ZA704314B - Improvements in and relating to variable camshaft mechanism - Google Patents

Improvements in and relating to variable camshaft mechanism

Info

Publication number
ZA704314B
ZA704314B ZA704314A ZA704314A ZA704314B ZA 704314 B ZA704314 B ZA 704314B ZA 704314 A ZA704314 A ZA 704314A ZA 704314 A ZA704314 A ZA 704314A ZA 704314 B ZA704314 B ZA 704314B
Authority
ZA
South Africa
Prior art keywords
relating
variable camshaft
camshaft mechanism
variable
camshaft
Prior art date
Application number
ZA704314A
Inventor
L Raggi
Original Assignee
Ass Eng 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 Ass Eng Ltd filed Critical Ass Eng Ltd
Publication of ZA704314B publication Critical patent/ZA704314B/en

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
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/356—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear making the angular relationship oscillate, e.g. non-homokinetic drive
    • 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
    • F01L31/00—Valve drive, valve adjustment during operation, or other valve control, not provided for in groups F01L15/00 - F01L29/00
    • F01L31/08—Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear
    • F01L31/16—Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear the drive being effected by specific means other than eccentric, e.g. cams; Valve adjustment in connection with such drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2101—Cams
    • Y10T74/2102—Adjustable

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)
ZA704314A 1969-06-27 1970-06-23 Improvements in and relating to variable camshaft mechanism ZA704314B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5241069 1969-06-27

Publications (1)

Publication Number Publication Date
ZA704314B true ZA704314B (en) 1971-05-27

Family

ID=11277013

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA704314A ZA704314B (en) 1969-06-27 1970-06-23 Improvements in and relating to variable camshaft mechanism

Country Status (8)

