ZA833087B - Roots-type pump - Google Patents

Roots-type pump

Info

Publication number: ZA833087B
Authority: ZA; South Africa
Prior art keywords: roots; type pump; pump; type
Prior art date: 1982-05-06

Application number

ZA833087A

Inventor

Udo Segebrecht

Christian Dahmlos

Erwin Holthusen

Original Assignee

Sihi Gmbh & Co Kg

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.)

1982-05-06

Filing date

1983-05-02

Publication date

1984-01-25

1983-05-02 Application filed by Sihi Gmbh & Co Kg filed Critical Sihi Gmbh & Co Kg

1984-01-25 Publication of ZA833087B publication Critical patent/ZA833087B/en

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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
- F04C27/009—Shaft sealings specially adapted for pumps

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Applications Or Details Of Rotary Compressors (AREA)
Closures For Containers (AREA)

ZA833087A 1982-05-06 1983-05-02 Roots-type pump ZA833087B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3216990A DE3216990A1 (en)	1982-05-06	1982-05-06	ROLLING PISTON PUMP

Publications (1)

Publication Number	Publication Date
ZA833087B true ZA833087B (en)	1984-01-25

Family

ID=6162896

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA833087A ZA833087B (en)	1982-05-06	1983-05-02	Roots-type pump

Country Status (10)

Country	Link
EP (1)	EP0107691B1 (en)
JP (1)	JPS59500825A (en)
AU (1)	AU1516583A (en)
DE (2)	DE3216990A1 (en)
DK (1)	DK153174C (en)
ES (1)	ES271911Y (en)
IT (1)	IT1212953B (en)
NO (1)	NO834827L (en)
WO (1)	WO1983004075A1 (en)
ZA (1)	ZA833087B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4787831A (en) *	1983-09-20	1988-11-29	Air Products And Chemicals, Inc.	Dual seal system for roots blower
DE3344953A1 (en) *	1983-12-13	1985-06-20	Leybold-Heraeus GmbH, 5000 Köln	TWO-SHAFT VACUUM PUMP WITH GEARBOX EVACUATION
DE3540959A1 (en) *	1984-12-22	1986-07-03	Leybold-Heraeus GmbH, 5000 Köln	OIL DELIVERY DEVICE FOR VACUUM PUMPS
DE3574274D1 (en) *	1985-04-24	1989-12-21	Leybold Ag	Multistage vacuum pump
DE102014101113A1 (en) *	2014-01-30	2015-07-30	Pfeiffer Vacuum Gmbh	vacuum pump
CN106930945B (en) *	2015-12-29	2021-03-02	罗伯特·博世有限公司	Pressure booster

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB217575A (en) *	1923-06-11	1924-10-16	Sulzer Ag	Improvements in or relating to rotary compressors
DE471012C (en) *	1925-06-06	1929-03-19	Der Maschinenfabriken Escher A	Device for sealing machines with rotating shafts, in particular intended for conveying gases and steams
DE684266C (en) *	1937-01-01	1939-11-24	Bosch Gmbh Robert	Control device for the charging fan of an internal combustion engine
US2178425A (en) *	1937-02-18	1939-10-31	Gen Electric	Refrigerating machine
US2620124A (en) *	1946-12-26	1952-12-02	Gen Motors Corp	Compressor apparatus
US2679412A (en) *	1950-03-24	1954-05-25	Read Standard Corp	Seal
US2677944A (en) *	1950-12-01	1954-05-11	Alonzo W Ruff	Plural stage refrigeration apparatus
GB734893A (en) *	1953-05-28	1955-08-10	Harry Skeet Broom	Improvements in or relating to rotary air compressors
US3292847A (en) *	1964-11-03	1966-12-20	Dresser Ind	Lubricant sealing means for rotary positive displacement pump
US3556697A (en) *	1969-04-10	1971-01-19	Ingersoll Rand Co	Sealing arrangement for vacuum pump
DE1939717B2 (en) *	1969-08-05	1978-03-23	Leybold-Heraeus Gmbh & Co Kg, 5000 Koeln	Meshing gear type air blower - has bearing lubrication permitting alternative mounting for horizontal or vertical air flow
GB1378543A (en) *	1971-07-08	1974-12-27	Borg Warner	Rotary compressor of sliding vane type
GB1552385A (en) *	1975-05-13	1979-09-12	Maekawa Seisakusho Kk	Device for compressing or expanding a gas or for pumping a liquid
DE3007267A1 (en) *	1980-02-27	1981-09-03	Leybold Heraeus Gmbh & Co Kg	Helical rotor type vacuum pump - has packed type seals on rotor shafts with liquid cooling

