AU6554980A - Multistage rotary pump - Google Patents

Multistage rotary pump

Info

Publication number
AU6554980A
AU6554980A AU65549/80A AU6554980A AU6554980A AU 6554980 A AU6554980 A AU 6554980A AU 65549/80 A AU65549/80 A AU 65549/80A AU 6554980 A AU6554980 A AU 6554980A AU 6554980 A AU6554980 A AU 6554980A
Authority
AU
Australia
Prior art keywords
rotary pump
multistage rotary
multistage
pump
rotary
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.)
Granted
Application number
AU65549/80A
Other versions
AU543259B2 (en
Inventor
Jurgen Steinmuller
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.)
A Pfeifer Vakuumtechnik Wetzler
Original Assignee
A Pfeifer Vakuumtechnik Wetzler
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 A Pfeifer Vakuumtechnik Wetzler filed Critical A Pfeifer Vakuumtechnik Wetzler
Publication of AU6554980A publication Critical patent/AU6554980A/en
Application granted granted Critical
Publication of AU543259B2 publication Critical patent/AU543259B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • F04C18/20—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 dissimilar tooth forms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary-Type Compressors (AREA)
  • Rotary Pumps (AREA)
AU65549/80A 1979-12-21 1980-12-19 Multistage rotary pump Ceased AU543259B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792951591 DE2951591A1 (en) 1979-12-21 1979-12-21 MULTI-STAGE ROLLING PISTON PUMP
DE29515911 1979-12-21

Publications (2)

Publication Number Publication Date
AU6554980A true AU6554980A (en) 1981-06-25
AU543259B2 AU543259B2 (en) 1985-04-18

Family

ID=6089179

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65549/80A Ceased AU543259B2 (en) 1979-12-21 1980-12-19 Multistage rotary pump

Country Status (11)

Country Link
JP (1) JPS56132489A (en)
AR (1) AR223087A1 (en)
AU (1) AU543259B2 (en)
BR (1) BR8008319A (en)
CH (1) CH650562A5 (en)
DE (1) DE2951591A1 (en)
FR (1) FR2472094B1 (en)
GB (1) GB2065776B (en)
IT (1) IT1134772B (en)
NL (1) NL8002614A (en)
ZA (1) ZA807955B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4232119A1 (en) * 1992-09-25 1994-03-31 Mes Und Regeltechnik Geraeteba Double shaft vacuum roots pump - has two rotors forming working and control pistons and housing having overflow valve in discharge aperture with excess pressure valves in side parts on pressure socket
GB2282853A (en) * 1993-10-13 1995-04-19 Abertech Ind Rotary positive displacement pump.
KR100966898B1 (en) * 2008-08-04 2010-06-30 황금택 A mute blower working with high air-presser
RU2621457C2 (en) * 2014-10-17 2017-06-06 Валерий Владимирович Мишнаевский Compressor
DE202017003212U1 (en) * 2017-06-17 2018-09-18 Leybold Gmbh Multi-stage Roots pump
CN108180143B (en) * 2018-01-25 2021-05-07 曹桂林 Tangent circle rotor pair, compressor and engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR951230A (en) * 1946-07-11 1949-10-19 Roots Connersville Blower Corp Improvements to rotary pumps
CH350116A (en) * 1955-07-19 1960-11-15 Liquid Controls Corp Rotary displacement machine for liquid
GB784554A (en) * 1955-08-30 1957-10-09 Clifford Edmund Brewer Improvements in or relating to rotary motors, compressors or the like
FR1290474A (en) * 1961-04-26 1962-04-13 Rotor Societa Meccanica Italia Mechanism for determining chambers with adjustable and cyclically variable volume
GB1031991A (en) * 1963-03-04 1966-06-08 Bryan Donkin Co Ltd Improvements in or relating to apparatus for compressing air or other gas

Also Published As

Publication number Publication date
DE2951591A1 (en) 1981-07-02
IT1134772B (en) 1986-08-13
NL8002614A (en) 1981-07-16
GB2065776B (en) 1984-05-02
BR8008319A (en) 1981-07-07
JPS56132489A (en) 1981-10-16
GB2065776A (en) 1981-07-01
CH650562A5 (en) 1985-07-31
IT8026735A0 (en) 1980-12-18
AR223087A1 (en) 1981-07-15
AU543259B2 (en) 1985-04-18
ZA807955B (en) 1982-02-24
FR2472094B1 (en) 1987-07-10
FR2472094A1 (en) 1981-06-26

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