GB1486942A - Positive displacement compressors - Google Patents

Positive displacement compressors

Info

Publication number
GB1486942A
GB1486942A GB1688474A GB1688474A GB1486942A GB 1486942 A GB1486942 A GB 1486942A GB 1688474 A GB1688474 A GB 1688474A GB 1688474 A GB1688474 A GB 1688474A GB 1486942 A GB1486942 A GB 1486942A
Authority
GB
United Kingdom
Prior art keywords
valve
pressure
oil
port
compressor
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
GB1688474A
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.)
Hydrovane Compressor Co Ltd
Original Assignee
Hydrovane Compressor Co 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 Hydrovane Compressor Co Ltd filed Critical Hydrovane Compressor Co Ltd
Priority to GB1688474A priority Critical patent/GB1486942A/en
Priority to IT4911175A priority patent/IT1035321B/en
Priority to JP4628675A priority patent/JPS5110409A/en
Priority to ES436657A priority patent/ES436657A1/en
Priority to DE19752516582 priority patent/DE2516582A1/en
Publication of GB1486942A publication Critical patent/GB1486942A/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
    • F04C28/24—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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation

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)
  • Rotary Pumps (AREA)

Abstract

1486942 Rotary positive-displacement fluidmachines HYDROVANE COMPRESSOR CO Ltd 16 April 1975 [17 April 1974] 16884/74 Heading F1F [Also in Division G3] In an air compressor an unloading valve 20 is operated by pressure transmitted from an air and oil separator 17 by way of a pilot valve 30, and oil escapes from the separator to the air inlet conduit 19 through the valve 30. When a spring-loaded spool-type valve-member 31 is in an intermediate position the pressure at a port 34 is between the pressure in a passage 40 and that at a port 35 communicating with the conduit 19, the valve 30 thus acting as a pressure divider and allowing oil in said passage to enter the conduit 19. When the member 31 is in either of its extreme positions oil can leak past it to the port 35. The valve 20 also serves as a non-return valve. The compressor may be of the sliding-vane type (as shown) or of the internally-meshing screw type.
GB1688474A 1974-04-17 1974-04-17 Positive displacement compressors Expired GB1486942A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB1688474A GB1486942A (en) 1974-04-17 1974-04-17 Positive displacement compressors
IT4911175A IT1035321B (en) 1974-04-17 1975-04-15 IMPROVEMENT IN CAPSULISM COMPRESSORS
JP4628675A JPS5110409A (en) 1974-04-17 1975-04-16 HENSHINBANEGATAATSUSHUKUKI
ES436657A ES436657A1 (en) 1974-04-17 1975-04-16 Positive displacement compressors
DE19752516582 DE2516582A1 (en) 1974-04-17 1975-04-16 ROTARY PISTON COMPRESSOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1688474A GB1486942A (en) 1974-04-17 1974-04-17 Positive displacement compressors

Publications (1)

Publication Number Publication Date
GB1486942A true GB1486942A (en) 1977-09-28

Family

ID=10085417

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1688474A Expired GB1486942A (en) 1974-04-17 1974-04-17 Positive displacement compressors

Country Status (5)

Country Link
JP (1) JPS5110409A (en)
DE (1) DE2516582A1 (en)
ES (1) ES436657A1 (en)
GB (1) GB1486942A (en)
IT (1) IT1035321B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119443A (en) * 1982-04-24 1983-11-16 Gen Eng Radcliffe 1979 An oil sealed pump
US4441871A (en) * 1981-12-18 1984-04-10 Hydrovane Compressor Company Limited Rotary compressors with primary and secondary oil separation means

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2075597B (en) * 1980-05-02 1983-10-26 Hydrovane Compressor Rotary air compressors
JPS60119206U (en) * 1984-07-24 1985-08-12 皆川　功 Ridge beating device of ridge adjustment machine
IT1223469B (en) * 1987-12-15 1990-09-19 Enea Mattei Spa EQUIPMENT FOR THE CONTROL OF A ROTARY AIR COMPRESSOR

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441871A (en) * 1981-12-18 1984-04-10 Hydrovane Compressor Company Limited Rotary compressors with primary and secondary oil separation means
GB2119443A (en) * 1982-04-24 1983-11-16 Gen Eng Radcliffe 1979 An oil sealed pump

Also Published As

Publication number Publication date
IT1035321B (en) 1979-10-20
DE2516582A1 (en) 1975-10-30
JPS5110409A (en) 1976-01-27
ES436657A1 (en) 1977-01-01
JPS5641835B2 (en) 1981-09-30

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Legal Events

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