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WO/2000/006878A1 |
A fuel control system (16) responsive to a power controller (28) and controlling a fuel delivery system (18). The fuel control system includes a control arm (30) connected both to the power controller and the fuel delivery system, a posi...
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WO/2000/003888A1 |
A linkage between an engine control (114) and vehicle controls, such as a transmission gear selector (100) and/or axle speed selector when the vehicle has a two-speed axle, providing input to the engine control that is additional to engi...
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WO/1999/064265A1 |
The invention relates to a method for cruise control of an automotive vehicle, including: determination of a target value (v¿tar?) stating a desired velocity of the vehicle, determination of an actual value (v¿act?) stating the current...
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WO/1999/049194A2 |
The invention relates to an internal combustion engine (1), especially for a motor vehicle. The internal combustion engine (1) is provided with an injection valve (8) by means of which fuel can be injected directly into a combustion cham...
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WO/1999/044854A1 |
A method and apparatus for controlling engine speed during power take-off (PTO) operation. A technique is disclosed which enables accelerator pedal over-ride of PTO operation, wherein PTO operation is resumed when the accelerator pedal i...
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WO/1999/045259A2 |
A fuel system includes a pair of electronically controllable high pressure fuel pumps (22) operable to supply high pressure fuel from a lower pressure fuel source to a high pressure fuel collection chamber (34) having a pressure sensor (...
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WO/1999/045255A2 |
In one embodiment of the present invention an apparatus (30) for controlling one or more engines (32) by synchronizing the functions of two or more electronic control modules (70, 72, 74) includes a master electronic control module (70),...
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WO/1999/045256A1 |
A method for transitioning between a first operating mode of a dual fuel engine (12) and a second operating mode of the dual fuel engine includes establishing a final liquid fuel amount desired to be delivered to the engine upon completi...
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WO/1999/026804A1 |
In one aspect of the present invention, a method for determining a fuel command for an engine (110) having a cruise control system (106) is disclosed. The method includes the steps of determining a desired engine speed, determining an ac...
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WO/1999/023379A1 |
The invention relates to a method and a device for controlling a drive unit of a vehicle. A maximum allowable moment is predetermined and if this maximum allowable moment is exceeded, the moment of the drive unit is reduced. The maximum ...
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WO/1999/018341A1 |
The present invention is adapted to provide a method for dynamically determining optimal governor dynamics, i.e., gains, for a fuel control system supplying fuel to an engine (110). The method determines a mode of the engine (110), then ...
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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...
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WO/1999/006238A1 |
The invention concerns a method for controlling an internal combustion engine (2) provided on a vehicle (1) and co-operating with a throttle hand lever (4) and an accelerator pedal (5), whereby the amount of fuel is predetermined. The in...
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WO/1998/034022A1 |
The present invention concerns a propulsion system, especially automotive, comprising an internal combustion engine (1), at least one electrically driven machine (3) capable of impelling a torque to said engine (1), and a control unit (2...
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WO/1998/031926A1 |
A controller of an engine which enables speedy work even under a heavy load and enables a strong work at the critical moment. The controller has a control means (30) which outputs commands to a fuel injection pump (2), relief control mea...
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WO/1997/037118A1 |
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...
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WO/1997/032121A1 |
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...
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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. ...
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WO/1997/012135A1 |
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...
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WO/1997/011265A1 |
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...
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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...
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WO/1996/032578A1 |
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...
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WO/1996/028651A1 |
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...
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WO/1996/020337A1 |
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...
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WO/1996/004473A1 |
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 ...
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WO/1995/028762A1 |
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...
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WO/1995/027847A1 |
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...
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WO/1995/010699A1 |
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...
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WO/1995/006810A1 |
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 ...
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WO/1995/006200A1 |
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...
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WO/1995/006199A1 |
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...
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WO/1995/002121A1 |
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 ...
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WO/1994/028295A1 |
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...
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WO/1994/024429A1 |
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...
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WO/1994/013946A1 |
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...
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WO/1994/007706A1 |
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...
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WO/1993/007022A1 |
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...
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WO/1993/007019A1 |
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...
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WO/1993/007020A1 |
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...
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WO/1992/020914A1 |
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...
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WO/1992/006287A1 |
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...
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WO/1991/010057A1 |
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...
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WO/1991/007580A1 |
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...
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WO/1991/004399A1 |
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...
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WO/1991/003635A1 |
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...
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WO/1991/001441A1 |
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...
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WO/1990/007052A1 |
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 ...
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WO/1990/002258A1 |
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 ...
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WO/1990/001630A1 |
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)....
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WO/1990/001114A1 |
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...
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