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JP58158335 |
PURPOSE: To keep the number of idling revolution at predetermined value by opening a bypass valve for a throttle valve and increasing the quantity of suction air when valve timing is inappropriate to idling on the idling of the engine. C...
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JP58152144 |
PURPOSE: To make it possible to adjust the number of revolutions of an engine without changing the air-fuel ratio by a method wherein the quantity of air circulating through a bleed air passage and that of air circulating through a throt...
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JP58152145 |
PURPOSE: To improve, and to prevent the wasteful consumption of, the rate of fuel consumption at the time of idling up the engine by a method wherein the idling r.p.m. of the engine is reduced while keeping the stability of idling. CONST...
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JP58144660 |
PURPOSE: To provide a simple intake apparatus for engine, which is capable of promoting atomization of fuel in a reliable manner, by injecting a part of recirculated intake air into injected fuel by providing an air-bleed passage, one en...
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JP58133466 |
PURPOSE: To reduce the exhaust gas emission and enhance the rate of fuel consumption by furnishing an atmosphere intake pipe, which is put in communication with a divergent pipe when the temperature exceeds a certain set value, and an ev...
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JP58133463 |
PURPOSE: To obtain a stable idling regardless of change in ambient pressure and the fit condition of engine, by interrupting control by an oxygen concentration sensor and blocking the conduit when the engine speed is below the preset val...
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JP58131349 |
PURPOSE: To enable to control the air-fuel ratio in a simple and smooth manner by use of a carburetor having a plurality of air passages in which a first flow control valve is provided in a second air passage disposed in parallel with a ...
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JP58131343 |
PURPOSE: To control the final air-fuel ratio of mixture supplied to a combustion chamber at an optimal value, by controlling the quantities of air and fuel supplied to an intake system in relation to the quantity of produced fuel gas dur...
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JP58126426 |
PURPOSE: To improve efficiency of combustion and fuel consumption, by providing a thermo valve which sensibly detects temperature of an engine to control openeing and closing and opening degree of a passage supplying air to the engine. C...
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JP58124052 |
PURPOSE: To permit the more correct and quick feedback control of the revolution number of idling by a method wherein the control by a speed reducing mode is effected so as to obtain a predetermined air volume when the revolving number o...
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JP58124051 |
PURPOSE: To decrease the number of times of the opening and closing motions of a control valve to improve the durability thereof by a method wherein the conduction of an auxiliary air volume control valve is interrupted to close the cont...
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JP58124053 |
PURPOSE: To prevent generation of engine stall by a method wherein the establishments of each conditions of the meshing of a change gear and the engagement of a clutch are detected when the engine is being transferred form an idling oper...
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JP58124054 |
PURPOSE: To permit the smooth engagement of a clutch by a method wherein the valve opening time of a control valve immediately after the opening of a throttle valve is set to the valve opening time in the loop of the feedback control imm...
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JP58122351 |
PURPOSE: To obtain sufficient output from an engine in the power range, by stopping supply of additional air, while the engine is in high-speed and high-load operation, and by supplying a rich mixture with smaller air-to-fuel ratio than ...
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JP58107812 |
PURPOSE: To increase the intake-gas charging efficiency and improve the combustion efficiency by forming the unevenness of the areas which are fitted to each other, on an upper surface of a piston and a lower surface of a cylinder- head,...
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JP58106156 |
PURPOSE: To augment density in an air-fuel mixture in augmenting its passage resistance inside an outer Venturi part, by rendering the outer Venturi part open to an atmospheric communicating passage, while interposingly setting a control...
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JP58104354 |
PURPOSE: In an internal-combustion engine where a negative pressure sensor is employed to detect the idling, to always achieve the suitable air-fuel ratio control, even when the erroneous idling is detected, by arranging a delay element ...
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JP58101245 |
PURPOSE: In a diaphragm of a device for adding the secondary air and the additive liquid to a mixed gas, to block the flow-in of unnecessary additive liquid even under high negative pressure by separating the operation of the diaphragm i...
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JP58101256 |
PURPOSE: In an engine equipped with a double type suction device, to promote the gasification and the spraying of a fuel, by supplying the secondary suction air only into a low load blow air path thereby quickening the flow speed of a mi...
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JP58098650 |
PURPOSE: To raise the combustion efficiency of an internal combustion engine and to purify the exhaust gas, by providing a reed valve that is disposed in a valve chamber formed in the main body of a ring in the manner that it can be move...
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JP58093949 |
PURPOSE: To prevent a fuel ratio from growing worse while making it possible to control an air-fuel ratio in the region where mixed gas which has been made rich is not required in the operation of an engine in the cold thereof by correct...
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JP58093950 |
PURPOSE: To reduce HC in exhaust gas while preventing mixed gas from being concentrated by utilizing a sub-air intake passage provided for improving a combustion efficiency at the time of low loading and supplying secondary intake air vi...
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JP58085349 |
PURPOSE: To make optimum control of air fuel ratio by feeding diluting air to a main system air bleed and to the lower course of a throttle valve when EGR is cut off. CONSTITUTION: The first air diviting passage 4 runs from a diluting ai...
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JP58082055 |
PURPOSE: To render the idling operation stable, by providing a valve 9 which can be shifted between a first position for estabilishing communication with a passage 5 and a second position for breaking communication with the passage 5 and...
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JP58082058 |
PURPOSE: To supplement an assist air to an engine while keeping an optimal diameter of a knife-edge nozzle capable of atomizing fuel efficiently, by providing a by-pass passage 81 connected at one end thereof to a downstream side of a fl...
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JP58082056 |
PURPOSE: To eliminate after-burn and to reduce oil consumption of an internal combustion engine, by providing, at an intermediate portion of a by-pass air passage 7, a means 8 for introducing air at the time of deceleration of the engine...
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JP58079652 |
PURPOSE: To introduce smoothly secondary air certainly without interfering a mixed gas each other by introducing the secondary air introduced into a cylinder in the same turning direction as the mixed gas above it. CONSTITUTION: An intak...
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JP58079653 |
PURPOSE: To obtain a cheap and simple not liable to generate a fault by cntrolling at least supply of additional liquid with an on-off valve operating in junction with a diaphragm which is operated by the inlet pipe negative presure in a...
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JP58079650 |
PURPOSE: To regulate fuel supply according to an amount of secondary air by introducing into the float chamber of a carburetor, the pressure corresponding to the secondary air pressure introduced through an inlet opened and closed by a p...
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JP58077153 |
PURPOSE: To improve control accuracy of air-fuel ratio in such a way that the time constant of an integrator which switches the air-fuel ratio control from its open loop control over to its feedback control is made smaller when changing ...
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JP58077134 |
PURPOSE: To improve saving of fuel consumption, by providing a branch pipe in the half way of a fuel intake pipe, providing one solenoid valve between the branch pipe and an outside air supply port, providing the other solenoid valve bet...
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JP58077154 |
PURPOSE: To improve responsiveness and accuracy of control in such a way that two air rate control valves to control the intake air rate are juxtaposed, and the intake air rate is controlled by the total compensating rate of the both con...
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JP58072662 |
PURPOSE: To prevent a nonreturn valve being damaged by burned gas blown back via a secondary-air introduction port by providing a chamber extended forward via the nonreturn valve and facing the chamber almost tangentially on the outside ...
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JP58072663 |
PURPOSE: To increase the effect of engine braking by introducing open air into a catalyzer converter from a combustion chamber via an exhaust passage for working as a cooling air and preventing the converter from rising of temperature ap...
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JP58070044 |
PURPOSE: To improve the stability of an engine by setting the maximum operating current and the minimum operating current of an electric air quantity controlling valve in accordance with the load of the engine, in the titled air-fuel rat...
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JP58070043 |
PURPOSE: To reduce the variation in the air-fuel ratio and improve the stability of an engine by varying the maximum quantity of introduced air of an electric air quantity controlling valve, in the titled air-fuel ratio controlling devic...
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JP58065946 |
PURPOSE: To provide mixture suited for respective running conditions while improving fuel consumption by forming a helical type intake port and supplying lean mixture in idling, mixture with theoretical air fuel ratio in low load and ric...
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JP58065961 |
PURPOSE: To accelerate atomization by forming a space of the large capacity whose inner wall is formed of the smooth curved surface towards the direction of air stream and allowing an eddy current to be generated in the outside air which...
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JP58065949 |
PURPOSE: To promote atomization of fuel for stabilizing revolution of an engine in idling by permitting the upstream end of a throttle valve bypassing path of the engine provided upstream of a throttle valve with a fuel injection nozzle ...
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JP58059315 |
PURPOSE: To improve drivability and fuel consumption, by providing an exhaust port of a secondary air supplying path, which is provided with a secondary air control valve that is operated in response to the output of an ECU, at an fuel a...
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JP58057060 |
PURPOSE: To perform the switching of the air-fuel ratio rapidly and to improve the acceleration responsiveness by forming an air introduction passage bypassing a venturi section and a throttle valve and by providing a closing valve opene...
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JP58041255 |
PURPOSE: To enable to effect the ideal introduction of suction air in accordance with wide operating conditions by a method wherein the dual type air suction device is provided with an auxiliary air path in addition to air suction paths ...
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JP58038363 |
PURPOSE: To simplify the structure around an air cleaner by a method wherein a temperature operating valve for operating the vacuum motor of a suction air temperature regulating device and the idle compensator are constituted integrally....
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JP58038362 |
PURPOSE: To simplify the structure around an air cleaner by a method wherein a temperature operating valve for operating the vacuum motor of a suction air temperature regulating device and the idle compensator are constituted integrally....
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JP58032958 |
PURPOSE: To prevent the accidental fire caused by over-rich fuel at deceleration by providing a fuel injection valve on the upper stream of a branch part of a suction pipe for supplying air in accordance with the amount of fuel stagnatin...
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JP58030428 |
PURPOSE: To obtain an air flow in proportion to valve opening area even at deceleration, in an air controller of an automobile, by providing a small hole to a cylindrical core in a reduction gear. CONSTITUTION: A main passage, provided w...
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JP58030460 |
PURPOSE: To promote the atomization of fuel by dashing a high-speed jet stream to the fuel. CONSTITUTION: The air conducted through an air cleaner is compressed by a pump 24, and controlled at a fixed level in its delivery pressure by a ...
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JP58020922 |
PURPOSE: To prevent a fuel-air mixture from flowing back into the atmosphere and accelerate the atomization of fuel under agitation, by a method wherein a rotary body is provided on the downstream side of a supercharger in an auxiliary i...
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JP58020921 |
PURPOSE: To reduce the loss of supercharging energy, by a method wherein a timing valve for opening and closing an auxiliary intake passage is provided in a ventilating passage which communicates with an atmospheric-pressure part of an i...
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JP58018517 |
PURPOSE: To improve the efficiency of combustion, by providing an air injection port upstream to an intake valve and supplying pressurized air from a pump to inject the air through the port in connection with the opening and closing of t...
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