JPS56167804A - Cam section of cam shaft for 4-stroke engine - Google Patents

Cam section of cam shaft for 4-stroke engine

Info

Publication number
JPS56167804A
JPS56167804A JP7169980A JP7169980A JPS56167804A JP S56167804 A JPS56167804 A JP S56167804A JP 7169980 A JP7169980 A JP 7169980A JP 7169980 A JP7169980 A JP 7169980A JP S56167804 A JPS56167804 A JP S56167804A
Authority
JP
Japan
Prior art keywords
cam
cams
cam section
section
stroke engine
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.)
Pending
Application number
JP7169980A
Other languages
Japanese (ja)
Inventor
Yukio Sato
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP7169980A priority Critical patent/JPS56167804A/en
Publication of JPS56167804A publication Critical patent/JPS56167804A/en
Pending legal-status Critical Current

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
    • F01L13/0042—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 with cams being profiled in axial and radial direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

PURPOSE:To vary the timing and lift level of a valve by changing contacts of cams through multiple combination of various cam profiles in a cam section composed of cams for low and high rotation in such a manner that they are connected together smoothly. CONSTITUTION:Cams for low, medium and high rotation are connected together smoothly in a multiple combination to form a cam section 3. A cam shaft employing cams of such type are moved in the thrust direction so as to change the cam section with a locker arm 1 and other drive intermediate devices whereby the timing and lift level of a valve can be varied.
JP7169980A 1980-05-29 1980-05-29 Cam section of cam shaft for 4-stroke engine Pending JPS56167804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7169980A JPS56167804A (en) 1980-05-29 1980-05-29 Cam section of cam shaft for 4-stroke engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7169980A JPS56167804A (en) 1980-05-29 1980-05-29 Cam section of cam shaft for 4-stroke engine

Publications (1)

Publication Number Publication Date
JPS56167804A true JPS56167804A (en) 1981-12-23

Family

ID=13468044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7169980A Pending JPS56167804A (en) 1980-05-29 1980-05-29 Cam section of cam shaft for 4-stroke engine

Country Status (1)

Country Link
JP (1) JPS56167804A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5762504U (en) * 1980-09-30 1982-04-14
EP0869262A3 (en) * 1997-04-04 1999-03-10 Toyota Jidosha Kabushiki Kaisha Three dimensional cam, method and apparatus for measuring three dimensional cam profile, and valve drive apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5762504U (en) * 1980-09-30 1982-04-14
JPS6134968Y2 (en) * 1980-09-30 1986-10-11
EP0869262A3 (en) * 1997-04-04 1999-03-10 Toyota Jidosha Kabushiki Kaisha Three dimensional cam, method and apparatus for measuring three dimensional cam profile, and valve drive apparatus
US6256897B1 (en) 1997-04-04 2001-07-10 Toyota Jidosha Kabushiki Kaisha Three dimensional cam, method and apparatus for measuring three dimensional cam profile, and valve drive apparatus

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