EP4112940A4 - Compresseur à vis et congélateur - Google Patents
Compresseur à vis et congélateur Download PDFInfo
- Publication number
- EP4112940A4 EP4112940A4 EP20922379.1A EP20922379A EP4112940A4 EP 4112940 A4 EP4112940 A4 EP 4112940A4 EP 20922379 A EP20922379 A EP 20922379A EP 4112940 A4 EP4112940 A4 EP 4112940A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- freezer
- 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
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
- F04C18/48—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
- 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
- F04C23/008—Hermetic pumps
-
- 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
- F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
-
- 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
- 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
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/008051 WO2021171489A1 (fr) | 2020-02-27 | 2020-02-27 | Compresseur à vis et congélateur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4112940A1 EP4112940A1 (fr) | 2023-01-04 |
EP4112940A4 true EP4112940A4 (fr) | 2023-04-26 |
Family
ID=77491094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20922379.1A Pending EP4112940A4 (fr) | 2020-02-27 | 2020-02-27 | Compresseur à vis et congélateur |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP4112940A4 (fr) |
WO (1) | WO2021171489A1 (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4903497A (en) * | 1987-09-04 | 1990-02-27 | Bernard Zimmern | Methods and devices for cooling a motor of a refrigerating machine with liquid and economizer gas |
DE102012102346A1 (de) * | 2012-03-20 | 2013-09-26 | Bitzer Kühlmaschinenbau Gmbh | Kältemittelverdichter |
JP2015001220A (ja) * | 2013-06-18 | 2015-01-05 | ダイキン工業株式会社 | スクリュー圧縮機 |
EP2873858A1 (fr) * | 2012-05-18 | 2015-05-20 | Valeo Japan Co., Ltd. | Compresseur électrique |
JP2017053280A (ja) * | 2015-09-10 | 2017-03-16 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー(ホンコン)リミテッド | スクリュー圧縮機 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5141115U (fr) * | 1974-09-24 | 1976-03-26 | ||
JP3950304B2 (ja) * | 2000-06-23 | 2007-08-01 | 株式会社神戸製鋼所 | 冷凍装置用スクリュ圧縮機 |
JP2008057875A (ja) * | 2006-08-31 | 2008-03-13 | Mitsubishi Electric Corp | 冷凍サイクル装置 |
JP6373034B2 (ja) * | 2014-03-31 | 2018-08-15 | 三菱電機株式会社 | 冷凍機 |
JP7075721B2 (ja) | 2017-04-10 | 2022-05-26 | 日立ジョンソンコントロールズ空調株式会社 | スクリュー圧縮機 |
-
2020
- 2020-02-27 EP EP20922379.1A patent/EP4112940A4/fr active Pending
- 2020-02-27 WO PCT/JP2020/008051 patent/WO2021171489A1/fr unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4903497A (en) * | 1987-09-04 | 1990-02-27 | Bernard Zimmern | Methods and devices for cooling a motor of a refrigerating machine with liquid and economizer gas |
DE102012102346A1 (de) * | 2012-03-20 | 2013-09-26 | Bitzer Kühlmaschinenbau Gmbh | Kältemittelverdichter |
EP2873858A1 (fr) * | 2012-05-18 | 2015-05-20 | Valeo Japan Co., Ltd. | Compresseur électrique |
JP2015001220A (ja) * | 2013-06-18 | 2015-01-05 | ダイキン工業株式会社 | スクリュー圧縮機 |
JP2017053280A (ja) * | 2015-09-10 | 2017-03-16 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー(ホンコン)リミテッド | スクリュー圧縮機 |
Non-Patent Citations (1)
Title |
---|
See also references of WO2021171489A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2021171489A1 (fr) | 2021-09-02 |
EP4112940A1 (fr) | 2023-01-04 |
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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: 20220706 |
|
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: 20230324 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04C 23/00 20060101ALI20230320BHEP Ipc: F04C 29/04 20060101AFI20230320BHEP |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |