EP3722609A4 - Screw compressor and air conditioning unit - Google Patents

Screw compressor and air conditioning unit Download PDF

Info

Publication number
EP3722609A4
EP3722609A4 EP18909109.3A EP18909109A EP3722609A4 EP 3722609 A4 EP3722609 A4 EP 3722609A4 EP 18909109 A EP18909109 A EP 18909109A EP 3722609 A4 EP3722609 A4 EP 3722609A4
Authority
EP
European Patent Office
Prior art keywords
air conditioning
conditioning unit
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.)
Granted
Application number
EP18909109.3A
Other languages
German (de)
French (fr)
Other versions
EP3722609B1 (en
EP3722609A1 (en
Inventor
Hua Liu
Zhiping Zhang
Tianyi Zhang
Yushi BI
Cong Cao
Rihua LI
Qiangjun MENG
Ziyuan HUANG
Helong ZHANG
Yungong XU
Baoge ZHANG
Zhihua Liu
Furong HOU
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Publication of EP3722609A1 publication Critical patent/EP3722609A1/en
Publication of EP3722609A4 publication Critical patent/EP3722609A4/en
Application granted granted Critical
Publication of EP3722609B1 publication Critical patent/EP3722609B1/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
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • 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
    • F04C29/0021—Systems for the equilibration of forces acting on the pump
    • 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
    • F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
    • F04C29/0085—Prime movers
    • 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
    • F04C2240/30—Casings or housings
    • 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
    • F04C2240/40—Electric motor
    • 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
    • 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
    • F04C2250/00—Geometry
    • F04C2250/20—Geometry of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP18909109.3A 2018-03-05 2018-12-12 Screw compressor and air conditioning unit Active EP3722609B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810179519.9A CN108167186B (en) 2018-03-05 2018-03-05 Screw compressor and air conditioning unit
PCT/CN2018/120570 WO2019169922A1 (en) 2018-03-05 2018-12-12 Screw compressor and air conditioning unit

Publications (3)

Publication Number Publication Date
EP3722609A1 EP3722609A1 (en) 2020-10-14
EP3722609A4 true EP3722609A4 (en) 2020-11-25
EP3722609B1 EP3722609B1 (en) 2023-06-28

Family

ID=62511449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18909109.3A Active EP3722609B1 (en) 2018-03-05 2018-12-12 Screw compressor and air conditioning unit

Country Status (4)

Country Link
US (1) US20200408210A1 (en)
EP (1) EP3722609B1 (en)
CN (1) CN108167186B (en)
WO (1) WO2019169922A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108167186B (en) * 2018-03-05 2024-07-12 珠海格力电器股份有限公司 Screw compressor and air conditioning unit
CN109578275A (en) * 2018-12-27 2019-04-05 珠海格力电器股份有限公司 Two-stage screw compressor and two-stage rotor set mounting structure used by same
CN110388320A (en) * 2019-08-26 2019-10-29 珠海格力电器股份有限公司 Two-stage screw compressor with axial force balancing function and air conditioning unit
CN114033681A (en) * 2021-11-08 2022-02-11 中北大学 Combined type vacuum pump based on spiral double-claw rotor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61294184A (en) * 1985-06-20 1986-12-24 Kobe Steel Ltd Tandem type screw compressor
CN1793654A (en) * 2005-12-22 2006-06-28 西安交通大学 Double-screw compressor for high pressure system
WO2018024201A1 (en) * 2016-08-02 2018-02-08 Johnson Controls Air Conditioning And Refrigeration (Wuxi) Co., Ltd. A screw compressor with male and female rotors

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0718422B2 (en) * 1988-04-27 1995-03-06 株式会社日立製作所 Compound type two-stage screw compressor
JP4265577B2 (en) * 2005-06-30 2009-05-20 日立アプライアンス株式会社 Two stage screw compressor
JP2007023848A (en) * 2005-07-14 2007-02-01 Hitachi Ltd Two stage screw compressor
US9051935B2 (en) * 2009-12-22 2015-06-09 Daikin Industries, Ltd. Single screw compressor
CN102996450A (en) * 2011-09-08 2013-03-27 上海汉钟精机股份有限公司 Semi-enclosed double-screw compressor
CN202250858U (en) * 2011-09-08 2012-05-30 上海汉钟精机股份有限公司 Semi-closed type double-screw compressor
CN105805002A (en) * 2016-05-03 2016-07-27 华东交通大学 Double-suction balance type double-screw compressor
CN207920855U (en) * 2018-03-05 2018-09-28 珠海格力电器股份有限公司 Screw compressor and air conditioning unit
CN108167186B (en) * 2018-03-05 2024-07-12 珠海格力电器股份有限公司 Screw compressor and air conditioning unit
CN108167189A (en) * 2018-03-05 2018-06-15 珠海格力电器股份有限公司 Compressor and air conditioning unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61294184A (en) * 1985-06-20 1986-12-24 Kobe Steel Ltd Tandem type screw compressor
CN1793654A (en) * 2005-12-22 2006-06-28 西安交通大学 Double-screw compressor for high pressure system
WO2018024201A1 (en) * 2016-08-02 2018-02-08 Johnson Controls Air Conditioning And Refrigeration (Wuxi) Co., Ltd. A screw compressor with male and female rotors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019169922A1 *

Also Published As

Publication number Publication date
EP3722609B1 (en) 2023-06-28
EP3722609A1 (en) 2020-10-14
WO2019169922A1 (en) 2019-09-12
US20200408210A1 (en) 2020-12-31
CN108167186A (en) 2018-06-15
CN108167186B (en) 2024-07-12

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