AU2001281962A1 - Two-shaft vacuum pump - Google Patents

Two-shaft vacuum pump

Info

Publication number: AU2001281962A1
Authority: AU; Australia
Prior art keywords: vacuum pump; shaft vacuum; shaft; pump; vacuum
Prior art date: 2000-08-10
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.): Abandoned

Application number

AU2001281962A

Inventor

Manfred Behling

Lothar Brenner

Thomas Dreifert

Heinrich Englander

Michael Froitzheim

Hartmut Kriehn

Klaus Rofall

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.)

Leybold GmbH

Original Assignee

Leybold Vakuum 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.)

2000-08-10

Filing date

2001-07-06

Publication date

2002-02-18

2001-07-06 Application filed by Leybold Vakuum GmbH filed Critical Leybold Vakuum GmbH

2002-02-18 Publication of AU2001281962A1 publication Critical patent/AU2001281962A1/en

Status Abandoned 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- 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
- F04C18/082—Details specially related to intermeshing engagement type pumps
- F04C18/084—Toothed wheels
- 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
- F04C18/16—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 helical teeth, e.g. chevron-shaped, screw type

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Applications Or Details Of Rotary Compressors (AREA)
Non-Positive Displacement Air Blowers (AREA)

AU2001281962A 2000-08-10 2001-07-06 Two-shaft vacuum pump Abandoned AU2001281962A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE10039006A DE10039006A1 (en)	2000-08-10	2000-08-10	Two-shaft vacuum pump
DE10039006		2000-08-10
PCT/EP2001/007739 WO2002012726A1 (en)	2000-08-10	2001-07-06	Two-shaft vacuum pump

Publications (1)

Publication Number	Publication Date
AU2001281962A1 true AU2001281962A1 (en)	2002-02-18

Family

ID=7651941

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU2001281962A Abandoned AU2001281962A1 (en)	2000-08-10	2001-07-06	Two-shaft vacuum pump

Country Status (9)

Country	Link
US (1)	US6863511B2 (en)
EP (1)	EP1307657B1 (en)
JP (1)	JP4944347B2 (en)
KR (1)	KR100948988B1 (en)
CN (1)	CN1273741C (en)
AU (1)	AU2001281962A1 (en)
DE (2)	DE10039006A1 (en)
TW (1)	TW538199B (en)
WO (1)	WO2002012726A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19963171A1 (en) *	1999-12-27	2001-06-28	Leybold Vakuum Gmbh	Screw-type vacuum pump used in cooling circuits has guide components located in open bores in shafts serving for separate guiding of inflowing and outflowing cooling medium
DE10039006A1 (en)	2000-08-10	2002-02-21	Leybold Vakuum Gmbh	Two-shaft vacuum pump
US7963744B2 (en) *	2004-09-02	2011-06-21	Edwards Limited	Cooling of pump rotors
DE102004058056A1 (en) *	2004-12-02	2006-06-08	Leybold Vacuum Gmbh	gearing
US20080121497A1 (en) *	2006-11-27	2008-05-29	Christopher Esterson	Heated/cool screw conveyor
KR100900821B1 (en) *	2008-02-04	2009-06-04	(주)경인정밀기계	Backlash control device of reduction gear
JP5313260B2 (en) *	2008-10-10	2013-10-09	株式会社アルバック	Dry pump
JP2010127119A (en) *	2008-11-25	2010-06-10	Ebara Corp	Dry vacuum pump unit
JPWO2011019048A1 (en)	2009-08-14	2013-01-17	株式会社アルバック	Dry pump
US8764424B2 (en)	2010-05-17	2014-07-01	Tuthill Corporation	Screw pump with field refurbishment provisions
DE102010061202A1 (en) *	2010-12-14	2012-06-14	Gebr. Becker Gmbh	vacuum pump
DE102011108092A1 (en)	2011-07-19	2013-01-24	Multivac Sepp Haggenmüller Gmbh & Co. Kg	Cleaning method and system for vacuum pump
KR101253117B1 (en)	2011-12-16	2013-04-10	주식회사 동방플랜텍	Multi-stage screw vacuum-pump
EP2615307B1 (en)	2012-01-12	2019-08-21	Vacuubrand Gmbh + Co Kg	Screw vacuum pump
KR101333056B1 (en)	2012-01-20	2013-11-26	주식회사 코디박	Screw rotor type vaccum pump with built in motor having cooling function
DE202013010195U1 (en) *	2013-11-12	2015-02-18	Oerlikon Leybold Vacuum Gmbh	Vacuum pump rotor device and vacuum pump
EP3085964B1 (en) *	2015-04-21	2019-12-11	Pfeiffer Vacuum Gmbh	Production of a vacuum pump part by metallic additive manufacturing
DE102018115732A1 (en)	2018-06-29	2020-01-02	Schaeffler Technologies AG & Co. KG	Rolling bearings with integrated current discharge function
JP7003305B2 (en) *	2019-02-13	2022-01-20	三菱電機株式会社	Compressor and air conditioner
TW202037814A (en) *	2019-04-10	2020-10-16	亞台富士精機股份有限公司	Rotor and roots pump
CN112012931B (en) *	2020-09-04	2022-05-24	浙江思科瑞真空技术有限公司	Cooling method of pump rotor

