EP1788218A3 - Internal combustion engine having scavenging control valve - Google Patents

Internal combustion engine having scavenging control valve Download PDF

Info

Publication number
EP1788218A3
EP1788218A3 EP06124274A EP06124274A EP1788218A3 EP 1788218 A3 EP1788218 A3 EP 1788218A3 EP 06124274 A EP06124274 A EP 06124274A EP 06124274 A EP06124274 A EP 06124274A EP 1788218 A3 EP1788218 A3 EP 1788218A3
Authority
EP
European Patent Office
Prior art keywords
control valve
scavenging
scavenging control
piston ring
scavenge
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.)
Withdrawn
Application number
EP06124274A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1788218A2 (en
Inventor
Satoru Nagasaki Research & Dev. Center MITSUBISHI Murata
Shuichi KOBE Shipyard & Machinery Works Mitsubishi Yoshikawa
Sadao KOBE Shipyard & Machinery Works Mitsubishi Yoshihara
Jun KOBE Shipyard & Machinery Works Mitsubishi Yanagi
Hiroyuki KOBE Shipyard & Machinery Works Mitsubishi Ishida
Katsuo Ryonichi Engineering Co. LTD Kanazawa Div. Yodogawa
Yasu Ryonichi Engineering Co. LTD Kanazawa Div Tomiya
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 Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP1788218A2 publication Critical patent/EP1788218A2/en
Publication of EP1788218A3 publication Critical patent/EP1788218A3/en
Withdrawn legal-status Critical Current

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
    • 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
    • F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
    • F02B25/20—Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
    • 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
    • F02F1/22—Other cylinders characterised by having ports in cylinder wall for scavenging or charging
    • 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
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/025—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle two

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
EP06124274A 2005-11-18 2006-11-17 Internal combustion engine having scavenging control valve Withdrawn EP1788218A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005333970A JP4395474B2 (ja) 2005-11-18 2005-11-18 掃気管制弁装置を備えた内燃機関

Publications (2)

Publication Number Publication Date
EP1788218A2 EP1788218A2 (en) 2007-05-23
EP1788218A3 true EP1788218A3 (en) 2012-07-25

Family

ID=37708284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06124274A Withdrawn EP1788218A3 (en) 2005-11-18 2006-11-17 Internal combustion engine having scavenging control valve

Country Status (4)

Country Link
EP (1) EP1788218A3 (ja)
JP (1) JP4395474B2 (ja)
KR (1) KR100777949B1 (ja)
CN (1) CN100491707C (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK179051B1 (en) * 2012-01-30 2017-09-18 Man Diesel & Turbo Filial Af Man Diesel & Turbo Se Tyskland Large two-stroke engine, inlet valve and cylinder liner
DK3214292T3 (da) 2014-10-30 2020-01-06 Ihi Corp Jævnstrømsskylningstotaktsmotor
DE102015005316A1 (de) * 2015-04-27 2016-10-27 Thai Thanh An Ventilvorrichtung mit langsam drehenden Drehventilen für Verbrennungsmotoren

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812323A (en) * 1929-06-10 1931-06-30 Davison Engineering Corp Internal combustion engine
JPS55164726A (en) * 1979-06-09 1980-12-22 Mitsubishi Heavy Ind Ltd Scavenge controlling apparatus for two-cycle internal combustion engine
JPS5896129A (ja) * 1981-12-04 1983-06-08 Mitsubishi Heavy Ind Ltd ユニフロー掃気式２サイクル内燃機関
JPS5956310U (ja) * 1982-10-05 1984-04-12 日立造船株式会社 内燃機関の掃気管制弁装置
US5109810A (en) * 1990-09-24 1992-05-05 Christenson Howard W Two cycle internal combustion hydrocycle engine
EP1471228A2 (en) * 2003-04-21 2004-10-27 Mitsubishi Heavy Industries, Ltd. Internal combustion engine equipped with a scavenging control valve apparatus
JP2006022734A (ja) * 2004-07-08 2006-01-26 Mitsubishi Heavy Ind Ltd 掃気管制弁装置を備えた内燃機関

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6029810B2 (ja) * 1979-09-21 1985-07-12 三菱重工業株式会社 ２サイクル内燃機関の掃気装置
JPS59192824A (ja) * 1983-04-16 1984-11-01 Hitachi Zosen Corp 内筒式掃排気管制弁
JPS61268822A (ja) 1985-05-21 1986-11-28 Hitachi Zosen Corp 掃気管制装置
US5020487A (en) * 1989-04-26 1991-06-04 Volkswagen Internal combustion engine with load-responsive valve control for combustion chamber scavenging
JPH04132857A (ja) * 1990-09-25 1992-05-07 Mazda Motor Corp エンジンの燃料供給装置
JPH04365930A (ja) * 1991-06-13 1992-12-17 Mitsubishi Heavy Ind Ltd ２段掃気口を有する２サイクルユニフロー掃気機関
JPH07324626A (ja) * 1994-05-31 1995-12-12 Mitsubishi Heavy Ind Ltd 掃気孔管制弁を具えたユニフロー掃気式２サイクルディーゼル機関
JPH08334027A (ja) * 1995-06-08 1996-12-17 Daihatsu Motor Co Ltd ２サイクルユニフローディーゼル機関

