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JP56107957 |
PURPOSE: To fully perform the mixing of fuel with secondary air, decrease injection speed of the fuel and prevent the fuel from adhering to a facing wall side, by providing an air chamber in the periphery of a porous member press closely...
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JP56106039 |
PURPOSE: To control the air-fuel ratio to be substantially around a target air-fuel ratio by controlling a solenoid valve which opens and closes an air introduction passage and a fuel flow control valve which is provided in parallel with...
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JP56104134 |
PURPOSE: To appropriately control air-fuel ratio at idling by controlling a rate of by-pass air of a carburator by a number of rotation, and also by controlling a rate of slow air bleed by an exhaust sensor. CONSTITUTION: A by-pass air p...
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JP56101041 |
PURPOSE: To improve the fuel consumption of an internal combustion engine equipped with an air conditioner, by controlling the idling speed raising rate to be a necessary minimal value taking the operational condition of the engine, ambi...
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JP56096130 |
PURPOSE: To perform proper suction amount control by providing first and second bypaths having a deceleration valve opening during deceleration and means for increasing the suction amount during low speed operation onto a throttle chambe...
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JP56088947 |
PURPOSE: To eliminate the influence of the variation of negative pressure and properly control secondary air, by installing a negative pressure valve which regulates intake negative pressure, on the lower stream side of the solenoid valv...
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JP56088943 |
PURPOSE: To obtain proper value of air-fuel ratio in idling revolution by ON-OFF- controlling the bypass air passage and slow air breed of a carburetor by means of one solenoid valve which performs duty control according to the number of...
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JP56085539 |
PURPOSE: To make not to cause A/F fluctuation in spite of idle rotation control by performing O2 feedback control in addition to existing carburetor by-pass system. CONSTITUTION: From an O2 sensor H the signals are put out to be converte...
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JP56077538 |
PURPOSE: To minimize blow-bye of combustion gas, by drawing a large amount of air directly into a combustion chamber at the time of decelerating an engine, and cooling the combustion chamber by the air drawn into the combution chamber. C...
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JP56072240 |
PURPOSE: To prevent mixture from being overrich by a method wherein a controller slow auxiliary air bleed and an air bypath are connected on a suction system and bypath air is increased when the maximum value which can be controlled by t...
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JP56072237 |
PURPOSE: To reduce fuel consumption by a method wherein the 1st open-shut device having a weight is provided at the terminal of the exhaust system of the engine and the 2nd open-shut device for the secondary air which is opened by the 1s...
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JP56072241 |
PURPOSE: To correct the number of idle revolution by a method wherein a controllable slow auxiliary air bleed and an air bypath are connected on a suction system and there is provided a correction circuit for correcting these air flow ra...
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JP56072249 |
PURPOSE: To control each actuator by turns and to obtain proper idle revolution by a method wherein on an bypath air passage opened to a suction system there is provided a plurality of actuators controlled by the number of revolution. CO...
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JP56069440 |
PURPOSE: In a system which feedbacks an air in an auxiliary air bleed, to achieve an enriched air fuel mixture in order to properly idle an engine by reducing an pressure in the auxiliary air bleed when an r.p.m. suddenly drops. CONSTITU...
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JP56069438 |
PURPOSE: To regulate an air amount in a bypass based on an engine r.p.m. and an slow air bleed based on a signal of an exhaust sensor and constantly provide a proper idle running by means of a device which corrects an abruptly varied idl...
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JP56066444 |
PURPOSE: To secure the engine stability when the change in the engine rotation is relatively small and to improve the transient responsibility when the engine change is relatively large by detecting changes in the engine rotation and con...
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JP56064142 |
PURPOSE: To prevent rough idling at a low speed running by providing a characteristics that an increasing ratio of an air flow rate is kept low till a certain suction negative pressure, for a secondary air control valve used as an air fu...
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JP56064141 |
PURPOSE: To perform air fuel ratio control by controlling a secondary air controlling valve based on a signal of an O2 sensor provided in an exhaust system. CONSTITUTION: A secondary air carried into a suction manifold 2 from an air clea...
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JP56044429 |
PURPOSE: To simplify the control logics of a computer and improve response, by electrically regulating a control valve which controls the feed of air by-passsing a throttle valve to regulate the ratio of air to fuel and by mechanically r...
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JP56041443 |
PURPOSE: To prevent generation of abnormal vibrations of the engine resulting from the introduction of air at the time of the deceleration by providing an engine deceleration coping means which permits air to be introduced into an intake...
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JP56041444 |
PURPOSE: To regulate the amount of recirculation gas into a proper amount, in an exhaust gas recirculation in which negative pressure is introduced through two or more restrictors to the negative pressure chamber of a recirculation valve...
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JP56038540 |
PURPOSE: To properly control the idling speed of an engine by comparing the engine speed with a reference signal to control the bypassing secondary-air flow according to the difference. CONSTITUTION: The signal from an O2 sensor 20 arran...
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JP56034936 |
PURPOSE: To achieve a proper air fuel ratio during idle running by regulating a bypass air on the basis of a signal of a revolutional speed sensor of an engine, and a carbureter air bleed quantity on the basis of a signal of an O2 sensor...
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JP56029048 |
PURPOSE: To avoid the introduction of unnecessary secondary air by a system in which a negative pressure switch to control a control valve operating electromagnetically, provided in a secondary air inlet path, is closed only by an increa...
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JP56029045 |
PURPOSE: To perform optimum idle operation by a procedure in which an air amount correcting signal is sent forth according to operational conditions during the idle rotation period, a fuel increasing signal is applied by the air amount c...
