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JPS61145847U |
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JPS6129954Y2 |
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JPS61142150U |
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JPS61132151U |
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JPS6133982B2 |
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JPS6132486B2 |
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JPS6188038U |
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JPS6123377B2 |
A feedback control system for controlling the rotational speed in idling operation of an internal combustion engine mounted on a vehicle by altering an intake air amount is combined with means for detecting a predetermined engine operati...
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JPS6117225Y2 |
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JPS6198944A |
PURPOSE: To prevent engine stall after variation of target idle opening due to stepping of accelerator pedal by controlling the idle opening of throttle valve for next idle operation during non-idle operation. CONSTITUTION: Under engine ...
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JPS6198945A |
PURPOSE: To achieve highly accurate idle opening control by correcting the width of applied pulse through learning control when pulse driving an electric actuator under turning off of idle switch and controlling the idle opening of throt...
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JPS6198943A |
PURPOSE: To facilitate restart of engine under high temperature by performing idle-up control of the idle opening of throttle valve particularly when the cooling water temperature is higher than specific level which is hard to cause star...
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JPS6196149A |
PURPOSE: To aim at smooth control over engine revolution, by forming a first idling output with an engine speed and a desired engine speed at a time when an idling state elapses as long as the specified time, while controlling the engine...
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JPS6196155A |
PURPOSE: To make an idling speed maintainable to a desired value in a stable manner, by making a priodic variation in battery voltage compensable, when a span of energizing time to an idling speed controlling solenoid-operated device is ...
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JPS6193252A |
PURPOSE: To control a stable idling speed, by controlling an engine speed for feedback with actuated variable of an auxiliary quantity control valve, while holding this actuated variable as the specified value in time of the specified. C...
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JPS6118209B2 |
A system for controlling the speed of a motor vehicle has a speed detector which produces a first electrical signal having a mean level relating to the actual speed of the vehicle and an alternating component whose amplitude is also rela...
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JPS6115226Y2 |
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JPS61500925A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6181546A |
PURPOSE: To stabilize control of the number of revolutions during idle running and to prevent the occurrence of control lag of the number of revolutions, by a method wherein, based on a correction value decided responding to the generati...
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JPS6181547A |
PURPOSE: To improve filling efficiency and to prevent worsening of emission due to failure in ignition, by a method wherein the initial value of an operation amount during the starting of feedback control is set at a specified time, and ...
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JPS6115258B2 |
Disclosed herewith an intake air flow rate control system for an internal combustion engine of an automotive vehicle, in which a pulse duty of a control pulse signal is determined corresponding to a reference engine speed and an actual e...
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JPS6115259B2 |
An intake air flow rate control method and system comprises a circuit for determining a basic control ratio corresponding to an engine or engine coolant temperature and a plurality of circuits for correcting the basic control ratio corre...
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JPS6111466Y2 |
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JPS6170150A |
PURPOSE: To have an engine make no quick change in revolution speed on as to give any intense shock to a car body by providing a opening changing means which changes opened degree of a controlling valve at the specified ratio by means of...
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JPS6166839A |
PURPOSE: To prevent an engine from damaging, by installing a fuel-cut revolving speed decreasing device, which gradually lowers a fuel-cut revolving speed down to the lower limit value, at a time when the engine is detected as being in a...
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JPS6166830A |
PURPOSE: To improve responsiveness to control, by closing a control valve at faster speed than an on-off speed in time of feedback control when the control valve inside a bypass circuit installed so as to bypass a throttle valve is large...
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JPS6166837A |
PURPOSE: To prevent an engine stop from occurring, by making the opening of a control valve inside a bypass passage installed so as to bypass a throttle valve, just before car stoppage in time of engine temperature being above the specif...
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JPS6165045A |
To provide for smooth operation of a fuel injected engine, typically a diesel engine, if the diesel engine is controlled to reduce speed and towards idling thereof, it is first determined if the actual speed (n) of the engine drops below...
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JPS6158943A |
PURPOSE: To have precision control of idling speed by furnishing a correction pulse width modifying means to modify the stored value in a correction pulse width memory, and thereby obtaining a specific rotational angle of the main shaft ...
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JPS619158Y2 |
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JPS6153430A |
PURPOSE: To increase a degree of exhaust resistance in time of idling and make combustion better as well as to reduce HC content in exhaust gases, by connecting an on-off switch at a full-close position of a throttle operating body and t...
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JPS6153418A |
PURPOSE: To provide always proper torque characteristics when the diameter of an intake pipe is controlled by an intake pipe diameter controlling valve, by controllably driving said valve according to optimum opening and closing period d...
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JPS6149145A |
PURPOSE: To promptly further stably focus a rotary speed to the target value, by actuating a control valve for an intake air quantity performing the action opening and closing in an opposite direction at a valve speed in accordance with ...
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JPS6149140A |
PURPOSE: To prevent air-fuel ratio from becoming overrich, by controlling a detected flow quantity of intake air to a preset value or less when an engine is in a speed lower than a reference speed. CONSTITUTION: A means (c) detects a spe...
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JPS6146440A |
PURPOSE: To permit the stable idling control with high precision by opening a throttle valve together with a control valve installed so as to make a detour around the throttle valve when the number of revolution in fast idling is over a ...
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JPS6136148U |
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JPS6146439A |
PURPOSE: To improve control precision by performing idling control by adjusting the opening degree of a throttle valve when the engine revolution speed is below a prescribed value in fast idling and performing idling control by a control...
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JPS6146437A |
PURPOSE: To permit the correct control for intake amount by applying the duty- ratio-controlled pulses onto a pulse motor for driving a throttle valve, corresponding to the aimed throttle-valve angle determined by the step-in amount of a...
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JPS6143245A |
PURPOSE: To eliminate the necessity for an atmospheric pressure sensor and processing circuit in a control device and promote its cost down, by comparing an air-fuel ratio study correction quantity, obtained from an air-fuel ratio closed...
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JPS6143243A |
PURPOSE: To form a device in a small size and promote its cost down, by changing a pulse duration time of a throttle control signal, which an arithmetic circuit outputs to an intake air quantity control valve driving circuit, and actuati...
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JPS6132556U |
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JPS614978B2 |
A valve system for regulating the idling speed of Otto engines, particularly automobile engines, by controlling the amount of air on an outlet side with an electromechanical setting member which comprises a valve element which limits the...
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JPS6128733A |
PURPOSE: To prevent sudden decreases in the number of revolutions of an engine and stop of an engine, by a method wherein the one of an amount of air sucked and the fuel injecting time of a fuel injection valve is maintained at a specifi...
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JPS6119948A |
PURPOSE: To prevent drop of engine rotational speed or stall at transition of an increase in load, by increasing a target air amount for a predetermined time according to the engine rotational speed when racing is stopped and load is add...
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JPS6112914U |
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JPS6110927U |
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JPS6111438A |
PURPOSE: To improve a car from exhaust emission and shock by providing a revolution variation detecting means of engine, an output controlling means to control a solenoid injection valve, and an added time setting means to compensate add...
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JPS611446Y2 |
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JPS611846A |
PURPOSE: To reduce fuel consumption in the idle-up zone by controlling firstly the idle opening corresponding to the load condition of the vehicle, and secondly the fuel consumption to increase or decrease in accordance with the preset t...
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JPS60195942U |
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