Bamford Excavators Ltd Fluid pumping apparatus
DE102011089528B3 (de) * 2011-12-22 2013-04-11 Continental Automotive Gmbh Pumpe zum Pumpen von Luft

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE535266A (da) *
DE451437C (de) * 1924-03-14 1927-10-27 Hill Compressor And Pump Co In Seitendichtung fuer Zahnradverdichter oder -pumpen mit exzentrisch ineinanderliegenden Zahnraedern
GB751055A (en) * 1953-06-22 1956-06-27 Gen Motors Corp Improvements in rotary blowers and pumps of the positive displacement type
US3129875A (en) * 1962-02-20 1964-04-21 Fairchild Stratos Corp Rotary gas compressor
FR1345479A (fr) * 1963-01-25 1963-12-06 Borsig Ag Compresseur à pistons rotatifs
US3157350A (en) * 1963-06-11 1964-11-17 Ingersoll Rand Co Rotary fluid machine
US3272130A (en) * 1964-03-11 1966-09-13 Roper Ind Inc Multiple stage pump
US3399826A (en) * 1966-08-26 1968-09-03 Cenco Instr Corp Pump with auxiliary vacuum pumping stage
US3782868A (en) * 1971-11-26 1974-01-01 Componetrol Rotary vane pump
JPS515605A (ja) * 1974-07-06 1976-01-17 Anlet Kk Gyahonpugatapurowaa
JPS587839B2 (ja) * 1977-03-31 1983-02-12 東芝精機株式会社 油回転真空ポンプの油逆流防止装置
JPS5467211A (en) * 1977-11-09 1979-05-30 Anlet Kk Trochoid type blower
DE2942696A1 (de) * 1979-10-23 1981-04-30 Audi Nsu Auto Union Ag, 7107 Neckarsulm Einrichtung zur schmierung einer drehkolben-luftpumpe

Also Published As

Publication number Publication date
JPH0312236B2 (da) 1991-02-19
JPS575588A (en) 1982-01-12
DE3118297A1 (de) 1982-03-04
GB2076059A (en) 1981-11-25
FR2482208B1 (da) 1987-09-25
GB2076059B (en) 1984-06-20
DE3118297C2 (de) 1996-05-23
FR2482208A1 (da) 1981-11-13

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Legal Events

Date Code Title Description
MKEX Expiry
MKEX Expiry

Effective date: 20021112