EP3988792A4 - Hermetic compressor and refrigeration cycle device - Google Patents
Hermetic compressor and refrigeration cycle device Download PDFInfo
- Publication number
- EP3988792A4 EP3988792A4 EP19939139.2A EP19939139A EP3988792A4 EP 3988792 A4 EP3988792 A4 EP 3988792A4 EP 19939139 A EP19939139 A EP 19939139A EP 3988792 A4 EP3988792 A4 EP 3988792A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- refrigeration cycle
- cycle device
- hermetic compressor
- hermetic
- compressor
- 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
- 238000005057 refrigeration 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
- 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
- F04C29/023—Lubricant distribution through a hollow driving shaft
-
- 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
- F01C21/104—Stators; Members defining the outer boundaries of the working chamber
- F01C21/108—Stators; Members defining the outer boundaries of the working chamber with an axial surface, e.g. side plates
-
- 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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- F04C18/3564—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
-
- 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
- F04C2240/00—Components
- F04C2240/60—Shafts
-
- 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
- F04C2240/807—Balance weight, counterweight
-
- 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
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/JP2019/030101 WO2021019750A1 (en) | 2019-07-31 | 2019-07-31 | Hermetic compressor and refrigeration cycle device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3988792A1 EP3988792A1 (en) | 2022-04-27 |
EP3988792A4 true EP3988792A4 (en) | 2023-01-04 |
Family
ID=74228626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19939139.2A Pending EP3988792A4 (en) | 2019-07-31 | 2019-07-31 | Hermetic compressor and refrigeration cycle device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3988792A4 (en) |
JP (1) | JP7242862B2 (en) |
CN (1) | CN114072582B (en) |
WO (1) | WO2021019750A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6194296U (en) * | 1984-11-28 | 1986-06-18 | ||
JPH09250483A (en) * | 1996-03-19 | 1997-09-22 | Mitsubishi Electric Corp | Rotary type compressor |
KR20050053371A (en) * | 2003-12-01 | 2005-06-08 | 엘지전자 주식회사 | Apparatus for reducing thrust face friction of vane compressor |
US20170248139A1 (en) * | 2016-02-26 | 2017-08-31 | Panasonic Intellectual Property Management Co., Ltd. | Two-cylinder hermetic compressor |
JP2018165502A (en) * | 2017-03-28 | 2018-10-25 | 東芝キヤリア株式会社 | Rotary compressor and refrigeration cycle device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0244991B2 (en) | 1984-08-08 | 1990-10-05 | Comany Kk | TOIRETSUTODOANOCHIRISHORISOCHI |
JP6262101B2 (en) * | 2014-08-27 | 2018-01-17 | 東芝キヤリア株式会社 | Rotary compressor and refrigeration cycle apparatus |
-
2019
- 2019-07-31 WO PCT/JP2019/030101 patent/WO2021019750A1/en unknown
- 2019-07-31 EP EP19939139.2A patent/EP3988792A4/en active Pending
- 2019-07-31 JP JP2021536563A patent/JP7242862B2/en active Active
- 2019-07-31 CN CN201980098227.5A patent/CN114072582B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6194296U (en) * | 1984-11-28 | 1986-06-18 | ||
JPH09250483A (en) * | 1996-03-19 | 1997-09-22 | Mitsubishi Electric Corp | Rotary type compressor |
KR20050053371A (en) * | 2003-12-01 | 2005-06-08 | 엘지전자 주식회사 | Apparatus for reducing thrust face friction of vane compressor |
US20170248139A1 (en) * | 2016-02-26 | 2017-08-31 | Panasonic Intellectual Property Management Co., Ltd. | Two-cylinder hermetic compressor |
JP2018165502A (en) * | 2017-03-28 | 2018-10-25 | 東芝キヤリア株式会社 | Rotary compressor and refrigeration cycle device |
Also Published As
Publication number | Publication date |
---|---|
CN114072582A (en) | 2022-02-18 |
WO2021019750A1 (en) | 2021-02-04 |
JPWO2021019750A1 (en) | 2021-02-04 |
JP7242862B2 (en) | 2023-03-20 |
EP3988792A1 (en) | 2022-04-27 |
CN114072582B (en) | 2023-08-29 |
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Legal Events
Date | Code | Title | Description |
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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 |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20211203 |
|
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 |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20221207 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04C 23/00 20060101ALI20221201BHEP Ipc: F04C 18/356 20060101ALI20221201BHEP Ipc: F04C 29/02 20060101ALI20221201BHEP Ipc: F01C 21/10 20060101AFI20221201BHEP |
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Ref country code: DE Ref legal event code: R079 Free format text: PREVIOUS MAIN CLASS: F04C0029020000 Ipc: F01C0021100000 |
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GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04C 23/00 20060101ALI20240613BHEP Ipc: F04C 18/356 20060101ALI20240613BHEP Ipc: F04C 29/02 20060101ALI20240613BHEP Ipc: F01C 21/10 20060101AFI20240613BHEP |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
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INTG | Intention to grant announced |
Effective date: 20240718 |