EP3933204A4 - Screw compressor - Google Patents

Screw compressor Download PDF

Info

Publication number
EP3933204A4
EP3933204A4 EP19918120.7A EP19918120A EP3933204A4 EP 3933204 A4 EP3933204 A4 EP 3933204A4 EP 19918120 A EP19918120 A EP 19918120A EP 3933204 A4 EP3933204 A4 EP 3933204A4
Authority
EP
European Patent Office
Prior art keywords
screw compressor
compressor
screw
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.)
Pending
Application number
EP19918120.7A
Other languages
German (de)
French (fr)
Other versions
EP3933204A1 (en
Inventor
Shun Okada
Masaaki Kamikawa
Masahiro Kanda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3933204A1 publication Critical patent/EP3933204A1/en
Publication of EP3933204A4 publication Critical patent/EP3933204A4/en
Pending 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
    • 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
    • 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
    • F04C18/48—Rotary-piston pumps with non-parallel axes of movement of co-operating members
    • F04C18/50—Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees
    • F04C18/52—Rotary-piston pumps with non-parallel axes of movement of co-operating members the axes being arranged at an angle of 90 degrees of intermeshing engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
EP19918120.7A 2019-03-01 2019-03-01 Screw compressor Pending EP3933204A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/008079 WO2020178895A1 (en) 2019-03-01 2019-03-01 Screw compressor

Publications (2)

Publication Number Publication Date
EP3933204A1 EP3933204A1 (en) 2022-01-05
EP3933204A4 true EP3933204A4 (en) 2022-03-09

Family

ID=72338211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19918120.7A Pending EP3933204A4 (en) 2019-03-01 2019-03-01 Screw compressor

Country Status (4)

Country Link
US (1) US20220082099A1 (en)
EP (1) EP3933204A4 (en)
JP (1) JP7112031B2 (en)
WO (1) WO2020178895A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023248450A1 (en) * 2022-06-24 2023-12-28 三菱電機株式会社 Screw compressor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013124600A (en) * 2011-12-15 2013-06-24 Mitsubishi Electric Corp Screw compressor
JP2014206098A (en) * 2013-04-12 2014-10-30 三菱電機株式会社 Screw compressor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4147891B2 (en) 2002-10-16 2008-09-10 ダイキン工業株式会社 Variable VI inverter screw compressor
JP5818522B2 (en) * 2011-06-13 2015-11-18 三菱電機株式会社 Screw compressor
JP5865056B2 (en) * 2011-12-16 2016-02-17 三菱電機株式会社 Screw compressor
JP5888997B2 (en) * 2012-01-18 2016-03-22 三菱電機株式会社 Screw compressor
JP2013209953A (en) * 2012-03-30 2013-10-10 Kobe Steel Ltd Two-stage compression device
JP2014029133A (en) * 2012-07-31 2014-02-13 Mitsubishi Electric Corp Screw compressor
US9664418B2 (en) * 2013-03-14 2017-05-30 Johnson Controls Technology Company Variable volume screw compressors using proportional valve control
EP3084222B1 (en) * 2013-12-19 2018-12-19 Carrier Corporation Compressor comprising a variable volume index valve
CN106415145B (en) * 2014-04-11 2019-08-06 特灵国际有限公司 HVAC system and control
WO2016121021A1 (en) * 2015-01-28 2016-08-04 三菱電機株式会社 Screw compressor
WO2017145251A1 (en) * 2016-02-23 2017-08-31 三菱電機株式会社 Screw compressor and refrigeration cycle device
JPWO2018100911A1 (en) * 2016-11-29 2019-10-17 株式会社前川製作所 Screw compressor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013124600A (en) * 2011-12-15 2013-06-24 Mitsubishi Electric Corp Screw compressor
JP2014206098A (en) * 2013-04-12 2014-10-30 三菱電機株式会社 Screw compressor

Also Published As

Publication number Publication date
JP7112031B2 (en) 2022-08-03
WO2020178895A1 (en) 2020-09-10
US20220082099A1 (en) 2022-03-17
JPWO2020178895A1 (en) 2021-09-30
EP3933204A1 (en) 2022-01-05

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