WO2008111469A1 - クランクシャフトの軸受構造 - Google Patents

クランクシャフトの軸受構造 Download PDF

Info

Publication number
WO2008111469A1
WO2008111469A1 PCT/JP2008/054007 JP2008054007W WO2008111469A1 WO 2008111469 A1 WO2008111469 A1 WO 2008111469A1 JP 2008054007 W JP2008054007 W JP 2008054007W WO 2008111469 A1 WO2008111469 A1 WO 2008111469A1
Authority
WO
WIPO (PCT)
Prior art keywords
crankshaft
bearing cap
stress relaxation
relaxation grooves
bearing structure
Prior art date
Application number
PCT/JP2008/054007
Other languages
English (en)
French (fr)
Inventor
Kenji Nakamure
Original Assignee
Toyota Jidosha Kabushiki Kaisha
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 Toyota Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Priority to US12/449,391 priority Critical patent/US20110013862A1/en
Priority to BRPI0809065-3A priority patent/BRPI0809065A2/pt
Priority to EP08721427A priority patent/EP2119899A1/en
Publication of WO2008111469A1 publication Critical patent/WO2008111469A1/ja

Links

Classifications

    • 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
    • F02F7/0043—Arrangements of mechanical drive elements
    • F02F7/0053—Crankshaft bearings fitted in the crankcase

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

　クランクシャフトの軸受構造が開示される。該クランクシャフトは、シリンダブロック下部および前記シリンダブロック下部の下方に設けられた軸受キャップによって回転自在に保持される。前記軸受キャップの両側上部には、前記クランクシャフトの軸線に沿うように延びる応力緩和溝が形成される。該応力緩和溝は前記軸受キャップの両側面で開口している。前記応力緩和溝を形成することにより、前記軸受キャップの両側上部に前記クランクシャフトの軸線に沿うように延びる突縁部が形成される。前記突縁部は、前記軸受キャップに加わる前記クランクシャフトの回転時の荷重に対して可撓性を有する。
PCT/JP2008/054007 2007-03-06 2008-03-06 クランクシャフトの軸受構造 WO2008111469A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/449,391 US20110013862A1 (en) 2007-03-06 2008-03-06 Bearing structure for crankshaft
BRPI0809065-3A BRPI0809065A2 (pt) 2007-03-06 2008-03-06 Estrutura de mancal para virabrequim
EP08721427A EP2119899A1 (en) 2007-03-06 2008-03-06 Bearing structure for crankshaft

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-055397 2007-03-06
JP2007055397A JP2008215532A (ja) 2007-03-06 2007-03-06 クランクシャフトの軸受構造

Publications (1)

Publication Number Publication Date
WO2008111469A1 true WO2008111469A1 (ja) 2008-09-18

Family

ID=39759411

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054007 WO2008111469A1 (ja) 2007-03-06 2008-03-06 クランクシャフトの軸受構造

Country Status (7)

Country Link
US (1) US20110013862A1 (ja)
EP (1) EP2119899A1 (ja)
JP (1) JP2008215532A (ja)
CN (1) CN101622436A (ja)
BR (1) BRPI0809065A2 (ja)
RU (1) RU2426904C2 (ja)
WO (1) WO2008111469A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3102807A1 (fr) * 2019-11-06 2021-05-07 Renault S.A.S Pion de centrage conique

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011241700A (ja) * 2010-05-14 2011-12-01 Otics Corp カムシャフトの軸受構造
JP5884266B2 (ja) * 2010-12-27 2016-03-15 日産自動車株式会社 ベアリングキャップ及びラダーフレーム
DE102011114786A1 (de) * 2011-10-01 2013-04-04 Man Truck & Bus Ag Motorbaugruppe umfassend einen Lagerbock sowie Verfahren zu deren Montage
KR101305559B1 (ko) * 2011-11-04 2013-09-09 기아자동차주식회사 엔진블록의 스러스트 베어링 결합장치
CN102506077B (zh) * 2011-11-29 2014-03-12 奇瑞汽车股份有限公司 一种小接触面积低摩擦凸轮轴轴承及其制造方法
JP5932557B2 (ja) * 2012-08-07 2016-06-08 本田技研工業株式会社 内燃機関
MX2017004085A (es) * 2014-10-27 2017-07-07 Aichi Machine Ind Bloque de motor y motor de combustion interna proporcionado con el mismo.
GB2538975B (en) * 2015-06-01 2018-04-04 Jaguar Land Rover Ltd Bearing cap having positioning projections.
AT517392A1 (de) * 2015-07-14 2017-01-15 Miba Sinter Austria Gmbh Geteilte Lageranordnung
JP6332261B2 (ja) * 2015-12-25 2018-05-30 トヨタ自動車株式会社 軸受支持装置
MX2018011506A (es) * 2016-04-07 2019-01-24 Aichi Machine Ind Bloque cilindrico y motor de combustion interna que comprende dicho bloque cilindrico.
JP6729415B2 (ja) * 2017-01-19 2020-07-22 株式会社豊田自動織機 クランクシャフトの軸受支持構造
JP6874669B2 (ja) * 2017-12-15 2021-05-19 トヨタ自動車株式会社 クランクキャップ組立体及び内燃機関
US10975800B2 (en) * 2018-09-04 2021-04-13 Toyota Jidosha Kabushiki Kaisha Cylinder block assembly
JP7120159B2 (ja) * 2019-05-30 2022-08-17 トヨタ自動車株式会社 シリンダブロック組立体

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0253512U (ja) * 1988-10-11 1990-04-18
JPH02114750U (ja) * 1989-02-28 1990-09-13
JPH11107850A (ja) * 1997-10-03 1999-04-20 Honda Motor Co Ltd 回転軸の支持構造及びエンジンにおけるクランク軸の支持構造
JP2005195114A (ja) 2004-01-08 2005-07-21 Toyota Industries Corp シリンダブロックの軸受構造

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2253578A1 (en) * 1996-05-03 1997-11-13 Lawrence E. Eckstein Precisely repositionable bearing cap
US6471406B1 (en) * 1996-05-03 2002-10-29 Gkn Sinter Metals, Inc. Side-bolt bearing caps
US6422755B1 (en) * 1996-05-03 2002-07-23 Gkn Sinter Metals-Germantown, Inc. Precisely repositioning powder metal components
US6158402A (en) * 1997-10-03 2000-12-12 Honda Giken Kogyo Kabushiki Kaisha Engine block structure in multi-cylinder engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0253512U (ja) * 1988-10-11 1990-04-18
JPH02114750U (ja) * 1989-02-28 1990-09-13
JPH11107850A (ja) * 1997-10-03 1999-04-20 Honda Motor Co Ltd 回転軸の支持構造及びエンジンにおけるクランク軸の支持構造
JP2005195114A (ja) 2004-01-08 2005-07-21 Toyota Industries Corp シリンダブロックの軸受構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3102807A1 (fr) * 2019-11-06 2021-05-07 Renault S.A.S Pion de centrage conique
EP3819508A1 (fr) * 2019-11-06 2021-05-12 RENAULT s.a.s. Pion de centrage conique

Also Published As

Publication number Publication date
EP2119899A1 (en) 2009-11-18
CN101622436A (zh) 2010-01-06
JP2008215532A (ja) 2008-09-18
RU2426904C2 (ru) 2011-08-20
BRPI0809065A2 (pt) 2014-09-23
RU2009133186A (ru) 2011-03-10
US20110013862A1 (en) 2011-01-20

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