AU1376495A - Variable timing camshaft with variable valve list - Google Patents

Variable timing camshaft with variable valve list

Info

Publication number
AU1376495A
AU1376495A AU13764/95A AU1376495A AU1376495A AU 1376495 A AU1376495 A AU 1376495A AU 13764/95 A AU13764/95 A AU 13764/95A AU 1376495 A AU1376495 A AU 1376495A AU 1376495 A AU1376495 A AU 1376495A
Authority
AU
Australia
Prior art keywords
variable
valve list
timing camshaft
variable valve
camshaft
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.)
Abandoned
Application number
AU13764/95A
Inventor
Stephen Keith Madden
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
Priority claimed from AUPM3228A external-priority patent/AUPM322894A0/en
Priority claimed from AUPM4536A external-priority patent/AUPM453694A0/en
Priority claimed from AUPM6505A external-priority patent/AUPM650594A0/en
Priority claimed from AUPM6827A external-priority patent/AUPM682794A0/en
Application filed by Individual filed Critical Individual
Publication of AU1376495A publication Critical patent/AU1376495A/en
Priority to AU15421/99A priority Critical patent/AU1542199A/en
Abandoned 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
    • 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
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/181—Centre pivot rocking arms
    • 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
    • F01L1/348—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 by means acting on timing belts or chains
    • 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
    • F01L1/352—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 using bevel or epicyclic gear
    • 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
    • F01L1/08—Shape of cams
    • 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
    • F01L2001/0471—Assembled camshafts
    • F01L2001/0473—Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod

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)
AU13764/95A 1994-01-05 1995-01-05 Variable timing camshaft with variable valve list Abandoned AU1376495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU15421/99A AU1542199A (en) 1994-01-05 1999-02-05 Variable timing camshaft with variable valve lift

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
AUPM3228A AUPM322894A0 (en) 1994-01-05 1994-01-05 Dual operation air compressor/air motor
AUPM3228 1994-01-05
AUPM4536A AUPM453694A0 (en) 1994-03-18 1994-03-18 Mechanically variable camshaft timing enabling valve opening point, valve closing point and valve duration to be altered in a motor under power
AUPM4536 1994-03-18
AUPM6505A AUPM650594A0 (en) 1994-06-29 1994-06-29 Concentric variable timing camshaft utilising directly coupled camshaft segments and hydraulic controlled camshaft advance and retard
AUPM6505 1994-06-29
AUPM6827A AUPM682794A0 (en) 1994-07-15 1994-07-15 Variable timing camshaft utilizing multiple inverted camlobes, independently controled by concentric camshafts, which control valve opening, closing & duration, also incorporating a limited movement ramp type camlobe to vary valve lift
AUPM6827 1994-07-15
PCT/AU1995/000002 WO1995018917A1 (en) 1994-01-05 1995-01-05 Variable timing camshaft with variable valve list

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU15421/99A Division AU1542199A (en) 1994-01-05 1999-02-05 Variable timing camshaft with variable valve lift

Publications (1)

Publication Number Publication Date
AU1376495A true AU1376495A (en) 1995-08-01

Family

ID=27424362

Family Applications (1)

Application Number Title Priority Date Filing Date
AU13764/95A Abandoned AU1376495A (en) 1994-01-05 1995-01-05 Variable timing camshaft with variable valve list

Country Status (4)

