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Patent Searching and Data


Matches 751 - 800 out of 12,252

Document Document Title
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 ...  
WO/1995/010700A1
An automatic control system is shown to vary the mixture of fuel-to-air in a conventional internal combustion engine to minimize resulting pollutants and maximize engine efficiency and performance. The system senses manifold vacuum (144)...  
WO/1995/002118A1
A control device in an internal combustion engine, interlocking with a device to generate swirls in a combustion chamber of the internal combustion engine by allowing bypass paths bypassing a throttle valve which adjusts taken-in air flo...  
WO/1994/013949A1
An electronic timing system for producing precise timing control signals to the fuel injectors and ignition coils of a an internal combustion engine. The system includes means (10) for generating an engine cycle reference signal based on...  
WO/1994/011628A1
A fuel controlling device for an engine with a cylinder idling function comprising valve operation switching means (KL, KH) capable of selectively switching at least one of intake and exhaust valves from an operating state to a non-opera...  
WO/1994/000679A1
The invention relates to a process for controlling the operating cycle of an internal combustion piston engine and an engine (1) for carrying out said process. The engine has an intake system (5), an exhaust system (6) and valves in each...  
WO/1993/022550A1
An idling revolution controlling method for regulating the volume of intake air supplied to an internal combustion engine at an idle so as to change the number of revolutions of the engine to a target one, wherein a value for the stroke ...  
WO/1993/020345A1
A control system (140) for an internal combustion engine (100) having a plurality of cylinders (C1-Cn) and a rotatable crankshaft (110). Each cylinder (C1-Cn) has an electronically actuatable intake valve, exhaust valve (120, 125) and fu...  
WO/1993/016278A1
A method of controlling the mass of air and fuel delivered to an internal combustion engine per cylinder per cycle by first determining the required fuel per cycle for the existing engine operating conditions, and then setting the air su...  
WO/1993/008384A2
An air-assisted fuel injection system controls the supply of compressed air to the fuel injectors (8) according to the operating status of internal combustion engine (1). For cold start operation, compressed air is supplied continuously ...  
WO/1993/003268A1
A method of controlling an engine for controlling a valve drive mechanism (1) and a fuel injection device (15) by use of an electronic control device (25) during a transition between a shutdown state and a non-shutdown state of a variabl...  
WO/1992/014919A1
A system (100) for controlling operational modes of an engine (102) including valve and injection events, in which the engine (102) comprises a plurality of cylinders (104) having an intake and exhaust valve (220, 222), an injector (224)...  
WO/1992/011452A2
An electronic control circuit for a combustion engine essentially has an electronic control unit, an electronic program memory, an absolute value angle transmitter, an engine-stopped recognition circuit, a firing order control circuit an...  
WO/1992/009449A1
In a process for controlling the torque of an internal combustion engine, an automatic gear system driven by the internal combustion engine has a gear control device (1) and the internal combustion engine has a control device which contr...  
WO/1992/008045A1
The proposal is for a fuel metering system for an internal combustion engine with a throttle flap in the air intake pipe, a controllable by-pass on the throttle flap and a signal processing unit to form a fuel metering signal based at le...  
WO/1991/010064A1
In the subject invention an electronic control unit (12) is used to control the air/fuel ratio in an engine combustion chamber (46) in response to sensed engine parameters. More particularly, a magneto interface (106) produces an ignitio...  
WO/1991/004401A1
In a process for adjusting the quantities of air and fuel in a multi-cylinder internal combustion engine with individual injection for each cylinder as far as possible, the quantity of fuel for each injection cycle is calculated taking a...  
WO/1990/012208A1
The invention concerns a process for controlling engine knock in an internal-combustion engine, in which, when a cylinder knocks, the ignition point is retarded and subsequently reset to the original value. With turbocharged engines, it ...  
WO/1990/008889A1
An output controller of an internal combustion engine of this invention determines a target torque of a driving shaft in an automobile based on a step-in stroke of an acceleration pedal, determines the difference between this target torq...  
WO/1990/004093A1
A device for recognizing spark failures in an internal combustion engine has a sensor (15) for measuring the exhaust gas pressure and means (16, 17, 18) for recording the measurement value of the sensor during each cycle. Each exhaust ga...  
WO/1990/000988A1
A drive-train slippage control system is described in which the control is exercised solely through the temporary fuel starvation and/or the interruption or retarding of the ignition of individual cylinders. A shift in the throttle valve...  
WO/1989/012738A1
A valve assembly (10) is disclosed for use in a fuel injection system of an internal combustion engine, for injecting fuel into engine cylinder or intake manifold. The valve assembly includes a valve having an electromechanical actuator ...  
WO/1989/009324A1
A reciprocating piston internal combustion engine (1) with means for controlling the output, comprises at least one working cylinder the head of which is connected to at least one electronically controlled intake valve (3) for air or mix...  
WO/1989/000241A1
In a multicylinder internal combustion engine, in particular an Otto engine, with exhaust return system (24), the fuel requirements are reduced by introducing the exhaust return into the fuel/air mixture through a turbulence nozzle (28) ...  
WO/1988/002069A1
Manual switching of the carburettor enables a change-over from a characteristic mixture for lambda = 1 (three-way catalyst and lambda probe) with unleaded fuel, to a characteristic field of the mixture for lambda =/ 1. Furthermore, manua...  
WO/1987/005967A1
In a process and digital control unit for determining, controlling and/or adjusting pulse-width modulated operating-value signals, a timer design is proposed which, while leaving unchanged the two existing 16-bit timers (8O51-chip proces...  
WO/1987/004219A1
A system for use with an internal combustion engine which reduces, or eliminates, engine knock and attendant engine damage. An audio transducer (10) is placed on an engine cylinder to convert audio signals occuring within the combustion ...  
WO/1986/004645A1
The disclosed device is used in systems for measuring the fuel with exhaust gas recycling and which are controlled by the pressure and by the number of revolutions of the internal combustion machine. In order to eliminate the influence o...  
WO/1984/003911A1
A difference between a desired rate-of-change (300, 304, 312) and a measured actual rate-of-change in engine speed is used to correspondingly change an engine control (36), for example, a fuel control rack (54) in a diesel engine fuel pu...  
JP2024048280A
The present invention provides an engine control device that can optimize ignition timing even when the number of injection stages is increased depending on the state of the engine. [Solution] A control system of an engine control device...  
JP2024047346A
An object of the present invention is to appropriately set an ignition timing correction amount in an internal combustion engine equipped with a valve characteristic variable mechanism, a supercharger, and a wastegate valve. An ignition ...  
JP2024042277A
An object of the present invention is to eliminate piston hitting noise while suppressing a decrease in engine thermal efficiency. An engine control device includes a vibration sensor that detects engine vibration, and a control system t...  
JP7457616B2
An EGR device for a vehicle includes a valve driver, a pressure comparison unit, a freeze determination unit, and an EGR controller. The valve driver drives an EGR valve to open, when fuel cut has been continued for a predetermined time ...  
JP7454073B2
This crank angle sensor control device comprises: a buffer unit that stores signal information of a prescribed period of a crank angle sensor which detects signal teeth formed in a crank plate; and an output processing unit that, when a ...  
JP7452093B2
A normal control unit performs a normal control to cause an injection apparatus to perform predetermined normal injection and subsequently cause an ignition plug to perform ignition. In a delay region in a combustion chamber, propagation...  
JP2024037462A
An object of the present invention is to prevent a blow-by gas path to a breather of an engine from freezing and making it difficult to start the engine. [Solution] A breather 3 that prevents the internal pressure of blow-by gas from inc...  
JP7452500B2
When an amount of particulate matters (PM) collected by a gasoline particulate filter (GPF) increases, a control processing unit (CPU) of an engine electronic control unit (ENG ECU) stops combustion control of some cylinders and executes...  
JP7450858B2
To provide a vehicle drive system which prevents a driver from getting a feeling of strangeness by avoiding different vehicle posture control from being executed for identical travel state of a vehicle.A vehicle drive control system comp...  
JP2024036011A
An object of the present invention is to appropriately control the opening degree of an exhaust throttle valve. [Solution] The exhaust purification device includes a throttle valve installed in a path through which exhaust gas discharged...  
JP7449890B2
A supercharger abnormality determination device (24) for determining an abnormal state of a supercharger, the supercharger abnormality determination device comprising: a supercharger rotational speed acquisition unit (28) configured to a...  
JP7448892B2
To effectively avoid occurrence of abnormal sound or vibration due to combustion instability of a fuel at the time of start-up of an internal combustion engine.Provided is a control device that controls an internal combustion engine and ...  
JP2024034021A
An object of the present invention is to provide a device that can reliably reduce the pressure in a common rail in a configuration using a normally closed type pressure reducing valve even when an abnormality occurs in a drive IC or the...  
JP7449067B2
To provide a method for detecting water in fuel.Fuel injection devices (2, 3) are configured to inject fuel into a combustion chamber (4) of an internal combustion engine (1). Water contained in the fuel affects an opening delay time and...  
JP7449412B2
The present invention relates to a method and device for controlling an internal combustion engine configured to burn fuel including one or more fuel components. A sensor (15) measures at least two physical fuel parameters of fuel to be ...  
JP7449219B2
To lighten an operation load of execution of time synchronization processing and rotation synchronization processing on a controller for an internal combustion engine.An electronic controller 240 for an internal combustion engine compris...  
JP7448461B2
To suppress influence due to the individual difference of response delay characteristics of a fuel injection valve, in an internal combustion engine that is weakly stratified by main injection and a small amount of stratification injecti...  
JP7447750B2
To improve controllability of a throttle opening of a supercharged engine.A maximum supercharging region upstream pressure PMC, a maximum natural intake region load factor KMN, and a maximum supercharging region load factor KMC are calcu...  
JP2024029874A
[Problem] To suppress the occurrence of backfire during supercharging. [Solution] In an internal combustion engine 10 that includes a cylinder 11 in which a mixture of gaseous fuel and intake air is combusted, an intake passage 12 connec...  

Matches 751 - 800 out of 12,252