Country Link
US (1) US3633555A (en)
JP (1) JPS4720654B1 (en)
DE (1) DE2029911C2 (en)
ES (1) ES381201A1 (en)
FR (1) FR2051344A5 (en)
NL (1) NL162172C (en)
SE (1) SE357414B (en)
ZA (1) ZA704314B (en)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50155822A (en) * 1974-06-10 1975-12-16
GB1522405A (en) * 1976-04-02 1978-08-23 Mitchell S Valve timing mechanisms
DE2930266A1 (en) * 1979-07-26 1981-02-12 Volkswagenwerk Ag CAMSHAFT ARRANGEMENT, IN PARTICULAR FOR AN INTERNAL COMBUSTION ENGINE
DE2942326A1 (en) * 1979-10-19 1981-04-23 Volkswagenwerk Ag, 3180 Wolfsburg Operating method for turbocharged engines - has dwell of valves timed to give better torque characteristic
GB2096695A (en) * 1981-04-13 1982-10-20 Ford Motor Co Ic engine camshaft drive mechanism
DE3234640A1 (en) * 1982-09-18 1984-03-22 Volkswagenwerk Ag, 3180 Wolfsburg Valve gear, in particular for an internal combustion engine
DE3234639A1 (en) * 1982-09-18 1984-03-22 Volkswagenwerk Ag, 3180 Wolfsburg Valve gear, in particular for an internal combustion engine
GB2166842A (en) * 1984-11-09 1986-05-14 Ford Motor Co Drive mechanism for variable valve timing
US4771742A (en) * 1986-02-19 1988-09-20 Clemson University Method for continuous camlobe phasing
US4770060A (en) * 1986-02-19 1988-09-13 Clemson University Apparatus and method for variable valve timing
GB8620416D0 (en) * 1986-08-22 1986-10-01 Stidworthy F M Differential camshafts
GB8925869D0 (en) * 1989-11-15 1990-01-04 Jaguar Cars Rotary drives
US5125372A (en) * 1990-03-23 1992-06-30 Gondek John T Hydraulically operated engine valve system
IT1247353B (en) * 1991-06-11 1994-12-12 Lando Baldassini DISTRIBUTION FOR FOUR STROKE ENGINE WITH VARIABLE ROTATION CAMSHAFT
JP3177532B2 (en) * 1992-01-27 2001-06-18 株式会社ユニシアジェックス Intake and exhaust valve drive control device for internal combustion engine
JPH062516A (en) * 1992-06-17 1994-01-11 Unisia Jecs Corp Intake/exhaust valve driving control device for internal combustion engine
GB2268246B (en) * 1992-06-17 1995-06-28 Unisia Jecs Corp Cam shaft assembly for use in internal combustion engine
GB2275096B (en) * 1993-02-15 1996-05-22 Unisia Jecs Corp Valve control device for internal combustion device
US5417186A (en) * 1993-06-28 1995-05-23 Clemson University Dual-acting apparatus for variable valve timing and the like
US5501186A (en) * 1993-07-27 1996-03-26 Unisia Jecs Corporation Engine valve control mechanism
JP3286420B2 (en) * 1993-09-28 2002-05-27 株式会社ユニシアジェックス Intake and exhaust valve drive control device for internal combustion engine
DE4413408A1 (en) * 1994-04-18 1995-10-19 Korostenski Erwin Internal combustion engine with flat tappet
DE4413443C2 (en) * 1994-04-18 1998-10-01 Korostenski Erwin Internal combustion engine
DE4413406C2 (en) * 1994-04-18 1999-05-06 Korostenski Erwin Internal combustion engine with variable valve timing
DE19501172C2 (en) * 1995-01-17 1998-02-19 Erwin Korostenski Rotary drive arrangement
DE19502834A1 (en) * 1995-01-30 1996-08-08 Erwin Korostenski Arrangement for storing a component
JP3494439B2 (en) * 1995-05-25 2004-02-09 三菱自動車工業株式会社 Variable valve mechanism
DE19541525A1 (en) * 1995-08-04 1997-02-06 Erwin Korostenski Valve actuator for IC engine using camshaft - has eccentric mounted on ring on shaft so that during one rotation of camshaft there is cyclic increase and decrease of rotary speed
JP3394390B2 (en) * 1995-10-18 2003-04-07 株式会社日立ユニシアオートモティブ Intake and exhaust valve drive control device for internal combustion engine
JP3612379B2 (en) * 1996-04-10 2005-01-19 三菱自動車工業株式会社 Variable valve mechanism drive device and hydraulic actuator
US5924334A (en) * 1996-08-05 1999-07-20 Unisia Jecs Corporation Device for moving cam relative to its driving shaft
JP3899576B2 (en) * 1997-02-07 2007-03-28 三菱自動車工業株式会社 Variable valve mechanism and internal combustion engine with variable valve mechanism
JP3834921B2 (en) * 1997-04-02 2006-10-18 三菱自動車工業株式会社 Variable valve mechanism
US7104229B2 (en) * 2001-04-05 2006-09-12 Stephen William Mitchell Variable valve timing system
US7128034B2 (en) * 2002-10-18 2006-10-31 Maclean-Fogg Company Valve lifter body
US7273026B2 (en) * 2002-10-18 2007-09-25 Maclean-Fogg Company Roller follower body
DE10258249A1 (en) * 2002-12-13 2004-07-15 Dr.Ing.H.C. F. Porsche Ag Method for changing the valve timing of an internal combustion engine
CN103201466B (en) * 2010-11-08 2015-05-27 丰田自动车株式会社 Variable valve device for internal combustion engine
KR102394575B1 (en) 2017-11-20 2022-05-04 현대자동차 주식회사 Continuous variable vavle duration apparatus and engine provided with the same
US10393037B2 (en) 2015-12-09 2019-08-27 Hyundai Motor Company Method for controlling of valve timing of continuous variable valve duration engine
US10415488B2 (en) * 2015-12-09 2019-09-17 Hyundai Motor Company System and method for controlling valve timing of continuous variable valve duration engine
US10415485B2 (en) 2015-12-10 2019-09-17 Hyundai Motor Company Method for controlling of valve timing of continuous variable valve duration engine
US10428747B2 (en) 2015-12-11 2019-10-01 Hyundai Motor Company System and method for controlling valve timing of continuous variable valve duration engine
KR101776743B1 (en) 2015-12-11 2017-09-08 현대자동차 주식회사 Method for controlling of valve timing of continuous variable valve duration engine
US10323585B2 (en) 2015-12-11 2019-06-18 Hyundai Motor Company Method for controlling of valve timing of continuous variable valve duration engine
KR101807023B1 (en) 2015-12-11 2017-12-08 현대자동차 주식회사 Method for controlling of valve timing of continuous variable valve duration engine
US10920679B2 (en) 2015-12-11 2021-02-16 Hyundai Motor Company Method for controlling of valve timing of continuous variable valve duration engine
US10634067B2 (en) 2015-12-11 2020-04-28 Hyundai Motor Company System and method for controlling valve timing of continuous variable valve duration engine
US10634066B2 (en) * 2016-03-16 2020-04-28 Hyundai Motor Company System and method for controlling valve timing of continuous variable valve duration engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE165357C (en) *
GB649192A (en) * 1948-02-06 1951-01-24 Cameron Charles Earl Improvements in or relating to valve actuating mechanisms for internal combustion engines
DE1165342B (en) * 1959-09-26 1964-03-12 Renault Valve control for internal combustion engines

Also Published As

Publication number Publication date
NL162172C (en) 1980-04-15
DE2029911A1 (en) 1971-01-07
FR2051344A5 (en) 1971-04-02
SE357414B (en) 1973-06-25
DE2029911C2 (en) 1982-02-18
JPS4720654B1 (en) 1972-06-12
ES381201A1 (en) 1972-12-01
US3633555A (en) 1972-01-11
NL7009496A (en) 1970-12-29
NL162172B (en) 1979-11-15

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