JPS55151106A - Valve lifting mechanism for internal combustion engine - Google Patents

Valve lifting mechanism for internal combustion engine

Info

Publication number
JPS55151106A
JPS55151106A JP5783579A JP5783579A JPS55151106A JP S55151106 A JPS55151106 A JP S55151106A JP 5783579 A JP5783579 A JP 5783579A JP 5783579 A JP5783579 A JP 5783579A JP S55151106 A JPS55151106 A JP S55151106A
Authority
JP
Japan
Prior art keywords
cam
contact
held
valve
arm
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
JP5783579A
Other languages
Japanese (ja)
Inventor
Shunichi Aoyama
Kazuyuki Miidokoro
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP5783579A priority Critical patent/JPS55151106A/en
Publication of JPS55151106A publication Critical patent/JPS55151106A/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
    • F01L13/0021—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 rocker arm ratio

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 improve combustibility of mixture and charging efficiency of an internal combustion engine, by employing an arrangement in which a swing cam having different cam surfaces is held in contact with the intake or exhaust valve so that the valve lift is increased with increase of engine speed. CONSTITUTION:A swing cam 4 having cam surface 10 consisting of basic arcuate portion 10A and lift arcuate portion 10B is held in contact with tappet 22 at the top of intake or exhaust valve 8. Rocker arm 3 is held in contact at its one end 3a with another contact surface 11 of rocker arm 4. On the other hand, arm 3 is held in contact at the other end portion with pivot 5 of piston 15 which is slided in hydraulic cylinder 6. Further, cam 1 rotated with operation of engine is held in contact with arm 3 at its top for transmitting motion of cam 1 to the valve 8 via swing cam 4. With such an arrangement, when piston 15 is raised with increase of engine speed, downward movement of arm 3 is increased and it becomes that valve 8 is opened and closed by the lift arcuate portion 10B of cam 4, so that the valve lift can be increased.
JP5783579A 1979-05-11 1979-05-11 Valve lifting mechanism for internal combustion engine Pending JPS55151106A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5783579A JPS55151106A (en) 1979-05-11 1979-05-11 Valve lifting mechanism for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5783579A JPS55151106A (en) 1979-05-11 1979-05-11 Valve lifting mechanism for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS55151106A true JPS55151106A (en) 1980-11-25

Family

ID=13066998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5783579A Pending JPS55151106A (en) 1979-05-11 1979-05-11 Valve lifting mechanism for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS55151106A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414931A (en) * 1981-10-13 1983-11-15 Investment Rarities, Incorporated Variable valve operating mechanism for internal combustion engines
US4526142A (en) * 1981-06-24 1985-07-02 Nissan Motor Company, Limited Variable valve timing arrangement for an internal combustion engine or the like
DE3831642A1 (en) * 1988-09-17 1990-03-29 Daimler Benz Ag Valve gear for a lift valve in an internal combustion engine
WO2014202566A1 (en) 2013-06-18 2014-12-24 Avl List Gmbh Valve actuating device
WO2019069000A1 (en) * 2017-10-02 2019-04-11 Vianney Rabhi Hydraulic actuator for regeneration valve
CN110295996A (en) * 2019-06-14 2019-10-01 郝凤成 Two stroke straight-shaft internal-combustion engine of swing arm cam-type

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4526142A (en) * 1981-06-24 1985-07-02 Nissan Motor Company, Limited Variable valve timing arrangement for an internal combustion engine or the like
US4414931A (en) * 1981-10-13 1983-11-15 Investment Rarities, Incorporated Variable valve operating mechanism for internal combustion engines
DE3831642A1 (en) * 1988-09-17 1990-03-29 Daimler Benz Ag Valve gear for a lift valve in an internal combustion engine
WO2014202566A1 (en) 2013-06-18 2014-12-24 Avl List Gmbh Valve actuating device
US10184366B2 (en) 2013-06-18 2019-01-22 Avl List Gmbh Valve actuating device
WO2019069000A1 (en) * 2017-10-02 2019-04-11 Vianney Rabhi Hydraulic actuator for regeneration valve
CN110295996A (en) * 2019-06-14 2019-10-01 郝凤成 Two stroke straight-shaft internal-combustion engine of swing arm cam-type

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