DE2134994C3 - Zweistufige parallel- und außenachsige Rotationskolbenmaschine für elastische Arbeitsmedien - Google Patents

Zweistufige parallel- und außenachsige Rotationskolbenmaschine für elastische Arbeitsmedien

Info

Publication number
DE2134994C3
DE2134994C3 DE2134994A DE2134994A DE2134994C3 DE 2134994 C3 DE2134994 C3 DE 2134994C3 DE 2134994 A DE2134994 A DE 2134994A DE 2134994 A DE2134994 A DE 2134994A DE 2134994 C3 DE2134994 C3 DE 2134994C3
Authority
DE
Germany
Prior art keywords
rotary piston
valve
piston machine
stage
pressure
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
Application number
DE2134994A
Other languages
German (de)
English (en)
Other versions
DE2134994A1 (de
DE2134994B2 (de
Inventor
Walther Johanneshov Persson (Schweden)
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.)
Svenska Rotor Maskiner AB
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
Publication of DE2134994A1 publication Critical patent/DE2134994A1/de
Publication of DE2134994B2 publication Critical patent/DE2134994B2/de
Application granted granted Critical
Publication of DE2134994C3 publication Critical patent/DE2134994C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F01C20/00—Control of, monitoring of, or safety arrangements for, machines or engines
    • F01C20/10—Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
    • F01C20/12—Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
    • F01C20/125—Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves with sliding valves controlled by the use of fluid other than the working fluid
    • 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)
  • Rotary Pumps (AREA)
  • Rotary-Type Compressors (AREA)
  • Hydraulic Motors (AREA)
DE2134994A 1970-07-16 1971-07-14 Zweistufige parallel- und außenachsige Rotationskolbenmaschine für elastische Arbeitsmedien Expired DE2134994C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3452570A GB1365285A (en) 1970-07-16 1970-07-16 Meshing screw rotor positivedisplacement machines

Publications (3)

Publication Number Publication Date
DE2134994A1 DE2134994A1 (de) 1972-01-20
DE2134994B2 DE2134994B2 (de) 1979-04-26
DE2134994C3 true DE2134994C3 (de) 1979-12-20

Family

ID=10366730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2134994A Expired DE2134994C3 (de) 1970-07-16 1971-07-14 Zweistufige parallel- und außenachsige Rotationskolbenmaschine für elastische Arbeitsmedien

Country Status (6)

Country Link
US (1) US3756753A (OSRAM)
JP (1) JPS5428603B1 (OSRAM)
BE (1) BE769872A (OSRAM)
CA (1) CA954098A (OSRAM)
DE (1) DE2134994C3 (OSRAM)
GB (1) GB1365285A (OSRAM)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE366375B (OSRAM) * 1972-06-30 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
USRE29283E (en) * 1974-07-26 1977-06-28 Dunham-Bush, Inc. Undercompression and overcompression free helical screw rotary compressor
US3936239A (en) * 1974-07-26 1976-02-03 Dunham-Bush, Inc. Undercompression and overcompression free helical screw rotary compressor
US4005949A (en) * 1974-10-10 1977-02-01 Vilter Manufacturing Corporation Variable capacity rotary screw compressor
GB1555330A (en) * 1978-03-21 1979-11-07 Hall Thermotank Prod Ltd Rotary fluid machines
US4610612A (en) * 1985-06-03 1986-09-09 Vilter Manufacturing Corporation Rotary screw gas compressor having dual slide valves
US4610613A (en) * 1985-06-03 1986-09-09 Vilter Manufacturing Corporation Control means for gas compressor having dual slide valves
US6283716B1 (en) 1997-10-28 2001-09-04 Coltec Industries Inc. Multistage blowdown valve for a compressor system
US6422846B1 (en) * 2001-03-30 2002-07-23 Carrier Corporation Low pressure unloader mechanism
US6638029B2 (en) 2001-12-19 2003-10-28 Hamilton Sunstrand Corporation Pressure ratio modulation for a two stage oil free compressor assembly
DE10242139A1 (de) * 2002-09-03 2004-03-18 Bitzer Kühlmaschinenbau Gmbh Schraubenverdichter
CN101523046B (zh) * 2006-10-16 2012-06-13 开利公司 压缩机滑阀阀座
US7891955B2 (en) * 2007-02-22 2011-02-22 Vilter Manufacturing Llc Compressor having a dual slide valve assembly
BRPI0808620A2 (pt) * 2007-03-29 2014-08-12 Vilter Mfg Llc "compressor, conjunto de válvula de gaveta de alta pressão para uso em um compressor e método de controle de taxa de volume de compressão, de entrada de potência e de capacidade em um compressor operando em um ambiente de alta pressão"
WO2009048446A1 (en) * 2007-10-10 2009-04-16 Carrier Corporation Slide valve system for a screw compressor
EP2439411B1 (en) * 2010-10-06 2017-08-23 LEONARDO S.p.A. Pump assembly, in particular for helicopter lubrication
US9920763B2 (en) 2015-09-17 2018-03-20 Ingersoll-Rand Company Contact cooled rotary airend injection spray insert
US12055145B2 (en) 2021-07-21 2024-08-06 Copeland Industrial Lp Self-positioning volume slide valve for screw compressor
WO2025155288A1 (en) * 2024-01-18 2025-07-24 Hitachi Global Air Power Us, Llc Capacity control valve for screw compressor and method
US12378962B1 (en) 2024-05-28 2025-08-05 Copeland Industrial Lp Self-positioning volume slide control for screw compressor
US12372088B1 (en) 2024-05-28 2025-07-29 Copeland Industrial Lp Self-positioning volume slide control with position feedback for screw compressor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR804327A (fr) * 1935-03-28 1936-10-21 Milo Ab Compresseur rotatif pourvu d'une denture helicoïdale, pour puissance variable
US2645903A (en) * 1947-02-20 1953-07-21 Douglas A Elkins Variable ratio rotary pump and motor hydraulic transmission
US2749571A (en) * 1951-06-23 1956-06-12 Pasquetti Carlo Machine for mixing and extruding
GB819485A (en) * 1956-04-12 1959-09-02 Svenska Rotor Maskiner Ab Improvements in gear devices acting as pumps or motors
US3088659A (en) * 1960-06-17 1963-05-07 Svenska Rotor Maskiner Ab Means for regulating helical rotary piston engines
NO117317B (OSRAM) * 1964-03-20 1969-07-28 Svenska Rotor Maskiner Ab
GB1171291A (en) * 1965-10-12 1969-11-19 Svenska Rotor Maskiner Ab Screw Rotor Machines

Also Published As

Publication number Publication date
JPS5428603B1 (OSRAM) 1979-09-18
BE769872A (fr) 1971-11-16
GB1365285A (en) 1974-08-29
CA954098A (en) 1974-09-03
DE2134994A1 (de) 1972-01-20
US3756753A (en) 1973-09-04
DE2134994B2 (de) 1979-04-26

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee