JPS56132489A - Multi-stage rotary piston pump - Google Patents

Multi-stage rotary piston pump

Info

Publication number
JPS56132489A
JPS56132489A JP18181380A JP18181380A JPS56132489A JP S56132489 A JPS56132489 A JP S56132489A JP 18181380 A JP18181380 A JP 18181380A JP 18181380 A JP18181380 A JP 18181380A JP S56132489 A JPS56132489 A JP S56132489A
Authority
JP
Japan
Prior art keywords
piston pump
rotary piston
stage rotary
stage
pump
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.)
Pending
Application number
JP18181380A
Other languages
Japanese (ja)
Inventor
Shiyutainmiyuuraa Yurugen
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.)
PFEIFFER VAKUUMTECHNIK
Original Assignee
PFEIFFER VAKUUMTECHNIK
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 PFEIFFER VAKUUMTECHNIK filed Critical PFEIFFER VAKUUMTECHNIK
Publication of JPS56132489A publication Critical patent/JPS56132489A/en
Pending 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
JP18181380A 1979-12-21 1980-12-22 Multi-stage rotary piston pump Pending JPS56132489A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS56132489A true JPS56132489A (en) 1981-10-16

Family

ID=6089179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18181380A Pending JPS56132489A (en) 1979-12-21 1980-12-22 Multi-stage rotary piston 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011530042A (en) * 2008-08-04 2011-12-15 テク ファン，グム Noiseless pressure blower

Families Citing this family (5)

* 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.
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011530042A (en) * 2008-08-04 2011-12-15 テク ファン，グム Noiseless pressure blower

Also Published As

Publication number Publication date
DE2951591A1 (en) 1981-07-02
BR8008319A (en) 1981-07-07
IT1134772B (en) 1986-08-13
NL8002614A (en) 1981-07-16
FR2472094A1 (en) 1981-06-26
IT8026735A0 (en) 1980-12-18
GB2065776B (en) 1984-05-02
AU6554980A (en) 1981-06-25
AU543259B2 (en) 1985-04-18
CH650562A5 (en) 1985-07-31
AR223087A1 (en) 1981-07-15
FR2472094B1 (en) 1987-07-10
GB2065776A (en) 1981-07-01
ZA807955B (en) 1982-02-24

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