CH650562A5 - Mehrstufige waelzkolbenpumpe zur foerderung von gasen. - Google Patents

Mehrstufige waelzkolbenpumpe zur foerderung von gasen. Download PDF

Info

Publication number
CH650562A5
CH650562A5 CH9441/80A CH944180A CH650562A5 CH 650562 A5 CH650562 A5 CH 650562A5 CH 9441/80 A CH9441/80 A CH 9441/80A CH 944180 A CH944180 A CH 944180A CH 650562 A5 CH650562 A5 CH 650562A5
Authority
CH
Switzerland
Prior art keywords
roots pump
pump according
gas
pistons
working pistons
Prior art date
Application number
CH9441/80A
Other languages
German (de)
English (en)
Inventor
Juergen Steinmueller
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 CH650562A5 publication Critical patent/CH650562A5/de

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)
CH9441/80A 1979-12-21 1980-12-22 Mehrstufige waelzkolbenpumpe zur foerderung von gasen. CH650562A5 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH650562A5 true CH650562A5 (de) 1985-07-31

Family

ID=6089179

Family Applications (1)

Application Number Title Priority Date Filing Date
CH9441/80A CH650562A5 (de) 1979-12-21 1980-12-22 Mehrstufige waelzkolbenpumpe zur foerderung von gasen.

Country Status (11)

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

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
GB2065776B (en) 1984-05-02
AR223087A1 (es) 1981-07-15
FR2472094A1 (fr) 1981-06-26
IT1134772B (it) 1986-08-13
GB2065776A (en) 1981-07-01
AU6554980A (en) 1981-06-25
IT8026735A0 (it) 1980-12-18
ZA807955B (en) 1982-02-24
AU543259B2 (en) 1985-04-18
JPS56132489A (en) 1981-10-16
BR8008319A (pt) 1981-07-07
DE2951591A1 (de) 1981-07-02
NL8002614A (nl) 1981-07-16
FR2472094B1 (fr) 1987-07-10

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Legal Events

Date Code Title Description
PL Patent ceased