ES2107819T3 - Medios de control de valvula. - Google Patents

Medios de control de valvula.

Info

Publication number
ES2107819T3
ES2107819T3 ES94910474T ES94910474T ES2107819T3 ES 2107819 T3 ES2107819 T3 ES 2107819T3 ES 94910474 T ES94910474 T ES 94910474T ES 94910474 T ES94910474 T ES 94910474T ES 2107819 T3 ES2107819 T3 ES 2107819T3
Authority
ES
Spain
Prior art keywords
valve
following
valve element
control
fluid
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
ES94910474T
Other languages
English (en)
Inventor
Jeffrey Allen
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.)
Lotus Cars Ltd
Original Assignee
Lotus Cars 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 Lotus Cars Ltd filed Critical Lotus Cars Ltd
Application granted granted Critical
Publication of ES2107819T3 publication Critical patent/ES2107819T3/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
    • 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
    • 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
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • 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
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/245—Hydraulic tappets
    • F01L1/25—Hydraulic tappets between cam and valve stem

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)

Abstract

EN LA PRESENTE INVENCION SE PRESENTA UN ELEMENTO DE CONTROL CON VALVULA A UTILIZAR EN UN MOTOR DE COMBUSTION INTERNA QUE TIENE UN ELEMENTO DE VALVULA (180), UN ELEMENTO DE LEVA QUE COMPRENDE UN ARBOL DE LEVAS ROTATIVO (185) QUE TIENE UNA PRIMERA PORCION (181) Y UNA SEGUNDA SECCION (182) QUE TIENE UNA SECCION TRANSVERSAL DISTINTA DE LA DE LA PRIMERA PORCION (181). EL ELEMENTO DE CONTROL CON VALVULA COMPRENDE UN PRIMER ELEMENTO SEGUIDOR (1009 QUE SE PUEDE ACOPLAR AL ELEMENTO DE VALVULA (180) Y A LA PRIMERA PORCION (181), UN ELEMENTO AJUSTADOR DEL JUEGO HIDRAULICO (101A, 101B, 102, 103, 104, 106, 107, 108, 109, 110, 111, 112) COLOCADO EN EL PRIMER ELEMENTO SEGUIDOR (100), UN SEGUNDO ELEMENTO SEGUIDOR (150) QUE SE PUEDE MOVER RESPECTO AL PRIMER ELEMENTO SEGUIDOR (100) Y QUE SE PUEDE ACOPLAR A LA SEGUNDA PORCION (182) Y UN ELEMENTO DE UNION (160, 163, 167) PARA QUE EL PRIMER (100) Y EL SEGUNDO (150) ELEMENTOS SEGUIDORES QUEDEN UNIDOS ENTRE SI. EL ELEMENTO AJUSTADOR DEL JUEGO HIDRAULICO (101A, 101B, 102, 103, 104, 106, 107, 108, 109, 110, 111, 112) TIENE UN PRIMER MIEMBRO (101A, 101B) QUE DEFINE UN AGUJERO CERRADO, UN SEGUNDO MIEMBRO (107) QUE SE PUEDE MOVER POR DENTRO DEL AGUJERO DEL PRIMER MIEMBRO (101A, 101B) Y QUE DEFINE JUNTO CON EL PRIMER MIEMBRO (101A, 101B) UNA CAMARA DE VOLUMEN VARIABLE (108) PARA UN FLUIDO HIDRAULICO, UN CONDUCTO (102, 103, 106) PARA PERMITIR EL FLUJO DEL FLUIDO A LA CAMARA (108) Y UN ELEMENTO DE VALVULA (109, 110, 111, 112) PARA CONTROLAR EL FLUJO DE ENTRADA Y SALIDA DEL FLUIDO A LA CAMARA (108). DURANTE EL USO DEL ELEMENTO DE CONTROL CON VALVULA, CUANDO EL PRIMER (100) Y EL SEGUNDO (150) ELEMENTOS SEGUIDORES NO SE ENCUENTRAN UNIDOS, EL MOVIMIENTO DEL ELEMENTO DE VALVULA (180) SE CONTROLA CON EL PRIMER ELEMENTO SEGUIDOR (100) Y AL ELEMENTO DE VALVULA (180) SE LE DA EN CADA TIEMPO DEL MOTOR LA ELEVACION DE LA PRIMERA PORCION (181) Y CUANDO EL PRIMER (100) Y EL SEGUNDO (150) ELEMENTOS SEGUIDORES SE ENCUENTRAN UNIDOS, EL MOVIMIENTO DEL ELEMENTO DE VALVULA (180) SE CONTROLA CON EL SEGUNDO ELEMENTO SEGUIDOR (150) Y AL ELEMENTO DE VALVULA (180) SE LE DA EN CADA TIEMPO DEL MOTOR LA ELEVACION DE LA SEGUNDA PORCION (182).
ES94910474T 1993-03-25 1994-03-25 Medios de control de valvula. Expired - Lifetime ES2107819T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939306221A GB9306221D0 (en) 1993-03-25 1993-03-25 Valve control means

Publications (1)

Publication Number Publication Date
ES2107819T3 true ES2107819T3 (es) 1997-12-01

Family

ID=10732735

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94910474T Expired - Lifetime ES2107819T3 (es) 1993-03-25 1994-03-25 Medios de control de valvula.

