EP3719273A4 - VARIABLE COMPRESSION DEVICE AND ENGINE SYSTEM - Google Patents

VARIABLE COMPRESSION DEVICE AND ENGINE SYSTEM Download PDF

Info

Publication number
EP3719273A4
EP3719273A4 EP18882401.5A EP18882401A EP3719273A4 EP 3719273 A4 EP3719273 A4 EP 3719273A4 EP 18882401 A EP18882401 A EP 18882401A EP 3719273 A4 EP3719273 A4 EP 3719273A4
Authority
EP
European Patent Office
Prior art keywords
engine system
compression device
variable compression
variable
engine
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
EP18882401.5A
Other languages
German (de)
French (fr)
Other versions
EP3719273B1 (en
EP3719273A1 (en
Inventor
Yutaka Masuda
Kazuki YOTSUI
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.)
IHI Corp
Original Assignee
IHI Corp
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 IHI Corp filed Critical IHI Corp
Publication of EP3719273A1 publication Critical patent/EP3719273A1/en
Publication of EP3719273A4 publication Critical patent/EP3719273A4/en
Application granted granted Critical
Publication of EP3719273B1 publication Critical patent/EP3719273B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
    • F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/044—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of an adjustable piston length
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D15/00—Varying compression ratio
    • F02D15/02—Varying compression ratio by alteration or displacement of piston stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D23/00—Controlling engines characterised by their being supercharged
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
EP18882401.5A 2017-11-28 2018-11-28 Variable compression device, and engine system Active EP3719273B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017228333A JP6946977B2 (en) 2017-11-28 2017-11-28 Variable compressor and engine system
PCT/JP2018/043835 WO2019107434A1 (en) 2017-11-28 2018-11-28 Variable compression device, and engine system

Publications (3)

Publication Number Publication Date
EP3719273A1 EP3719273A1 (en) 2020-10-07
EP3719273A4 true EP3719273A4 (en) 2021-08-25
EP3719273B1 EP3719273B1 (en) 2023-01-04

Family

ID=66665020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18882401.5A Active EP3719273B1 (en) 2017-11-28 2018-11-28 Variable compression device, and engine system

Country Status (6)

Country Link
EP (1) EP3719273B1 (en)
JP (1) JP6946977B2 (en)
KR (1) KR102279170B1 (en)
CN (1) CN111373131B (en)
DK (1) DK3719273T3 (en)
WO (1) WO2019107434A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4166769B1 (en) * 2021-10-18 2025-04-09 WinGD Ltd. Internal combustion engine with variable compression ratio device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014020375A (en) * 2012-07-17 2014-02-03 Waertsilae Schweiz Ag Large reciprocating piston combustion engine, and control apparatus and method for controlling such engine
WO2016182000A1 (en) * 2015-05-11 2016-11-17 株式会社Ihi Crosshead engine
EP3098417A1 (en) * 2014-01-20 2016-11-30 IHI Corporation Engine
EP3098416A1 (en) * 2014-01-20 2016-11-30 IHI Corporation Crosshead engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07197910A (en) * 1993-12-29 1995-08-01 Nabco Ltd Hydraulic cylinder
DE19835146A1 (en) * 1998-08-04 1999-06-10 Daimler Chrysler Ag Automotive engine connecting rod
JP4252996B2 (en) * 2005-12-28 2009-04-08 本田技研工業株式会社 Variable compression ratio device for internal combustion engine
KR101534709B1 (en) * 2013-12-18 2015-07-08 현대자동차 주식회사 Variable compression ratio engine
KR101901428B1 (en) * 2014-10-30 2018-09-21 가부시키가이샤 아이에이치아이 Uniflow scavenging two-cycle engine
JP6451486B2 (en) * 2015-05-11 2019-01-16 株式会社Ihi Hydraulic generator and crosshead engine
JP6717684B2 (en) 2016-06-23 2020-07-01 富士フイルム株式会社 Magnetic tape and magnetic tape device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014020375A (en) * 2012-07-17 2014-02-03 Waertsilae Schweiz Ag Large reciprocating piston combustion engine, and control apparatus and method for controlling such engine
EP3098417A1 (en) * 2014-01-20 2016-11-30 IHI Corporation Engine
EP3098416A1 (en) * 2014-01-20 2016-11-30 IHI Corporation Crosshead engine
WO2016182000A1 (en) * 2015-05-11 2016-11-17 株式会社Ihi Crosshead engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019107434A1 *

Also Published As

Publication number Publication date
DK3719273T3 (en) 2023-01-30
CN111373131B (en) 2022-02-25
KR20200047671A (en) 2020-05-07
EP3719273B1 (en) 2023-01-04
JP6946977B2 (en) 2021-10-13
WO2019107434A1 (en) 2019-06-06
KR102279170B1 (en) 2021-07-19
EP3719273A1 (en) 2020-10-07
CN111373131A (en) 2020-07-03
JP2019100183A (en) 2019-06-24

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