EP3842640A4 - Multiple-stage compressor - Google Patents

Multiple-stage compressor Download PDF

Info

Publication number: EP3842640A4
Authority: EP; European Patent Office
Prior art keywords: stage compressor; compressor; stage
Prior art date: 2018-09-18
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

EP19863099.8A

Other languages

German (de)

French (fr)

Other versions

EP3842640B1 (en

EP3842640A1 (en

Inventor

Masaaki Ajima

Masamichi Iwasaki

Hiroyuki TERAWAKI

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.)

Fuji Electric Co Ltd

Original Assignee

Fuji Electric Co Ltd

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.)

2018-09-18

Filing date

2019-09-11

Publication date

2021-10-27

2019-09-11 Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd

2021-06-30 Publication of EP3842640A1 publication Critical patent/EP3842640A1/en

2021-10-27 Publication of EP3842640A4 publication Critical patent/EP3842640A4/en

2024-03-20 Application granted granted Critical

2024-03-20 Publication of EP3842640B1 publication Critical patent/EP3842640B1/en

Status Active legal-status Critical Current

2039-09-11 Anticipated expiration legal-status Critical

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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
- 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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
- F04C18/0269—Details concerning the involute wraps
- F04C18/0276—Different wall heights
- 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
- F04C27/005—Axial sealings for working fluid

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Rotary Pumps (AREA)
Applications Or Details Of Rotary Compressors (AREA)

EP19863099.8A 2018-09-18 2019-09-11 Multi-stage compressor Active EP3842640B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2018034517		2018-09-18
PCT/JP2019/035772 WO2020059608A1 (en)	2018-09-18	2019-09-11	Multiple-stage compressor

Publications (3)

Publication Number	Publication Date
EP3842640A1 EP3842640A1 (en)	2021-06-30
EP3842640A4 true EP3842640A4 (en)	2021-10-27
EP3842640B1 EP3842640B1 (en)	2024-03-20

Family

ID=69887654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19863099.8A Active EP3842640B1 (en)	2018-09-18	2019-09-11	Multi-stage compressor

Country Status (4)

Country	Link
EP (1)	EP3842640B1 (en)
JP (1)	JP6943345B2 (en)
CN (1)	CN111868384B (en)
WO (1)	WO2020059608A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20030161747A1 (en) *	2001-09-27	2003-08-28	Tohru Satoh	Scroll-type fluid machine
JP2017031887A (en) *	2015-07-31	2017-02-09	富士電機株式会社	Scroll compressor and heat cycle system
JP2018028313A (en) *	2016-08-16	2018-02-22	富士電機株式会社	Scroll compressor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4911620A (en) *	1988-05-12	1990-03-27	Tecumseh Products Company	Scroll compressor top cover plate
JPH06159278A (en) *	1992-04-01	1994-06-07	Nippon Soken Inc	Rolling piston type compressor
JP2004332556A (en)	2003-04-30	2004-11-25	Tokico Ltd	Multistage compressor
JP4699109B2 (en) *	2005-06-29	2011-06-08	株式会社ケーヒン	Scroll compressor
FR2947308B1 (en) *	2009-06-30	2014-04-18	Danfoss Commercial Compressors	MULTI-STAGE VOLUME MACHINE
KR101280155B1 (en) *	2009-11-06	2013-06-28	미쓰비시덴키 가부시키가이샤	Heat pump device, two-stage compressor, and method of operating heat pump device
JP2018009565A (en) *	2016-06-30	2018-01-18	株式会社デンソー	Multi-stage compressor
JP2018127903A (en) *	2017-02-06	2018-08-16	株式会社Ｓｏｋｅｎ	Compressor
CN107044416A (en) *	2017-03-07	2017-08-15	无锡五洋川普涡旋科技有限公司	A kind of water-cooled three stage compression oil-free vortex air compressor

2019
- 2019-09-11 JP JP2020548408A patent/JP6943345B2/en active Active
- 2019-09-11 WO PCT/JP2019/035772 patent/WO2020059608A1/en unknown
- 2019-09-11 CN CN201980016332.XA patent/CN111868384B/en active Active
- 2019-09-11 EP EP19863099.8A patent/EP3842640B1/en active Active

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20030161747A1 (en) *	2001-09-27	2003-08-28	Tohru Satoh	Scroll-type fluid machine
JP2017031887A (en) *	2015-07-31	2017-02-09	富士電機株式会社	Scroll compressor and heat cycle system
JP2018028313A (en) *	2016-08-16	2018-02-22	富士電機株式会社	Scroll compressor

Also Published As

Publication number	Publication date
CN111868384B (en)	2022-06-03
CN111868384A (en)	2020-10-30
JP6943345B2 (en)	2021-09-29
JPWO2020059608A1 (en)	2021-02-15
WO2020059608A1 (en)	2020-03-26
EP3842640B1 (en)	2024-03-20
EP3842640A1 (en)	2021-06-30

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EP3575601A4 (en)	2020-01-08	Scroll compressor
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EP3540221A4 (en)	2020-06-03	Compressor
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EP3663583A4 (en)	2020-08-05	Scroll compressor
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EP3661020A4 (en)	2020-07-15	Compressor
EP3578822A4 (en)	2020-10-28	Scroll compressor
EP3575602A4 (en)	2020-01-01	Scroll compressor
EP3748163A4 (en)	2020-12-09	Scroll compressor
EP3913768A4 (en)	2022-11-09	Compressor
EP3779195A4 (en)	2021-02-24	Scroll compressor
EP3572670A4 (en)	2020-01-08	Scroll compressor
EP3561303A4 (en)	2019-12-18	Scroll compressor

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