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JP56029051 |
PURPOSE: To prevent anomalous combustion, etc., by properly introducing EGR gas or air into an air suction pipe when the output of any of a temperature sensor provided in an exhaust system and an anomalous combustion detector provided to...
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JP56023546 |
PURPOSE: To improve fuel consumption at deceleration by opening a control valve connected to an air feed pipe which opens into a suction port downstream a throttle valve, at a running a period where a suction negative pressure is great, ...
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JP56020749 |
PURPOSE: To reduce CO, HC, and NOx contained in exhaust gas by a procedure in which secondary air heated by exhaust gas is released into a carbureter and then gas supplied from the carbureter into an intake manifold is heated and expande...
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JP56018049 |
PURPOSE: To assure proper feedback control by means of corrective control based on differences resulting from comparison between actual measurements indicated by an O2 sensor and air-fuel ratio data on a flap map which is determined by t...
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JP56014849 |
PURPOSE: To stop recirculation of exhaust gas smoothly at the time of decelerating the vehicle and to thereby purify the exhaust gas discharged at the time of deceleration, by providing a valve for stopping recirculation of exhaust gas i...
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JP56009630 |
PURPOSE: To make the air-fuel ratio appropriate and to stabilize idling by conducting air into an inlet passage and slightly opening a throttle valve by a dash pot when the engine is hot. CONSTITUTION: A rod 41 of a dash pot 31 is arrang...
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JP56006038 |
PURPOSE: To prevent fluctuation of air-fuel ratio, by providing an auxiliary-air supply passage in the intake system, and controlling the passages such that supply of auxiliary air is continued or stopped in N- or D-range of transmission...
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JP55164775 |
PURPOSE: To accelerate atomization and improve its efficiency especially under low load in a device which injects fuel intermittently corresponding to the amount of suction air and the number of revolution by forming a chamber to mix fue...
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JP55164756 |
PURPOSE: To properly adjust an air-fuel ratio from starting to warming up of an engine by varying air quantity introduced to the suction pipe in accordance with a temperature of the engine. CONSTITUTION: A choke valve 14 is coupled with ...
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JP55164752 |
PURPOSE: To properly control a whole air-fuel ratio by providing control valves for each of the passage detouring around the carburetor venturi, the auxiliary air bleed communicated with the main nozzle, or the passage connecting the flo...
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JP55164753 |
PURPOSE: To prevent over thickening of an air-fuel ratio or run-on when a secondary-side throttle valve of a two-stage, two-barrel carburetor has caused a sealing fault, by shutting off the secondary-system fuel, or supplying air. CONSTI...
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JP55161950 |
PURPOSE: To hold adequate an exhaust return flow rate as a rotal unit of a device and improve the operationability of an engine, by providing a supply port of secondary air at the upstream of an EGR valve and open-closing a control valve...
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JP55161949 |
PURPOSE: To prevent an overrich mixture of air-fuel ratio when an engine is decelerated its speed, by conducting an intake air pressure to one chamber divisionally formed by a diaphragm in a mixture control valve device in line passing m...
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JP55156244 |
PURPOSE: To improve fuel characteristic and controllability of an internal combustion engine, by forcibly closing an exhaust return control valve through detecting fluctuation of suction pressure while a vehicle is geared to speed reduct...
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JP55156240 |
PURPOSE: To improve exhaust emission through uniform distribution of fuel mixture among cylinders and stabilize engine idling, by setting a passage bypassing a throttle valve for feeding auxiliary air. CONSTITUTION: A bypass passage 20 i...
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JP55156239 |
PURPOSE: To improve exhaust emission through uniform distribution of fuel mixture among cylinders and stabilize engine idling, by feeding part of suction air (auxiliary air) through bypassing a throttle valve. CONSTITUTION: Auxiliary air...
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JP55153847 |
PURPOSE: To maintain the catalyst effect without changing air-fuel ratio in the secondary air supply device provided with a ternary catalyst for the exhaust system. by a method wherein the secondary air supply to suction system is stoppe...
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JP55151149 |
PURPOSE: To attain stable operation of engine, by connecting a blow-by gas treating pipe to a portion between cylinder head and throttle barrel portion of carburetor where negative pressure is formed, and connecting a bleed pipe between ...
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JP55148938 |
PURPOSE: To provide optimal control of air fuel ratio at the time of deceleration and prevent fault such as engine stall, by using a bypass passage equipped with a computer-controlled valve for making a detour of a throttle valve of the ...
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JP55137335 |
PURPOSE: To make air-fuel ratio of mixed air supplied to the engine thin to decrease engine output by shutting off fuel or increasing suction air rate, or both means are employed in combination when the rotating speed exceeds the set val...
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JP55137338 |
PURPOSE: To prevent the outflow of fuel by introducing the open air into the downstream side of a slow passage through an air passage for removing the inner negative pressure in the downstream side when the slow passage is intercepted fr...
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JP55137336 |
PURPOSE: To accurately control fuel shutting-off, suction air rate increase, or rotating speed by combining both by converting rotating speed signal constituted of pulses of which intervals correspond to engine rotating speed into analog...
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JP55135724 |
PURPOSE: To establish the sensor suitable for the digital engine control system, by converting the pressure exerted to the strain gauge into a voltage and converting it into frequency at the voltage controlled oscillator and feeding back...
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JP55134744 |
PURPOSE: To form a theoretical air-fuel ratio and thus to improve a cleaning efficiency with ternary catalyst by supplying the air controlled by an exhaust gas sensor to an inlet passage near each intake valve of a multicylinder engine. ...
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JP55134721 |
PURPOSE: To attain smooth engine control at the time of starting engine, by switching to timer starting after a start demand is given, in case of switching task starting to timer starting, in an electronic engine controlling method in wh...
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