FR2472094B1 - Pompe a pistons rotatifs a plusieurs etages - Google Patents

Pompe a pistons rotatifs a plusieurs etages

Info

Publication number
FR2472094B1
FR2472094B1 FR8027046A FR8027046A FR2472094B1 FR 2472094 B1 FR2472094 B1 FR 2472094B1 FR 8027046 A FR8027046 A FR 8027046A FR 8027046 A FR8027046 A FR 8027046A FR 2472094 B1 FR2472094 B1 FR 2472094B1
Authority
FR
France
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.)
Expired
Application number
FR8027046A
Other languages
English (en)
Other versions
FR2472094A1 (fr
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.)
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 FR2472094A1 publication Critical patent/FR2472094A1/fr
Application granted granted Critical
Publication of FR2472094B1 publication Critical patent/FR2472094B1/fr
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
    • 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)
FR8027046A 1979-12-21 1980-12-19 Pompe a pistons rotatifs a plusieurs etages Expired FR2472094B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792951591 DE2951591A1 (de) 1979-12-21 1979-12-21 Mehrstufige waelzkolbenpumpe

Publications (2)

Publication Number Publication Date
FR2472094A1 FR2472094A1 (fr) 1981-06-26
FR2472094B1 true FR2472094B1 (fr) 1987-07-10

Family

ID=6089179

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8027046A Expired FR2472094B1 (fr) 1979-12-21 1980-12-19 Pompe a pistons rotatifs a plusieurs etages

Country Status (11)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4232119A1 (de) * 1992-09-25 1994-03-31 Mes Und Regeltechnik Geraeteba Regelung einer Wälzkolbenpumpe
GB2282853A (en) * 1993-10-13 1995-04-19 Abertech Ind Rotary positive displacement pump.
KR100966898B1 (ko) * 2008-08-04 2010-06-30 황금택 무소음 가압 송풍기
RU2621457C2 (ru) * 2014-10-17 2017-06-06 Валерий Владимирович Мишнаевский Компрессор
DE202017003212U1 (de) * 2017-06-17 2018-09-18 Leybold Gmbh Mehrstufige Wälzkolbenpumpe
CN108180143B (zh) * 2018-01-25 2021-05-07 曹桂林 相切圆转子副、压缩机及发动机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR951230A (fr) * 1946-07-11 1949-10-19 Roots Connersville Blower Corp Perfectionnements aux pompes rotatives
CH350116A (de) * 1955-07-19 1960-11-15 Liquid Controls Corp Rotations-Verdrängungsmaschine für Flüssigkeit
GB784554A (en) * 1955-08-30 1957-10-09 Clifford Edmund Brewer Improvements in or relating to rotary motors, compressors or the like
FR1290474A (fr) * 1961-04-26 1962-04-13 Rotor Societa Meccanica Italia Mécanisme destiné à déterminer des chambres à volume réglable et variable cycliquement
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
FR2472094A1 (fr) 1981-06-26
IT1134772B (it) 1986-08-13
AR223087A1 (es) 1981-07-15
GB2065776A (en) 1981-07-01
CH650562A5 (de) 1985-07-31
BR8008319A (pt) 1981-07-07
AU543259B2 (en) 1985-04-18
NL8002614A (nl) 1981-07-16
GB2065776B (en) 1984-05-02
IT8026735A0 (it) 1980-12-18
ZA807955B (en) 1982-02-24
AU6554980A (en) 1981-06-25
JPS56132489A (en) 1981-10-16
DE2951591A1 (de) 1981-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse