ES2182176T3 - INTERNAL COMBUSTION ENGINE. - Google Patents

INTERNAL COMBUSTION ENGINE.

Info

Publication number
ES2182176T3
ES2182176T3 ES98109104T ES98109104T ES2182176T3 ES 2182176 T3 ES2182176 T3 ES 2182176T3 ES 98109104 T ES98109104 T ES 98109104T ES 98109104 T ES98109104 T ES 98109104T ES 2182176 T3 ES2182176 T3 ES 2182176T3
Authority
ES
Spain
Prior art keywords
pair
valves
arm
valve
combustion engine
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
ES98109104T
Other languages
Spanish (es)
Inventor
Pietro Bianchi
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.)
Iveco SpA
Original Assignee
Iveco Fiat SpA
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 Iveco Fiat SpA filed Critical Iveco Fiat SpA
Application granted granted Critical
Publication of ES2182176T3 publication Critical patent/ES2182176T3/en
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
    • 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
    • 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
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • 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
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • 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
    • F01L2305/00—Valve arrangements comprising rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

UN MOTOR TERMICO QUE CONTIENE VARIOS CILINDROS (2) EQUIPADOS CON UN PAR DE VALVULAS DE ENTRADA (5) Y UN PAR DE VALVULAS DE ESCAPE (4) Y UN ENSAMBLAJE (7) DE CONTROL DE VALVULAS QUE INCLUYE, A SU VEZ, UN EJE DE DISTRIBUCION (8) Y, PARA CADA PAR DE VALVULAS CORRESPONDIENTES, UN BRAZO OSCILANTE (9) CONTROLADO POR UN BRAZO CORRESPONDIENTE (10) DEL EJE DE DISTRIBUCION (8) Y QUE ACTIVA EL PAR DE VALVULAS MEDIANTE UN ELEMENTO TRANSVERSAL (16), Y UN SISTEMA (17) PARA AJUSTAR EL JUEGO EN LA CADENA CINEMATICA PRESENTE ENTRE CADA LEVA (10) Y EL PAR ASOCIADO DE VALVULAS (4, 5); EL ELEMENTO TRANSVERSAL (16) INCLUYE UNA PIEZA DE CONTROL (20) DE LAS VALVULAS (4) Y UN BRAZO (21) QUE SE EXTIENDE TRANSVERSALMENTE DESDE LA PIEZA DE CONTROL (20) HACIA LA PARTE EXTERIOR DEL CILINDRO ASOCIADO (2). EL ENSAMBLAJE (7) DE CONTROL DE VALVULAS SE ALOJA EN LA CABEZA (6) DEL CILINDRO CERCA DE UN EXTREMO LIBRE (23) DEL BRAZO (21) DEL ELEMENTO TRANSVERSAL (16) Y ESTA UNIDO A ESTE ULTIMO POR UN ACOPLAMIENTO ARTICULADO.A THERMAL ENGINE CONTAINING MISCELLANEOUS CYLINDERS (2) EQUIPPED WITH A PAIR OF INPUT VALVES (5) AND A PAIR OF EXHAUST VALVES (4) AND A VALVE CONTROL ASSEMBLY (7) THAT INCLUDES, IN A TIME, A SHAFT OF DISTRIBUTION (8) AND, FOR EACH PAIR OF CORRESPONDING VALVES, AN OSCILLATING ARM (9) CONTROLLED BY A CORRESPONDING ARM (10) OF THE DISTRIBUTION AXIS (8) AND THAT ACTIVATES THE VALVE PAIR THROUGH A TRANSVERSAL ELEMENT (16), AND A SYSTEM (17) TO ADJUST THE GAME IN THE KINEMATIC CHAIN PRESENT BETWEEN EACH CAM (10) AND THE ASSOCIATED PAIR OF VALVES (4, 5); THE TRANSVERSAL ELEMENT (16) INCLUDES A CONTROL PIECE (20) OF THE VALVES (4) AND AN ARM (21) EXTENDING TRANSVERSALLY FROM THE CONTROL PIECE (20) TO THE OUTSIDE OF THE ASSOCIATED CYLINDER (2). THE VALVE CONTROL ASSEMBLY (7) IS STAYED IN THE HEAD (6) OF THE CYLINDER NEAR A FREE END (23) OF THE ARM (21) OF THE TRANSVERSE ELEMENT (16) AND IS JOINED TO THIS LAST BY AN ARTICULATED COUPLING.

ES98109104T 1997-05-20 1998-05-19 INTERNAL COMBUSTION ENGINE. Expired - Lifetime ES2182176T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97TO000433A IT1292324B1 (en) 1997-05-20 1997-05-20 ENDOTHERMAL MOTOR.

Publications (1)

Publication Number Publication Date
ES2182176T3 true ES2182176T3 (en) 2003-03-01

Family

ID=11415722

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98109104T Expired - Lifetime ES2182176T3 (en) 1997-05-20 1998-05-19 INTERNAL COMBUSTION ENGINE.

Country Status (4)

Country Link
EP (1) EP0879936B1 (en)
DE (1) DE69807979T2 (en)
ES (1) ES2182176T3 (en)
IT (1) IT1292324B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020002726B4 (en) 2020-05-07 2022-09-29 Georg Schreiber Reciprocating piston with valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1257078B (en) * 1992-08-26 1996-01-05 Iveco Fiat ENDOTHERMAL MOTOR PROVIDED WITH A PERFECTED VALVE CONTROL UNIT.
US5303680A (en) * 1993-06-10 1994-04-19 Eaton Corporation Lash adjusting mechanism for multi valve engine
NL1001267C2 (en) * 1995-09-22 1997-03-25 Netherlands Car Bv Combustion engine.
US5636600A (en) * 1995-10-31 1997-06-10 Cummins Engine Company, Inc. Rocker lever assembly for internal combustion engine

Also Published As

Publication number Publication date
ITTO970433A0 (en) 1997-05-20
IT1292324B1 (en) 1999-01-29
EP0879936A1 (en) 1998-11-25
DE69807979T2 (en) 2003-05-28
DE69807979D1 (en) 2002-10-24
EP0879936B1 (en) 2002-09-18
ITTO970433A1 (en) 1998-11-20

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