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Matches 251 - 300 out of 8,667

Document Document Title
JP3487909B2
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 ...  
JP2003278602A
To provide a variable venturi type carburetor capable of feedback control with a simplified structure.The variable venturi type carburetor comprising a cylinder part 13 and a fuel guide hole 14 being disposed on a carburetor body 11, opp...  
JP3472895B2
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...  
JP2003262159A
To provide an idle fuel supply device of a carburetor, wherein an air passage connecting an upstream portion of a throttle valve of an intake path with a downstream portion is provided to a carburetor body, and fuel in a fuel reservoir c...  
JP3466781B2
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 ...  
JP3459992B2
PURPOSE: To provice a speed regulator for carburetor which reduces control man-hour for obtaining low speed air quantity, and improves the development efficiency of a carburetor, and moreover has high durability against foreign matter. C...  
JP3460137B2
PURPOSE: To provide a speed regulator for carburetor which reduces control man-hour for obtaining low speed air quantity, and improves the development efficiency of a carburetor, and moreover has high durability against foreign matter. C...  
JP2003206779A
To solve the problem that the quantity of unburnt gas is increased if a vehicle speed is limited by thinned-out ignition, a load is increased by catalyst, and the service life of the catalyst is considerably reduced.Fig. (a) shows contro...  
JP2003184654A
To provide an improved fuel adjustment device for a rotary throttle valve type carburetor and a method for fuel supply adjustment.The rotary throttle valve type carburetor is provided with a piecing air duct in which a throttle valve mov...  
JP2003161205A
To provide an economizer mechanism of a carburetor for setting an air-fuel ratio to a suitable value in various kinds of running operations after warm-up operation from starting of an engine.An air intake port 53 opened to an air intake ...  
JP2003148251A
To provide a double-barrel carburetor capable of simplifying the configuration of a fuel passage to reduce mechanical machining, reducing costs, and preventing the occurrence of dieseling when an engine stops.A carburetor body 1 having a...  
JP2003129905A
To provide a device for restraining and controlling fuel supply of a carburetor with excellent responsivity, which can avoid delay of fuel supply at the time of re-acceleration after deceleration.This device for restraining and controlli...  
JP3424135B2
PURPOSE: To enable a desirable air-fuel ratio control over the whole opening area of the return opening of an air screw without being influenced by the return opening of the air screw and make the sensitivity of the air screw linearly ac...  
JP2003120422A
To provide an after run preventing device preventing an after run surely, after an operation of stopping an engine, with a simple composition and low cost.A main fuel passage 7 and a slow fuel passage 8 are provided at a mixing body 2 of...  
JP2003097276A
To properly control a scavenging air/fuel-air mixture in a stratified scavenging two-cycle engine with a crankcase compression scavenging system by using an optional carburetor.A driving member 32A which is turned by an accelerator opera...  
JP2003097353A
To provide a carburetor for a small engine which can additionally feed fuel for starting and operating a cold engine in an idling condition.A membrane type carburetor for an internal combustion engine has a low speed passage for starting...  
JP3412177B2
PURPOSE: To avoid fuel overflow in a carburetor at the time of reduced speed traveling of a vehicle and to improve reheating performance after speed reduction. CONSTITUTION: In an air intake device 23, wherein a carburetor 18 for feeding...  
JP2003083094A
To provide an intake system structure of a fuel injection engine having the compact structure and capable of increasing the responsiveness and performing highly precise intake control sufficiently over a wide scope.In this intake system ...  
JP2003065161A
To provide a motorcycle capable of smoothly accelerating without delicately operating a throttle at a low speed stage.A negative pressure chamber 1 and an aerator 20 communicating with the air side A by the operation of a solenoid valve ...  
JP3372516B2  
JP2002371915A
To provide an accelerating pump jet having plural discharge holes delivering to plural directions and having a small diameter capable of achieving sufficient mixture of air and fuel and enhanced vaporizing efficiency in view of conventio...  
JP2002364459A
To reduce unburned gas and introduce a new degree of freedom in a setting of a fuel device. Primary air and secondary air respectively for combustion are supplied to an internal combustion engine by a main air supply passage having a car...  
JP2002349348A
To provide an accelerating pump of a float type carburetor in which one combined check valve is composed of an inlet valve and an exhaust valve of the accelerating pump to reduce the number of part items and assembly monhours. A plunger ...  
JP2002539368A  
JP3343259B2  
JP3340575B2  
JP2002285910A
To provide an inexpensive low-speed fuel apparatus of a carburetor, by reducing the number of parts constituting an air cut valve apparatus and improving assembly workability.A second low speed air passage 12 is branched from a first low...  
JP2002276470A
To stabilize fuel flow rate in a single fuel system for feeding fuel controlled by a measuring needle interlocking with a throttle valve to an intake passage by mixing bleed air with the fuel.Effective area of a measuring hole 16 is regu...  
JP2002266705A
To increase an output, reduce a size, and facilitate, the designing and manufacturing of a carburetor in which a measuring needle interlocking with a throttle valve controls a fuel flow rate from a single fuel system.A spiral-shaped thro...  
JP2002256973A
To suddenly thicken density of a starting air-fuel mixture in a low temperature region lower than constant temperature of engine atmospheric temperature and especially, to improve startability in the low temperature region of an engine.A...  
JP2002242765A
To precisely complete the adjustment of two fuel adjusting means by one work in a carburetor for a spark ignition internal combustion engine to which a method for adjusting fuel of a low-speed system by two different fuel adjusting means...  
JP2002242762A
To provide a carburetor having a fuel cut-off electromagnetic device never causing the injection of fuel vapor to liquid fuel.This fuel cut-off electromagnetic device for the carburetor comprises a case having an outside surface and an i...  
JP2002242766A
To eliminate the leak of air or fuel from a throttle hole of a throttle valve to a pin hole of a needle for adjusting the opening of a fuel nozzle hole of a fuel feed pipe.The cylindrical throttle valve 39 having the throttle hole 49 is ...  
JP3316162B2  
JP2002221095A
To improve and equalize the precision in controlling fluid by equalizing the ring-shaped gap formed between a tapered needle valve part and a measuring hole by improving the concentric precision of a fluid adjusting screw and a screw hol...  
JP2002188514A
To provide excellent acceleration responsiveness without spoiling the original performance and production ability of a carburetor in spite of single constitution.In a carburetor 11 which is provided on the center line C of the vee bank o...  
JP2002519585A  
JP3314390B2
PURPOSE: To provide a control device of a multicylinder engine for a motorcycle whereby optimum ignition timing can be set relating to even the multicylinder engine for the motorcycle with different specification of an exhaust system of ...  
JP2002155806A
To regulate suction pressure acting on a fuel passage connected to an injection pipe by connecting a pressure regulating passage for regulating suction pressure to the fuel passage.A carburetor body 62 has the fuel passage 21 and the pre...  
JP2002155804A
To suppress a rise of a piston throttle valve by releasing an intake vacuum acting on a fuel storage tank from an intake passage just after a cold engine start-up.The cupped piston throttle valve 18 is vertically movably supported at rig...  
JP2002155803A
To provide a piston throttle valve type carburetor that dulls the operation of a vacuum actuator of a piston throttle valve in a cold engine start-up.The cupped piston throttle valve 18 is vertically movably supported at right angles to ...  
JP2002098003A
To instantly stop an engine by eliminating a delay in stopping the engine caused by residual gasoline in a main nozzle sucked out to a venturi chamber, right after actuating the engine to stop operation.An intake air passage 9 is made to...  
JP2002070650A
To provide a carburetor having both an air cleaner connected to an inlet of an intake path of a carburetor body and a fuel passage connected to a halfway portion of the intake path.In this carburetor, the carburetor body 2 is formed with...  
JP2002070649A
To provide a rotary throttle valve type carburetor wherein an intake negative pressure applied to a fuel injection hole of a fuel supply pipe facing a throttle hole of a rotary throttle valve is reduced when an engine speed is reduced.In...  
JP2002054508A
To reduce the number of part items and assembly man-hours of a negative pressure working valve used in a fixed vacuum type carburetor, reduce a cost of manufacture thereof, and secure a diaphragm surely stably to the negative pressure wo...  
JP2002054507A
To automatically open an opening/closing solenoid valve, when an engine is accelerated, so as to supply fuel from an accelerating fuel passage via an accelerating fuel nozzle hole to an intake path.An accelerating fuel nozzle hole 17a is...  
JP2002048006A
To supply fuel to an intake air passage from a long bag-shaped fuel pump at starting time and accelerating time of an engine by using intake pressure of the engine or pulsing pressure of a crankcase.The pulsing pressure (the intake press...  
JP3275193B2
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...  
JP2002039016A
To make fuel smoothly flow from a constant pressure chamber to a fuel supply pipe even when an engine is running by continuous accelerating and decelerating operations.A throttle valve 25 having a throttle hole 26 is rotateably and eleva...  
JP2002039015A
To mix fuel with intaken air by stopping the fuel creeping up from a high speed fuel nozzle hole along a fuel adjusting needle valve by means of an annular groove, and then splashing the fuel into an intake passage by intake air flow.A c...  

Matches 251 - 300 out of 8,667