ITTO920440A1 - VALVE CONTROL SYSTEM FOR A VARIABLE ENDOTHERMAL ENGINE, IN PARTICULAR AN ENGINE WITH MORE VALVES PER CYLINDER. - Google Patents

VALVE CONTROL SYSTEM FOR A VARIABLE ENDOTHERMAL ENGINE, IN PARTICULAR AN ENGINE WITH MORE VALVES PER CYLINDER.

Info

Publication number
ITTO920440A1
ITTO920440A1 IT000440A ITTO920440A ITTO920440A1 IT TO920440 A1 ITTO920440 A1 IT TO920440A1 IT 000440 A IT000440 A IT 000440A IT TO920440 A ITTO920440 A IT TO920440A IT TO920440 A1 ITTO920440 A1 IT TO920440A1
Authority
IT
Italy
Prior art keywords
engine
variable
control system
valve control
per cylinder
Prior art date
Application number
IT000440A
Other languages
Italian (it)
Inventor
Paolo Martinelli
Giuseppe Molinari
Original Assignee
Ferrari 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 Ferrari Spa filed Critical Ferrari Spa
Priority to ITTO920440A priority Critical patent/IT1257540B/en
Publication of ITTO920440A0 publication Critical patent/ITTO920440A0/en
Priority to DE69308373T priority patent/DE69308373T2/en
Priority to EP93108213A priority patent/EP0570963B1/en
Priority to ES93108213T priority patent/ES2097942T3/en
Publication of ITTO920440A1 publication Critical patent/ITTO920440A1/en
Application granted granted Critical
Publication of IT1257540B publication Critical patent/IT1257540B/en

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
    • F01L13/0042—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 with cams being 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
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/245—Arrangement of valve stems in cylinder heads the valve stems being orientated at an angle with the cylinder axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/247—Arrangement of valve stems in cylinder heads the valve stems being orientated in parallel with the cylinder axis
ITTO920440A 1992-05-22 1992-05-22 VALVE CONTROL SYSTEM FOR A VARIABLE ENDOTHERMAL ENGINE, IN PARTICULAR AN ENGINE WITH MORE VALVES PER CYLINDER. IT1257540B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO920440A IT1257540B (en) 1992-05-22 1992-05-22 VALVE CONTROL SYSTEM FOR A VARIABLE ENDOTHERMAL ENGINE, IN PARTICULAR AN ENGINE WITH MORE VALVES PER CYLINDER.
DE69308373T DE69308373T2 (en) 1992-05-22 1993-05-19 Variable valve control device for an internal combustion engine, in particular an internal combustion engine with several valves per cylinder
EP93108213A EP0570963B1 (en) 1992-05-22 1993-05-19 A valve control system for a variable-timing internal combustion engine, particularly for an engine with several valves per cylinder
ES93108213T ES2097942T3 (en) 1992-05-22 1993-05-19 VALVE CONTROL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE WITH VARIABLE ADJUSTMENT, PARTICULARLY FOR AN ENGINE WITH SEVERAL VALVES PER CYLINDER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO920440A IT1257540B (en) 1992-05-22 1992-05-22 VALVE CONTROL SYSTEM FOR A VARIABLE ENDOTHERMAL ENGINE, IN PARTICULAR AN ENGINE WITH MORE VALVES PER CYLINDER.

Publications (3)

Publication Number Publication Date
ITTO920440A0 ITTO920440A0 (en) 1992-05-22
ITTO920440A1 true ITTO920440A1 (en) 1993-11-22
IT1257540B IT1257540B (en) 1996-01-30

Family

ID=11410481

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO920440A IT1257540B (en) 1992-05-22 1992-05-22 VALVE CONTROL SYSTEM FOR A VARIABLE ENDOTHERMAL ENGINE, IN PARTICULAR AN ENGINE WITH MORE VALVES PER CYLINDER.

Country Status (4)

Country Link
EP (1) EP0570963B1 (en)
DE (1) DE69308373T2 (en)
ES (1) ES2097942T3 (en)
IT (1) IT1257540B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1270443B (en) * 1993-02-10 1997-05-05 Fiat Auto Spa VARIABLE GEOMETRY DISTRIBUTION CONTROL FOR AN INTERNAL COMBUSTION ENGINE.
DE9405442U1 (en) * 1994-03-31 1995-08-03 Fev Motorentech Gmbh & Co Kg 4-valve piston internal combustion engine
EP1164258A3 (en) * 1997-03-27 2003-01-02 Toyota Jidosha Kabushiki Kaisha Valve driving apparatus for engine
DE102006047293A1 (en) * 2006-10-06 2008-04-10 Schaeffler Kg Valve drive for an internal combustion engine with displaceable space cam
DE102006058093A1 (en) * 2006-12-09 2008-06-12 Schaeffler Kg valve train

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179700B (en) * 1985-08-29 1989-08-09 Nissan Motor Rocker arm arrangement for multi-valve internal combustion engine
IT1195192B (en) * 1986-10-07 1988-10-12 Fiat Auto Spa VALVE CONTROL FOR CAMSHAFT ENGINES IN HEAD

Also Published As

Publication number Publication date
IT1257540B (en) 1996-01-30
EP0570963A1 (en) 1993-11-24
EP0570963B1 (en) 1997-03-05
ES2097942T3 (en) 1997-04-16
DE69308373D1 (en) 1997-04-10
DE69308373T2 (en) 1997-06-26
ITTO920440A0 (en) 1992-05-22

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971223