JP7338796B2 - 内燃機関のロアリンク - Google Patents

内燃機関のロアリンク Download PDF

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Publication number
JP7338796B2
JP7338796B2 JP2022550046A JP2022550046A JP7338796B2 JP 7338796 B2 JP7338796 B2 JP 7338796B2 JP 2022550046 A JP2022550046 A JP 2022550046A JP 2022550046 A JP2022550046 A JP 2022550046A JP 7338796 B2 JP7338796 B2 JP 7338796B2
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JP
Japan
Prior art keywords
oil hole
lower link
pin
oil
crankpin
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.)
Active
Application number
JP2022550046A
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English (en)
Japanese (ja)
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JPWO2022058766A1 (https=
Inventor
宏樹 市原
智也 東條
賢亮 池原
孝司 田辺
勝敏 中村
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of JPWO2022058766A1 publication Critical patent/JPWO2022058766A1/ja
Application granted granted Critical
Publication of JP7338796B2 publication Critical patent/JP7338796B2/ja
Active legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/06Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/32Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/06Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
    • F01M2001/066Connecting rod with passageways
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/04Engines with variable distances between pistons at top dead-centre positions and cylinder heads
    • F02B75/045Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable connecting rod length

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
JP2022550046A 2020-09-15 2020-09-15 内燃機関のロアリンク Active JP7338796B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2020/000771 WO2022058766A1 (ja) 2020-09-15 2020-09-15 内燃機関ロアリンク

Publications (2)

Publication Number Publication Date
JPWO2022058766A1 JPWO2022058766A1 (https=) 2022-03-24
JP7338796B2 true JP7338796B2 (ja) 2023-09-05

Family

ID=80776637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022550046A Active JP7338796B2 (ja) 2020-09-15 2020-09-15 内燃機関のロアリンク

Country Status (5)

Country Link
US (1) US11994046B2 (https=)
EP (1) EP4215724B1 (https=)
JP (1) JP7338796B2 (https=)
CN (1) CN116034215B (https=)
WO (1) WO2022058766A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010185329A (ja) 2009-02-12 2010-08-26 Nissan Motor Co Ltd 内燃機関の複リンク式ピストンクランク機構
WO2015025683A1 (ja) 2013-08-22 2015-02-26 日産自動車株式会社 内燃機関の複リンク式ピストンクランク機構
WO2016042605A1 (ja) 2014-09-17 2016-03-24 日産自動車株式会社 内燃機関
JP2016196888A (ja) 2016-06-27 2016-11-24 日産自動車株式会社 内燃機関の複リンク式ピストン−クランク機構の潤滑構造
JP2019148247A (ja) 2018-02-28 2019-09-05 日産自動車株式会社 内燃機関の複リンク式ピストンクランク機構

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4646879B2 (ja) * 2006-09-08 2011-03-09 本田技研工業株式会社 ストローク特性可変エンジン
EP2463498B1 (en) * 2009-07-17 2016-07-20 Nissan Motor Co., Ltd. Multi-link piston-crank mechanism
JP6036006B2 (ja) * 2012-08-24 2016-11-30 日産自動車株式会社 内燃機関の複リンク式ピストン−クランク機構の潤滑構造
JP6380681B2 (ja) * 2015-09-04 2018-08-29 日産自動車株式会社 内燃機関のピストンクランク機構におけるアッパピンの潤滑構造および潤滑方法
US11391189B2 (en) * 2018-01-31 2022-07-19 Nissan Motor Co., Ltd. Link component with oil hole

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010185329A (ja) 2009-02-12 2010-08-26 Nissan Motor Co Ltd 内燃機関の複リンク式ピストンクランク機構
WO2015025683A1 (ja) 2013-08-22 2015-02-26 日産自動車株式会社 内燃機関の複リンク式ピストンクランク機構
WO2016042605A1 (ja) 2014-09-17 2016-03-24 日産自動車株式会社 内燃機関
JP2016196888A (ja) 2016-06-27 2016-11-24 日産自動車株式会社 内燃機関の複リンク式ピストン−クランク機構の潤滑構造
JP2019148247A (ja) 2018-02-28 2019-09-05 日産自動車株式会社 内燃機関の複リンク式ピストンクランク機構

Also Published As

Publication number Publication date
JPWO2022058766A1 (https=) 2022-03-24
WO2022058766A1 (ja) 2022-03-24
CN116034215A (zh) 2023-04-28
EP4215724B1 (en) 2025-03-05
CN116034215B (zh) 2026-01-02
EP4215724A4 (en) 2023-11-01
US11994046B2 (en) 2024-05-28
US20240035401A1 (en) 2024-02-01
EP4215724A1 (en) 2023-07-26

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