DE60313320D1 - Verfahren und vorrichtung zum entlasten eines schraubenkompressors - Google Patents

Verfahren und vorrichtung zum entlasten eines schraubenkompressors

Info

Publication number
DE60313320D1
DE60313320D1 DE60313320T DE60313320T DE60313320D1 DE 60313320 D1 DE60313320 D1 DE 60313320D1 DE 60313320 T DE60313320 T DE 60313320T DE 60313320 T DE60313320 T DE 60313320T DE 60313320 D1 DE60313320 D1 DE 60313320D1
Authority
DE
Germany
Prior art keywords
screw compressor
air
vacuum device
compressor
motor
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.)
Expired - Lifetime
Application number
DE60313320T
Other languages
English (en)
Other versions
DE60313320T2 (de
Inventor
Jarmo Leppanen
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.)
Sandvik Intellectual Property AB
Original Assignee
Sandvik Intellectual Property AB
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 Sandvik Intellectual Property AB filed Critical Sandvik Intellectual Property AB
Application granted granted Critical
Publication of DE60313320D1 publication Critical patent/DE60313320D1/de
Publication of DE60313320T2 publication Critical patent/DE60313320T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04C28/06—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids specially adapted for stopping, starting, idling or no-load operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • F04B23/12—Combinations of two or more pumps the pumps being of different types at least one pump being of the rotary-piston positive-displacement 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
DE60313320T 2002-05-20 2003-05-08 Verfahren und vorrichtung zum entlasten eines schraubenkompressors Expired - Lifetime DE60313320T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/147,883 US6860730B2 (en) 2002-05-20 2002-05-20 Methods and apparatus for unloading a screw compressor
US147883 2002-05-20
PCT/SE2003/000743 WO2003098048A1 (en) 2002-05-20 2003-05-08 Methods and apparatus for unloading a screw compressor

Publications (2)

Publication Number Publication Date
DE60313320D1 true DE60313320D1 (de) 2007-05-31
DE60313320T2 DE60313320T2 (de) 2007-12-20

Family

ID=29419135

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60313320T Expired - Lifetime DE60313320T2 (de) 2002-05-20 2003-05-08 Verfahren und vorrichtung zum entlasten eines schraubenkompressors

Country Status (9)

Country Link
US (1) US6860730B2 (de)
EP (1) EP1511937B1 (de)
JP (1) JP4444818B2 (de)
CN (1) CN1656319B (de)
AT (1) ATE360146T1 (de)
AU (1) AU2003228186B2 (de)
DE (1) DE60313320T2 (de)
WO (1) WO2003098048A1 (de)
ZA (1) ZA200409299B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2071577A1 (en) * 1991-06-21 1992-12-22 Gerald L. Dawson Electronic combination lock with high security features
US6981855B2 (en) * 2002-09-30 2006-01-03 Sandvik Ab Drilling rig having a compact compressor/pump assembly
US7909026B2 (en) * 2008-04-16 2011-03-22 Gm Global Technology Operations, Inc. Servo-actuated supercharger operating mechanism
ITPR20090054A1 (it) * 2009-07-10 2011-01-11 Robuschi S P A Compressore a vite a secco
US8646549B2 (en) 2009-10-08 2014-02-11 Atlas Copco Drilling Solutions Llc Drilling machine power pack which includes a clutch
US9010459B2 (en) 2010-04-20 2015-04-21 Sandvik Intellectual Property Ab Air compressor system and method of operation
US10941770B2 (en) 2010-07-20 2021-03-09 Trane International Inc. Variable capacity screw compressor and method
US9145877B2 (en) 2011-11-22 2015-09-29 Thermo King Corporation Compressor unloading device
JP6162808B2 (ja) * 2012-09-21 2017-07-12 サンドビック サーフェス マイニング コンプレッサを減圧するための方法および器具
JP6502268B2 (ja) * 2014-01-31 2019-04-17 古河ロックドリル株式会社 さく孔機、アンロード制御用プログラム
DE102015111287B4 (de) 2015-07-13 2018-04-26 Gardner Denver Deutschland Gmbh Kompressor und Verfahren zu dessen Drehzahlsteuerung
WO2017075555A1 (en) 2015-10-30 2017-05-04 Gardner Denver, Inc. Complex screw rotors
CA3016521A1 (en) * 2017-09-06 2019-03-06 Joy Global Surface Mining Inc Lubrication system for a compressor
AU2021202410A1 (en) 2020-04-21 2021-11-11 Joy Global Surface Mining Inc Lubrication system for a compressor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708024A (en) 1971-03-10 1973-01-02 Sanderson Cyclone Drill Co Drilling machine
US3759636A (en) * 1972-03-13 1973-09-18 Dunham Busa Inc Composite variable oil pressure relief and compressor unload valve assembly
US3913346A (en) * 1974-05-30 1975-10-21 Dunham Bush Inc Liquid refrigerant injection system for hermetic electric motor driven helical screw compressor
US3947078A (en) 1975-04-24 1976-03-30 Sullair Corporation Rotary screw machine with rotor thrust load balancing
JPS5799291A (en) * 1980-12-10 1982-06-19 Hitachi Ltd Volume controller for screw compressor
SE424760B (sv) 1980-12-12 1982-08-09 Sullair Tech Ab Forfarande vid en oljeinsprutad skruvkompressor for balansering av axialkrafter hos atminstone en av kompressorns rotorer, for tetning av spalterna mellan rotorhus och rotorernas axlar, samt for kylning och smorjning ..
ATE35442T1 (de) * 1983-04-08 1988-07-15 Cash Eng Co Pty Ltd Steuersystem fuer verdichter.
US5497841A (en) * 1991-03-14 1996-03-12 William Mohlenhoff Methods for coring a masonry wall
FI87830C (fi) * 1991-05-23 1993-02-25 Tamrock Oy Foerfarande och anordning foer styrande av en bergborrmaskins luftmatning
JP3429999B2 (ja) * 1998-01-19 2003-07-28 株式会社神戸製鋼所 スクリュ圧縮機の吐出圧力制御方法
JP3837278B2 (ja) * 2000-08-10 2006-10-25 株式会社神戸製鋼所 圧縮機の運転方法

Also Published As

Publication number Publication date
CN1656319A (zh) 2005-08-17
DE60313320T2 (de) 2007-12-20
EP1511937B1 (de) 2007-04-18
US20030215338A1 (en) 2003-11-20
US6860730B2 (en) 2005-03-01
JP4444818B2 (ja) 2010-03-31
JP2005526214A (ja) 2005-09-02
ATE360146T1 (de) 2007-05-15
AU2003228186B2 (en) 2009-05-07
AU2003228186A1 (en) 2003-12-02
WO2003098048A1 (en) 2003-11-27
ZA200409299B (en) 2005-08-31
EP1511937A1 (de) 2005-03-09
CN1656319B (zh) 2011-04-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition