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Patent Searching and Data


Matches 451 - 500 out of 2,879

Document Document Title
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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: ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
JP07317574
PURPOSE: To provide a carburetor opening sensing device which can work well with smaller size of construction using a simple structure, allows suppression of the costs, accomplishes enhancement of the sensing accuracy, and can enhance th...  

Matches 451 - 500 out of 2,879