EP2821602A3 - Engine - Google Patents

Engine Download PDF

Info

Publication number
EP2821602A3
EP2821602A3 EP13191025.9A EP13191025A EP2821602A3 EP 2821602 A3 EP2821602 A3 EP 2821602A3 EP 13191025 A EP13191025 A EP 13191025A EP 2821602 A3 EP2821602 A3 EP 2821602A3
Authority
EP
European Patent Office
Prior art keywords
actuator
cam shaft
axial direction
pin member
switching pin
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
EP13191025.9A
Other languages
German (de)
French (fr)
Other versions
EP2821602B1 (en
EP2821602A2 (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 EP2821602A2 publication Critical patent/EP2821602A2/en
Publication of EP2821602A3 publication Critical patent/EP2821602A3/en
Application granted granted Critical
Publication of EP2821602B1 publication Critical patent/EP2821602B1/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)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

An actuator (39) switches the position of a switching pin member (35) between a first position and a second position by pressurizing the switching pin member in the axial direction of a cam shaft (14). At least a portion of the switching pin member (35) overlaps with a head cover (7) when viewed from the axial direction of the cam shaft (14). The actuator (39) is arranged on the opposite side to a cam chain chamber (16) with regard to the cam shaft (14) in the axial direction of the cam shaft. The actuator (39) is arranged outside of an engine (1). The actuator (39) is positioned more to the head cover (7) side than an end section of a cylinder head (6).
EP13191025.9A 2013-06-28 2013-10-31 Engine Active EP2821602B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013136582A JP2015010553A (en) 2013-06-28 2013-06-28 Engine

Publications (3)

Publication Number Publication Date
EP2821602A2 EP2821602A2 (en) 2015-01-07
EP2821602A3 true EP2821602A3 (en) 2015-12-30
EP2821602B1 EP2821602B1 (en) 2017-01-18

Family

ID=49510039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13191025.9A Active EP2821602B1 (en) 2013-06-28 2013-10-31 Engine

Country Status (8)

Country Link
EP (1) EP2821602B1 (en)
JP (1) JP2015010553A (en)
CN (1) CN104251157B (en)
BR (1) BR102013027312B1 (en)
CO (1) CO7240097A1 (en)
ES (1) ES2614236T3 (en)
PH (1) PH12013000299B1 (en)
TW (1) TWI596271B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6097995B2 (en) * 2013-09-30 2017-03-22 本田技研工業株式会社 Variable valve operating system for internal combustion engine for saddle riding type vehicle
EP3309375A4 (en) * 2015-06-15 2018-07-04 Yamaha Hatsudoki Kabushiki Kaisha Engine system and saddle ride-type vehicle
JP2018084144A (en) 2016-11-21 2018-05-31 ヤマハ発動機株式会社 Engine and vehicle
DE102018122787A1 (en) * 2018-09-18 2020-03-19 Schaeffler Technologies AG & Co. KG Module for a variable stroke valve train of an internal combustion engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0510162A (en) * 1991-07-01 1993-01-19 Honda Motor Co Ltd Cycle suspension reciprocating type internal combustion engine
JP2010156238A (en) * 2008-12-26 2010-07-15 Honda Motor Co Ltd Variable valve gear for 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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4243871B2 (en) * 2007-07-04 2009-03-25 三菱自動車工業株式会社 Variable valve operating device for internal combustion engine
JP5479965B2 (en) * 2010-03-23 2014-04-23 本田技研工業株式会社 Spark plug cooling device for vehicle engine
JP2011202625A (en) * 2010-03-26 2011-10-13 Honda Motor Co Ltd Decompression device arrangement structure for engine
JP2012002095A (en) * 2010-06-15 2012-01-05 Honda Motor Co Ltd Variable valve system of internal combustion engine
JP6005382B2 (en) * 2012-03-30 2016-10-12 本田技研工業株式会社 Variable valve operating device for internal combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0510162A (en) * 1991-07-01 1993-01-19 Honda Motor Co Ltd Cycle suspension reciprocating type internal combustion engine
JP2010156238A (en) * 2008-12-26 2010-07-15 Honda Motor Co Ltd Variable valve gear for 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

Also Published As

Publication number Publication date
TWI596271B (en) 2017-08-21
PH12013000299A1 (en) 2015-01-21
BR102013027312B1 (en) 2021-09-28
ES2614236T3 (en) 2017-05-30
JP2015010553A (en) 2015-01-19
EP2821602B1 (en) 2017-01-18
CO7240097A1 (en) 2015-04-17
CN104251157A (en) 2014-12-31
CN104251157B (en) 2017-04-12
TW201500638A (en) 2015-01-01
EP2821602A2 (en) 2015-01-07
PH12013000299B1 (en) 2015-01-21
BR102013027312A2 (en) 2015-09-01

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