WO2019171098A8 - 可変圧縮比内燃機関 - Google Patents

可変圧縮比内燃機関 Download PDF

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Publication number
WO2019171098A8
WO2019171098A8 PCT/IB2018/000343 IB2018000343W WO2019171098A8 WO 2019171098 A8 WO2019171098 A8 WO 2019171098A8 IB 2018000343 W IB2018000343 W IB 2018000343W WO 2019171098 A8 WO2019171098 A8 WO 2019171098A8
Authority
WO
WIPO (PCT)
Prior art keywords
compression
variable
combustion engine
internal combustion
oil pan
Prior art date
Application number
PCT/IB2018/000343
Other languages
English (en)
French (fr)
Other versions
WO2019171098A1 (ja
Inventor
宏樹 市原
英弘 藤田
悟 大熊
Original Assignee
日産自動車株式会社
ルノー エス、ア、エス
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 日産自動車株式会社, ルノー エス、ア、エス filed Critical 日産自動車株式会社
Priority to US16/977,839 priority Critical patent/US10975763B2/en
Priority to PCT/IB2018/000343 priority patent/WO2019171098A1/ja
Priority to EP18908307.4A priority patent/EP3763925B1/en
Priority to CN201880089981.8A priority patent/CN111757978B/zh
Priority to JP2020504459A priority patent/JP6841972B2/ja
Publication of WO2019171098A1 publication Critical patent/WO2019171098A1/ja
Publication of WO2019171098A8 publication Critical patent/WO2019171098A8/ja

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
    • F02B75/045—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable connecting rod 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
    • F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/041—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of cylinder or cylinderhead positioning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0269—Controlling the valves to perform a Miller-Atkinson cycle
    • 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
    • F02D15/00—Varying compression ratio
    • F02D15/04—Varying compression ratio by alteration of volume of compression space without changing piston stroke
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0002—Cylinder arrangements
    • 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
    • F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
    • F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0021—Construction
    • 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
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0095—Constructing engine casings

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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

シリンダブロック（12)の下部には、オイルパンアッパ（25)が取り付けられている。オイルパンアッパ（25)の側壁（31)には、開口部（33)が形成されている。可変圧縮比機構は、コントロールシャフトの回転位置に応じてピストンの上死点位置を変化させて圧縮比を変更する。コントロールシャフトは、アクチュエ一タ（30)によって回転駆動する。アクチュエ一タ（30)は、オイルパンアッパ（25)の外側に一部が位置した状態でメインベアリングキャップ（13)に固定されている。
PCT/IB2018/000343 2018-03-06 2018-03-06 可変圧縮比内燃機関 WO2019171098A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US16/977,839 US10975763B2 (en) 2018-03-06 2018-03-06 Variable-compression-ratio internal combustion engine
PCT/IB2018/000343 WO2019171098A1 (ja) 2018-03-06 2018-03-06 可変圧縮比内燃機関
EP18908307.4A EP3763925B1 (en) 2018-03-06 2018-03-06 Variable-compression-ratio internal combustion engine
CN201880089981.8A CN111757978B (zh) 2018-03-06 2018-03-06 可变压缩比内燃机
JP2020504459A JP6841972B2 (ja) 2018-03-06 2018-03-06 可変圧縮比内燃機関

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2018/000343 WO2019171098A1 (ja) 2018-03-06 2018-03-06 可変圧縮比内燃機関

Publications (2)

Publication Number Publication Date
WO2019171098A1 WO2019171098A1 (ja) 2019-09-12
WO2019171098A8 true WO2019171098A8 (ja) 2020-08-20

Family

ID=67845780

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2018/000343 WO2019171098A1 (ja) 2018-03-06 2018-03-06 可変圧縮比内燃機関

Country Status (5)

Country Link
US (1) US10975763B2 (ja)
EP (1) EP3763925B1 (ja)
JP (1) JP6841972B2 (ja)
CN (1) CN111757978B (ja)
WO (1) WO2019171098A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115169193B (zh) * 2022-07-20 2024-01-02 韶关学院 一种发动机可变压缩比机构验证方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811280B2 (ja) 1980-03-15 1983-03-02 有限会社 衛研 固液分離による屎尿と雑排水との合併処理方法
EP2063086B1 (en) * 2006-09-12 2013-06-05 Honda Motor Co., Ltd. Engine with variable stroke characteristics
JP2008138607A (ja) * 2006-12-01 2008-06-19 Honda Motor Co Ltd ストローク特性可変エンジン
JP2008138067A (ja) * 2006-12-01 2008-06-19 Lintec Corp 再剥離粘着シート
JP2008144720A (ja) * 2006-12-13 2008-06-26 Honda Motor Co Ltd ストローク特性可変エンジン
JP5471560B2 (ja) * 2010-02-16 2014-04-16 日産自動車株式会社 内燃機関の可変圧縮比装置
EP2787196B1 (en) * 2011-11-29 2016-08-10 Nissan Motor Company, Limited Variable compression ratio internal combustion engine
JP5888108B2 (ja) * 2012-05-18 2016-03-16 日産自動車株式会社 可変圧縮比内燃機関
JP5811280B2 (ja) * 2012-07-27 2015-11-11 日産自動車株式会社 可変圧縮比内燃機関のアクチュエータ取付構造
MX348563B (es) * 2013-02-20 2017-06-20 Nissan Motor Motor de combustión interna de relación de compresión variable.
JP6208035B2 (ja) * 2014-02-04 2017-10-04 日立オートモティブシステムズ株式会社 内燃機関用リンク機構のアクチュエータと可変圧縮比機構のアクチュエータ
RU2642956C1 (ru) * 2014-09-02 2018-01-29 Ниссан Мотор Ко., Лтд. Двигатель внутреннего сгорания с переменной степенью сжатия

Also Published As

Publication number Publication date
WO2019171098A1 (ja) 2019-09-12
JP6841972B2 (ja) 2021-03-10
US20210010416A1 (en) 2021-01-14
CN111757978A (zh) 2020-10-09
EP3763925A4 (en) 2021-01-27
EP3763925B1 (en) 2022-10-19
CN111757978B (zh) 2021-06-25
EP3763925A1 (en) 2021-01-13
JPWO2019171098A1 (ja) 2020-12-03
US10975763B2 (en) 2021-04-13

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