AU543259B2 - Multistage rotary pump - Google Patents

Multistage rotary pump

Info

Publication number: AU543259B2
Authority: AU; Australia
Prior art keywords: rotary pump; multistage rotary; multistage; pump; rotary
Prior art date: 1979-12-21
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.): Ceased

Application number

AU65549/80A

Other versions

AU6554980A (en

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.)

A Pfeifer Vakuumtechnik Wetzler

Original Assignee

PFEIFFER VAKUUMTECHNIK A WETZL

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.)

1979-12-21

Filing date

1980-12-19

Publication date

1985-04-18

1980-12-19 Application filed by PFEIFFER VAKUUMTECHNIK A WETZL filed Critical PFEIFFER VAKUUMTECHNIK A WETZL

1981-06-25 Publication of AU6554980A publication Critical patent/AU6554980A/en

1985-04-18 Application granted granted Critical

1985-04-18 Publication of AU543259B2 publication Critical patent/AU543259B2/en

2000-12-19 Anticipated expiration legal-status Critical

Status Ceased 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)

AU65549/80A 1979-12-21 1980-12-19 Multistage rotary pump Ceased AU543259B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE29515911		1979-12-21
DE19792951591 DE2951591A1 (en)	1979-12-21	1979-12-21	MULTI-STAGE ROLLING PISTON PUMP

Publications (2)

Publication Number	Publication Date
AU6554980A AU6554980A (en)	1981-06-25
AU543259B2 true AU543259B2 (en)	1985-04-18

Family

ID=6089179

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU65549/80A Ceased AU543259B2 (en)	1979-12-21	1980-12-19	Multistage rotary 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)

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	Noiseless pressurized blower
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

1979
- 1979-12-21 DE DE19792951591 patent/DE2951591A1/en not_active Withdrawn
1980
- 1980-05-07 NL NL8002614A patent/NL8002614A/en unknown
- 1980-10-23 GB GB8034256A patent/GB2065776B/en not_active Expired
- 1980-12-18 BR BR8008319A patent/BR8008319A/en unknown
- 1980-12-18 IT IT26735/80A patent/IT1134772B/en active
- 1980-12-19 AU AU65549/80A patent/AU543259B2/en not_active Ceased
- 1980-12-19 ZA ZA00807955A patent/ZA807955B/en unknown
- 1980-12-19 FR FR8027046A patent/FR2472094B1/en not_active Expired
- 1980-12-19 AR AR283735A patent/AR223087A1/en active
- 1980-12-22 CH CH9441/80A patent/CH650562A5/en not_active IP Right Cessation
- 1980-12-22 JP JP18181380A patent/JPS56132489A/en active Pending

Also Published As

Publication number	Publication date
FR2472094B1 (en)	1987-07-10
JPS56132489A (en)	1981-10-16
AR223087A1 (en)	1981-07-15
DE2951591A1 (en)	1981-07-02
IT8026735A0 (en)	1980-12-18
ZA807955B (en)	1982-02-24
CH650562A5 (en)	1985-07-31
BR8008319A (en)	1981-07-07
GB2065776B (en)	1984-05-02
AU6554980A (en)	1981-06-25
FR2472094A1 (en)	1981-06-26
IT1134772B (en)	1986-08-13
GB2065776A (en)	1981-07-01
NL8002614A (en)	1981-07-16

Publication	Publication Date	Title
AU530176B2 (en)	1983-07-07	Scroll pump
AU527564B2 (en)	1983-03-10	Pump having variable discharge
AU529202B2 (en)	1983-05-26	Pump shaft seal
AU6119180A (en)	1981-02-12	Centrifugal dredge pump
JPS566089A (en)	1981-01-22	Displacement rotary pump
AU538946B2 (en)	1984-09-06	Pumping concrete
AU546332B2 (en)	1985-08-29	Rotary fuel pump
AU543878B2 (en)	1985-05-09	Rotor
AU543578B2 (en)	1985-04-26	Magnetically coupled rotary pump
AU6733281A (en)	1982-08-26	Deep well pump
JPS5598693A (en)	1980-07-26	High vacuum rotary pump
AU5665580A (en)	1980-09-25	Moving-wall type pump
AU539885B2 (en)	1984-10-18	Rotary compressor
AU5935080A (en)	1981-01-08	Piston pump
JPS55139993A (en)	1980-11-01	Vane pump
AU5711480A (en)	1980-10-09	Rotor
AU543259B2 (en)	1985-04-18	Multistage rotary pump
AU536762B2 (en)	1984-05-24	Rotary piston pump
JPS55114895A (en)	1980-09-04	Displacementttype rotary pump
AU5139579A (en)	1980-05-15	Multistage compressor
AU5283079A (en)	1980-08-07	Screw pump
GB2047810B (en)	1983-05-18	Rotary pumps
GB2058923B (en)	1983-04-20	Vane pump
AU4819179A (en)	1980-01-03	Pump
AU532976B2 (en)	1983-10-20	Rotary fuel pump