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Patent Searching and Data


Matches 651 - 700 out of 16,366

Document Document Title
WO/2000/058616A1
An internal combustion engine mounted on a vehicle, wherein, when an auxiliary brake is switched from a non-operating state to an operating state, a fuel injection amount is increased gradually so as to switch a fuel injection amount to ...  
WO/2000/057045A1
The invention concerns a four-stroke gas engine with spark ignition equipped with a high pressure fuel feed system (3) for direct fuel injection into the combustion chamber of each cylinder of the engine, a powered throttle valve control...  
WO/2000/040847A1
An internal combustion engine comprises a plurality of cylinders to which electromechanically actuated gas exchange valves are assigned. After the actuation of at least one gas exchange valve (2, 3) of a cylinder (1) has been interrupted...  
WO/2000/028203A1
The invention is related to a method and a device for recirculation of a part of exhaust gases from an exhaust pipe (6, 9) of a diesel engine (1) to the inlet of the engine, the exhaust gases being diverted from the exhaust pipe (6, 9) a...  
WO/2000/028198A1
Four-stroke internal combustion engine with variable geometric compression ratio, electrically operated inlet valves and means for supplying a homogeneous fuel/air mixture to the engine cylinders. The inlet valves (9) and the compression...  
WO/2000/020743A1
The control system disconnects the throttle from direct connection with the accelerator pedal, which sets the power requirements or demand. The demand signal passes to a computer control or microprocessor which electronically controls th...  
WO/2000/012884A1
The invention relates to an internal combustion engine (1) comprising first cylinders (2-6) and at least one second cylinder (7) and to a method for operating the internal combustion engine (1). The second cylinder (7) serves as a dispen...  
WO1999042718A9
A premixed-charge compression-ignition engine and control system (10) is provided which effectively initiates combustion by compression-ignition and maintains stable combustion while achieving extremely low oxides of nitrogen emissions, ...  
WO/2000/011343A1
A method of regulating gas pressure, in particular excessive pressure, in a dual fluid injection system for an internal combustion engine having delivery injector(s). In this method, gas pressure is determined and if it is above a desire...  
WO/2000/011335A1
The invention relates to a method for reducing power-off reaction in automobiles by modifying the curve of engine torque. In order to convert the curve of engine torque between a lower initial torque value and an upper target torque valu...  
WO/2000/008328A1
To reduce the amounts of HC, NOx and other emissions from a direct injection engine when a catalyst is still in its unheated state, and to promote catalyst quick light-off operation by increasing the temperature of exhaust gases. The fue...  
WO/2000/008329A1
A catalyst light-off device for a direct injection engine comprises a temperature state identifier (31) for judging the temperature state of a catalyst (22) for converting exhaust gases, a fuel injection controller (33) for controlling f...  
WO/2000/003134A1
An internal combustion engine, wherein a fuel injection valve (6) and an ignition plug (7) are disposed in a combustion chamber (5), fuel is injected from the fuel injection valve (6) at the end of a compression stroke, the amount of soo...  
WO/1999/049196A1
The present invention relates to a method of operation for an internal combustion engine (1), and more precisely for a motor vehicle, in which a lean air-fuel mixture is supplied to the combustion chamber (4) during a first operation mod...  
WO/1999/042718A1
A premixed-charge compression-ignition engine and control system (10) is provided which effectively initiates combustion by compression-ignition and maintains stable combustion while achieving extremely low oxides of nitrogen emissions, ...  
WO/1999/040296A1
The present invention relates to a method for operating a four-stroke internal combustion engine in which a homogeneous and lean air-fuel mixture is burnt by compression ignition. According to this method, a controllable inlet member is ...  
WO1999001652A9
A system and method for controlling an exhaust gas recirculation system (10) on an electronically controlled, turbocharger (18) equipped internal combustion engine (12) having two or more actuating devices (84, 86). In the disclosed embo...  
WO/1999/013206A1
A lean burn auto-ignition internal combustion engine which has a combustion volume which includes two parts one entering into the other, the volume of the second part being variable by control means (34) which takes into account the vari...  
WO/1999/013207A1
The invention relates to a method and a device for controlling a drive unit of a vehicle. A nominal torque value or nominal power value is produced on the basis of a driver request and then used to control the drive unit. A maximum allow...  
WO/1999/001652A1
A system and method for controlling an exhaust gas recirculation system (10) on an electronically controlled, turbocharger (18) equipped internal combustion engine (12) having two or more actuating devices (84, 86). In the disclosed embo...  
WO/1998/046878A1
The invention relates to a method and device for regulating an internal combustion engine affecting at least the ignition angle and the air supply. The ignition angle and the air supply are regulated on the basis of torque values. The ig...  
WO/1998/031927A1
The invention concerns a device for controlling an internal combustion engine (41) with direct injection and controlled ignition, adapted for avoiding sudden torque vibrations when switching from a homogeneous mixture to a stratified mix...  
WO1998025015A3
The internal combustion engine can be selectably driven either with a homogenous mixture or a stratified charge. The use of one of these operational modes is determined by the load and torque as well as by the temperature of the coolant ...  
WO/1998/025015A2
The internal combustion engine can be selectably driven either with a homogenous mixture or a stratified charge. The use of one of these operational modes is determined by the load and torque as well as by the temperature of the coolant ...  
WO/1998/014696A1
An engine control unit and method of controlling the operation of a gas fuelled internal combustion engine of the kind having a gas injector for injecting gaseous fuel into each cylinder and an inlet manifold through which air flows into...  
WO/1998/009062A1
A controller of an in-cylinder spark ignition internal combustion engine switches a control mode in accordance with the engine operating condition between a compression stroke injection mode control under which the fuel is injected durin...  
WO/1998/007969A1
A two-stroke internal combustion engine includes a combustion chamber (25), a piston (21) operable to pump air unmixed with fuel into the combustion chamber, a fuel injector (31) for injecting fuel unmixed with air directly into the comb...  
WO/1998/005856A1
A control device for cylinder injection type spark-ignition internal combustion engines which includes a fuel injection valve (4) for injecting a fuel directly into a combustion chamber (5) such that when an internal combustion engine (1...  
WO/1998/001659A1
A method of controlling an internal combustion engine during a warm-up period thereof including controlling at least one operational parameter of the engine as a function of at least a certain measure of the energy delivered to the engin...  
WO/1998/001660A1
A method of controlling the fuelling rate for an internal combustion engine including: a) controlling the fuelling rate in a fuel led control mode whereby the fuelling rate is controlled as a function of the operator demand on the engine...  
WO/1997/049152A1
An internal combustion engine that burns fuel from a fuel source, and an engine including a block assembly with a piston cylinder, a combustion chamber connected to the piston cylinder, and an air/fuel mixing area that communicates with ...  
WO/1997/043531A1
The invention concerns a method and device for controlling a motor vehicle internal combustion engine, according to which a desired torque value is predetermined and divided into at least two desired values, which are used to adjust the ...  
WO/1997/021029A1
Proposed is a method and device for controlling an internal-combustion engine, the engine torque being calculated as a function of operation parameters, and/or a given reference torque being converted into the engine-control parameters. ...  
WO/1997/019262A1
An engine (1) has first and second cylinder groups (1a and 1b). The first cylinder group (1a) is connected to a three way (TW) catalyst (8a). The second group (1b) and the TW catalyst (8a) are connected, via an interconnecting duct (13) ...  
WO/1997/017532A1
An exhaust manifold (7) of an engine (1) is connected to a three way (TW) catalyst (8a), and the TW catalyst (8a) is connected to an NH3 adsorbing and oxidizing (NH3-AO) catalyst (10a). The engine (1) performs the lean and the rich engin...  
WO1997005379A3  
WO/1997/012138A1
A method of controlling the introduction of a fuel/gas mixture to a combustion chamber of an internal combustion engine by an injection means (29) comprising a fuel metering means (30) and a gas delivery injector (31) wherein, under cert...  
WO/1997/009525A1
A method and an apparatus for learning a control value at the time of an internal combustion engine idling while performing a feedback control to bring an engine rotating speed to a target rotating speed. During a predetermined period of...  
WO/1997/005372A1
In an electronic control system for an internal combustion engine, the controller cuts off ignition and/or injection when the will to stop is recognised and determines the position of the internal combustion engine even during the slow d...  
WO/1997/005379A2
A process for controlling the ignition in an internal combustion engine with a device for injecting fuel into a combustion chamber of said engine, in which a control signal for the injection process and a control signal for the ignition ...  
WO/1996/039573A1
A braking control for an engine permits the timing and duration of exhaust valve opening events to be accurately determined independent of engine events so that braking power can be precisely controlled. According to one embodiment, furt...  
WO/1996/021097A1
A spark ignition internal combustion engine is described for a motor vehicle having an intake system comprising: an intake manifold (20), a main throttle (28) for regulating the rate of flow of ambient air into the intake manifold, a byp...  
WO/1996/021100A1
The device described for measuring the load on a turbocharged internal-combustion engine makes a density-dependent correction to the secondary load signal determined from the throttle-valve angle and the engine rpm. The density-dependent...  
WO/1996/008645A1
A method for controlling a direct injection internal combustion engine (1) by measuring both the degree of actuation (PP) of an accelerator pedal (4) and the engine speed (N) to provide optimal engine tuning parameters (Ti; 'phi'i; All; ...  
WO/1995/033132A1
A method for controlling/regulating processes in motor vehicles is useful for example for controlling/regulating combustion processes, gear shifting processes or braking processes. The process uses a characteristic field. The characteris...  
WO/1995/031638A1
A method for comprehensive integrated control of an internal combustion engine, such as a compression-ignition engine, utilizing an electronic control module (20) is disclosed. The control strategy integrates various functions of engine ...  
WO/1995/030827A1
The invention relates to a control system for an internal combustion engine (100). The control system of the invention enriches the air/fuel mixture supplied to the engine (100) when a signal directly or indirectly giving the efficiency ...  
WO/1995/027846A1
An air-fuel ratio in each cylinder of an engine (11) is switched one after another from a stoichiometric mixture ratio to a lean air-fuel ratio at timing intervals, and an air bypass valve (43) is opened in parallel with this switching o...  
WO/1995/012062A1
A process and device are disclosed for controlling exhaust gas temperature in an internal combustion engine (10) with pinking regulation by modifying the air/fuel mixture supplied to the engine depending on retarded ignition adjustments ...  
WO/1995/011377A1
Disclosed is a method of controlling the mass of fuel delivered to an engine subject to a change in engine load demand comprising determining a rate of change of fuel required per cycle with time in response to the change in engine load ...  

Matches 651 - 700 out of 16,366