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Patent Searching and Data


Matches 151 - 200 out of 1,734

Document Document Title
WO/1997/037118
The low cost speed governor is used to provide stable device speed over a wide range of selected reference speeds and loads. The speed governor includes a means for changing the pulse width of a pulsed reference signal as a function of t...  
WO/1997/032121
The engine governor outputs a pulse width modulated actuator control signal at two or more frequencies to improve actuator performance. In one embodiment, the control signal has a frequency of about 60 to 70 hertz when the throttle is ne...  
WO/1997/021029
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/1997/012135
A method for determining an optimal air-fuel mixture ratio in an internal combustion engine is disclosed. The engine comprises a speed controller for maintaining a constant engine speed. The method comprises feeding an initial air-fuel m...  
WO/1997/011265
A control device for properly controlling the switching of the rotation speed of an engine from a designated engine rotation speed to an energy-saving lower engine rotation speed when the operation of a hydraulic working machine is at ha...  
WO/1997/009525
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/1996/032578
A method for controlling a generator for a vehicle in which the correction amount of a first ISC valve opening (ISCPI) is obtained based on a deviation between the engine revolution speed of an internal combustion engine and a target eng...  
WO/1996/028651
A prime mover rotational speed control device that can not only improve the reliability and stability of a rotational speed control but also remarkably reduce power consumption by imparting an electric motor such as a stepping motor a me...  
WO/1996/020337
A process is disclosed for improving the design load behaviour of an internal combustion engine operating in a substantially stationary mode and supercharged by an exhaust gas turbocharger. By temporarily regulating the starting point of...  
WO/1996/004473
The present invention relates to a method for controlling the good operation of an air-assisted injector (17) during the start-up phase of an internal combustion engine (11). Said injector is adapted to deliver a predetermined amount of ...  
WO/1995/028762
The low cost speed governor for internal combustion engines may be completely powered by the ignition coil. The governor receives a periodic signal from the primary ignition winding (W1) that is indicative of the actual speed of the engi...  
WO/1995/027847
An automatic engine speed hold control system (430) allows an engine (420) to quickly achieve a commanded engine speed and thereafter maintain a constant commanded engine speed regardless of changes in engine loading. An engine speed err...  
WO/1995/010699
It is judged whether or not an absolute value of a deviation 'DELTA'I between a loaded current value Ifbon at the time of starting the feedback of an idle speed and a loaded current value Iel is greater than a predetermined threshold val...  
WO/1995/006810
Method for correcting the control of an actuator acting on the engine speed as a function of the error E=Nc-N between a set speed (Nc) and the current speed (N), and of the time derivative (E') of said error. A correction ('DELTA'u) for ...  
WO/1995/006200
A method for comprehensive integrated control of a compression-ignition internal combustion engine having integral fuel pump-injectors utilizing an electronic control unit (20) is disclosed. The control strategy integrates various functi...  
WO/1995/006199
A method and a device for controlling the fuel and/or air supply to an internal combustion engine (1), in the fuel supply section (2) thereof, such as the carburettor or the fuel-injection system, such that the mixture ratio, the air/fue...  
WO/1995/002121
A device for correcting the opening of an additional air control valve (13) depending on the error E = Nc - N between a set speed (Nc) and the current speed (N), and on the time derivative (E') of said error. The correction is dependent ...  
WO/1994/028295
An intake air volume control device preferably for use in controlling the idle speed of an engine such as for an automobile which enables the unique alteration of a load compensating intake air volume without being affected by the engine...  
WO/1994/024429
The occurrence of a predetermined engine condition (time t) considered to require the engine to switch to idling speed is monitored, and when such a condition arises, the set speed of the engine is forced down according to a predetermine...  
WO/1994/013946
An engine control unit (ECU) in which each of the following engine operating parameters are detected: engine speed (60), throttle position (62), manifold absolute pressure (MAP) (64), gas pressure (66), gas temperature (68), battery volt...  
WO/1994/007706
A control system (30) is provided for a vehicle (10) regulating engine speed during shifts so as to reduce driveline torque and shift shock. The control system (30) includes separate microprocessor based engine and transmission controlle...  
WO/1993/007019
The drive system for a motor vehicle comprises an internal combustion engine (1) with at least one controlling element (29) affecting its power and/or torque and/or rotation speed, controllable by a motor element (27), an electric genera...  
WO/1993/007022
The drive arrangement for a motor vehicle comprises an internal combustion engine (1) with at least one controlling element (29) affecting its power and/or torque and/or rotation speed, controllable by a motor element (27), an electric g...  
WO/1993/007020
A private car or commercial vehicle contains a unit consisting of an internal combustion engine (4) and a generator (6) which powers electric motors (12, 16) coupled to the driving wheels (14, 18) via a power-distribution power electroni...  
WO/1992/020914
An apparatus for controlling the rotational speed of an engine (30) for an industrial vehicle which includes controllers (50, 70, 85, 95) each incorporating therein a memory (72), and is configured with a first system in which, when a hi...  
WO/1992/006287
A rotary speed control system for controlling the rotary speed of an engine (1) through remote control of the turning of a governor lever (3). This rotary speed control system comprises: a stepping motor (6) for turning the governor leve...  
WO/1991/010057
A device for controlling the engine speed in idling of an internal combustion engine to which so-called ''modern control theory'' is applied, and is directed to improve drastically the converging speed to a target number of revolution. T...  
WO/1991/007580
In order to maintain or even increase a constant speed, even at high on-load torques, a first embodiment comprises, in addition to the existing mechanical governor (6), a governor (7) which replaces the conventional adjusting screw for b...  
WO/1991/004399
The proposal is for a process for controlling the air supply to an internal combustion engine of a motor vehicle, especially when idling, in which the air supply adjuster has a mechanical stop and the movement of the adjuster towards the...  
WO/1991/003635
A carburettor metering system is provided for use in a fuel combustion engine having loads ranging from part load to full load. The metering system comprises a fuel wick chamber (58) for vaporising liquid fuel into an air flow at a relat...  
WO/1991/001441
A process prevents bucking in the power train of motor vehicles driven by an internal combustion engine. To this end, a device for limiting the quantity of fuel supplied to the combustion chambers of the internal combustion engine is con...  
WO/1990/007052
A device (14) for adapting the characteristic curve of an idling regulator has a release means (15) which authorizes adaptation only when the sign of a deviation in engine speed control (DELTAn) is the same as the sign of a deviation in ...  
WO/1990/002258
A device for regulating an operating parameter of an internal combustion engine is disclosed. During the transition from idle running state to running state, fuel dosing is influenced in order to limit the speed of rotation according to ...  
WO/1990/001630
This invention relates to a remote controller which outputs an electrical operation signal from an operation device (10) to the driving device (6) of a governor mechanism (2) of an engine (1) to remote-control the governor mechanism (2)....  
WO/1990/001114
In a method of checking an idling control system of an internal combustion engine for incorrect operation, the make function of the idling contact is tested. As soon as it is established that the contact should have been made, but in fac...  
WO/1989/011028
A vehicle speed control system comprises a vehicle speed controller (14) and an auxiliary engine speed controller (17) which keeps to the engine speed set by the first controller (14) and which controls the amount of fuel and/or air supp...  
WO/1989/009876
The regulating device described comprises an element (51) which senses the rotational speed of the injection pump shaft (1) and controls the pump rack (6). The movement of said rack is limited mechanically (61, 62, 63, 64, 65, 67), in a ...  
WO/1989/003078
A rotation speed regulator for a heat engine, in which a differential mechanism (4) is kinematically connected, through its input shaft (3), to a non-reversible electric motor (2), through its input shaft (5) - to the heat engine, and th...  
WO/1989/002524
A fuel dosing process and device for fuel engines are disclosed. The amount of fuel in the partial load range is derived from multidimensional characteristic diagrams, whereas in the full load range the amount of fuel is limited by means...  
WO/1988/010365
A system for adjusting the angle of the throttle valve in internal combustion engines makes it possible to adjust the idling stop for the throttle valve angle during idling and to detect any faults which arise. When the throttle valve to...  
WO/1988/008924
A method for regulating the rotation velocity of a heat engine consists in presetting a rotation velocity of the heat engine (7), generating, in conformity with that velocity, a signal for regulating the rotation velocity of an electric ...  
WO/1988/005568
A rotation speed regulator for a heat engine in which a one-way rotation electrical motor (2) is kinematically connected to the input shaft (3) of a differential mechanism (4), the other input shaft (5) of which is driven by the heat eng...  
WO/1988/000647
An apparatus for controlling the number of revolution of an internal combustion engine, of the type in which the suction rate is fed back to a target level, with memory provided, which is adapted to store and retain a feedback level duri...  
WO/1987/006200
A description is given of the use of the travelling speed adjusting device (10), in a vehicle provided with a travelling speed regulating system, as an operating element for other functions. For safety reasons the travelling speed adjust...  
WO/1987/002097
Feedback control of the rotational speed of an idling engine is performed with a good response and without overshooting, by controlling the time during which an actuator (12) is driven, to regulate the rotational speed of the engine in a...  
WO/1987/000886
An apparatus for controlling the idling speed of an internal-combustion engine comprises a throttle valve (8) which variably controls the quantity of air taken in by engine; an actuator (20) including an electric motor (21) which variabl...  
WO/1986/007116
A process for adjusting the idling speed of an internal combustion engine, in which the position of the throttle-valve in the inlet pipe of the engine is varied according to the speed of the engine and to a positioning signal which is ch...  
WO/1986/002407
A fuel control system in or for a compression ignition engine capable of operation on both gaseous and diesel fuels and having an injection pump (14) to deliver a discrete volume of diesel to the engine and a speed control (2), comprisin...  
WO/1986/000666
An engine control system (10) which includes engine idle speed control apparatus (27) which implements a closed loop idle speed control by varying the amount of air provided to the engine by an air bypass valve (28). The control system d...  
WO/1985/003106
Method and device for regulating the rotation speed of an internal combustion engine of which the idle filling regulation comprises a PID-regulation device (10). To make up for a rotation speed decrease respectively a sudden rise thereof...  

Matches 151 - 200 out of 1,734