Country Status (7)

Country Link
EP (1) EP0695395B1 (es)
JP (1) JP3321167B2 (es)
KR (1) KR100299302B1 (es)
DE (1) DE69405555T2 (es)
ES (1) ES2107819T3 (es)
GB (1) GB9306221D0 (es)
WO (1) WO1994021899A1 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4314619A1 (de) * 1993-05-04 1994-11-10 Schaeffler Waelzlager Kg Stößel
US6076491A (en) * 1994-05-03 2000-06-20 Lotus Cars Limited Valve control mechanism
DE69513165T2 (de) * 1994-05-03 2000-06-15 Lotus Cars Ltd., Norwich Ventilantriebsvorrichtung
US5431133A (en) * 1994-05-31 1995-07-11 General Motors Corporation Low mass two-step valve lifter
DE4436952A1 (de) * 1994-10-15 1996-04-18 Schaeffler Waelzlager Kg Schaltbarer Stößel eines Ventiltriebs einer Brennkraftmaschine
DE4440133A1 (de) * 1994-11-10 1996-05-15 Schaeffler Waelzlager Kg Schaltbarer Nockenfolger
DE4440469A1 (de) * 1994-11-12 1996-05-30 Peter Prof Dr Tenberge Schaltbarer Stößel
US5709180A (en) * 1997-02-06 1998-01-20 General Motors Corporation Narrow cam two-step lifter
AU2001287705A1 (en) * 2000-09-30 2002-04-15 Ina-Schaeffler Kg Disconnectable support element
US6739293B2 (en) 2000-12-04 2004-05-25 Sturman Industries, Inc. Hydraulic valve actuation systems and methods
DE10204673A1 (de) * 2002-02-06 2003-08-07 Ina Schaeffler Kg Schaltelement für einen Ventiltrieb einer Brennkraftmaschine
DE102006030162A1 (de) * 2006-06-29 2008-01-03 Schaeffler Kg Verriegelungsvorrichtung für ein schaltbares Ventiltriebsglied eines Ventiltriebes eines Verbrennungsmotors
DE102007016740A1 (de) * 2007-04-07 2008-10-09 Schaeffler Kg Schaltbarer Tassenstößel
DE102007016739A1 (de) * 2007-04-07 2008-10-09 Schaeffler Kg Schaltbares Ventiltriebsteil
KR101316459B1 (ko) * 2007-12-07 2013-10-08 현대자동차주식회사 Ｖｖｌ 및 ｃｄａ용 가변 태핏
KR100962195B1 (ko) * 2007-12-12 2010-06-11 현대자동차주식회사 가변 밸브 리프트 장치
DE202020105299U1 (de) 2019-09-16 2020-11-24 Eaton Intelligent Power Limited Verriegelungsstift zur Verwendung in einem Ventilheber und diesen enthaltender Ventilheber

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1958627A1 (de) * 1969-11-21 1971-06-24 Daimler Benz Ag Verstellvorrichtung fuer Ventilerhebungen
US3704696A (en) * 1971-03-08 1972-12-05 Eaton Corp Hydraulic valve lifter
DE3311280A1 (de) * 1983-03-28 1984-10-11 FEV Forschungsgesellschaft für Energietechnik und Verbrennungsmotoren mbH, 5100 Aachen Hydraulisches ventilspielausgleichselement
DE3347680A1 (de) * 1983-12-31 1984-08-30 Ernst 8450 Amberg Haubner Ventilsteuerung fuer brennkraftmaschinen mit zwei unterschiedlichen ventilzeiten
CA1308977C (en) * 1986-08-27 1992-10-20 Tsuneo Konno Valve operating device for internal combustion engine
US5253621A (en) * 1992-08-14 1993-10-19 Group Lotus Plc Valve control means
WO1991012413A1 (en) * 1990-02-16 1991-08-22 Group Lotus Plc Valve control means
US5193496A (en) * 1991-02-12 1993-03-16 Volkswagen Ag Variable action arrangement for a lift valve
US5361733A (en) * 1993-01-28 1994-11-08 General Motors Corporation Compact valve lifters

Also Published As

Publication number Publication date
DE69405555D1 (de) 1997-10-16
EP0695395B1 (en) 1997-09-10
GB9306221D0 (en) 1993-05-19
JP3321167B2 (ja) 2002-09-03
EP0695395A1 (en) 1996-02-07
DE69405555T2 (de) 1998-02-19
KR960701282A (ko) 1996-02-24
WO1994021899A1 (en) 1994-09-29
JPH08508077A (ja) 1996-08-27
KR100299302B1 (ko) 2001-11-22

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