GB2132702B - Roots compressor - Google Patents

Roots compressor

Info

Publication number: GB2132702B
Authority: GB; United Kingdom
Prior art keywords: roots compressor; roots; compressor
Prior art date: 1982-10-13
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

GB08327282A

Other versions

GB8327282D0 (en

GB2132702A (en

Inventor

Hans Nissen

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.)

Aerzener Maschinenfabrik GmbH

Original Assignee

Aerzener Maschinenfabrik GmbH

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.)

1982-10-13

Filing date

1983-10-12

Publication date

1986-03-05

1983-10-12 Application filed by Aerzener Maschinenfabrik GmbH filed Critical Aerzener Maschinenfabrik GmbH

1983-11-16 Publication of GB8327282D0 publication Critical patent/GB8327282D0/en

1984-07-11 Publication of GB2132702A publication Critical patent/GB2132702A/en

1986-03-05 Application granted granted Critical

1986-03-05 Publication of GB2132702B publication Critical patent/GB2132702B/en

Status Expired legal-status Critical Current

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
- F04C18/126—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 radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
- F04C29/0035—Equalization of pressure pulses
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Applications Or Details Of Rotary Compressors (AREA)
Rotary-Type Compressors (AREA)
Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

GB08327282A 1982-10-13 1983-10-12 Roots compressor Expired GB2132702B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE3238015A DE3238015C2 (en)	1982-10-13	1982-10-13	Roots compressor

Publications (3)

Publication Number	Publication Date
GB8327282D0 GB8327282D0 (en)	1983-11-16
GB2132702A GB2132702A (en)	1984-07-11
GB2132702B true GB2132702B (en)	1986-03-05

Family

ID=6175655

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08327282A Expired GB2132702B (en)	1982-10-13	1983-10-12	Roots compressor

Country Status (5)

Country	Link
JP (1)	JPS59136594A (en)
DE (1)	DE3238015C2 (en)
FR (1)	FR2534638B1 (en)
GB (1)	GB2132702B (en)
IT (1)	IT1171754B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3414039A1 (en) *	1984-04-13	1985-10-17	Aerzener Maschinenfabrik Gmbh, 3251 Aerzen	ROOTS COMPRESSOR FOR COMPRESSING GAS SHAPED CONVEYOR MEDIUM
DE3576390D1 (en) *	1984-09-04	1990-04-12	Eaton Corp	CHARGER BLOWER WITH REDUCED LAERMENT DEVELOPMENT.
US4609335A (en) *	1984-09-20	1986-09-02	Eaton Corporation	Supercharger with reduced noise and improved efficiency
DE3527292A1 (en) *	1985-07-30	1987-02-12	Aerzener Maschf Gmbh	METHOD FOR COMPRESSING GAS SHAPED CONVEYOR MEDIUM AND ROOTS COMPRESSOR FOR CARRYING OUT THE METHOD
US4768934A (en) *	1985-11-18	1988-09-06	Eaton Corporation	Port arrangement for rotary positive displacement blower
US4643655A (en) *	1985-12-05	1987-02-17	Eaton Corporation	Backflow passage for rotary positive displacement blower
IT1290106B1 (en) *	1997-03-17	1998-10-19	Finder Pompe Spa	VOLUMETRIC BLOWER WITH LIDS EQUIPPED WITH CONNECTION DUCT WITH THE DELIVERY MANIFOLD
US7607437B2 (en)	2003-08-04	2009-10-27	Cardinal Health 203, Inc.	Compressor control system and method for a portable ventilator
EP1653905B1 (en)	2003-08-04	2016-06-15	Carefusion 203, Inc.	Portable ventilator system
US8118024B2 (en)	2003-08-04	2012-02-21	Carefusion 203, Inc.	Mechanical ventilation system utilizing bias valve
US8156937B2 (en)	2003-08-04	2012-04-17	Carefusion 203, Inc.	Portable ventilator system
AU2011218687B2 (en) *	2004-08-04	2012-07-19	Carefusion 203, Inc.	Method and apparatus for reducing noise in a roots-type blower
AU2011218686B2 (en) *	2004-08-04	2012-07-19	Carefusion 203, Inc.	Method and apparatus for reducing noise in a roots-type blower
PL1773434T3 (en) *	2004-08-04	2011-04-29	Carefusion 203 Inc	Method and apparatus for reducing noise in a roots-type blower
US7997885B2 (en)	2007-12-03	2011-08-16	Carefusion 303, Inc.	Roots-type blower reduced acoustic signature method and apparatus
DE102007060174A1 (en) *	2007-12-13	2009-06-25	Oerlikon Leybold Vacuum Gmbh	Vacuum pump and method for operating a vacuum pump

