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Patent Searching and Data


Matches 351 - 400 out of 8,740

Document Document Title
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  
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 ...  
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
(57) A summary and subject The improved fuel * air mixture equipment is offered. Solution means In fuel * air mixture equipment, Brock 51 crosses the primary air channel 2 downstream from the throttle 4 and fuel introduction equipment, a...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
JP2002030991A
To reduce a manufacture cost by reducing the number of parts of a negative pressure operation valve used for a constant vacuum type carburetor and the number of assembling steps and to certainly and stably attach a diaphragm to the negat...  
JP2001355517A
To easily form a cam of an accelerator for operating a piston type accelerator pump with the cam, and to obtain the optimal and desirable accelerating fuel discharging characteristic and the optimal and desirable engine accelerating perf...  
JP2001349249A
To provide a downdraft type constant vacuum carburetor for preventing salinity, moisture-including air or moisture from entering an atmospheric pressure chamber via an atmosphere introducing passage.A suction passage 2 of the constant va...  
JP2001336449A
To contrive to stabilize the burst property of a starting fuel irrelevant to the slope condition of a carburetor and improve the startability of an engine by making the emulsification of the fuel ejecting from a starting fuel discharge n...  
JP2001329912A
To reliably prevent after-burn of an engine mounted with a carburetor to close an internal fuel passage when a key switch is switched off.When the key switch 15 is switched off, a solenoid valve 11 closes the fuel passage 10, and on the ...  
JP3225435B2
To provide a constant vacuum type carburetor improving intake efficiency of air flow toward an engine and heighten venturi negative pressure so as to heighten engine output and to improve operability. A vacuum operated valve P is formed ...  
JP3221481B2
To provide an intake device of a motorcycle which cam make an assembly position of an air vent hose and a communicating hose in a lower chamber of a vacuum piston constant and can prevent the invasion of water through the other end there...  
JP2001289124A
To smooth the operation of an inlet piston and stabilize the flow rate of a fuel by fitting a guide member of a venturi body for the inlet piston into a slit guide groove for preventing the occurrence of a swirl flow at both sides of an ...  
JP2001248473A
To stabilize a combustion state by using also a fuel supply by a carburetor for a fuel supply by a fuel injector in the vicinity of limit engine speed in an internal combustion engine provided with the fuel injector.This fuel control dev...  
JP2001214809A
To simultaneously conduct screwing work for fastening a float chamber body 6 to a carburetor body 1, and inserting work for inserting an annular packing 16 in a tip end opening 20C of a guide hole 20, from one direction, even if a forwar...  
JP2001214772A
To provide constant driving torque in every gear stage by the opening of an acceleration pedal in an automatic transmission vehicle equipped with ETC and regulate the throttle opening so that the driving torque is moved along a fixed dia...  
JP3196085B2
PURPOSE: To restrain the thinning of air-fuel mixture by opening a fuel quantity increase passage through actuation of a control valve by a control signal from a control circuit within the range of a determined vehicle speed and also wit...  
JP3196084B2
PURPOSE: To provide a carburetor fuel quantity increasing device inhibiting mixture from becoming lean in an engine, during high-opening low-speed operation and during accelerating operation and making the mixture rich positively in a sp...  
JP2001193610A
To prevent fuel from being excessively injected even with the generator rotated at a high speed without complicating its structure, in a mixture generator equipped with a diaphragm type fuel pump and a fuel injection valve. A fuel inject...  
JP3188981B2
PURPOSE: To carry out injection supply into an intake passage and restrain the thinning of mixture by opening a fuel quantity increase passage by actuating a control valve by means of a control signal within the range of an engine rotati...  
JP2001182619A
To provide a thermosensitive control device for a carburetor which is excellent in thermal storage and simple in structure and fabrication and which can be applied to conventional products without changing their shapes. A case 1 attached...  
JP2001164995A
To provide a carburettor starter device of such a structure that a pressurized air is applied to a fuel to extrude it to a suction passage for supplying a necessary quantity of fuel for the starting, whereby it is possible to start the e...  
JP2001159371A
To rapidly decelerate an engine without generating an engine stall by rapidly closing a throttle valve up to the specified opening, while gradually closing the throttle valve at the specified opening or less in the closing action of the ...  
JP2001153049A
To provide a diaphragm type pump capable of preventing change in fuel discharge characteristics by always harmonizing the manipulated variable of a manipulating member with the stroke of a diaphragm valve.In this diaphragm type accelerat...  
JP3173519B2
PURPOSE: To reduce the CO value in emission by increasing the step of a flow control valve after a predetermined time elapses after recovery of fuel cut-off during deceleration so as to shorten the time by which the air-fuel ratio become...  
JP3165726B2
PURPOSE: To provide a fuel supply device for an engine which can generate sufficient venturi negative pressure even in an operation area of a small intake amount, dispense with a passage for forcibly sending fuel into a venturi passage, ...  
JP2001123841A
To provide an accelerator for a two-stroke engine having an accelerating pump made to be driven by the pressure of a scavenging air passage. A stratified scavenging carburetor has a rotary throttle valve 6 and a scavenging valve, associa...  
JP3159760B2
PURPOSE: To provide a desired pulsation effect and sufficient acceleration by detecting an accelerating condition of a car body in a high speed region, and changing a preset value transferred to the lower speed side in accordance with la...  
JP3158304B2
PURPOSE: To restrain the thinning of air-fuel mixture by opening a fuel quantity increase passage by actuating a control valve by means of a control signal with a throttle valve opening being more than a fixed opening and also within the...  
JP2001099006A
To inexpensively provide an acceleration device for a carburetor which can supply acceleration fuel stably for a long time. A cam lever 8 having a cam surface 8A is fixed to a throttle valve operation shaft 4A between a throttle lever 5 ...  
JP2001099007A
To always stabilize a discharge amount of acceleration fuel in a plunger type acceleration pump device without being influenced by manufacturing error of interlocking mechanisms between a throttle valve and a pump plunger. A back stopper...  
JP2001099009A
To improve working equipment having an internal combustion engine so as to reduce fuel consumption, thermal load and mechanical load of the internal combustion engine by a simple means. A hand carry type working equipment is driven by an...  
JP2001099004A
To provide a throw adjust screw of a carburetor which can adjust an air amount for low speed or air-fuel mixture amount for low speed with high accuracy and shows excellent reproducibility. An adjust passage B formed on a carburetor main...  
JP3154109B2
PURPOSE: To restrain the thinning of mixture at the time of the middle and high opening operation of an engine by opening a fuel quantity increase passage by actuating a control valve within the range of determined rotation and also with...  

Matches 351 - 400 out of 8,740