EP1157192A4 - Cam and cam followers for engines - Google Patents

Cam and cam followers for engines

Info

Publication number
EP1157192A4
EP1157192A4 EP99901507A EP99901507A EP1157192A4 EP 1157192 A4 EP1157192 A4 EP 1157192A4 EP 99901507 A EP99901507 A EP 99901507A EP 99901507 A EP99901507 A EP 99901507A EP 1157192 A4 EP1157192 A4 EP 1157192A4
Authority
EP
European Patent Office
Prior art keywords
cam
engines
followers
cam followers
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.)
Withdrawn
Application number
EP99901507A
Other languages
German (de)
French (fr)
Other versions
EP1157192A1 (en
Inventor
Barry Wallace Coombs
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.)
DARUT PTY Ltd
Original Assignee
DARUT Pty 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 DARUT Pty Ltd filed Critical DARUT Pty Ltd
Publication of EP1157192A1 publication Critical patent/EP1157192A1/en
Publication of EP1157192A4 publication Critical patent/EP1157192A4/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • F01L1/024—Belt 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods
    • F01L1/143—Tappets; Push rods for use with overhead camshafts
    • 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
    • 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
    • F01L13/0057—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 splittable or deformable 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)
  • Gears, Cams (AREA)
EP99901507A 1998-01-19 1999-01-19 Cam and cam followers for engines Withdrawn EP1157192A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPP1395A AUPP139598A0 (en) 1998-01-19 1998-01-19 Cam and cam followers for engines
PCT/AU1999/000034 WO1999036677A1 (en) 1998-01-19 1999-01-19 Cam and cam followers for engines

Publications (2)

Publication Number Publication Date
EP1157192A1 EP1157192A1 (en) 2001-11-28
EP1157192A4 true EP1157192A4 (en) 2002-11-13

Family

ID=3805674

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99901507A Withdrawn EP1157192A4 (en) 1998-01-19 1999-01-19 Cam and cam followers for engines

Country Status (5)

Country Link
EP (1) EP1157192A4 (en)
JP (1) JP2002537508A (en)
CN (1) CN1357079A (en)
AU (2) AUPP139598A0 (en)
WO (1) WO1999036677A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10052811A1 (en) 2000-10-25 2002-05-08 Ina Schaeffler Kg Variable valve train for load control of a spark ignition internal combustion engine
DE10123966A1 (en) * 2001-05-17 2002-11-21 Ina Schaeffler Kg Bucket tappet for valve drive has jacket with appreciably lower height than bucket tappet as whole
WO2002101207A1 (en) * 2001-06-11 2002-12-19 Blagoje Cavara Valve opening and closing control mechanism
EP1500797A1 (en) * 2003-07-23 2005-01-26 Ford Global Technologies, LLC, A subsidary of Ford Motor Company Camshaft
DE102004046363A1 (en) * 2004-09-24 2006-04-06 Daimlerchrysler Ag Camshaft adjustment device
FR2893666A3 (en) * 2005-11-23 2007-05-25 Renault Sas Internal combustion engine`s valve controlling device for use in automobile industry field, has zones acting on valve arranged in adjacent manner, where zones are separated from each other around axis, and are directly in contact with valve
GB2438628A (en) * 2006-05-31 2007-12-05 Mechadyne Plc Engine with variable valve actuating mechanism
CN101042061B (en) * 2007-04-29 2011-10-12 天津大学 Aadjuster xial direction transmission phase angle
DE102008050776A1 (en) * 2008-10-08 2010-04-15 Daimler Ag Valve drive device
US8448617B2 (en) * 2010-10-20 2013-05-28 GM Global Technology Operations LLC Engine including camshaft with partial lobe
JP5426626B2 (en) * 2011-09-03 2014-02-26 本田技研工業株式会社 Variable valve opening characteristics internal combustion engine
WO2013128295A2 (en) * 2012-02-28 2013-09-06 Schaeffler Technologies AG & Co. KG Electric phasing of a concentric camshaft
CN103758603B (en) * 2014-01-23 2017-02-01 长城汽车股份有限公司 Valve mechanism for engine and vehicle with same
CN103758604B (en) * 2014-01-23 2017-02-01 长城汽车股份有限公司 Gas distributing mechanism for engine and car with same
CN103758602B (en) * 2014-01-23 2017-07-28 长城汽车股份有限公司 For the valve actuating mechanism of engine and the vehicle with it
CN103982263B (en) * 2014-04-11 2016-09-14 奇瑞汽车股份有限公司 A kind of VVT
WO2016145570A1 (en) * 2015-03-13 2016-09-22 GM Global Technology Operations LLC Elevated compression ratio internal combustion enginewith multi-stage boosting
CN104895634A (en) * 2015-06-30 2015-09-09 常州机电职业技术学院 Continuously variable timing device
CN106401688A (en) * 2015-07-31 2017-02-15 长城汽车股份有限公司 Valve timing mechanism for engine and cam of valve timing mechanism
EP3141711A1 (en) * 2015-09-11 2017-03-15 Mechadyne International Limited Dual camshaft phaser
KR102310415B1 (en) * 2017-09-07 2021-10-08 현대자동차 주식회사 Mutiple variable valve lift appratus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417186A (en) * 1993-06-28 1995-05-23 Clemson University Dual-acting apparatus for variable valve timing and the like

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1757046A (en) 1929-02-27 1930-05-06 Int Motor Co Variable nose cam
US3608862A (en) 1969-05-21 1971-09-28 Douglas Ray Paxton Variable dwell cam advance mechanism
US3687010A (en) 1970-10-05 1972-08-29 Douglas Ray Paxton Variable dwell cam advance mechanism
DE2822147C3 (en) * 1978-05-20 1982-02-11 Volkswagenwerk Ag, 3180 Wolfsburg Camshaft arrangement, in particular for an internal combustion engine
US4388897A (en) 1980-09-22 1983-06-21 Bernard Rosa Variable camshaft assembly
SE423829B (en) 1980-09-29 1982-06-07 Hedelin Lars G B CAMERA DEVICE WITH ROOTABLE CAMORGAN, THE FORM IS VARIABLE
US4522085A (en) 1982-08-30 1985-06-11 Kane Garold L Variable lobe cam mechanism
JPS6131610A (en) * 1984-07-24 1986-02-14 Honda Motor Co Ltd Valve operation pause device for internal-combustion engine
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
JPS6341610A (en) 1986-08-08 1988-02-22 Mazda Motor Corp Valve driver for engine
GB8620416D0 (en) 1986-08-22 1986-10-01 Stidworthy F M Differential camshafts
GB8711993D0 (en) 1987-05-21 1987-06-24 Jaguar Cars Cam mechanisms
IT9020789A1 (en) 1989-07-04 1991-01-05 Gkn Automotive Ag CAMSHAFT
US5161429A (en) 1990-05-29 1992-11-10 Clemson University Variable valve actuating apparatus
GB9018558D0 (en) * 1990-08-23 1990-10-10 Ricardo Group Plc Valve gear for internal combustion engines
US5129407A (en) 1991-06-10 1992-07-14 J. D. Phillips Corporation Variable camshaft
US5253622A (en) 1993-02-17 1993-10-19 Bornstein Motor Company, Inc. Cam phase change mechanism
JPH07238820A (en) 1994-02-25 1995-09-12 Ofic Co Variable left quantity valve drive device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417186A (en) * 1993-06-28 1995-05-23 Clemson University Dual-acting apparatus for variable valve timing and the like

Also Published As

Publication number Publication date
JP2002537508A (en) 2002-11-05
AUPP139598A0 (en) 1998-02-05
WO1999036677A1 (en) 1999-07-22
AU2143099A (en) 1999-08-02
CN1357079A (en) 2002-07-03
EP1157192A1 (en) 2001-11-28

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