EP3677784A4 - ROTARY SHAFT OF A ROTARY COMPRESSOR AND ROTARY COMPRESSOR - Google Patents

ROTARY SHAFT OF A ROTARY COMPRESSOR AND ROTARY COMPRESSOR Download PDF

Info

Publication number
EP3677784A4
EP3677784A4 EP18867363.6A EP18867363A EP3677784A4 EP 3677784 A4 EP3677784 A4 EP 3677784A4 EP 18867363 A EP18867363 A EP 18867363A EP 3677784 A4 EP3677784 A4 EP 3677784A4
Authority
EP
European Patent Office
Prior art keywords
rotary
compressor
rotary compressor
shaft
rotary shaft
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
EP18867363.6A
Other languages
German (de)
French (fr)
Other versions
EP3677784A1 (en
EP3677784B1 (en
EP3677784C0 (en
Inventor
Makoto Ogawa
Hajime Sato
Takashi Watanabe
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.)
Mitsubishi Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy Industries Thermal Systems 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.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Thermal Systems Ltd filed Critical Mitsubishi Heavy Industries Thermal Systems Ltd
Publication of EP3677784A1 publication Critical patent/EP3677784A1/en
Publication of EP3677784A4 publication Critical patent/EP3677784A4/en
Application granted granted Critical
Publication of EP3677784B1 publication Critical patent/EP3677784B1/en
Publication of EP3677784C0 publication Critical patent/EP3677784C0/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
    • F04C18/30—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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP18867363.6A 2017-10-18 2018-10-18 Rotating shaft of rotary compressor and rotary compressor Active EP3677784B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017201554A JP6350843B1 (en) 2017-10-18 2017-10-18 Rotary shaft of rotary compressor and rotary compressor
PCT/JP2018/038818 WO2019078293A1 (en) 2017-10-18 2018-10-18 Rotating shaft of rotary compressor and rotary compressor

Publications (4)

Publication Number Publication Date
EP3677784A1 EP3677784A1 (en) 2020-07-08
EP3677784A4 true EP3677784A4 (en) 2020-09-09
EP3677784B1 EP3677784B1 (en) 2025-04-02
EP3677784C0 EP3677784C0 (en) 2025-04-02

Family

ID=62779892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18867363.6A Active EP3677784B1 (en) 2017-10-18 2018-10-18 Rotating shaft of rotary compressor and rotary compressor

Country Status (5)

Country Link
EP (1) EP3677784B1 (en)
JP (1) JP6350843B1 (en)
CN (1) CN111226039B (en)
AU (1) AU2018352907B2 (en)
WO (1) WO2019078293A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111486091B (en) * 2019-11-21 2023-12-08 山东青耕电气有限公司 Single-cylinder rotor type liquid high-frequency reversing device and compressor thereof
CN117469160A (en) * 2023-11-06 2024-01-30 广东美芝精密制造有限公司 Compression assembly, compressor and refrigeration equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002138979A (en) * 2000-10-30 2002-05-17 Hitachi Ltd Multi cylinder rotary compressor
JP2013096280A (en) * 2011-10-31 2013-05-20 Mitsubishi Electric Corp Rotary compressor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3723408B2 (en) * 1999-08-31 2005-12-07 三洋電機株式会社 2-cylinder two-stage compression rotary compressor
JP4380054B2 (en) * 2000-10-30 2009-12-09 株式会社日立製作所 2-cylinder rotary compressor
JP2006177228A (en) * 2004-12-22 2006-07-06 Hitachi Home & Life Solutions Inc Rotary two-stage compressor and air conditioner using the same
JP2009028633A (en) * 2007-07-26 2009-02-12 Panasonic Corp Cleaning method
JP5117503B2 (en) * 2007-08-28 2013-01-16 東芝キヤリア株式会社 Multi-cylinder rotary compressor and refrigeration cycle apparatus
JP5998522B2 (en) 2012-02-29 2016-09-28 株式会社富士通ゼネラル Rotary compressor
JP6076643B2 (en) * 2012-07-31 2017-02-08 三菱重工業株式会社 Rotary fluid machine and assembly method thereof
JP6512244B2 (en) 2017-07-04 2019-05-15 株式会社デンソーウェーブ Stationary information code reader

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002138979A (en) * 2000-10-30 2002-05-17 Hitachi Ltd Multi cylinder rotary compressor
JP2013096280A (en) * 2011-10-31 2013-05-20 Mitsubishi Electric Corp Rotary compressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019078293A1 *

Also Published As

Publication number Publication date
CN111226039A (en) 2020-06-02
AU2018352907B2 (en) 2021-06-10
JP6350843B1 (en) 2018-07-04
EP3677784A1 (en) 2020-07-08
CN111226039B (en) 2022-03-08
JP2019074047A (en) 2019-05-16
AU2018352907A1 (en) 2020-04-23
WO2019078293A1 (en) 2019-04-25
EP3677784B1 (en) 2025-04-02
EP3677784C0 (en) 2025-04-02

Similar Documents

Publication Publication Date Title
EP3494309C0 (en) Rotary compressor with impeller distance control device and impeller distance control method for rotary compressors
KR102695487B9 (en) Magnetically levitable rotor and rotating machine having such rotor
EP3356680C0 (en) Radial compressor with magnetic bearings and surge prediction using shaft position
EP3690248A4 (en) OIL LINE STRUCTURE OF A COMPRESSOR AND COMPRESSOR
EP3978758C0 (en) ROTARY COMPRESSOR
EP4047210A4 (en) ROTARY COMPRESSOR
EP4310334A4 (en) ROTARY COMPRESSOR
EP3660316A4 (en) ROTARY COMPRESSOR
EP3597923A4 (en) ROTARY COMPRESSOR
BR112017027509A2 (en) COMPRESSOR WHEEL AND USE OF A COMPRESSOR WHEEL
EP4206469A4 (en) ROTARY COMPRESSOR
EP3734011A4 (en) ROTATING SEAL
EP3534006A4 (en) CRANKSHAFT AND ROTARY COMPRESSOR
EP3677784A4 (en) ROTARY SHAFT OF A ROTARY COMPRESSOR AND ROTARY COMPRESSOR
EP3705697A4 (en) TURBINE AND TURBOCHARGER
EP3705698A4 (en) TURBINE AND TURBOCHARGER
EP3647595A4 (en) ROTARY COMPRESSOR
EP3660312A4 (en) OLDHAM RING AND SCREW COMPRESSOR
EP3951181C0 (en) ROTARY COMPRESSOR
EP4008906A4 (en) ROTARY COMPRESSOR
EP3636929A4 (en) ROTARY COMPRESSOR
EP3680487A4 (en) EXHAUST ARRANGEMENT AND COMPRESSOR
EP3480464A4 (en) COMPRESSOR OF DOUBLE VOLUTE ROTATION TYPE
EP3363991C0 (en) SLIDING ELEMENT OF A COMPRESSOR AND COMPRESSOR WITH IT
EP3636927A4 (en) SILENCER AND COMPRESSOR

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: 20200330

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

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20200812

RIC1 Information provided on ipc code assigned before grant

Ipc: F04C 29/00 20060101AFI20200806BHEP

Ipc: F04C 23/00 20060101ALI20200806BHEP

Ipc: F04C 18/356 20060101ALI20200806BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20221220

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20241030

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

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

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602018080805

Country of ref document: DE

U01 Request for unitary effect filed

Effective date: 20250416

U07 Unitary effect registered

Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT RO SE SI

Effective date: 20250424

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250402

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250703

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250702

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250402

U20 Renewal fee for the european patent with unitary effect paid

Year of fee payment: 8

Effective date: 20250909

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20250828

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250402

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250702

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250802

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250402

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250402

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20250402

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: CH

Ref legal event code: L10

Free format text: ST27 STATUS EVENT CODE: U-0-0-L10-L00 (AS PROVIDED BY THE NATIONAL OFFICE)

Effective date: 20260211

26N No opposition filed

Effective date: 20260105