ES2109803T3 - Reglaje variable de valvulas. - Google Patents

Reglaje variable de valvulas.

Info

Publication number
ES2109803T3
ES2109803T3 ES95902239T ES95902239T ES2109803T3 ES 2109803 T3 ES2109803 T3 ES 2109803T3 ES 95902239 T ES95902239 T ES 95902239T ES 95902239 T ES95902239 T ES 95902239T ES 2109803 T3 ES2109803 T3 ES 2109803T3
Authority
ES
Spain
Prior art keywords
hollow shaft
pct
yoke
sleeve
actuating rod
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.)
Expired - Lifetime
Application number
ES95902239T
Other languages
English (en)
Inventor
Derek Frost
Timothy Mark Lancefield
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.)
Mechadyne International Ltd
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 ES2109803T3 publication Critical patent/ES2109803T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F01L1/34—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
    • 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
    • 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)
  • 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)

Abstract

UN MECANISMO DE FUNCIONAMIENTO DE VALVULA COMPRENDE UN EJE HUECO (10), UN MANGUITO MUÑONADO EN EL EJE HUECO Y DE GIRO RAPIDO CON UNA LEVA, UNA ABRAZADERA DE ACOPLAMIENTO (16) CONECTADA POR UN PRIMER PASADOR DE PIVOTE (18) AL EJE HUECO (10) Y POR UN SEGUNDO PASADOR DE PIVOTE (20) AL MANGUITO Y ELEMENTOS PARA MOVER LA ABRAZADERA (16) RADIALMENTE PARA EFECTUAR UN CAMBIO DE FASE ENTRE EL EJE HUECO (10) Y EL MANGUITO, EN DONDE EL ELEMENTO PARA MOVER LA ABRAZADERA (16) COMPRENDE RADIALMENTE UNA VARILLA DE ACCIONAMIENTO (24) RECIBIDA DE FORMA DESLIZABLE EN EL EJE HUECO (10), UNA SUPERFICIE DE LEVA EN LA VARILLA DE ACCIONAMIENTO (24) Y UN TAPON (22) QUE PASA A TRAVES DE UN DIAMETRO INTERIOR GENERALMENTE RADIAL EN EL EJE HUECO (10) PARA HACER QUE LA ABRAZADERA (16) SE MUEVA RADIALMENTE EN RESPUESTA AL MOVIMIENTO AXIAL DE LA VARILLA DE ACCIONAMIENTO (24).
ES95902239T 1993-12-08 1994-12-06 Reglaje variable de valvulas. Expired - Lifetime ES2109803T3 (es)

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
ES2109803T3 true ES2109803T3 (es) 1998-01-16

Family

ID=10746323

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95902239T Expired - Lifetime ES2109803T3 (es) 1993-12-08 1994-12-06 Reglaje variable de valvulas.

Country Status (10)

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

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 (en) 2021-06-08 2022-12-14 Mechadyne International Ltd. Variable phase mechanism

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 (es) * 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 (en) 1997-08-27
JPH09506404A (ja) 1997-06-24
DE69405250T2 (de) 1998-03-19
ATE157427T1 (de) 1997-09-15
EP0733154A1 (en) 1996-09-25
US5671706A (en) 1997-09-30
KR970700281A (ko) 1997-01-08
WO1995016108A1 (en) 1995-06-15

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