EP3421800A4 - Screw compressor and refrigeration cycle device - Google Patents

Screw compressor and refrigeration cycle device Download PDF

Info

Publication number
EP3421800A4
EP3421800A4 EP16891410.9A EP16891410A EP3421800A4 EP 3421800 A4 EP3421800 A4 EP 3421800A4 EP 16891410 A EP16891410 A EP 16891410A EP 3421800 A4 EP3421800 A4 EP 3421800A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration cycle
screw compressor
cycle device
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.)
Granted
Application number
EP16891410.9A
Other languages
German (de)
French (fr)
Other versions
EP3421800B1 (en
EP3421800A1 (en
Inventor
Masahiro Kanda
Masaaki Kamikawa
Hideaki Nagata
Mihoko Shimoji
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 EP3421800A4 publication Critical patent/EP3421800A4/en
Publication of EP3421800A1 publication Critical patent/EP3421800A1/en
Application granted granted Critical
Publication of EP3421800B1 publication Critical patent/EP3421800B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP16891410.9A 2016-02-23 2016-02-23 Screw compressor and refrigeration cycle device Active EP3421800B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/055145 WO2017145251A1 (en) 2016-02-23 2016-02-23 Screw compressor and refrigeration cycle device

Publications (3)

Publication Number Publication Date
EP3421800A4 true EP3421800A4 (en) 2019-01-02
EP3421800A1 EP3421800A1 (en) 2019-01-02
EP3421800B1 EP3421800B1 (en) 2020-03-25

Family

ID=59685991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16891410.9A Active EP3421800B1 (en) 2016-02-23 2016-02-23 Screw compressor and refrigeration cycle device

Country Status (2)

Country Link
EP (1) EP3421800B1 (en)
WO (1) WO2017145251A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019220562A1 (en) * 2018-05-16 2019-11-21 三菱電機株式会社 Screw compressor
GB2581526A (en) * 2019-02-22 2020-08-26 J & E Hall Ltd Single screw compressor
US20220082099A1 (en) * 2019-03-01 2022-03-17 Mitsubishi Electric Corporation Screw compressor
EP3981987A4 (en) * 2019-06-05 2022-06-29 Mitsubishi Electric Corporation Screw compressor, and refrigeration cycle device
CN112377408B (en) * 2020-11-12 2022-06-17 河北恒工精密装备股份有限公司 Screw rotor exhaust end face compensation method, compensation structure and screw compressor head

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014029133A (en) * 2012-07-31 2014-02-13 Mitsubishi Electric Corp Screw compressor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59131593U (en) * 1983-02-22 1984-09-04 株式会社神戸製鋼所 Oil-free screw compressor with slide valve
JPH07111184B2 (en) * 1988-12-05 1995-11-29 株式会社荏原製作所 Screw compressor
US8366405B2 (en) * 2007-12-17 2013-02-05 Daikin Industries, Ltd. Screw compressor with capacity control slide valve
JP5865056B2 (en) * 2011-12-16 2016-02-17 三菱電機株式会社 Screw compressor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014029133A (en) * 2012-07-31 2014-02-13 Mitsubishi Electric Corp Screw compressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017145251A1 *

Also Published As

Publication number Publication date
EP3421800B1 (en) 2020-03-25
WO2017145251A1 (en) 2017-08-31
EP3421800A1 (en) 2019-01-02

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