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR405613A (en) *	1908-11-18	1910-01-08	Hugo Lentz	Rotary pump fin balancing device
DE1258543B (en) *	1960-07-16	1968-01-11	Philipp Bormuth Dipl Ing	Roots blower with pre-flow into the piston chambers
GB959855A (en) *	1962-03-15	1964-06-03	Polysius Gmbh	A roots blower
US3275226A (en) *	1965-02-23	1966-09-27	Joseph E Whitfield	Thrust balancing and entrapment control means for screw type compressors and similardevices
DE2027272C2 (en) *	1970-06-03	1983-11-03	Aerzener Maschinenfabrik Gmbh, 3251 Aerzen	Rotary piston compressor
US3844695A (en) *	1972-10-13	1974-10-29	Calspan Corp	Rotary compressor
US4215977A (en) *	1977-11-14	1980-08-05	Calspan Corporation	Pulse-free blower
US4239468A (en) *	1978-09-08	1980-12-16	The Rexroth Corporation	Apparatus for controlling pressure distribution in gear pump

1982
- 1982-10-13 DE DE3238015A patent/DE3238015C2/en not_active Expired
1983
- 1983-10-12 GB GB08327282A patent/GB2132702B/en not_active Expired
- 1983-10-12 IT IT23275/83A patent/IT1171754B/en active
- 1983-10-13 JP JP58191661A patent/JPS59136594A/en active Pending
- 1983-10-13 FR FR8316282A patent/FR2534638B1/en not_active Expired

Also Published As

Publication number	Publication date
IT8323275A0 (en)	1983-10-12
IT8323275A1 (en)	1985-04-12
FR2534638A1 (en)	1984-04-20
GB8327282D0 (en)	1983-11-16
GB2132702A (en)	1984-07-11
DE3238015C2 (en)	1986-07-31
DE3238015A1 (en)	1984-04-26
FR2534638B1 (en)	1988-07-29
IT1171754B (en)	1987-06-10
JPS59136594A (en)	1984-08-06

Publication	Publication Date	Title
GB2117843B (en)	1985-11-06	Compressor shrouds
DE3364399D1 (en)	1986-08-14	Variable displacement compressor
GB2127905B (en)	1986-07-02	Centrifugal compressor
DE3373516D1 (en)	1987-10-15	Variable displacement compressor
JPS5716293A (en)	1982-01-27	Rotary compressor
DE3366726D1 (en)	1986-11-13	Screw compressor
GB8300210D0 (en)	1983-02-09	Compressor casing
GB8316310D0 (en)	1983-07-20	Turbine
DE3365692D1 (en)	1986-10-02	Scroll type compressor
ZA839423B (en)	1984-08-29	Hydrogen compressor
GB8518924D0 (en)	1985-09-04	Compressor
JPS56107987A (en)	1981-08-27	Compressor
GB8307895D0 (en)	1983-04-27	Pumping plant
GB2132702B (en)	1986-03-05	Roots compressor
GB2068510B (en)	1983-07-06	Compressor unit
GB8333062D0 (en)	1984-01-18	Rotary compressor
GB8509162D0 (en)	1985-05-15	Roots compressor
GB8318058D0 (en)	1983-08-03	Enclosed type compressor
GB8505245D0 (en)	1985-04-03	Enclosed type compressor
DE3171642D1 (en)	1985-09-12	Rotary compressor
GB8304153D0 (en)	1983-03-16	Volumetric compressor
GB8333064D0 (en)	1984-01-18	Rotary compressor
GB8315432D0 (en)	1983-07-13	Scroll compressor
GB8315674D0 (en)	1983-07-13	Screw compressor
GB8333063D0 (en)	1984-01-18	Rotary compressor

Legal Events

Date	Code	Title	Description
2001-05-30	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20001012