EP2821601A3 - Engine - Google Patents

Engine Download PDF

Info

Publication number
EP2821601A3
EP2821601A3 EP13191020.0A EP13191020A EP2821601A3 EP 2821601 A3 EP2821601 A3 EP 2821601A3 EP 13191020 A EP13191020 A EP 13191020A EP 2821601 A3 EP2821601 A3 EP 2821601A3
Authority
EP
European Patent Office
Prior art keywords
rocker arm
rocker
shaft
axial direction
cam shaft
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
EP13191020.0A
Other languages
German (de)
French (fr)
Other versions
EP2821601B1 (en
EP2821601A2 (en
Inventor
Yoshitaka Nagai
Kensuke Yamamoto
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha 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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Publication of EP2821601A2 publication Critical patent/EP2821601A2/en
Publication of EP2821601A3 publication Critical patent/EP2821601A3/en
Application granted granted Critical
Publication of EP2821601B1 publication Critical patent/EP2821601B1/en
Active 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
    • 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
    • F01L13/0036—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 the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • 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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves
    • 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
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • 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
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0535—Single overhead camshafts [SOHC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

A first rocker arm (36) is supported by a rocker shaft (33) and is provided to be able to operate a valve (24-27). A second rocker arm (37) is supported by the rocker shaft (33) and is arranged to line up with the first rocker arm (36) in the axial direction of a cam shaft (14). A switching pin member (35) is able to be moved in the axial direction of the cam shaft (14), and links the first rocker arm (36) and the second rocker arm (37) at a first position and swings together with the first rocker arm (36) and the second rocker arm (37). The switching pin member (35) is positioned on an end section side of the valve with regard to the rocker shaft when viewed from the axial direction of the cam shaft.
EP13191020.0A 2013-06-28 2013-10-31 Engine Active EP2821601B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013136583A JP2015010554A (en) 2013-06-28 2013-06-28 Engine

Publications (3)

Publication Number Publication Date
EP2821601A2 EP2821601A2 (en) 2015-01-07
EP2821601A3 true EP2821601A3 (en) 2015-12-30
EP2821601B1 EP2821601B1 (en) 2017-05-03

Family

ID=49510037

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13191020.0A Active EP2821601B1 (en) 2013-06-28 2013-10-31 Engine

Country Status (8)

Country Link
EP (1) EP2821601B1 (en)
JP (1) JP2015010554A (en)
CN (1) CN104251146B (en)
BR (1) BR102013027997B1 (en)
CO (1) CO7250119A1 (en)
ES (1) ES2626379T3 (en)
PH (1) PH12013000316A1 (en)
TW (1) TWI582302B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2572254T3 (en) * 2013-09-30 2016-05-31 Honda Motor Co Ltd Variable internal combustion engine valve gear for astride type vehicle
JP6069765B2 (en) * 2013-09-30 2017-02-01 本田技研工業株式会社 Variable valve operating system for internal combustion engine for saddle riding type vehicle
JP2018197498A (en) 2015-10-15 2018-12-13 ヤマハ発動機株式会社 Engine for saddle-type vehicle
JP6258383B2 (en) * 2015-11-30 2018-01-10 モートニック コーポレイション Variable valve lift device for engine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227567C1 (en) * 1992-08-20 1993-11-11 Daimler Benz Ag Valve drive system for a multi-cylinder internal combustion engine
DE4404683C1 (en) * 1994-02-15 1995-03-02 Daimler Benz Ag Method for minimising the clearance in a valve gear
EP1275834A1 (en) * 2001-07-12 2003-01-15 Honda Giken Kogyo Kabushiki Kaisha Outboard motor with internal combustion engine
JP2012036877A (en) * 2010-08-11 2012-02-23 Honda Motor Co Ltd Variable valve mechanism
JP2012077741A (en) * 2010-09-07 2012-04-19 Honda Motor Co Ltd Variable valve system of internal combustion engine
EP2472075A1 (en) * 2009-08-24 2012-07-04 Yamaha Hatsudoki Kabushiki Kaisha Variable valve device, engine with same, and saddled vehicle
FR2995023A1 (en) * 2012-08-29 2014-03-07 Honda Motor Co Ltd Variable valve transmission mechanism has second intake rocker arm that is mounted to first rocker arm by coupling bolt, and control unit that is adapted to control operation of solenoid activator based on rotation angle of crankshaft

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07103812B2 (en) * 1991-09-18 1995-11-08 本田技研工業株式会社 Valve operating system with a function of changing the valve operating characteristics of an internal combustion engine
JPH07301108A (en) * 1995-04-24 1995-11-14 Mazda Motor Corp Valve system for engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4227567C1 (en) * 1992-08-20 1993-11-11 Daimler Benz Ag Valve drive system for a multi-cylinder internal combustion engine
DE4404683C1 (en) * 1994-02-15 1995-03-02 Daimler Benz Ag Method for minimising the clearance in a valve gear
EP1275834A1 (en) * 2001-07-12 2003-01-15 Honda Giken Kogyo Kabushiki Kaisha Outboard motor with internal combustion engine
EP2472075A1 (en) * 2009-08-24 2012-07-04 Yamaha Hatsudoki Kabushiki Kaisha Variable valve device, engine with same, and saddled vehicle
JP2012036877A (en) * 2010-08-11 2012-02-23 Honda Motor Co Ltd Variable valve mechanism
JP2012077741A (en) * 2010-09-07 2012-04-19 Honda Motor Co Ltd Variable valve system of internal combustion engine
FR2995023A1 (en) * 2012-08-29 2014-03-07 Honda Motor Co Ltd Variable valve transmission mechanism has second intake rocker arm that is mounted to first rocker arm by coupling bolt, and control unit that is adapted to control operation of solenoid activator based on rotation angle of crankshaft

Also Published As

Publication number Publication date
CN104251146B (en) 2017-04-12
CN104251146A (en) 2014-12-31
PH12013000316B1 (en) 2015-04-27
EP2821601B1 (en) 2017-05-03
EP2821601A2 (en) 2015-01-07
TW201500637A (en) 2015-01-01
CO7250119A1 (en) 2015-04-30
ES2626379T3 (en) 2017-07-24
BR102013027997A2 (en) 2015-10-13
PH12013000316A1 (en) 2015-04-27
BR102013027997B1 (en) 2021-12-07
TWI582302B (en) 2017-05-11
JP2015010554A (en) 2015-01-19

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