ZA821245B - Improvements in screw compressors - Google Patents

Improvements in screw compressors

Info

Publication number
ZA821245B
ZA821245B ZA821245A ZA821245A ZA821245B ZA 821245 B ZA821245 B ZA 821245B ZA 821245 A ZA821245 A ZA 821245A ZA 821245 A ZA821245 A ZA 821245A ZA 821245 B ZA821245 B ZA 821245B
Authority
ZA
South Africa
Prior art keywords
screw compressors
compressors
screw
Prior art date
Application number
ZA821245A
Inventor
Sidney John Morris
Original Assignee
Compair Ind 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 Compair Ind Ltd filed Critical Compair Ind Ltd
Publication of ZA821245B publication Critical patent/ZA821245B/en

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
    • F04C28/16—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 lift valves
    • 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
ZA821245A 1981-03-04 1982-02-25 Improvements in screw compressors ZA821245B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8106754A GB2093915A (en) 1981-03-04 1981-03-04 Rotary compressors

Publications (1)

Publication Number Publication Date
ZA821245B true ZA821245B (en) 1983-01-26

Family

ID=10520127

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA821245A ZA821245B (en) 1981-03-04 1982-02-25 Improvements in screw compressors

Country Status (5)

Country Link
EP (1) EP0060639A1 (en)
JP (1) JPS57148094A (en)
AU (1) AU8097582A (en)
GB (1) GB2093915A (en)
ZA (1) ZA821245B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE439042B (en) * 1983-07-20 1985-05-28 Imo Ab SCREW PUMP WITH CONTROL DEVICE
GB8511729D0 (en) * 1985-05-09 1985-06-19 Svenska Rotor Maskiner Ab Screw rotor compressor
GB2212605B (en) * 1987-11-17 1991-05-29 Cico Chimney Linings Limited Lining chimneys
US4925372A (en) * 1989-04-07 1990-05-15 Vickers, Incorporated Power transmission

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB420501A (en) * 1933-09-29 1934-12-03 Sulzer Ag Improvements in or relating to rotary compressors
US2623469A (en) * 1948-07-23 1952-12-30 Gray Company Inc Gear pump
FR1303685A (en) * 1961-08-23 1962-09-14 Studia Technica Ets Rotary machine
DE2641482A1 (en) * 1976-09-15 1978-03-16 Aerzener Maschf Gmbh SCREW COMPRESSOR

Also Published As

Publication number Publication date
EP0060639A1 (en) 1982-09-22
JPS57148094A (en) 1982-09-13
AU8097582A (en) 1982-09-09
GB2093915A (en) 1982-09-08

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