ATE209296T1 - INTERNAL COMBUSTION ENGINE FOR VEHICLES AND CONTROL METHOD - Google Patents

INTERNAL COMBUSTION ENGINE FOR VEHICLES AND CONTROL METHOD

Info

Publication number
ATE209296T1
ATE209296T1 AT96112814T AT96112814T ATE209296T1 AT E209296 T1 ATE209296 T1 AT E209296T1 AT 96112814 T AT96112814 T AT 96112814T AT 96112814 T AT96112814 T AT 96112814T AT E209296 T1 ATE209296 T1 AT E209296T1
Authority
AT
Austria
Prior art keywords
vehicles
combustion engine
internal combustion
control method
valve
Prior art date
Application number
AT96112814T
Other languages
German (de)
Inventor
Francesco Cuniberti
Original Assignee
Iveco Fiat
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 filed Critical Iveco Fiat
Application granted granted Critical
Publication of ATE209296T1 publication Critical patent/ATE209296T1/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
    • F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
    • 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
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Valve Device For Special Equipments (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Electrical Control Of Ignition Timing (AREA)

Abstract

A heat engine (1) provided with a plurality of cylinders having at least one inlet valve (3), at least one exhaust valve (4) and an auxiliary valve (6) forming part of a vacuum braking device (5); the valves (3, 4, 6) are controlled by an electronic control unit (8) which, in response to an actuating signal of the vacuum braking device, prevents the injection of fuel into the cylinders (2) and varies the timing sequence from a conventional four-stroke cycle to a two-stroke cycle in which the inlet valve (3) and the auxiliary valve (6) open alternately in accordance with each dead centre of the associated cylinder (2). <IMAGE>
AT96112814T 1995-08-11 1996-08-08 INTERNAL COMBUSTION ENGINE FOR VEHICLES AND CONTROL METHOD ATE209296T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT95TO000682A IT1280907B1 (en) 1995-08-11 1995-08-11 ENDOTHERMAL ENGINE FOR A VEHICLE AND RELATED CONTROL METHOD

Publications (1)

Publication Number Publication Date
ATE209296T1 true ATE209296T1 (en) 2001-12-15

Family

ID=11413789

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96112814T ATE209296T1 (en) 1995-08-11 1996-08-08 INTERNAL COMBUSTION ENGINE FOR VEHICLES AND CONTROL METHOD

Country Status (5)

Country Link
EP (1) EP0791729B1 (en)
AT (1) ATE209296T1 (en)
DE (1) DE69617196T2 (en)
ES (1) ES2168418T3 (en)
IT (1) IT1280907B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007019879A1 (en) * 2005-08-18 2007-02-22 Renault Trucks Control method for the intake and exhaust valves of an engine and internal combustion engine comprising such valves
FR2900199B1 (en) * 2006-04-19 2008-06-27 Peugeot Citroen Automobiles Sa METHOD OF CREATING A NEGATIVE TORQUE BY AN INTERNAL COMBUSTION ENGINE AND ADJUSTING THE VALUE OF SAID TORQUE
FR2900200B1 (en) * 2006-04-19 2009-06-12 Peugeot Citroen Automobiles Sa METHOD OF CREATING A NEGATIVE TORQUE BY AN INTERNAL COMBUSTION ENGINE AND ADJUSTING THE VALUE OF SAID TORQUE
SE538553C2 (en) * 2014-10-15 2016-09-13 Freevalve Ab Internal combustion engine and method of engine braking of such an internal combustion engine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB307753A (en) * 1928-03-12 1930-06-11 Motorwagenfabrik Berna A.G.
DE577588C (en) * 1930-06-11 1933-06-01 Motorwagenfabrik Berna A G Brake control for four-stroke diesel vehicle engines
SE466320B (en) * 1989-02-15 1992-01-27 Volvo Ab PROCEDURES AND DEVICE FOR ENGINE BRAKING WITH A FIREWORKS ENGINE
DE4125831A1 (en) * 1991-08-03 1992-10-15 Daimler Benz Ag IC engine brake - has cylinder venting valve and solenoid driven valve with spring closure

Also Published As

Publication number Publication date
EP0791729B1 (en) 2001-11-21
ITTO950682A0 (en) 1995-08-11
EP0791729A1 (en) 1997-08-27
DE69617196T2 (en) 2002-07-18
ITTO950682A1 (en) 1997-02-11
IT1280907B1 (en) 1998-02-11
DE69617196D1 (en) 2002-01-03
ES2168418T3 (en) 2002-06-16

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEFA Change of the company name