EP3722609A4 - Screw compressor and air conditioning unit - Google Patents
Screw compressor and air conditioning unit Download PDFInfo
- 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
Links
- 238000004378 air conditioning Methods 0.000 title 1
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)
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)
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)
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)
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 |
CN102656367B (en) * | 2009-12-22 | 2014-10-08 | 大金工业株式会社 | Single-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 |
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 |
CN105805002A (en) * | 2016-05-03 | 2016-07-27 | 华东交通大学 | Double-suction balance type double-screw compressor |
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 |
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 |
-
2018
- 2018-03-05 CN CN201810179519.9A patent/CN108167186B/en active Active
- 2018-12-12 US US16/969,952 patent/US20200408210A1/en not_active Abandoned
- 2018-12-12 EP EP18909109.3A patent/EP3722609B1/en active Active
- 2018-12-12 WO PCT/CN2018/120570 patent/WO2019169922A1/en unknown
Patent Citations (3)
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)
Title |
---|
See also references of WO2019169922A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP3722609A1 (en) | 2020-10-14 |
EP3722609B1 (en) | 2023-06-28 |
US20200408210A1 (en) | 2020-12-31 |
WO2019169922A1 (en) | 2019-09-12 |
CN108167186B (en) | 2024-07-12 |
CN108167186A (en) | 2018-06-15 |
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