SE8801524D0 - Lyftventil vid en skruvrotormaskin - Google Patents

Lyftventil vid en skruvrotormaskin

Info

Publication number
SE8801524D0
SE8801524D0 SE8801524A SE8801524A SE8801524D0 SE 8801524 D0 SE8801524 D0 SE 8801524D0 SE 8801524 A SE8801524 A SE 8801524A SE 8801524 A SE8801524 A SE 8801524A SE 8801524 D0 SE8801524 D0 SE 8801524D0
Authority
SE
Sweden
Prior art keywords
pct
machine
cylinder
valve member
valve
Prior art date
Application number
SE8801524A
Other languages
English (en)
Other versions
SE461052B (sv
SE8801524L (sv
Inventor
A Englund
Original Assignee
Svenska Rotor Maskiner 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 Svenska Rotor Maskiner Ab filed Critical Svenska Rotor Maskiner Ab
Priority to SE8801524A priority Critical patent/SE461052B/sv
Publication of SE8801524D0 publication Critical patent/SE8801524D0/sv
Priority to US07/601,687 priority patent/US5052901A/en
Priority to KR1019890702444A priority patent/KR900700760A/ko
Priority to EP89905225A priority patent/EP0413728A1/en
Priority to PCT/SE1989/000227 priority patent/WO1989010489A1/en
Priority to JP1504956A priority patent/JP2843630B2/ja
Publication of SE8801524L publication Critical patent/SE8801524L/sv
Publication of SE461052B publication Critical patent/SE461052B/sv

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08Rotary-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
    • F04C18/12Rotary-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
    • F04C18/14Rotary-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
    • F04C18/16Rotary-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/10Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F04C28/16Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using lift valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Earth Drilling (AREA)
SE8801524A 1988-04-25 1988-04-25 Lyftventil vid en skruvrotormaskin SE461052B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE8801524A SE461052B (sv) 1988-04-25 1988-04-25 Lyftventil vid en skruvrotormaskin
US07/601,687 US5052901A (en) 1988-04-25 1989-04-24 Lift valve in a rotary screw machine
KR1019890702444A KR900700760A (ko) 1988-04-25 1989-04-24 로터리 스크류 기계의 리프틀밸브
EP89905225A EP0413728A1 (en) 1988-04-25 1989-04-24 Lift valve in a rotary screw machine
PCT/SE1989/000227 WO1989010489A1 (en) 1988-04-25 1989-04-24 Lift valve in a rotary screw machine
JP1504956A JP2843630B2 (ja) 1988-04-25 1989-04-24 回転ねじ機械のリフト弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8801524A SE461052B (sv) 1988-04-25 1988-04-25 Lyftventil vid en skruvrotormaskin

Publications (3)

Publication Number Publication Date
SE8801524D0 true SE8801524D0 (sv) 1988-04-25
SE8801524L SE8801524L (sv) 1989-10-26
SE461052B SE461052B (sv) 1989-12-18

Family

ID=20372109

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8801524A SE461052B (sv) 1988-04-25 1988-04-25 Lyftventil vid en skruvrotormaskin

Country Status (6)

Country Link
US (1) US5052901A (sv)
EP (1) EP0413728A1 (sv)
JP (1) JP2843630B2 (sv)
KR (1) KR900700760A (sv)
SE (1) SE461052B (sv)
WO (1) WO1989010489A1 (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4432518A1 (de) * 1994-09-13 1996-03-14 Mahle Gmbh Schraubenverdichter
US5556271A (en) * 1994-11-23 1996-09-17 Coltec Industries Inc. Valve system for capacity control of a screw compressor and method of manufacturing such valves
EP2198125B1 (en) * 2007-10-01 2017-06-21 Carrier Corporation Screw compressor pulsation damper
EP2209968B1 (en) * 2007-10-10 2018-01-24 Carrier Corporation Slide valve system for a screw compressor
EP2304241B1 (en) * 2008-06-24 2016-04-27 Carrier Corporation Automatic volume ratio variation for a rotary screw compressor
JP5281978B2 (ja) * 2009-07-15 2013-09-04 日立アプライアンス株式会社 スクリュー圧縮機
JP5389755B2 (ja) * 2010-08-30 2014-01-15 日立アプライアンス株式会社 スクリュー圧縮機