Country Link
AU (1) AU1376495A (en)
DE (1) DE19581459T1 (en)
GB (1) GB2301396B (en)
WO (1) WO1995018917A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19620744B4 (en) * 1995-06-07 2006-02-02 Volkswagen Ag Device for influencing the timing of an internal combustion engine
JP2002285871A (en) * 2001-03-27 2002-10-03 Unisia Jecs Corp Variable valve gear for internal combustion engine
US6999864B2 (en) * 2002-07-15 2006-02-14 Hitachi, Ltd. Apparatus and method for estimating residual gas amount of internal combustion engine, and apparatus and method for controlling intake air amount of internal combustion engine using estimated residual gas amount
JP4060136B2 (en) * 2002-07-15 2008-03-12 株式会社日立製作所 Control device for variable valve mechanism
JP4092184B2 (en) * 2002-12-10 2008-05-28 株式会社日立製作所 Variable valve control device for internal combustion engine
DE202005021715U1 (en) 2005-02-03 2009-07-02 Mahle International Gmbh Camshaft with mutually rotatable cam for motor vehicles in particular
DE102005039751A1 (en) * 2005-08-23 2007-03-01 Mahle International Gmbh camshaft
DE102007007758A1 (en) * 2007-02-16 2008-08-21 Mahle International Gmbh Valve drive of a reciprocating internal combustion engine
DE102007019236B4 (en) 2007-04-24 2022-06-09 Daimler Truck AG engine brake
WO2009024170A1 (en) * 2007-08-22 2009-02-26 Fev Motorentechnik Gmbh Internal combustion engine having a cam-controlled variable valve train
DE102012212250A1 (en) * 2012-07-12 2014-01-16 Mahle International Gmbh Internal combustion engine e.g. piston engine, for use in motor car, has inlet and exhaust valve-side cam shafts in drive-connection with each other within valve train in enforced manner and arranged at top of cylinder head of engine
EP2984289A1 (en) * 2013-04-09 2016-02-17 Achates Power, Inc. Mechanism for varying crankshaft timing on a belt/chain driven, dual crankshaft opposed-piston engine
DE102017113363B4 (en) 2017-06-19 2022-06-23 Schaeffler Technologies AG & Co. KG Variable valve train of an internal combustion engine
US10697333B2 (en) 2017-12-01 2020-06-30 Schaeffler Technologies AG & Co. KG Hydraulically actuated camshaft phasers for concentrically arranged camshafts
US10895179B2 (en) 2018-01-12 2021-01-19 Schaeffler Technologies AG & Co. KG Trigger wheel arrangement for concentrically arranged camshafts

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897760A (en) * 1973-10-09 1975-08-05 Charles A Hisserich Valve timing overlap control for internal combustion engines
JPS513843A (en) * 1974-07-01 1976-01-13 Nippon Telegraph & Telephone BUNPASOCHOANZENBEN
DE2822147C3 (en) * 1978-05-20 1982-02-11 Volkswagenwerk Ag, 3180 Wolfsburg Camshaft arrangement, in particular for an internal combustion engine
DE2921645A1 (en) * 1979-05-28 1980-12-11 Karl Lehr Variable timing camshaft for IC engine - has each lobe divided and movable on helix to change overall cam form
DE2930266A1 (en) * 1979-07-26 1981-02-12 Volkswagenwerk Ag CAMSHAFT ARRANGEMENT, IN PARTICULAR FOR AN INTERNAL COMBUSTION ENGINE
DE3212663A1 (en) * 1982-04-05 1983-10-13 Harry 6200 Wiesbaden Martin Camshaft with variable timings
JPS60113005A (en) * 1983-11-25 1985-06-19 Suzuki Motor Co Ltd Valve timing variable device of four-cycle engine
JPS6125905A (en) * 1984-07-13 1986-02-05 Hitachi Ltd Variable valve timing controller
US4643141A (en) * 1986-01-26 1987-02-17 Bledsoe Phillip G Internal combustion engine valve lift and cam duration control system
US4771742A (en) * 1986-02-19 1988-09-20 Clemson University Method for continuous camlobe phasing
DE3615449A1 (en) * 1986-05-07 1987-11-12 Erich Schmid Device for a cam-controlled reciprocating piston engine
DE3934848A1 (en) * 1989-10-19 1991-04-25 Ingelheim Peter Graf Von Camshaft with single control for several valve timings - has hollow shaft with peripheral slits firmly coupled to drive wheel

Also Published As

Publication number Publication date
DE19581459T1 (en) 1997-02-27
GB9614003D0 (en) 1996-09-04
GB2301396A (en) 1996-12-04
WO1995018917A1 (en) 1995-07-13
GB2301396B (en) 1998-05-06

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