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812323A (en) * 1929-06-10 1931-06-30 Davison Engineering Corp Internal combustion engine
JPS55164726A (en) * 1979-06-09 1980-12-22 Mitsubishi Heavy Ind Ltd Scavenge controlling apparatus for two-cycle internal combustion engine
JPS5896129A (ja) * 1981-12-04 1983-06-08 Mitsubishi Heavy Ind Ltd ユニフロー掃気式２サイクル内燃機関
JPS5956310U (ja) * 1982-10-05 1984-04-12 日立造船株式会社 内燃機関の掃気管制弁装置
US5109810A (en) * 1990-09-24 1992-05-05 Christenson Howard W Two cycle internal combustion hydrocycle engine
EP1471228A2 (en) * 2003-04-21 2004-10-27 Mitsubishi Heavy Industries, Ltd. Internal combustion engine equipped with a scavenging control valve apparatus
JP2004340120A (ja) * 2003-04-21 2004-12-02 Mitsubishi Heavy Ind Ltd 掃気管制弁装置を備えた内燃機関
JP2006022734A (ja) * 2004-07-08 2006-01-26 Mitsubishi Heavy Ind Ltd 掃気管制弁装置を備えた内燃機関

Also Published As

Publication number Publication date
KR100777949B1 (ko) 2007-11-21
CN1982669A (zh) 2007-06-20
EP1788218A2 (en) 2007-05-23
KR20070053150A (ko) 2007-05-23
JP4395474B2 (ja) 2010-01-06
JP2007138834A (ja) 2007-06-07
CN100491707C (zh) 2009-05-27

Similar Documents

Publication Publication Date Title
EP2463495A3 (en) Two-cycle engine
WO2009038044A1 (ja) ディーゼルエンジン
SE9902113L (sv) Förbränningsmotor
US8662031B2 (en) Uniflow portless two-stroke engine
EP1788218A3 (en) Internal combustion engine having scavenging control valve
US9145845B2 (en) Ventilation slots in a cylinder wall
JP4279123B2 (ja) 掃気管制弁装置を備えた内燃機関
US20140000549A1 (en) Compression ring for an engine
US9194327B2 (en) Cylinder liner with slots
US4282837A (en) Two-cycle diesel engine with piston ring stabilizing accumulator volume
US20170030290A1 (en) Recess to encourage ring lift
US20150021861A1 (en) Engine having piston with l-shaped timing ring
RU2731250C1 (ru) Схема применения кольцевых клапанов в механизмах газораспределения в поршневых двигателях внутреннего сгорания
CN2259495Y (zh) 搭口互补活塞环
WO2013160540A1 (en) Piston engine and method for adjusting compression ratio
WO2015123529A1 (en) Multi-piece cylinder
RU2697206C1 (ru) Двухтактный двигатель внутреннего сгорания Дюпина
KR200431488Y1 (ko) 소기관 제어 밸브 장치를 구비한 내연 기관
FI128417B (en) Cylinder liner with recesses
US9347345B2 (en) Internal combustion engines and oil containment systems thereof
RU2264552C1 (ru) Цилиндропоршневая группа двигателя внутреннего сгорания
CN208311445U (zh) 一种组合式活塞气环
JP3355096B2 (ja) ２サイクルエンジン
JP2014020303A (ja) 内燃機関用ピストンおよびピストンリング
JPH04137222U (ja) シリンダライナ

Legal Events

Date Code Title Description
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

17P Request for examination filed

Effective date: 20061117

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

RIC1 Information provided on ipc code assigned before grant

Ipc: F02B 25/04 20060101ALI20120319BHEP

Ipc: F01L 1/38 20060101ALI20120319BHEP

Ipc: F01L 9/02 20060101ALI20120319BHEP

Ipc: F01L 7/04 20060101AFI20120319BHEP

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

RIC1 Information provided on ipc code assigned before grant

Ipc: F01L 1/38 20060101ALI20120618BHEP

Ipc: F02B 25/04 20060101ALI20120618BHEP

Ipc: F01L 7/04 20060101AFI20120618BHEP

Ipc: F01L 9/02 20060101ALI20120618BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIN1 Information on inventor provided before grant (corrected)

Inventor name: TOMIYA, YASU RYONICHI ENGINEERING CO. LTD KANAZAWA

Inventor name: MURATA, SATORU MITSUBISHI HEAVY INDUSTRIES, LTD.

Inventor name: ISHIDA, HIROYUKI, MITSUBISHI HEAVY INDUSTRIES, LTD

Inventor name: YOSHIKAWA, SHUICHI, MITSUBISHI HEAVY INDUSTRIES, L

Inventor name: YANAGI, JUN, MITSUBISHI HEAVY INDUSTRIES, LTD.

Inventor name: YOSHIHARA, SADAO, MITSUBISHI HEAVY INDUSTRIES, LTD

Inventor name: YODOGAWA, KATSUO RYONICHI ENGINEERING CO. LTD KANA

AKX Designation fees paid

Designated state(s): CH DE DK LI

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20130710