GB2065776B - Rotary-piston fluid-machines - Google Patents

Rotary-piston fluid-machines

Info

Publication number
GB2065776B
GB2065776B GB8034256A GB8034256A GB2065776B GB 2065776 B GB2065776 B GB 2065776B GB 8034256 A GB8034256 A GB 8034256A GB 8034256 A GB8034256 A GB 8034256A GB 2065776 B GB2065776 B GB 2065776B
Authority
GB
United Kingdom
Prior art keywords
machines
rotary
piston fluid
piston
fluid
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
GB8034256A
Other versions
GB2065776A (en
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 GB2065776A publication Critical patent/GB2065776A/en
Application granted granted Critical
Publication of GB2065776B publication Critical patent/GB2065776B/en
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)
GB8034256A 1979-12-21 1980-10-23 Rotary-piston fluid-machines Expired GB2065776B (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 (2)

Publication Number Publication Date
GB2065776A GB2065776A (en) 1981-07-01
GB2065776B true GB2065776B (en) 1984-05-02

Family

ID=6089179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8034256A Expired GB2065776B (en) 1979-12-21 1980-10-23 Rotary-piston fluid-machines

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
IT1134772B (en) 1986-08-13
AR223087A1 (en) 1981-07-15
GB2065776A (en) 1981-07-01
DE2951591A1 (en) 1981-07-02
JPS56132489A (en) 1981-10-16
IT8026735A0 (en) 1980-12-18
BR8008319A (en) 1981-07-07
AU543259B2 (en) 1985-04-18
FR2472094B1 (en) 1987-07-10
AU6554980A (en) 1981-06-25
CH650562A5 (en) 1985-07-31
NL8002614A (en) 1981-07-16
FR2472094A1 (en) 1981-06-26
ZA807955B (en) 1982-02-24

Similar Documents

Publication Publication Date Title
CS216180A2 (en) Zpusob vyroby oplatek
CS375080A2 (en) Vstrikovaci cerpadlo
CS486180A2 (en) Zpusob vyroby n-fosfonomethylglycinu
CS458380A2 (en) Zpusob vyroby tripeptidamidu
CS265980A1 (en) Zpusob torkretovani vyzdivky hutnich agregatu rozptylovym kuzelem
CS458480A2 (en) Zpusob vyroby tripeptidamidu
GB2065776B (en) Rotary-piston fluid-machines
CS149380A2 (en) Zpusob cisteni merkaptobenzothiazolu
CS518580A2 (en) Proslupni ustroji tkaciho stroje
GB2019941B (en) Rotary-piston fluid-machine
JPS55120992A (en) Masterrslave type servoomanipulator
JPS5633291A (en) Masterrslave type servoomanipulator
JPS55101388A (en) Masterrsleeve type servoomanipulator
JPS55120993A (en) Masterrslave type servoomanipulator
GB2043069B (en) Basic thio-indazoles
GB2062455B (en) Case
JPS5633290A (en) Masterrslave type servoomanipulator
JPS5633289A (en) Masterrslave type servoomanipulator
JPS55106109A (en) Asseble type rucksuck
JPS55101387A (en) Masterrsleeve type servoomanipulator
CS175679A2 (en) Vodovaha
CA44955S (en) Citruspress
CA46372S (en) Sun-hole/windscreen-ii
CA45704S (en) Citruspress
CA46370S (en) Sun-hole/windscreen - i

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951023