AU1371400A - Twin delivery screws provided for installation in positive-displacement machines, especially pumps - Google Patents

Twin delivery screws provided for installation in positive-displacement machines, especially pumps

Info

Publication number
AU1371400A
AU1371400A AU13714/00A AU1371400A AU1371400A AU 1371400 A AU1371400 A AU 1371400A AU 13714/00 A AU13714/00 A AU 13714/00A AU 1371400 A AU1371400 A AU 1371400A AU 1371400 A AU1371400 A AU 1371400A
Authority
AU
Australia
Prior art keywords
positive
installation
screws provided
displacement machines
delivery screws
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.)
Abandoned
Application number
AU13714/00A
Inventor
Ulrich Becher
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.)
Ateliers Busch SA
Original Assignee
Busch SA Atel
Ateliers Busch SA
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 Busch SA Atel, Ateliers Busch SA filed Critical Busch SA Atel
Publication of AU1371400A publication Critical patent/AU1371400A/en
Abandoned 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels
AU13714/00A 1999-02-08 1999-12-07 Twin delivery screws provided for installation in positive-displacement machines, especially pumps Abandoned AU1371400A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99810101A EP1026399A1 (en) 1999-02-08 1999-02-08 Twin feed screw
EP99810101 1999-02-08
PCT/CH1999/000587 WO2000047897A1 (en) 1999-02-08 1999-12-07 Twin delivery screws provided for installation in positive-displacement machines, especially pumps

Publications (1)

Publication Number Publication Date
AU1371400A true AU1371400A (en) 2000-08-29

Family

ID=8242666

Family Applications (1)

Application Number Title Priority Date Filing Date
AU13714/00A Abandoned AU1371400A (en) 1999-02-08 1999-12-07 Twin delivery screws provided for installation in positive-displacement machines, especially pumps

Country Status (6)

Country Link
EP (2) EP1026399A1 (en)
JP (1) JP2002536593A (en)
CN (1) CN1334904A (en)
AU (1) AU1371400A (en)
CA (1) CA2362075A1 (en)
WO (1) WO2000047897A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH694339A9 (en) 2000-07-25 2005-03-15 Busch Sa Atel Twin screw rotors and those containing Ve rdraengermaschinen.
DE10300203A1 (en) * 2003-01-08 2004-07-22 Pfeiffer Vacuum Gmbh Twin-shaft vacuum pump and method for manufacturing a twin-shaft vacuum pump
US7625191B2 (en) * 2005-02-16 2009-12-01 Ateliers Busch Sa Rotary displacement machines having rotors of asymmetrical profile
CN1904365B (en) * 2005-07-29 2010-06-16 良峰塑胶机械股份有限公司 Designing method of claw type rotor
JP5353521B2 (en) * 2009-07-22 2013-11-27 株式会社豊田自動織機 Screw rotor
JP2012207660A (en) * 2011-03-11 2012-10-25 Toyota Industries Corp Screw pump
DE102011118050A1 (en) 2011-11-05 2013-05-08 Ralf Steffens Spindle compressor profile contour for two-shaft positive displacement rotary engine, has head arc with force groove, which is provided in such manner that overall profile centroid lies as close to rotor pivot point
CN103452846B (en) * 2013-10-08 2016-08-03 李锦上 Plug rod compressor
US10495090B2 (en) 2015-08-27 2019-12-03 Ingersoll-Rand Company Rotor for a compressor system having internal coolant manifold
US9683569B2 (en) 2015-08-27 2017-06-20 Ingersoll-Rand Company Compressor system having rotor with distributed coolant conduits and method
CN107882735B (en) * 2017-11-02 2019-05-24 西安交通大学 A kind of bidentate Twin-screw vacuum pump with stringent closed type rotor line
JP7096044B2 (en) * 2018-03-30 2022-07-05 株式会社日立産機システム Screw rotor and fluid machine body
CN111396311A (en) * 2020-04-26 2020-07-10 陕西理工大学 Hollow screw rotor and processing method thereof
CN111779676B (en) * 2020-07-15 2021-11-19 西安交通大学 Double-tooth rotor compressor rotor profile, double-tooth rotor and compressor
CN111828327B (en) * 2020-07-15 2021-11-30 高秀峰 Multi-tooth rotor compressor rotor molded line, multi-tooth rotor and compressor

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB112104A (en) 1917-07-05 1917-12-27 Edward Nuebling Improvements in or relating to Rotary Meters, Pumps and Motors.
GB527339A (en) * 1939-04-06 1940-10-07 Paul Leistritz Improvements in screw pumps or screw motors
US2441771A (en) 1941-05-31 1948-05-18 Jarvis C Marble Yieldable drive for rotors
DE914886C (en) 1949-09-15 1954-07-12 Svenska Rotor Maskiner Ab Cooling device for multi-part housings or runners, especially of rotary piston machines with helical wheels
GB670395A (en) 1950-01-16 1952-04-16 Roots Connersville Blower Corp Improvements in or relating to rotary screw-pumps and motors
US2714314A (en) 1951-05-15 1955-08-02 Howden James & Co Ltd Rotors for rotary gas compressors and motors
GB746628A (en) 1953-04-06 1956-03-14 Dresser Ind Improvements in pumps or motors of the meshing screw type
DE1289433B (en) * 1960-07-08 1969-02-13 Prinz Fritz Screw rotor for screw pumps or the like with hollow screw threads
US4224016A (en) 1978-09-27 1980-09-23 Brown Arthur E Rotary positive displacement machines
JPS62291486A (en) 1986-06-12 1987-12-18 Taiko Kikai Kogyo Kk Screw compressor
JPS6336086A (en) 1986-07-30 1988-02-16 Taiko Kikai Kogyo Kk Multi-stage screw type vacuum pump
JPH02305393A (en) 1989-05-19 1990-12-18 Hitachi Ltd Screw rotor and screw vacuum pump
CA2058325A1 (en) 1990-12-24 1992-06-25 Mark E. Baran Positive displacement pumps
DE4224969C1 (en) 1992-07-29 1993-09-30 Heinrich Moeller Feed screw pair for rotating positive displacement pumps
DE4316735C2 (en) 1993-05-19 1996-01-18 Bornemann J H Gmbh & Co Pumping method for operating a multi-phase screw pump and pump
JP2904719B2 (en) * 1995-04-05 1999-06-14 株式会社荏原製作所 Screw rotor, method for determining cross-sectional shape of tooth profile perpendicular to axis, and screw machine
CA2174032A1 (en) 1995-04-13 1996-10-14 Allan J. Prang Dual pitch multiphase screw pump
DE19522560A1 (en) 1995-06-21 1997-01-02 Sihi Ind Consult Gmbh Vacuum pump with pair of helical inter-meshing displacement rotors
DE19522559A1 (en) 1995-06-21 1997-01-02 Sihi Ind Consult Gmbh Axial delivery compressor, especially screw compressor
CN1089409C (en) 1995-12-11 2002-08-21 爱特里尔斯布时股份公司 Twin feed screw
CA2240168C (en) 1995-12-11 2007-11-27 Ateliers Busch S.A. Double worm system
CA2262898C (en) 1996-09-12 2007-10-02 Ateliers Busch S.A. Screw rotor set

Also Published As

Publication number Publication date
EP1151199A1 (en) 2001-11-07
EP1026399A1 (en) 2000-08-09
JP2002536593A (en) 2002-10-29
CA2362075A1 (en) 2000-08-17
WO2000047897A1 (en) 2000-08-17
CN1334904A (en) 2002-02-06

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase