ATE157427T1 - Variable ventilzeitsteuerung - Google Patents

Variable ventilzeitsteuerung

Info

Publication number
ATE157427T1
ATE157427T1 AT95902239T AT95902239T ATE157427T1 AT E157427 T1 ATE157427 T1 AT E157427T1 AT 95902239 T AT95902239 T AT 95902239T AT 95902239 T AT95902239 T AT 95902239T AT E157427 T1 ATE157427 T1 AT E157427T1
Authority
AT
Austria
Prior art keywords
hollow shaft
pct
yoke
sleeve
actuating rod
Prior art date
Application number
AT95902239T
Other languages
English (en)
Inventor
Derek Frost
Timothy Mark Lancefield
Original Assignee
Mechadyne 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 Mechadyne Ltd filed Critical Mechadyne Ltd
Application granted granted Critical
Publication of ATE157427T1 publication Critical patent/ATE157427T1/de

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015Modifications 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
    • F01L13/0057Modifications 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34Valve-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
    • F01L1/344Valve-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/04Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047Camshafts
    • F01L2001/0471Assembled camshafts
    • F01L2001/0473Composite camshafts, e.g. with cams or cam sleeve being able to move relative to the inner camshaft or a cam adjusting rod
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/21Elements
    • Y10T74/2101Cams
    • Y10T74/2102Adjustable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Graft Or Block Polymers (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
AT95902239T 1993-12-08 1994-12-06 Variable ventilzeitsteuerung ATE157427T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939325168A GB9325168D0 (en) 1993-12-08 1993-12-08 Variable valve timing

Publications (1)

Publication Number Publication Date
ATE157427T1 true ATE157427T1 (de) 1997-09-15

Family

ID=10746323

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95902239T ATE157427T1 (de) 1993-12-08 1994-12-06 Variable ventilzeitsteuerung

Country Status (10)

Country Link
US (1) US5671706A (de)
EP (1) EP0733154B1 (de)
JP (1) JPH09506404A (de)
KR (1) KR970700281A (de)
AT (1) ATE157427T1 (de)
BR (1) BR9408192A (de)
DE (1) DE69405250T2 (de)
ES (1) ES2109803T3 (de)
GB (1) GB9325168D0 (de)
WO (1) WO1995016108A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6035707A (en) * 1996-12-19 2000-03-14 Main; Scott Camshaft bench tester
US5937809A (en) * 1997-03-20 1999-08-17 General Motors Corporation Variable valve timing mechanisms
GB2324487A (en) 1997-04-26 1998-10-28 Mechadyne Ltd Method of manufacturing a multi-component camshaft
GB2339269B (en) * 1997-04-26 2001-05-02 Mechadyne Internat Plc Method of manufacturing a multi-component camshaft
GB2330894A (en) * 1997-11-03 1999-05-05 Mechadyne Int Plc Phase change mechanism
GB2332730A (en) 1997-11-03 1999-06-30 Mechadyne Int Plc Phase change mechanism
GB2346948A (en) * 1999-02-18 2000-08-23 Mechadyne Int Plc Variable phase mechanism
AU2001250234A1 (en) 2000-05-13 2001-11-26 Krupp Presta Ag Adjusting device for adjusting the relative position of a shaft
AUPR093100A0 (en) * 2000-10-23 2000-11-16 Gibson, David Vincent Variable duration valve timing camshaft
GB2432398B (en) * 2005-11-18 2008-08-13 Lotus Car Reciprocating piston sleeve valve engine
DE102007042053A1 (de) * 2007-09-05 2009-03-12 Mahle International Gmbh Kolbenmotor
US7540267B1 (en) * 2007-11-20 2009-06-02 Honda Motor Company, Ltd. Engines with variable valve actuation and vehicles including the same
WO2010096437A2 (en) 2009-02-17 2010-08-26 Cummins Inc. Variable valve actuation apparatus, system, and method
JP5426626B2 (ja) * 2011-09-03 2014-02-26 本田技研工業株式会社 開弁特性可変型内燃機関
EP4102035A1 (de) 2021-06-08 2022-12-14 Mechadyne International Ltd. Mechanismus mit variabler phase

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3144009A (en) * 1962-05-14 1964-08-11 Dick Schoep Variable valve timing mechanism
FR2261413A1 (en) * 1974-02-20 1975-09-12 Baguena Michel Four stroke engine with variable timing - has cams with controlled variable angular relationship to camshaft
DE3234640A1 (de) * 1982-09-18 1984-03-22 Volkswagenwerk Ag, 3180 Wolfsburg Ventiltrieb, insbesondere fuer eine brennkraftmaschine
US4771742A (en) * 1986-02-19 1988-09-20 Clemson University Method for continuous camlobe phasing
DE3825074C1 (de) * 1988-07-23 1989-10-19 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De
GB9015461D0 (en) * 1990-07-13 1990-08-29 Phoenix Lancelot Variable valve timing
IT1247353B (it) * 1991-06-11 1994-12-12 Lando Baldassini Distribuzione per motore a quattro tempi con albero a cammes a rotazione variabile
BE1005985A3 (fr) * 1992-06-10 1994-04-12 Discry Joseph Dispositif pour distribution rotative.
GB2268246B (en) * 1992-06-17 1995-06-28 Unisia Jecs Corp Cam shaft assembly for use in internal combustion engine
GB2268998A (en) * 1992-07-22 1994-01-26 Ford Motor Co A phase change mechanism with noise reduction elements
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
GB9325168D0 (en) 1994-02-09
DE69405250D1 (de) 1997-10-02
BR9408192A (pt) 1997-08-26
EP0733154B1 (de) 1997-08-27
JPH09506404A (ja) 1997-06-24
DE69405250T2 (de) 1998-03-19
EP0733154A1 (de) 1996-09-25
US5671706A (en) 1997-09-30
KR970700281A (ko) 1997-01-08
ES2109803T3 (es) 1998-01-16
WO1995016108A1 (en) 1995-06-15

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee