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)
English (en)
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 (ja) 2019-03-01 2019-03-01 スクリュー圧縮機

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 (ja)
EP (1) EP3933204A4 (ja)
JP (1) JP7112031B2 (ja)
WO (1) WO2020178895A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023248450A1 (ja) * 2022-06-24 2023-12-28 三菱電機株式会社 スクリュー圧縮機

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013124600A (ja) * 2011-12-15 2013-06-24 Mitsubishi Electric Corp スクリュー圧縮機
JP2014206098A (ja) * 2013-04-12 2014-10-30 三菱電機株式会社 スクリュー圧縮機

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4147891B2 (ja) * 2002-10-16 2008-09-10 ダイキン工業株式会社 可変ｖｉ式インバータスクリュー圧縮機
JP5818522B2 (ja) * 2011-06-13 2015-11-18 三菱電機株式会社 スクリュー圧縮機
JP5865056B2 (ja) * 2011-12-16 2016-02-17 三菱電機株式会社 スクリュー圧縮機
JP5888997B2 (ja) * 2012-01-18 2016-03-22 三菱電機株式会社 スクリュー圧縮機
JP2013209953A (ja) * 2012-03-30 2013-10-10 Kobe Steel Ltd ２段圧縮装置
JP2014029133A (ja) * 2012-07-31 2014-02-13 Mitsubishi Electric Corp スクリュー圧縮機
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
US9989943B2 (en) * 2014-04-11 2018-06-05 Trane International Inc. HVAC systems and controls
EP3252310B1 (en) * 2015-01-28 2024-04-03 Mitsubishi Electric Corporation Screw compressor
EP3421800B1 (en) * 2016-02-23 2020-03-25 Mitsubishi Electric Corporation Screw compressor and refrigeration cycle device
EP3524818A4 (en) * 2016-11-29 2019-11-20 Mayekawa Mfg. Co., Ltd. SCREW COMPRESSOR

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013124600A (ja) * 2011-12-15 2013-06-24 Mitsubishi Electric Corp スクリュー圧縮機
JP2014206098A (ja) * 2013-04-12 2014-10-30 三菱電機株式会社 スクリュー圧縮機

Also Published As

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

Similar Documents

Publication Publication Date Title
EP3754199A4 (en) SPIRAL COMPRESSOR
EP3812590A4 (en) SCROLL COMPRESSOR
EP3680485A4 (en) SCREW COMPRESSOR
EP3922853A4 (en) MULTI-STAGE SCREW COMPRESSOR
EP3861259A4 (en) COMPRESSOR WALL
EP3933202A4 (en) SCROLL COMPRESSOR
EP3754193A4 (en) COMPRESSOR
EP3748163A4 (en) SPIRAL COMPRESSOR
EP3978759A4 (en) SCREW COMPRESSOR
EP3842641A4 (en) SCREW COMPRESSOR
EP3779195A4 (en) SPIRAL COMPRESSOR
EP3564532A4 (en) SCREW COMPRESSOR
EP3608543A4 (en) SCREW COMPRESSOR
EP3933204A4 (en) SCREW COMPRESSOR
EP4056850A4 (en) COMPRESSOR
EP4053412A4 (en) COMPRESSOR
EP4027017A4 (en) COMPRESSOR
EP3798448A4 (en) SCREW COMPRESSOR
EP3940230A4 (en) COMPRESSOR
EP4039976A4 (en) COMPRESSOR
EP3926183A4 (en) SCREW
EP3832138A4 (en) SCREW COMPRESSOR
GB2581204B (en) Screw compressor
EP3933198A4 (en) COMPRESSOR
EP3848586A4 (en) COMPRESSOR

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210708

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20220209

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 28/12 20060101ALI20220203BHEP

Ipc: F04C 18/16 20060101ALI20220203BHEP

Ipc: F04C 18/52 20060101AFI20220203BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20240229