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Patent Searching and Data


Matches 251 - 300 out of 8,734

Document Document Title
JP2007100561A
To further effectively stop supply of fuel in a carburetor for preventing outflow of unburnt gas.Pulsation of an engine is introduced to an air pump 32 via a pulse line 36, and pressurized air is stored by operating a diaphragm 33. A pre...  
JP3894764B2
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 o...  
JP2007071054A
To provide an insulator which simplifies a communicating structure and realizes space saving around an engine.In an insulator 30, an accelerating pump mounting part 51 is provided to the lower part of a thermal insulation part 31. An acc...  
JP2007064138A
To provide a carburetor which can effectively prevent afterburning in an exhaust pipe upon abrupt deceleration of an engine.An air cut-off valve 19 for controlling supply of secondary air to an exhaust port via a valve shaft 20 is connec...  
JP2007046612A
To provide an internal combustion engine having a low consumption of fuel and low exhaust gas values during idling.This internal combustion engine 1 is provided with an auxiliary passage 20 opened in one conveyance passage 6 in the inter...  
JP3875732B2
PURPOSE: To reliably start an internal combustion engine even when a fuel not corresponding to the characteristics of the fuel with fuel setting value set upon starting is used. CONSTITUTION: As long as a test-end condition has not been ...  
JP3876333B2
To hold a good negative pressure responsiveness for a long time in an elastic ring fitted in a ring groove of a negative pressure operated valve by setting a radius of the outer periphery on the side of free end to be almost equal to a r...  
JP2007009767A
To provide a secondary air supply device of a simple structure provided with an intake air control function more effectively preventing after burn in an exhaust pipe at a time of sudden deceleration of an engine.A control valve controlli...  
JP3868041B2
To control combustion of an engine with a simple means so as to reduce harmful components in exhaust gas by changing a condition of an air-fuel ratio into a lean condition temporally in the case where the air-fuel ratio is controlled in ...  
JP3866490B2
To easily mount a first component and a second component to a carburetor main body with one holding plate and one screw. First and second mounting holes 17, 18 are opened on first and second mounting surfaces 15, 16 formed at a right ang...  
JP3856203B2
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 controll...  
JP2006329074A
To provide an air-fuel mixture correcting device of a constant vacuum type carburetor, enabling a vehicle to start and travel just after starting at the low temperature and in warming-up operation, in the constant vacuum type carburetor ...  
JP2006329134A
To provide a general-purpose carburetor of side draft type capable of maintaining a satisfactory condition of air-fuel mixture supplied into an intake passage from a throw port at low speed operation time while keeping the concentration ...  
JP2006329075A
To provide an air-fuel mixture correcting device of a constant vacuum type carburetor, enabling a vehicle to start and travel just after starting at the low temperature and in warming-up operation, in the constant vacuum type carburetor ...  
JP3845159B2
To reduce the size of a variable venturi carburetor by reasonably forming its piston valve, shortening its intake passage and reducing the diameter of its diaphragm. A piston valve 12 is constituted of a platelike valve part 26 adapted t...  
JP2006307848A
To provide a solenoid valve controlling method allowing arbitrary intervention in fuel supply by minimizing the amount of energy needs.An outflow of fuel to air intake passage is prevented by intercepting the fuel supply during an interr...  
JP3838675B2
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...  
JP2006257982A
To stably maintain initial acceleration performance and exhaust gas performance for a long period of time.In an acceleration device of a carburetor, a link operation type acceleration pump device has a link arm 1 journaled to a carbureto...  
JP3826365B2
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...  
JP3823334B2
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...  
JP2006242055A
To simultaneously improve low temperature startability and acceleration performance of an engine by commonizing a starter device and a acceleration device with a single device and to reduce manufacturing cost by reducing number of parts ...  
JP2006517274A
The present invention is a method for injecting fuel to an internal-combustion engine, and with gas addition equipment (20) first to fuel Gas or a gas mixing thing, Add especially oxygen or air and spray fuel in this case, and supply the...  
JP3793999B2
To prevent the escape of fuel inside a float chamber for an engine to the outside by way of a starter when the engine is being carried. A cylinder bore 10 of an accelerator is situated above a main nozzle 9 in the longitudinal axis line ...  
JP3787668B2
To miniaturize a carburetor by connecting the start fuel room and float room of a start device by a start fuel introduction passage and also branching an acceleration fuel suction passage from the start fuel introduction passage. The fue...  
JP2006144691A
To prevent generation of abnormal noise of an engine or a phenomenon under which shaft output of the engine is kept high even if throttle is choked when temperature of the engine rises.This device is provided with an enrich control means...  
JP3780546B2  
JP3779353B2
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 ...  
JP3772366B2
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...  
JP2006112315A
To suppress after burn phenomenon of an engine right after stopping the engine in a vacuum operation type carburetor.An acceleration device P is divided into a pump chamber 23 and a pressure receiving chamber 24. An acceleration fuel suc...  
JP3758625B2
To accurately and rapidly identify the types of gasoline which have various compositions and have different distillation characteristics. In the method, voltage pulses are applied for a prescribed period on a type-identifying sensor heat...  
JP2006070787A
To provide an accelerator which materializes inexpensive manufacturing cost and easy change in discharge start timing of accelerating fuel in an extremely short time.A plurality of pin engaging holes 30a, 30b, 30c are circumferentially d...  
JP2006057498A
To provide an electronic control device for a choke valve of a carburetor provided with a compact transmission device capable of applying sufficiently large torque to the choke valve from an electric motor at a full open position of the ...  
JP2006002760A
To control the PCCI (premixed compression ignition) combustion efficiently and simply.A closed loop electronic control system 1 for controlling the combustion of a Diesel engine structured so that its fuel injection system 14 makes at le...  
JP3728156B2
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...  
JP2005337031A
To obtain an abnormality diagnosis apparatus for a high pressure fuel system of a cylinder injection type internal combustion engine, capable of accurately diagnosing the abnormality of a spill valve, when the abnormality occurs on the s...  
JP3720379B2
PURPOSE: To automatically adjust air/fuel(A/F) ratio to a preferred level during varying operation conditions by adjusting mixing ratio in a first control circuit with dependency on rotation speed of an existing A/F ratio, periodically c...  
JP2005315126A
To suppress the occurrence of knocking or misfire even if an air-fuel ratio deviates from target value in premixed compression self-ignition combustion operation at a target air-fuel ratio corresponding to a request load and engine rotat...  
JP3715367B2
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...  
JP2005299488A
To eliminate malfunction such as instability of engine operation and increase of exhaust harmful material due to discharge of residual air inside a pump chamber, discharge of generated fuel vapor and due to pump operation, in regard to a...  
JP2005299452A
To restrict leak of fuel inside a cylinder hole from an upper end of a guide collar due to inflow of the fuel into an upper cylinder when continuously operating a plunger inside the cylinder.An operating rod 22d of the plunger 22 slidabl...  
JP3708718B2
To improve drivability at shift operation time by surely preventing rapid starting of a vehicle and increasing of a shift shock due to load increase at the shift operation time from range N to a range D. A device comprises a throttle act...  
JP3702370B2
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...  
JP3702372B2
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...  
JP3702371B2
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...  
JP2005264951A
To provide an accelerating jet provided with a plurality of discharge holes which are excellent in mixture of air with fuel and high in carburetion efficiency through which the fuel is discharged in multi-direction, because of that since...  
JP2005248708A
To prevent fuel in a cylinder hole from overflowing from an upper end of a guide collar when a plunger is continuously operated in the cylinder hole.This plunger type acceleration pump device for the carburetor is constituted in such a w...  
JP2005232981A
To improve engine operability by surely avoiding back bleeding by less labor and cost, by easily making a main nozzle having a flange for preventing the back bleeding, in a carburetor for an all purpose engine.This carburetor for the all...  
JP3689442B2
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...  
JP2005155525A
To provide a carburetor with a manual choke mechanism capable of obtaining excellent start and stable drive successive thereto by fixing a choke valve at a predetermined position even when a hand is off in the manual operation.The fixing...  
JP3654397B2
To enable vaporized fuel IN a constant pressure fuel chamber to normally flow to an intake passage little by little together with fuel irrespective of the posture of an engine, thereby preventing much vaporized fuel from remaining in the...  

Matches 251 - 300 out of 8,734