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JP08277749 |
PURPOSE: To keep the air-fuel ratio control range of mixed gas sent in an engine in accurate condition so as to prevent the deterioration of combustion of the engine, by automatically removing carbon, etc., adhering to the surface of the...
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JP08270477 |
PURPOSE: To make an exhaust pulsation control device compact, lightweight and inexpensive in the case of providing this exhaust pulsation control device for making the exhaust gas temperature the specified temperature corresponding to an...
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JP08261067 |
To provide a method and a device for accurately and assuredly adjusting an air/fuel ratio to a desirable level in a diaphragm carburetor for internal combustion engine. A diaphragm carburetor for internal combustion engine comprises a ch...
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JP08226353 |
PURPOSE: To form a fuel system as one system of simple constitution and to enable stable fuel supply at a proper air-fuel ratio. CONSTITUTION: In a controlled pressure chamber 13 controlled to negative pressure at which air compression d...
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JP08210186 |
PURPOSE: To simplify the structure and facilitate assembling in the case of using a pressing plate made of an elastic material for stopping the whirl of an adjusting valve for adjusting the air-fuel ratio. CONSTITUTION: A small-diameter ...
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JP08210188 |
PURPOSE: To open an opening of a throttle valve of a driven carburetor simultaneously with an opening of a throttle valve of a driving carburetor, and also surely fully open the same, and further to ensure the operation of an acceleratin...
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JP08210189 |
PURPOSE: To improve the responsiveness to the operating condition and accuracy, and simplify setting of a main jet by directly controlling a fuel flow in a main passage without increasing intake resistance. CONSTITUTION: A fuel control p...
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JP08177638 |
PURPOSE: To suppress decreasing an engine speed when applied a rapid load, by detecting an actual rotational speed of an engine, and supplying assist fuel to an intake route or a combustion chamber when a decreasing rate of this detectio...
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JP08177637 |
PURPOSE: To suppress decreasing an engine speed when applied a sudden load, by detecting a current value or an oil pressure value supplied to a load from a work machine, and supplying assist fuel to an intake route or a combustion chambe...
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JP08177639 |
PURPOSE: To provide a fuel supply device to a two-cycle engine whereby a supply amount of fuel to a combustion chamber can be quickly increased when desired to accelerate engine speed. CONSTITUTION: Fuel is supplied by a carburetor 9 to ...
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JP08170565 |
PURPOSE: To increase operating performance in rapid acceleration, high opening low speed operation, and slow acceleration. CONSTITUTION: A fuel control method for carburetor is provided with a duty control circuit 30 which opens a contro...
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JP08165956 |
PURPOSE: To automatically maintain an air-fuel ratio at a proper value by a method wherein an amount of a negative pressure in an intake passage to a float chamber in such a way that the more an altitude is increased, the more the openin...
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JP08158945 |
PURPOSE: To enable proper air-fuel ratio control to be always automatically achieved regardless of carburetor variations and changes with the lapse of time by correcting, on the basis of an average value of learned corrections, a control...
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JP08158946 |
PURPOSE: To enhance transient responsiveness to fluctuations in load and in engine speed by controlling an air bleed control valve on the basis of the amount of feedback control that is obtained by the addition of a basic controlled valu...
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JP08151959 |
PURPOSE: To prevent the occurrence of an overrich condition so as to prevent engine stalling, by increasing a supply amount of air by a prescribed amount, when an engine speed is decreased from a condition of exceeding a prescribed high ...
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JP08151958 |
PURPOSE: To prevent the occurrence of the trouble of engine stall or the like after starting on also the high ground, by carburetor specification set in an optimum condition on the flat ground. CONSTITUTION: In an automobile of mounting ...
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JP08144857 |
PURPOSE: To instantly supply fuel, namely gasoline, to an intake passage under any condition independently of the attitude of an engine. CONSTITUTION: A plurality of flow-in ports 22A of flow-in passages is opened to an orifice body comp...
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JP08144817 |
PURPOSE: To enhance operational performance of an engine and to improve fuel consumption by installing an O2-sensor in the midst of a sub-exhaust passage, which introduces burnt gas from a combustion chamber to the outside, and introduci...
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JP08144815 |
PURPOSE: To finely control an air-fuel ratio by enabling the use of a plurality of kinds of fuels, differing in calorific values and changing a bleed air control amount finely and stably in accordance with changes of calorific value in t...
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JP08144855 |
PURPOSE: To restrain a decrease in pressure difference utilized for the introduction of auxiliary air such as bleed air to reduce the turning of mixture into excessive richness in the case of increase in the air feed resistance of an int...
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JP08128340 |
PURPOSE: To lower a fuel temperature, and prevent overheat of a catalyst by changing opening of a throttle valve to opening set on the basis of a catalyst temperature from opening at fuel cut time when supply of fuel is resumed by stoppi...
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JP08128358 |
PURPOSE: To prevent overheat of a catalyst by arranging a power system in parallel to a main system, detecting opening of a throttle valve, and increasing a quantity of fuel so that the airfuel ratio exceeds the theoretical air-fuel rati...
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JP08114155 |
To supply a sufficient quantity of fuel without delay when a throttle valve is opened quickly. The carburetor comprises a member defining an air induction passage including a venturi, a member 51 disposed under the air induction passage ...
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JP08105356 |
PURPOSE: To inexpensively provide a constant vacuum type carburetor equipped with an automatic starter and an air cut valve device and to make the carburetor small in size. CONSTITUTION: A fitting flat area 90 is formed on one side of a ...
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JP08093562 |
PURPOSE: To eliminate knocking and breathing as well as to improve combustion efficiency by decreasing the area of a boundary layer in a passage for fluid such as fuel, air or mixture, and by optimizing the air fuel ratio. CONSTITUTION: ...
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JP2506534 |
PURPOSE: To reduce the height of an intake manifold by arranging a plurality of intake passages offset with respect to and parallel to the direction of a crankshaft and providing means for forming small outlet openings in the direction p...
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JP08082249 |
PURPOSE: To supply an internal combustion engine with a proper mixture adapted to external operating conditions, by connecting an inflow channel interposed with a control valve to a fuel channel opening communicated with a fuel-filled co...
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JP08074667 |
PURPOSE: To enhance the exhaust performance at idle of an engine having an electronically controlled carburetor. CONSTITUTION: A detector 10 for the opening of a throttle valve 11 and an engine speed detector 12 are operated in conjuncti...
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JP08074669 |
PURPOSE: To provide a diaphragm type downdraft carburetor which can operate under sudden acceleration just after restart after an engine stop. CONSTITUTION: A main fuel supply line 30 is open at one end to a fuel regulator chamber 7 belo...
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JP08074666 |
PURPOSE: To enable keeping engine speed from dropping at the application of a sudden load by supplying auxiliary fuel to at least either an intake manifold or a combustion chamber for a predetermined time if the application of the sudden...
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JP2501079 |
PURPOSE: To prevent rattle and stop of an engine during rapid acceleration from an idling state and rapid deceleration from the wide opening of a throttle to the idling state. CONSTITUTION: A carburetor has both a main metering nozzle 26...
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JP2502208 |
PURPOSE: To keep a rotational speed of a driving wheel in such an area as to effectively obtain traction by controlling a fuel supply condition. CONSTITUTION: A bias computation circuit 26 computes a signal in proportion to a bias ratio ...
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JP08061151 |
PURPOSE: To eliminate the inconvenience of a conventional starting device, and while to improve the acceleration responsiveness of a carburetor. CONSTITUTION: A passage 2 connected to an intake port of an internal combustion engine E has...
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JP08042399 |
PURPOSE: To improve drivablity by controlling the opening of a flow control valve with an engine rotating number for air-fuel mixture to be at a preset ratio when a throttle valve is fully open and an engine rotating number is below a pr...
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JP08028357 |
PURPOSE: To correct dispersion of the air-fuel ratio between cylinders in a multicylinder engine to regulate a flow rate of at least one of air and fuel in plural carburetors through a single solenoid valve. CONSTITUTION: In a multicylin...
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JP08028356 |
PURPOSE: To easily cope with a secular change by simply correcting the air-fuel ratio, and correct the air-fuel ratio over the whole operation area to a high speed area from a low speed area. CONSTITUTION: An air-fuel ratio correcting de...
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JP08028358 |
PURPOSE: To attain feedback control of the air-fuel ratio by finding the air-fuel ratio in a carburetor for an internal combustion engine. CONSTITUTION: In a bleed system carburetor 10, by paying attention to the fact that the air fuel r...
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JP08021306 |
PURPOSE: To provide a carburetor control device which lets an engine exhibits the performance in response to various engine speed of the engine. CONSTITUTION: A pulse generating circuit 61 generates pulse current having a commanded duty ...
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JP08021307 |
PURPOSE: To form the size of a carburetor in the vertical direction as short as possible so as to attain miniaturization of the carburetor by sandwiching the inner circumferential edge part of a diaphragm with a horizontal turning part a...
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JP08021308 |
PURPOSE: To supply mixture of stable air-fuel ratio to an engine by intermittent ly supplying air from an air supply source, mixing the supplied air and fuel in a mixing part, and connecting a surge tank accumulating air to a part be twe...
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JP08021310 |
PURPOSE: To simplify the constitution, reduce the manufacturing cost, and improve acceleration responsiveness after shutting off fuel. CONSTITUTION: This carburetor is provided with a passage 20 through which air is fed to the intake por...
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JP08014107 |
PURPOSE: To smoothly start an engine by obtaining a starting mixed gas amount based on an electric signal and the atmosphere temperature at the time of manually starting its operation and the lapse of time after the engine is stopped and...
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JP08004595 |
PURPOSE: To prevent the occurrence of defective acceleration during rapid opening of a throttle, which is easy to occur to a fixed venturi type carburetor, through a simple mechanism to pressurize an air passage for an air bleed formed i...
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JP08004592 |
PURPOSE: To improve the starting device of a slide throttle valve type carburetor and to improve acceleration operation after deceleration operation of an engine. CONSTITUTION: A starting valve 28 is provided with a regulation shaft 29 t...
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JP08004590 |
PURPOSE: To provide a device which is constituted to improve the starting device of a slide throttle valve type carburetor and improve acceleration operation after deceleration operation of an engine. CONSTITUTION: A starting valve 28 is...
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JP08004596 |
PURPOSE: To provide a device which is devised to improve the starting device of a slide throttle valve type carburetor and improve acceleration operation after deceleration. CONSTITUTION: A starting valve 28 comprises a regulation shaft ...
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JP08004589 |
PURPOSE: To provide a starting fuel feeding device for a carburetor which is disposed in a limited space as in a portable working machine and small and easy to operate. CONSTITUTION: A starting shaft 21 paralleling a throttle valve stem ...
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JP08004591 |
PURPOSE: To provide a device which is constituted to improve the starting device of a slide throttle valve and improve acceleration operation after deceleration operation of an engine. CONSTITUTION: An air passage 22 for starting connect...
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JP07332160 |
PURPOSE: To provide an accelerator device which can supply a fuel for acceleration and can favorably be used in a multi-gang carburettor when an accelerative operation is to be made from the first time in the condition that no fuel is st...
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JP07317570 |
PURPOSE: To provide a carburetor opening sensing device which can work well with smaller size of construction through simplification of the sensing mechanism, allows suppression of the costs, and can avoid drop of the sensing accuracy by...
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