EP3978759A4 - Schraubenverdichter - Google Patents

Schraubenverdichter Download PDF

Info

Publication number
EP3978759A4
EP3978759A4 EP19930726.5A EP19930726A EP3978759A4 EP 3978759 A4 EP3978759 A4 EP 3978759A4 EP 19930726 A EP19930726 A EP 19930726A EP 3978759 A4 EP3978759 A4 EP 3978759A4
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
EP19930726.5A
Other languages
English (en)
French (fr)
Other versions
EP3978759A1 (de
Inventor
Naoya MITSUNARI
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 EP3978759A1 publication Critical patent/EP3978759A1/de
Publication of EP3978759A4 publication Critical patent/EP3978759A4/de
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/02—Arrangements of bearings
    • 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
    • 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
    • F04C29/026—Lubricant separation
    • 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
    • F04C29/04—Heating; Cooling; Heat insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/10—Outer members for co-operation with rotary pistons; Casings
    • F01C21/102—Adjustment of the interstices between moving and fixed parts of the machine by means other than fluid pressure
    • 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
    • F04C2240/00—Components
    • F04C2240/50—Bearings
    • F04C2240/56—Bearing bushings or details thereof
    • 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
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/809—Lubricant sump
    • 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)
EP19930726.5A 2019-05-28 2019-05-28 Schraubenverdichter Pending EP3978759A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/020999 WO2020240678A1 (ja) 2019-05-28 2019-05-28 スクリュー圧縮機

Publications (2)

Publication Number Publication Date
EP3978759A1 EP3978759A1 (de) 2022-04-06
EP3978759A4 true EP3978759A4 (de) 2022-07-06

Family

ID=73553142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930726.5A Pending EP3978759A4 (de) 2019-05-28 2019-05-28 Schraubenverdichter

Country Status (2)

Country Link
EP (1) EP3978759A4 (de)
WO (1) WO2020240678A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115076107B (zh) * 2022-07-06 2023-06-23 杭州千岛泵业有限公司 一种悬臂立式螺杆真空泵
WO2024075275A1 (ja) * 2022-10-07 2024-04-11 三菱電機株式会社 スクリュー圧縮機

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2410182A1 (de) * 2009-03-16 2012-01-25 Daikin Industries, Ltd. Schraubenverdichter
JP2013253543A (ja) * 2012-06-06 2013-12-19 Daikin Industries Ltd スクリュー圧縮機
JP2019019678A (ja) * 2017-07-11 2019-02-07 ダイキン工業株式会社 スクリュー圧縮機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05106572A (ja) * 1991-10-17 1993-04-27 Daikin Ind Ltd 一軸形スクリユー圧縮機
JP2013060877A (ja) 2011-09-13 2013-04-04 Daikin Industries Ltd スクリュー圧縮機
JP2019019682A (ja) * 2017-07-12 2019-02-07 ダイキン工業株式会社 スクリュー圧縮機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2410182A1 (de) * 2009-03-16 2012-01-25 Daikin Industries, Ltd. Schraubenverdichter
JP2013253543A (ja) * 2012-06-06 2013-12-19 Daikin Industries Ltd スクリュー圧縮機
JP2019019678A (ja) * 2017-07-11 2019-02-07 ダイキン工業株式会社 スクリュー圧縮機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020240678A1 *

Also Published As

Publication number Publication date
EP3978759A1 (de) 2022-04-06
WO2020240678A1 (ja) 2020-12-03

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Legal Events

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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

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

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17P Request for examination filed

Effective date: 20211122

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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: 20220609

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 28/12 20060101ALI20220602BHEP

Ipc: F01C 21/10 20060101ALI20220602BHEP

Ipc: F04C 29/04 20060101ALI20220602BHEP

Ipc: F04C 29/02 20060101ALI20220602BHEP

Ipc: F01C 21/02 20060101ALI20220602BHEP

Ipc: F04C 18/52 20060101AFI20220602BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)