EP2653671A4 - Drive cam and valve operating device for engine - Google Patents

Drive cam and valve operating device for engine

Info

Publication number
EP2653671A4
EP2653671A4 EP11849077.0A EP11849077A EP2653671A4 EP 2653671 A4 EP2653671 A4 EP 2653671A4 EP 11849077 A EP11849077 A EP 11849077A EP 2653671 A4 EP2653671 A4 EP 2653671A4
Authority
EP
European Patent Office
Prior art keywords
engine
operating device
valve operating
drive cam
cam
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
EP11849077.0A
Other languages
German (de)
French (fr)
Other versions
EP2653671B1 (en
EP2653671A1 (en
Inventor
Aki Kodai
Satoaki Ichi
Kozo Isano
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.)
Kawasaki Heavy Industries Ltd
Kawasaki Motors Ltd
Original Assignee
Kawasaki Heavy Industries Ltd
Kawasaki Jukogyo KK
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 Kawasaki Heavy Industries Ltd, Kawasaki Jukogyo KK filed Critical Kawasaki Heavy Industries Ltd
Publication of EP2653671A1 publication Critical patent/EP2653671A1/en
Publication of EP2653671A4 publication Critical patent/EP2653671A4/en
Application granted granted Critical
Publication of EP2653671B1 publication Critical patent/EP2653671B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/143—Tappets; Push rods for use with overhead camshafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/16—Silencing impact; Reducing wear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2301/00—Using particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2303/00—Manufacturing of components used in valve arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
EP11849077.0A 2010-12-13 2011-12-06 Drive cam and valve operating system in engine Not-in-force EP2653671B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010277141 2010-12-13
PCT/JP2011/006823 WO2012081198A1 (en) 2010-12-13 2011-12-06 Drive cam and valve operating device for engine

Publications (3)

Publication Number Publication Date
EP2653671A1 EP2653671A1 (en) 2013-10-23
EP2653671A4 true EP2653671A4 (en) 2016-04-06
EP2653671B1 EP2653671B1 (en) 2017-03-22

Family

ID=46244318

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11849077.0A Not-in-force EP2653671B1 (en) 2010-12-13 2011-12-06 Drive cam and valve operating system in engine

Country Status (5)

Country Link
US (1) US20130291813A1 (en)
EP (1) EP2653671B1 (en)
JP (1) JP5898092B2 (en)
CN (1) CN103189604A (en)
WO (1) WO2012081198A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8919312B2 (en) * 2012-06-27 2014-12-30 Ford Global Technologies, Llc Impact dampening tappet
SE1550958A1 (en) * 2015-07-03 2017-01-04 Scania Cv Ab A rocker arm and a rocker arm assembly
CN115111020B (en) * 2022-06-30 2024-04-30 苏立群 Stepless variable lift valve rocker mechanism

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63167004A (en) * 1986-12-26 1988-07-11 Musashi Seimitsu Ind Co Ltd Soft nitriding cam shaft
US4796575A (en) * 1986-10-22 1989-01-10 Honda Giken Kogyo Kabushiki Kaisha Wear resistant slide member made of iron-base sintered alloy
DE4205647A1 (en) * 1992-02-25 1993-08-26 Schaeffler Waelzlager Kg METHOD FOR THERMOCHEMICALLY-THERMAL TREATMENT OF REPLACEMENT STEELS
US20020162523A1 (en) * 2000-09-21 2002-11-07 Motokata Ishihara Sliding member and method of manufacturing thereof
EP1634978A1 (en) * 2004-09-09 2006-03-15 INA-Schaeffler KG Wear resistant coating and process of its manufacture
EP2053144A1 (en) * 2006-08-09 2009-04-29 Nihon Parkerizing Co., Ltd. Method for quenching of steel member, quenched steel member, and agent for protecting quenched surface
US20090276992A1 (en) * 2006-07-13 2009-11-12 Kikuo Maeda Method for manufacturing raceway member, method for manufacturing valve train and raceway member
US20090283063A1 (en) * 2008-05-19 2009-11-19 Gm Global Technology Operations, Inc. Wear Resistant Camshaft and Follower Material
EP2246533A1 (en) * 2008-01-31 2010-11-03 Honda Motor Co., Ltd. Sliding member, and method for treating surface of the sliding member

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS576153A (en) * 1980-06-11 1982-01-13 Meidensha Electric Mfg Co Ltd Power transmitting member
JPH03173762A (en) * 1989-12-01 1991-07-29 Mazda Motor Corp Production of nitrided steel member
EP0484699B1 (en) * 1990-11-05 1993-08-18 Detlev Dr. Repenning Friction pairing and its method of manufacture
JP3546284B2 (en) * 1997-06-27 2004-07-21 Ｊｆｅスチール株式会社 Method for producing steel for nitriding and mechanical structural parts
JP2004204762A (en) 2002-12-25 2004-07-22 Yanmar Co Ltd Sliding part and method for manufacturing the same
ES2295833T3 (en) * 2003-03-10 2008-04-16 Kabushiki Kaisha Riken NITRURED PUSH VALVE AND METHOD FOR MANUFACTURING.
JP4257539B2 (en) * 2003-09-01 2009-04-22 住友金属工業株式会社 Non-tempered steel for soft nitriding
US7430997B2 (en) * 2004-02-06 2008-10-07 Mikuni Corporation Variable valve operating device for engine
JP5039503B2 (en) * 2007-10-25 2012-10-03 川崎重工業株式会社 Lubrication structure of valve gear
JP5054574B2 (en) * 2008-03-03 2012-10-24 川崎重工業株式会社 Engine and vehicle equipped with the same
JP5231980B2 (en) * 2008-12-26 2013-07-10 川崎重工業株式会社 Rocker arm and its polishing method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4796575A (en) * 1986-10-22 1989-01-10 Honda Giken Kogyo Kabushiki Kaisha Wear resistant slide member made of iron-base sintered alloy
JPS63167004A (en) * 1986-12-26 1988-07-11 Musashi Seimitsu Ind Co Ltd Soft nitriding cam shaft
DE4205647A1 (en) * 1992-02-25 1993-08-26 Schaeffler Waelzlager Kg METHOD FOR THERMOCHEMICALLY-THERMAL TREATMENT OF REPLACEMENT STEELS
US20020162523A1 (en) * 2000-09-21 2002-11-07 Motokata Ishihara Sliding member and method of manufacturing thereof
EP1634978A1 (en) * 2004-09-09 2006-03-15 INA-Schaeffler KG Wear resistant coating and process of its manufacture
US20090276992A1 (en) * 2006-07-13 2009-11-12 Kikuo Maeda Method for manufacturing raceway member, method for manufacturing valve train and raceway member
EP2053144A1 (en) * 2006-08-09 2009-04-29 Nihon Parkerizing Co., Ltd. Method for quenching of steel member, quenched steel member, and agent for protecting quenched surface
EP2246533A1 (en) * 2008-01-31 2010-11-03 Honda Motor Co., Ltd. Sliding member, and method for treating surface of the sliding member
US20090283063A1 (en) * 2008-05-19 2009-11-19 Gm Global Technology Operations, Inc. Wear Resistant Camshaft and Follower Material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012081198A1 *

Also Published As

Publication number Publication date
EP2653671B1 (en) 2017-03-22
CN103189604A (en) 2013-07-03
JP5898092B2 (en) 2016-04-06
EP2653671A1 (en) 2013-10-23
WO2012081198A1 (en) 2012-06-21
US20130291813A1 (en) 2013-11-07
JPWO2012081198A1 (en) 2014-05-22

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