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DE413237C (en)	1924-07-29	1925-05-06	Heinrich Timmer	Process for the production of hollow metal handles from seamlessly drawn tube for cutlery or similar blades
DE972862C (en) *	1953-10-27	1959-10-15	Svenska Rotor Maskiner Ab	Rotary piston machine for the compression or expansion of a gas
FR1290239A (en)	1961-02-28	1962-04-13	Alsacienne Constr Meca	Vacuum pump
DE3124247C1 (en) *	1981-06-19	1983-06-01	Boge Kompressoren Otto Boge Gmbh & Co Kg, 4800 Bielefeld	Screw compressor
JPH0121192Y2 (en) *	1985-06-07	1989-06-23
JPS63243478A (en) *	1987-03-30	1988-10-11	Aisin Seiki Co Ltd	Rotor for fluid equipment
JPH0672616B2 (en) *	1987-04-21	1994-09-14	株式会社ゼクセル	Steel shaft composite aluminum alloy rotor
JPS6466488A (en) *	1987-09-05	1989-03-13	Daihatsu Motor Co Ltd	Composite rotor for supercharger
JPH03213688A (en)	1990-01-17	1991-09-19	Hitachi Ltd	screw vacuum pump
JPH0533815A (en) *	1990-09-29	1993-02-09	Mazda Motor Corp	Connecting structure of rotary shaft and rotor of rotary machine and manufacture thereof
JPH04298696A (en) *	1991-03-26	1992-10-22	Mazda Motor Corp	Rotary compressor
JPH05164076A (en) *	1991-12-17	1993-06-29	Hitachi Ltd	Screw type dry vacuum pump
JP2873888B2 (en) *	1991-12-27	1999-03-24	本田技研工業株式会社	Screw pump rotor
JP3569924B2 (en) *	1992-03-19	2004-09-29	松下電器産業株式会社	Fluid rotating device
JP3018720B2 (en)	1992-03-19	2000-03-13	石川島播磨重工業株式会社	Composite material rotating body and method of manufacturing the same
JPH07301211A (en) *	1994-05-06	1995-11-14	Tochigi Fuji Ind Co Ltd	Shaft fixing device
JPH08108459A (en) *	1994-10-06	1996-04-30	Japan Steel Works Ltd:The	Extruder base and method for manufacturing the same
JPH08261183A (en)	1995-03-27	1996-10-08	Tochigi Fuji Ind Co Ltd	Hollow rotor for screw fluid machine
JP3965507B2 (en) *	1995-06-21	2007-08-29	ステアリング・インダストリー・コンサルト・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング	Multistage screw spindle compressor
DE19522558A1 (en) *	1995-06-21	1997-01-02	Sihi Ind Consult Gmbh	Displacement pump for gases
DE19522559A1 (en)	1995-06-21	1997-01-02	Sihi Ind Consult Gmbh	Axial delivery compressor, especially screw compressor
JPH09137731A (en) *	1995-11-16	1997-05-27	Tochigi Fuji Ind Co Ltd	Screw type supercharger
JP3432679B2 (en) *	1996-06-03	2003-08-04	株式会社荏原製作所	Positive displacement vacuum pump
JPH10281089A (en) *	1997-04-03	1998-10-20	Matsushita Electric Ind Co Ltd	Vacuum pump
DE19745615A1 (en) *	1997-10-10	1999-04-15	Leybold Vakuum Gmbh	Screw vacuum pump with rotors
DE19745616A1 (en) *	1997-10-10	1999-04-15	Leybold Vakuum Gmbh	Cooling system for helical vacuum pump
DE19817351A1 (en) *	1998-04-18	1999-10-21	Peter Frieden	Screw spindle vacuum pump with gas cooling
DE19820523A1 (en) *	1998-05-08	1999-11-11	Peter Frieden	Spindle screw pump assembly for dry compression of gases
DE19839501A1 (en) *	1998-08-29	2000-03-02	Leybold Vakuum Gmbh	Dry compacting screw pump
DE19963171A1 (en) *	1999-12-27	2001-06-28	Leybold Vakuum Gmbh	Screw-type vacuum pump used in cooling circuits has guide components located in open bores in shafts serving for separate guiding of inflowing and outflowing cooling medium
DE19963173B4 (en)	1999-12-27	2011-05-19	Leybold Vakuum Gmbh	Screw vacuum pump
JP2001193677A (en) *	2000-01-11	2001-07-17	Asuka Japan:Kk	Screw fluid machinery
DE10039006A1 (en)	2000-08-10	2002-02-21	Leybold Vakuum Gmbh	Two-shaft vacuum pump

2000
- 2000-08-10 DE DE10039006A patent/DE10039006A1/en not_active Withdrawn
2001
- 2001-07-06 JP JP2002517982A patent/JP4944347B2/en not_active Expired - Fee Related
- 2001-07-06 DE DE50113380T patent/DE50113380D1/en not_active Expired - Lifetime
- 2001-07-06 CN CNB018139701A patent/CN1273741C/en not_active Expired - Lifetime
- 2001-07-06 AU AU2001281962A patent/AU2001281962A1/en not_active Abandoned
- 2001-07-06 US US10/343,958 patent/US6863511B2/en not_active Expired - Fee Related
- 2001-07-06 KR KR1020037001780A patent/KR100948988B1/en not_active Expired - Fee Related
- 2001-07-06 WO PCT/EP2001/007739 patent/WO2002012726A1/en not_active Ceased
- 2001-07-06 EP EP01960473A patent/EP1307657B1/en not_active Expired - Lifetime
- 2001-08-08 TW TW090119355A patent/TW538199B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE50113380D1 (en)	2008-01-24
US20040091380A1 (en)	2004-05-13
DE10039006A1 (en)	2002-02-21
JP2004506140A (en)	2004-02-26
WO2002012726A1 (en)	2002-02-14
CN1446291A (en)	2003-10-01
JP4944347B2 (en)	2012-05-30
KR20030027009A (en)	2003-04-03
EP1307657A1 (en)	2003-05-07
KR100948988B1 (en)	2010-03-23
EP1307657B1 (en)	2007-12-12
TW538199B (en)	2003-06-21
US6863511B2 (en)	2005-03-08
CN1273741C (en)	2006-09-06

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