AR223087A1 - ROTARY PISTON PUMP WITH SEVERAL STAGES - Google Patents

ROTARY PISTON PUMP WITH SEVERAL STAGES

Info

Publication number
AR223087A1
AR223087A1 AR283735A AR28373580A AR223087A1 AR 223087 A1 AR223087 A1 AR 223087A1 AR 283735 A AR283735 A AR 283735A AR 28373580 A AR28373580 A AR 28373580A AR 223087 A1 AR223087 A1 AR 223087A1
Authority
AR
Argentina
Prior art keywords
piston pump
rotary piston
several stages
stages
several
Prior art date
Application number
AR283735A
Other languages
Spanish (es)
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
Application granted granted Critical
Publication of AR223087A1 publication Critical patent/AR223087A1/en

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)
AR283735A 1979-12-21 1980-12-19 ROTARY PISTON PUMP WITH SEVERAL STAGES AR223087A1 (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
AR223087A1 true AR223087A1 (en) 1981-07-15

Family

ID=6089179

Family Applications (1)

Application Number Title Priority Date Filing Date
AR283735A AR223087A1 (en) 1979-12-21 1980-12-19 ROTARY PISTON PUMP WITH SEVERAL STAGES

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
ZA807955B (en) 1982-02-24
AU6554980A (en) 1981-06-25
IT8026735A0 (en) 1980-12-18
NL8002614A (en) 1981-07-16
CH650562A5 (en) 1985-07-31
DE2951591A1 (en) 1981-07-02
BR8008319A (en) 1981-07-07
FR2472094B1 (en) 1987-07-10
GB2065776A (en) 1981-07-01
GB2065776B (en) 1984-05-02
IT1134772B (en) 1986-08-13
FR2472094A1 (en) 1981-06-26
AU543259B2 (en) 1985-04-18
JPS56132489A (en) 1981-10-16

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