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Patent Searching and Data


Matches 501 - 550 out of 8,667

Document Document Title
JPH09209838A
To lift up a suction piston to an unloader stroke only by slightly stepping on an accelerator pedal, facilitate manufacture by simplifying a cam surface and improve durability of an unloader mechanism. A cam lever 30 is fastened on a thr...  
JPH09209842A
To provide a down-draft constant vacuum type diaphragm carburetor capable of improving atomization of air-fuel mixture, stability at the time of low speed rotation, controllability of fuel and responsiveness. An air intake passage 2 pass...  
JPH09209841A
To provide a down-draft sliding valve type diaphragm carburetor attempted to improve stability of the number of rotations at low speed, fuel controllability and fuel responsiveness and miniaturized. An air intake passage 2 passes through...  
JPH09209839A
To prevent deformation of a venturi forming part guide hole, a plate type guide groove and an air intake passage hole formed on a guide block at the time of forming the guide block of a synthetic resin material and fitting it in a guide ...  
JP2681624B2
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...  
JPH09189265A
To improve fuel controllability in the intermediate opening area of the throttle valve of a diaphragm type carburetor. A carburetor main body 1 is divided into a regulator chamber 7 and an atmospheric chamber 8 by a diaphragm 6. A main f...  
JPH09189263A
To drain off water stored in a part concerning a negative pressure operating valve, and also improve air-fuel mixture controllability during the deceleration time of an engine and rapid acceleration operability just after engine decelera...  
JP2630648B2  
JPH09177610A
To dissolve problems that an air-fuel ratio can hardly be adjusted to a required air-fuel ratio by a choke system in an operating condition just after starting when an internal combustion engine is low in temperature at the time of start...  
JPH09177590A
To accurately determine an excessive state so as to always control an ignition time to an optimal ignition time by setting a threshold value based on a detected air intake pipe pressure and a revolution number and determining the excessi...  
JP2540083Y2  
JP2539187Y2  
JP2539184Y2  
JPH09166047A
To eliminate the problems of an excessive reduction in an air-fuel ratio by evaporated fuel, a reduction in idling rotation and a reduction in drivability caused by the high temperature of an internal combustion engine. In a restarting t...  
JPH09166048A
To provide a reasonably priced power fuel controller wherein the smooth flowing of power fuel through a power fuel passage is facilitated and no fuel vapour locking phenomenon occurs. One end of a power fuel passage 20 is opened below a ...  
JPH09166050A
To stabilize idle running and to improve fuel consumption by preventing the occurrence of a run on phenomenon caused by a wall surface flow and greatly reducing the fluctuating width of an engine revolution number during idle running in ...  
JPH09166049A
To provide optimal power fuel for holding an engine output to a high level when the revolution number of the engine exceeds a fixed high revolution number. A power fuel control jet 14 facing an upstream side and an always opened type sol...  
JP2621120B2  
JPH09151801A
To change the fuel discharge quantity smoothly by providing a pump discharge fuel passage with a screw type needle adjusting valve turned to adjust the fuel quantity to a venturi. In a low temperature area, the temperature of cooling wat...  
JPH09144638A
To improve measuring accuracy, extend dynamic range, and save the power consumption of a battery. This internal combustion engine is provided with an electromagnetic distorsion element 51 having electrodes 51a, 51b arranged opposedly on ...  
JPH09144601A
To reduce the fuel quantity and at intermediate speed so as to comply with exhaust gas regulation and, at the same time, discharge a needed fuel flow rate at high speed so as not to lower output. A fuel flow control passage 76, whose one...  
JP2536536Y2  
JPH09133049A
To obtain always the most suitable derivability, even if an operation state is different from a prescribed operation state by setting a pressure in response to the temperature in a different operation state from the prescribed operation ...  
JPH09133050A
To improve drivability at various transitional times with a different change speed of the number of revolution by detecting the change speed of an internal combustion engine speed at the transitional time, setting a pressure based on a d...  
JPH09126055A
To provide a flow rate control device of a single cylinder four-cycle engine capable of correctly controlling the air fuel ratio using a solenoid valve which is inexpensive and simple in constitution. An auxiliary jet and a solenoid valv...  
JPH09126056A
To provide an inexpensive fuel concentration adjusting device of a carburetor with small number of parts, and to protect an air cleaner for a thermo-valve from fouling. In a fuel concentration adjusting device of a carburetor in which a ...  
JPH09119347A
To prevent air pollution due to incomplete combustion and generation of an after-burn phenomenon due to unburned gas at the time of deceleration. The upstream side of a venturi part 5 in an intake passage 2 and the downstream side of a t...  
JPH09112351A
To shorten the length of an air hose, to simplify a piping, not to place limitation on the outer shape of an air cleaner, to eliminate a need for vibration control countermeasure, and further to improve maintainability. In an engine havi...  
JPH09112348A
To provide a carburetor to form a fuel system in one system constitution is simplified, perform the stable feed of fuel in a proper air-fuel ratio, and beside the height be low. A fuel injection nozzle 7 opened to a spot situated downstr...  
JPH09112350A
To stabilize an air-fuel ratio by controlling an amount of fuel, fed to an engine, in synchronism with rotation of the engine. An amount of air bleed to a carburetor is controlled in such a way that the microcomputer of a controller 50 u...  
JPH09112347A
To eliminate unevenness in concentration of air-fuel mixture during starting and warming-up operation by a method wherein a negative pressure output port closed by a piston side wall when the opening of a suction piston is below a given ...  
JPH09112349A
To provide a carburetor to form a fuel system in a single system constitution of which is simplified, perform the stable feed of fuel in a proper air-fuel ratio, and besides the height be low. A fuel injection nozzle 7 opened to a spot s...  
JP2531670Y2  
JP2531723Y2  
JPH0996253A
To provide a jet needle holder for a variable venturi type carburetor excellent in durability with a small change of air-fuel ratio even when a running distance of a vehicle is increased. A guide member 10 is formed in a disk shape, a gu...  
JP2596999B2  
JPH0988722A
To make a jet needle not make contact with a needle jet and excellent in durability in a total opening region from the low opening region to the high opening region of a sliding valve. A plural number of inclined grooves 9C directed to t...  
JPH0972245A
To change a by-starter path into a subordinate type or an independent type by small change. A by-starter body 13, a separate body from a carburetor 10 is attached thereto, a communication groove 51 is provided in a mating face 30, and a ...  
JPH0972244A
To eliminate fuel shortage in accelerating and improve accelerating performance, even if setting the discharge quantity of a carburetor slightly low. An intake device for a planing boat is so constituted that a 2-cycle engine 9 is mounte...  
JPH0968106A
To reduce the size of the negative pressure control part of a suction chamber and to reduce a cost during mass production. A lift control valve 32 to control a lift amount of a suction piston 16 by changing a negative pressure in a sucti...  
JPH0968067A
To prevent the deterioration in service life durability of a two-cycle engine and a work machine due to overspeed of the two-cycle engine, make engine rotating speed constant, and realize an effect similar to a rotating speed stabilizer ...  
JPH0953493A
To eliminate deterioration of emission by instantaneously controlling the opening and closing of a flow control valve to a preset designated opening according to the change of detected load to an engine, and then prohibiting the instanta...  
JP2605532B2
PURPOSE: To improve atomization of fuel during idling operation in a variable Venturi type carburetor. CONSTITUTION: A variable Venturi type carburetor has a bypass passage 7 for injecting fuel from a bypass port 8 opened upstream from a...  
JPH0942059A
To rationalize air-fuel ratio relating to an operating condition at this time so as to improve derivability, by detecting an engine temperature and an inflow amount of air to an intake system after starting, and setting an opening of a f...  
JP2578094B2  
JPH0932644A
To realize the lift characteristic of a negative pressure valve which satisfies the engine requirement from a low speed region to a high speed region. An atmospheric air introducing passage 40 is connected to a pressure receiving chamber...  
JPH0925850A
To deal with exhaust gas adjustment so as to suppress a fuel quantity from being increased to a specific value or more in a carburetor equipped with a cylindrical throttle valve, by providing an air passage by which the throttle hole of ...  
JPH0921353A
To provide the accelerating device for a carburetor, which makes the stroke of a piston larger, and allows a throttle valve shaft to be rightly operated. A cam 21a is formed out of a cut-out surface, and of an axis circumferential surfac...  
JPH0914056A
PURPOSE: To hold the air-fuel ratio near the stoichiometric air-fuel ratio setting the opening of a flow control valve on the basis of the change amount of the detected load of an engine, and controlling the opening into the opening set ...  
JPH094513A
PURPOSE: To restrain the increase of CO, HC, unburnt gasoline, etc., in an exhaust gas by increasing the air-fuel ratio of a mixture supplied from a starter to an intake passage at the deceleration time of an engine. CONSTITUTION: A star...  

Matches 501 - 550 out of 8,667