AU2003271940A1 - Screw pump - Google Patents

Screw pump

Info

Publication number
AU2003271940A1
AU2003271940A1 AU2003271940A AU2003271940A AU2003271940A1 AU 2003271940 A1 AU2003271940 A1 AU 2003271940A1 AU 2003271940 A AU2003271940 A AU 2003271940A AU 2003271940 A AU2003271940 A AU 2003271940A AU 2003271940 A1 AU2003271940 A1 AU 2003271940A1
Authority
AU
Australia
Prior art keywords
screw pump
pump
screw
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
AU2003271940A
Inventor
Michael Henry North
Cliff Charles Palmer
Kevin Michael Ransom
John William Skeates
Clive Marcus Lloyd Tunna
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.)
BOC Group Ltd
Original Assignee
BOC Group Ltd
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 BOC Group Ltd filed Critical BOC Group Ltd
Publication of AU2003271940A1 publication Critical patent/AU2003271940A1/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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28—Safety arrangements; Monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/102—Adjustment of the interstices between moving and fixed parts of the machine by means other than fluid pressure
    • 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
    • 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
    • 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)
AU2003271940A 2002-10-14 2003-10-10 Screw pump Abandoned AU2003271940A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0223769.1 2002-10-14
GBGB0223769.1A GB0223769D0 (en) 2002-10-14 2002-10-14 A pump
PCT/GB2003/004415 WO2004036049A1 (en) 2002-10-14 2003-10-10 Screw pump

Publications (1)

Publication Number Publication Date
AU2003271940A1 true AU2003271940A1 (en) 2004-05-04

Family

ID=9945809

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003271940A Abandoned AU2003271940A1 (en) 2002-10-14 2003-10-10 Screw pump

Country Status (9)

Country Link
US (1) US20060153696A1 (en)
EP (1) EP1552153A1 (en)
JP (1) JP2006503220A (en)
KR (1) KR101120887B1 (en)
CN (1) CN1703584A (en)
AU (1) AU2003271940A1 (en)
GB (1) GB0223769D0 (en)
TW (1) TW200422522A (en)
WO (1) WO2004036049A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1923771B1 (en) * 2003-11-07 2015-05-20 Asetek A/S Cooling system for a computer system
WO2006024818A1 (en) 2004-09-02 2006-03-09 The Boc Group Plc Cooling of pump rotors
GB0502149D0 (en) 2005-02-02 2005-03-09 Boc Group Inc Method of operating a pumping system
GB0508872D0 (en) * 2005-04-29 2005-06-08 Boc Group Plc Method of operating a pumping system
GB0510892D0 (en) * 2005-05-27 2005-07-06 Boc Group Plc Vacuum pump
GB0525378D0 (en) 2005-12-13 2006-01-18 Boc Group Plc Screw Pump
GB0525517D0 (en) * 2005-12-15 2006-01-25 Boc Group Plc Apparatus for detecting a flammable atmosphere
JP4821308B2 (en) * 2005-12-21 2011-11-24 株式会社島津製作所 Vacuum pump
JP6418838B2 (en) * 2014-07-31 2018-11-07 エドワーズ株式会社 Dry pump and exhaust gas treatment method
CN105041648B (en) * 2015-09-15 2017-11-17 珠海格力电器股份有限公司 A kind of helical-lobe compressor and its body
KR101712962B1 (en) * 2015-09-24 2017-03-07 이인철 Vacuum pump with cooling device
EP3361099A1 (en) * 2017-02-10 2018-08-15 Entecnia Consulting, S.L.U. Method of manufacturing and assembling a pump and vacuum pump
CN108302040B (en) * 2018-03-14 2023-05-09 深圳市志橙半导体材料有限公司 Anti-seizing device and anti-seizing method for dry vacuum pump
CN111749896B (en) * 2020-07-07 2022-11-08 山东顺和新材料科技有限公司 Energy-saving air compressor capable of eliminating friction force by utilizing magnetic suspension

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906448A (en) * 1954-10-28 1959-09-29 W C Heraus G M B H Roots type vacuum pumps
GB1160551A (en) * 1965-06-11 1969-08-06 Wellesley Ashe Kealy Improvements in and relating to Temperature Responsive Control Apparatus
DE2305502C3 (en) * 1973-02-05 1979-07-19 Thomas 3000 Hannover Baehr Method for controlling the amount of heat supplied to the secondary circuit of a two-circuit heating system and a control element therefor
DE2747969A1 (en) * 1977-10-26 1979-05-10 Braukmann Armaturen CONTROL DEVICE FOR A HEATING SYSTEM
DE2926599A1 (en) * 1979-07-02 1981-01-15 Battelle Institut E V Heating radiator thermostat assembly - has additional heat sensor between valve and main heat sensor working in opposite direction
GB2081845B (en) * 1980-05-29 1985-02-13 Trucktonics Ltd Control valve
DE3203322A1 (en) * 1982-01-28 1983-09-22 Heinrich Ing.(grad.) 5205 St. Augustin Hilbers Energy-saving shutting off without external energy for heat/cold consumers
JPS59115492A (en) * 1982-12-22 1984-07-03 Hitachi Ltd Nonlubricating type screw compressor
EP0290663B1 (en) * 1987-05-15 1993-08-04 Leybold Aktiengesellschaft Single or multistage two-shaft vacuum pump
FR2637655B1 (en) * 1988-10-07 1994-01-28 Alcatel Cit SCREW PUMP TYPE ROTARY MACHINE
FR2647853A1 (en) * 1989-06-05 1990-12-07 Cit Alcatel DRY PRIMARY PUMP WITH TWO FLOORS
JPH05149287A (en) * 1991-11-26 1993-06-15 Hitachi Ltd Package type screw compressor
JPH06330875A (en) * 1993-05-19 1994-11-29 Seiko Seiki Co Ltd Exhaust pump
JPH09268993A (en) * 1996-04-02 1997-10-14 Tochigi Fuji Ind Co Ltd Fluid machinery
JP3550465B2 (en) * 1996-08-30 2004-08-04 株式会社日立製作所 Turbo vacuum pump and operating method thereof
DE19635339A1 (en) * 1996-08-31 1998-03-05 Deutsch Zentr Luft & Raumfahrt Thermostatic valve
DE19820523A1 (en) * 1998-05-08 1999-11-11 Peter Frieden Spindle screw pump assembly for dry compression of gases
JPH11336684A (en) * 1998-05-22 1999-12-07 Hitachi Ltd Jacket cooling device for oil-free screw compressor
DE10156179A1 (en) * 2001-11-15 2003-05-28 Leybold Vakuum Gmbh Cooling a screw vacuum pump

Also Published As

Publication number Publication date
US20060153696A1 (en) 2006-07-13
KR20050050133A (en) 2005-05-27
CN1703584A (en) 2005-11-30
EP1552153A1 (en) 2005-07-13
TW200422522A (en) 2004-11-01
KR101120887B1 (en) 2012-02-27
JP2006503220A (en) 2006-01-26
GB0223769D0 (en) 2002-11-20
WO2004036049A1 (en) 2004-04-29

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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