Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 8,740

Document Document Title
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
JP2584199B2
PURPOSE: To reduce an emission amount of NOx, HC, and Co by a method wherein an air pulse valve to feed air is arranged at an exhaust gas manifold and opened according to the negative pressure pulse of the exhaust manifold, in a small di...  
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...  
JP2572949B2
PURPOSE: To correctly adjust fuel quantity by arranging in a second duct connected to an injection device an air-fuel mixture emission unit adjustable in its degree of opening and controlling the opening by a transmission element operati...  
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...  
JPH094515A
PURPOSE: To avoid a bad influence on a catalyst by a usual ignition cut and also control an engine rotation speed in good responsiveness in engine rotation speed control structure. CONSTITUTION: In an engine provided with a carburetor 1 ...  
JP2521157Y2  
JPH08338314A
PURPOSE: To obtain an inexpensive constant vacuum carbureter without using a diaphragm as a compartment for a negative pressure operating valve. CONSTITUTION: Formed in a carbureter body 1 are a negative pressure cylinder 8 opened to an ...  
JPH08334063A
PURPOSE: To prevent a bleed starting delay and a low speed temperature response delay by respectively arranging a bleed pipe in an offset position to a needle jet and the bleed pipe in a position higher than an oil level so that bleed ho...  
JPH08334056A
PURPOSE: To stabilize idle operation, and improve fuel consumption by preventing the occurrence of a run-on phenomenon by a wall surface flow, and reducing a change width of engine rotating speed at idle operation in a variable venturi t...  
JPH08334060A
PURPOSE: To enhance fatigue toughness performance of a diaphragm to drive a vacuum piston of a carburetor of a motorcycle. CONSTITUTION: For example, an NBR polymer on which the nitrile content is 35% and Mooney viscosity is 85, is used ...  
JPH08334057A
PURPOSE: To prevent the occurrence of percolation by forcedly opening a power valve when a cooling water temperature is not less than a prescribed tempera ture and an air conditioner is turned on and an engine is in idle operation in a c...  
JPH08334061A
PURPOSE: To prevent the occurrence of percolation by controlling an opening step in a small opening step when the opening step of a valve passes by specific time in a specific value or more when idle operation is performed under a high t...  
JPH08334059A
PURPOSE: To prevent the occurrence of breathing and an engine stall or the like by preventing temporary leanness when a throttle valve is opened from an idling condition. CONSTITUTION: In a carburetor 1 having a power system to increasin...  
JPH08334062A
PURPOSE: To prevent the deterioration of exhaust gas and idle instability by performing skip control on an air bleed control valve when a power valve is switched at idle operation in a carburetor having a power system to increas ingly su...  
JP2519989Y2  
JP2562376B2  
JPH08319891A
PURPOSE: To improve the lift characteristic of a negative pressure valve to a great extent by controlling the negative pressure of a venturi part using a negative pressure control device. CONSTITUTION: A negative pressure valve 21 is ins...  
JPH08319892A
PURPOSE: To generate a specified air-fuel ratio by adjusting the fuel supply in response to throttle operation in such a way as complying with the car operating situation. CONSTITUTION: A variable venturi type carburettor 1 is equipped w...  
JP2557516B2  
JP2557517B2  
JPH08312420A
PURPOSE: To improve the responsiveness of an engine as well as to convert the engine rotational frequency stably, by controlling to correct the optimum air-fuel ratio for a specific time, when the engine rotational frequency is increased...  
JPH08296504A
PURPOSE: To adjust air-fuel ratio easily at the time of idle operation by detecting a degree of opening of a flow rate control valve by voltage signals outputted by a control means and adjusting an adjust screw based on the detected volt...  
JPH08296523A
PURPOSE: To improve fuel measuring accuracy by feeding a part of requested fuel by a first fuel supply device of a carburetor system, and feeding the rest by a second fuel supply device of a forced injection system using an electromagnet...  
JPH08296479A
PURPOSE: To prevent deterioration of emission, etc., by increasing the quantity of fuel in a particular driving range according to the characteristics of a feedback carburetor. CONSTITUTION: An internal combustion engine, which conducts ...  
JPH08291766A
PURPOSE: To provide a fuel supply device for an internal combustion engine which can greatly improve the measuring accuracy of the fuel supplied in an intake passageway and achieve a control of an air-fuel ratio, too. CONSTITUTION: This ...  
JPH08291767A
PURPOSE: To greatly improve a measuring accuracy of fuel supplied in an intake passageway and to realize an air-fuel ratio control. CONSTITUTION: This device is provided with an intake passageway 18a connected to an intake port communica...  
JP2549199B2  
JPH08284761A
To provide a small-sized temperature compensated carburetor for a small-sized internal combustion engine used for a portable tool. A temperature compensated carburetor is provided with a fuel flow regulating system including a composite ...  
JPH08284757A
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...  
JPH08284756A
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...  
JPH08284755A
PURPOSE: To increase a fuel amount according to acceleration by, in an engine where air is pressure-fed from a pressurized chamber to a carburetor during the open operation of a throttle valve, providing an air supply hole communicating ...  
JPH08277749A
PURPOSE: To keep the air-fuel ratio control range of mixed gas sent in an engine in accurate condition so as to prevent the deterioration of combustion of the engine, by automatically removing carbon, etc., adhering to the surface of the...  
JPH08270477A
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...  

Matches 601 - 650 out of 8,740