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2519913A (en) * 1943-08-21 1950-08-22 Jarvis C Marble Helical rotary compressor with pressure and volume regulating means
US3088659A (en) * 1960-06-17 1963-05-07 Svenska Rotor Maskiner Ab Means for regulating helical rotary piston engines
SE366375B (sv) * 1972-06-30 1974-04-22 Stal Refrigeration Ab
SE366374B (sv) * 1972-08-28 1974-04-22 Stal Refrigeration Ab
US3869227A (en) * 1974-03-08 1975-03-04 Vilter Manufacturing Corp Variable capacity rotary screw compressor having variable high pressure suction fluid inlets
US4575323A (en) * 1984-05-23 1986-03-11 Kabushiki Kaisha Kobe Seiko Sho Slide valve type screw compressor
DE3434694A1 (de) * 1984-09-21 1986-04-10 Bitzer Kühlmaschinenbau GmbH & Co KG, 7032 Sindelfingen Schraubenverdichter fuer gasfoermige medien
SE464656B (sv) * 1986-01-31 1991-05-27 Stal Refrigeration Ab Lyftventil foer rotationskompressor
SE464885B (sv) * 1988-04-25 1991-06-24 Svenska Rotor Maskiner Ab Skruvkompressor med lyftventil

Also Published As

Publication number Publication date
JPH03503919A (ja) 1991-08-29
EP0413728A1 (en) 1991-02-27
US5052901A (en) 1991-10-01
JP2843630B2 (ja) 1999-01-06
WO1989010489A1 (en) 1989-11-02
SE461052B (sv) 1989-12-18
SE8801524L (sv) 1989-10-26
KR900700760A (ko) 1990-08-16

Similar Documents

Publication Publication Date Title
DK1163979T3 (da) Pneumatisk præcisionstang
DE59204528D1 (de) Antriebseinrichtung für ein Abbruchwerkzeug.
SE8802274D0 (sv) Roterande kompressor av fortrengningstypen samt kylanleggning
SE8801524D0 (sv) Lyftventil vid en skruvrotormaskin
SE7812136L (sv) Pneumatiskt manoverdon
US2550148A (en) Multiple position spool valve for machine tools
NO153017B (no) Trykkfluidaktuator med posisjonsinnstillings-anordning
ATE7618T1 (de) Tuerbetaetigungseinrichtung.
DE50200354D1 (de) Kolben/Zylinder-Einheit mit einer Drehsicherung zwichen Kolben und Kolbenstange
BR9803361A (pt) Válvula de controle com vedação axial.
FR2609321B1 (fr) Vanne a commande pneumatique et bloc de distribution destine a une telle vanne
DE59403422D1 (de) Fluidbetätigter Arbeitszylinder mit integrierten Stell- und Steuergliedern
DE59506556D1 (de) Hydraulisch betätigte Verriegelungsvorrichtung für Schnellwechsler an Bau- und Arbeitsmaschinen
AU2003291937A1 (en) High pressure device and method for clean room applications
SU676763A1 (ru) Линейный гидроусилитель
ATE275456T1 (de) Vorrichtung für eine werkzeugspindel
SU920276A1 (ru) Трехпозиционный гидроцилиндр
SE9401395L (sv) Hydraulisk bussning
US1236701A (en) Pneumatic tool.
GB190423818A (en) Improvements in and relating to Machine Tools in which the Actuating Parts, or some of them, Receive Reciprocating Motion.
JPS54117879A (en) Device for anchoring piston rod for piston and cylinder device
SE0201155D0 (sv) A device for producing a linear movement
DE3864814D1 (de) Druckmittelbetaetigte einrichtung fuer den antrieb einer drehwelle.
ATE248733T1 (de) Hauptzylinder mit dynamisch modulierbarer hydraulischer reaktion
DE69305839T2 (de) Ventilsteuervorrichtung

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8801524-3

Format of ref document f/p: F

NUG Patent has lapsed