GB1461039A - Screw compressor - Google Patents

Screw compressor

Info

Publication number
GB1461039A
GB1461039A GB743975A GB743975A GB1461039A GB 1461039 A GB1461039 A GB 1461039A GB 743975 A GB743975 A GB 743975A GB 743975 A GB743975 A GB 743975A GB 1461039 A GB1461039 A GB 1461039A
Authority
GB
United Kingdom
Prior art keywords
valve
chamber
ducts
screw compressor
feb
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
GB743975A
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.)
KUEHLAUTOMAT VEB
Original Assignee
KUEHLAUTOMAT VEB
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 KUEHLAUTOMAT VEB filed Critical KUEHLAUTOMAT VEB
Publication of GB1461039A publication Critical patent/GB1461039A/en
Expired 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
    • F04C28/10—Control 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
    • F04C28/12—Control 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 sliding valves
    • F04C28/125—Control 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 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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C28/26—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels

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)

Abstract

1461039 Rotary positive-displacement fluidmachines KUHLAUTOMAT VEB 21 Feb 1975 [22 Feb 1974] 7439/75 Heading E1F In a meshing-screw compressor, Figs. 1, 3 and 4, having male and female rotors 7, 8 and a "slide valve" 11 to regulate the delivery rate, ducts 19, 20 in the valve and a "bracket" 18 connect a delivery chamber 5 to a contracting chamber between the rotor lands and lobes, so as to equalize the pressures and thus reduce noise, when the valve is at or near to its minimum delivery position. The positions of the ducts 19, 20 may be in effect reversed, Figs. 2 and 5 (not shown). Alternatively, the ducts 19, 20 are arranged to connect the chamber 5 to a suction chamber 4 when the valve is at or near to its minimum delivery position, Fig. 6 (not shown).
GB743975A 1974-02-22 1975-02-21 Screw compressor Expired GB1461039A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD17674874A DD110920A1 (en) 1974-02-22 1974-02-22

Publications (1)

Publication Number Publication Date
GB1461039A true GB1461039A (en) 1977-01-13

Family

ID=5494713

Family Applications (1)

Application Number Title Priority Date Filing Date
GB743975A Expired GB1461039A (en) 1974-02-22 1975-02-21 Screw compressor

Country Status (9)

Country Link
CS (1) CS180815B1 (en)
DD (1) DD110920A1 (en)
DE (1) DE2501451C2 (en)
DK (1) DK139689B (en)
FR (1) FR2262210B3 (en)
GB (1) GB1461039A (en)
NL (1) NL184580C (en)
SE (1) SE398912B (en)
SU (1) SU962673A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2157370A (en) * 1984-04-13 1985-10-23 Aerzener Maschf Gmbh Roots compressor
EP2089609A1 (en) * 2006-12-05 2009-08-19 Carrier Corporation Integral slide valve relief valve
CN106151041A (en) * 2016-08-22 2016-11-23 珠海格力电器股份有限公司 Slide valve, screw compressor with same and screw unit
CN109667760A (en) * 2017-10-17 2019-04-23 复盛股份有限公司 Compressor

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54163416A (en) * 1978-06-14 1979-12-26 Hitachi Ltd Screw compressor
DE10326466B4 (en) * 2003-06-12 2016-03-17 Gea Refrigeration Germany Gmbh Slide with start unloading
RU2538188C1 (en) * 2013-08-20 2015-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Омский государственный технический университет" Multipurpose spur displacement machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO117317B (en) * 1964-03-20 1969-07-28 Svenska Rotor Maskiner Ab
US3367562A (en) * 1966-06-23 1968-02-06 Atlas Copco Ab Means for unloading and controlling compressor units

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2157370A (en) * 1984-04-13 1985-10-23 Aerzener Maschf Gmbh Roots compressor
EP2089609A1 (en) * 2006-12-05 2009-08-19 Carrier Corporation Integral slide valve relief valve
EP2089609A4 (en) * 2006-12-05 2013-01-09 Carrier Corp Integral slide valve relief valve
CN106151041A (en) * 2016-08-22 2016-11-23 珠海格力电器股份有限公司 Slide valve, screw compressor with same and screw unit
CN106151041B (en) * 2016-08-22 2018-07-10 珠海格力电器股份有限公司 Slide valve, screw compressor with same and screw unit
CN109667760A (en) * 2017-10-17 2019-04-23 复盛股份有限公司 Compressor
CN109667760B (en) * 2017-10-17 2020-02-07 复盛股份有限公司 Compressor with a compressor housing having a plurality of compressor blades

Also Published As

Publication number Publication date
SU962673A1 (en) 1982-09-30
DD110920A1 (en) 1975-01-12
DE2501451C2 (en) 1985-10-31
FR2262210B3 (en) 1977-10-28
CS180815B1 (en) 1978-02-28
DK67575A (en) 1975-11-03
NL7501233A (en) 1975-08-26
DK139689B (en) 1979-03-26
DK139689C (en) 1979-09-10
FR2262210A1 (en) 1975-09-19
NL184580B (en) 1989-04-03
SE398912B (en) 1978-01-23
SE7501980L (en) 1975-08-25
DE2501451A1 (en) 1975-08-28
NL184580C (en) 1989-09-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee