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JPH0742425U |
[Purpose] In a multi-cylinder engine equipped with a fuel supply device that supplies fuel into the intake pipe according to the amount of intake air on the upstream side of the manifold of the engine intake path, a uniform air-fuel mixt...
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JPH0742421U |
[Purpose] An object of the present invention is to improve the intake device of the engine by equalizing the difference in the concentration of the intake air-fuel mixture between the cylinders and enabling smooth operation of the engine...
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JPH0768931B2 |
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JPH0758062B2 |
A diaphragm-controlled carburetor which includes a diaphragm positioned in a chamber and dividing the chamber into wet and dry chamber sides. A valve is positioned in the wet chamber side, and is responsive to the diaphragm for feeding f...
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JPH07151644A |
PURPOSE: To provide an analysis device and its method which can be easily operated to correctly measure an air/fuel mixing ratio. CONSTITUTION: Exhaust gas discharged from a tail pipe 44 of an internal combustion engine 40 flows in from ...
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JPH07151016A |
PURPOSE: To surely prevent degradation of a diaphragm due to poor quality gasoline, high-octane gasoline, alcohol fuel, etc., and to maintain good throttle response. CONSTITUTION: The pressure in a venturi route 5 changeable by opening/c...
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JPH0730351U |
[Purpose] Provided is a circulating vaporizer capable of operating an engine even in an inclined posture and an inverted posture. [Constitution] Fuel is sucked from the fuel tank 7 by the fuel pump 35 and supplied to the fuel chamber 16,...
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JPH0749782B2 |
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JPH0720366Y2 |
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JPH0739820B2 |
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JPH0717663Y2 |
A two wheel motorcycle of the scooter type employing a power unit with an engine mounted forwardly of the rear wheel, a power train extending rearwardly on one side of the rear wheel to couple the engine and the rear wheel and a muffler ...
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JPH0717807Y2 |
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JPH07109965A |
PURPOSE: To improve combustion efficiency by forming a constriction part where supplied fuel passes upstream of a fuel supply means in a fuel supply passage to atomize the fuel in the constriction part, thereby supplying air-fuel mixture...
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JPH0791338A |
PURPOSE: To provide an air silencer mounting device to a carburetor of an internal combustion engine for cutting off vibration. CONSTITUTION: This device includes a carburetor 15 having an air introduction passage 17 having an air inlet ...
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JPH0717959U |
[Purpose] In a portable work machine in which the circulation type vaporizer and the fuel tank are in an overturned posture during storage, the fuel in the fuel tank flows back to the vaporizer through the fuel supply passage and the ret...
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JPH0712680Y2 |
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JPH0725344B2 |
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JPH0769265A |
PURPOSE: To provide the intake device of a motorcycle by which an air introducing quantity to an engine can be increased without generating any trouble for supply of fuel. CONSTITUTION: The surrounding of a carburetor 12 is substantially...
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JPH0714142U |
[Purpose] By changing the flow rate characteristics of the fuel, acceleration is improved and idle operation is stabilized. [Constitution] The main system fuel ejection nozzle 48 and the slow system fuel ejection nozzles 50 and 52 formed...
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JPH0735238A |
PURPOSE: To provide a diaphragm which is higher in waterproof property than a conventional diaphragm, excellent in flexibility, improved in consistency in mass production, long in durability, excellent in versatility and tensile strength...
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JPH078549U |
[Purpose] Provided is a circulating vaporizer in which the oil level does not drop much at the time of inclination, the fuel supply amount does not decrease, and the main jet is not exposed on the oil level even at the time of a large in...
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JPH0734979A |
PURPOSE: To be applicable to a piston valve in any deform, to simplify structure, and to reduce a manufacturing cost. CONSTITUTION: An air funnel comprises an inner air funnel 16; and an outer air funnel. The inner air funnel 16 is intro...
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JPH073002Y2 |
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JPH074859U |
[Purpose] Provided is a fuel measuring member having excellent rust resistance and wear resistance, low manufacturing cost, and excellent productivity. [Constitution] A fuel measuring member J that controls the amount of fuel or air-fuel...
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JPH06346798A |
PURPOSE: To enhance the air velocity at high speed and improve the fuel feeding by arranging an air flow surface having prescribed aerodynamic characteristics and a fuel feeding orifice communicating with a fuel supply source via a condu...
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JPH0648139Y2 |
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JPH0683952U |
[Purpose] It suppresses the rise of the oil level in the fuel chamber when the circulating vaporizer is tilted. [Constitution] A fuel tank 7 is placed under the circulating vaporizer 6, and when the engine is running, fuel is supplied to...
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JPH06330820A |
PURPOSE: To provide a carburetor for small sized engine of which adaptability for tilting is excellent and constitution is simple. CONSTITUTION: This carburetor is provided with a main nozzle boss 6 projecting from the underside of the b...
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JPH0680844U |
[Purpose] By providing a throttle at the inlet of the low-speed fuel adjustment needle valve, backflow of air from the low-speed fuel injection hole to the high-speed fuel passage is suppressed. [Constitution] The fuel suction port 36b o...
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JPH0643485Y2 |
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JPH0687930B2 |
A swirl chamber comprises a housing, which at its shell or side wall is connected to at least one tubular port having a center line which is approximately at right angles to and spaced from the axis of the housing. In the improved swirl ...
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JPH06307290A |
PURPOSE: To prevent the output lowering of an engine at the time of the full admission of a slottle valve while keeping the gradient function of an engine in high. CONSTITUTION: The upstream part of the venturi part 4 of a venturi tube 1...
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JPH06288312A |
PURPOSE: To increase forward visibility and stability of machine body by eliminating the necessity for a fuel tank to be located above an engine so as to move the fuel tank downward. CONSTITUTION: An electric fuel feed pump 82 powered fr...
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JPH0667855U |
[Purpose] An object of the prima pump protection device of the present invention is to provide a light and inexpensive prima pump protection device having a simple structure without impairing the operability of the prima pump. [Constitut...
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JPH0672576B2 |
A fuel delivery system for purging air from the reservoir (22) of a diaphragm carburetor (18) on an internal combustion engine and for supplying priming fuel to the carburetor air intake (26). An manual pump (12) has an inlet coupled by ...
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JPH0672544B2 |
PURPOSE:To prevent a floatless carburetor from vapor locking by providing a suction pipe between the floatless carburetor and a crank case connecting them. CONSTITUTION:A crank case is provided with a suction pipe 28, which is equipped w...
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JPH0660754U |
[Purpose] Provided is a carburetor cleaning tool that is easy to use, has high work efficiency, and can clean the valve seat of a nozzle or a float valve in a carburetor. [Constitution] A metal needle is fixed to the handle to form a lar...
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JPH0631165Y2 |
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JPH06191458A |
PURPOSE: To let each main frame be so constituted as to be simple, and also be less bent by arranging intake components such as a carbureter and the like within a small width as much as possible. CONSTITUTION: An engine 13 which has a pl...
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JPH0649751U |
[Purpose] Simplifies the starting operation of an engine equipped with a fuel circulation carburetor. [Constitution] The fuel pump 18 driven by the operating pressure of the engine, the fuel chamber 7 that stores the fuel supplied by thi...
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JPH0625440Y2 |
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JPH0647931B2 |
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JPH06173807A |
PURPOSE: To provide a fuel feeding device for an engine with which starting can be performed by only cranking of the engine by means of a recoil starter or a self-starting motor without requiring special starting operation and of which c...
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JPH06167249A |
PURPOSE: To be adapted to different atmospheric pressure caused by weather irrelative to elevation of the place of use by changing at least one of the air component and fuel component for producing a mixture by means of the open position...
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JPH0618025Y2 |
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JPH0618051Y2 |
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JPH06129304A |
PURPOSE: To prevent useless fuel supply during no-firing rotation, and to eliminate lack of initial power by providing a by-pass communicating an upper stream part of a carbureter with a lower stream part in an inlet air passage connecte...
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JPH06123254A |
PURPOSE: To provide a film type carburetor having a simply constructed cheap means, which corrects air-fuel ratio into proper value according to a change of air density due to a change of temperature. CONSTITUTION: A thermowax mechanism ...
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JPH0633061B2 |
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JPH0631057B2 |
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