1982
- 1982-05-06 DE DE3216990A patent/DE3216990A1/en not_active Withdrawn
1983
- 1983-05-02 ES ES1983271911U patent/ES271911Y/en not_active Expired
- 1983-05-02 ZA ZA833087A patent/ZA833087B/en unknown
- 1983-05-03 DE DE8383901375T patent/DE3373202D1/en not_active Expired
- 1983-05-03 JP JP58501522A patent/JPS59500825A/en active Pending
- 1983-05-03 WO PCT/EP1983/000116 patent/WO1983004075A1/en active IP Right Grant
- 1983-05-03 EP EP83901375A patent/EP0107691B1/en not_active Expired
- 1983-05-03 AU AU15165/83A patent/AU1516583A/en not_active Abandoned
- 1983-05-06 IT IT8309417A patent/IT1212953B/en active
- 1983-12-27 NO NO834827A patent/NO834827L/en unknown
1984
- 1984-01-05 DK DK003984A patent/DK153174C/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
DK3984D0 (en)	1984-01-05
AU1516583A (en)	1983-12-02
DE3373202D1 (en)	1987-10-01
EP0107691B1 (en)	1987-08-26
DK3984A (en)	1984-01-05
EP0107691A1 (en)	1984-05-09
WO1983004075A1 (en)	1983-11-24
NO834827L (en)	1983-12-27
DK153174B (en)	1988-06-20
DE3216990A1 (en)	1983-11-10
JPS59500825A (en)	1984-05-10
IT8309417A0 (en)	1983-05-06
ES271911Y (en)	1985-02-16
DK153174C (en)	1988-12-12
ES271911U (en)	1984-08-01
IT1212953B (en)	1989-12-07

Publication	Publication Date	Title
GB2115616B (en)	1986-04-30	Pump
GB8330047D0 (en)	1983-12-14	Mechanical pump
GB8318212D0 (en)	1983-08-03	Pumping sets
GB8319962D0 (en)	1983-08-24	Manually operated pump
GB2125900B (en)	1985-08-29	Positive-displacement rotary pump
GB2156445B (en)	1986-06-04	Pump
GB8310202D0 (en)	1983-05-18	Pump
GB8312107D0 (en)	1983-06-08	Hand pump
GB2118247B (en)	1985-07-31	Rotary positive-displacement pump
GB8326304D0 (en)	1983-11-02	Ion pump
GB2126665B (en)	1986-03-05	Pump
GB8327955D0 (en)	1983-11-23	Hand pump
GB8321993D0 (en)	1983-09-21	Positive-displacement rotary gas-compressor pump
EP0120993A3 (en)	1986-02-19	Vane pump
GB8319993D0 (en)	1983-08-24	Peristaltic pump
ZA833087B (en)	1984-01-25	Roots-type pump
GB8302973D0 (en)	1983-03-09	Pump
GB8330345D0 (en)	1983-12-21	Pump
GB2126899B (en)	1985-06-19	Breast pump
GB2126660B (en)	1985-11-27	Cryosorption pump
GB8313716D0 (en)	1983-06-22	Self-priming pump
DE3360299D1 (en)	1985-07-25	Multiple-gear pump
GB8314364D0 (en)	1983-06-29	Pumps
GB8305970D0 (en)	1983-04-07	Pump
GB8330808D0 (en)	1983-12-29	Piston pump