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JP4096472B2 |
The contact area(K) of a first lever(10), which is brought into contact with the cam face(8A) of the rocker lever(8), is located between the throttle valve lever(5) and end section of the carburetor's housing block in a direction of the ...
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JP4084494B2 |
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JP4080023B2 |
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JP4074944B2 |
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JP4074926B2 |
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JP4070306B2 |
A fuel supply system for an automotive engine is provided in which fuel is injected from fuel injectors (31a to 31d) into the air that is drawn into the engine (30) through an intake passage (120) to produce a mixture of fuel and air; a ...
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JP2008069640A |
To secure an excellent engine operation state without deteriorating exhaust gas, by uniformly maintaining a state of an air-fuel mixture supplied to an engine even in low speed operation, in a side draft type all-purpose carburetor.The s...
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JP2008063983A |
To provide an insulator capable of simplifying a communicating structure and realizing space saving around an engine.A housing part 5 is integrally molded and provided on a lower part of a heat insulating part 20. A part of a housing 64 ...
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JP4044216B2 |
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JP4036908B2 |
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JP2007332809A |
To ensure supply of necessary minimum of fuel for driving an engine, in the event of inflow of moisture into a float chamber of a carburetor, by avoiding the substitution, even if temporary, of most of fuel supplied to the engine by the ...
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JP4025901B2 |
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JP4025904B2 |
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JP3995938B2 |
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JP3981936B2 |
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JP3974957B2 |
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JP3967412B2 |
To improve an output and a torque along a wide rotational speed region from an extremely low opening degree and extremely low rotation to excessive rotation by arranging a fuel blowout hole in a range in which a throttle effect by a lowe...
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JP3963496B2 |
To provide a method and a device for accurately and assuredly adjusting an air/fuel ratio to a desirable level in a diaphragm carburetor for internal combustion engine. A diaphragm carburetor for internal combustion engine comprises a ch...
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JP3952243B2 |
To stabilize a discharge rate by opening a pulsation pressure taking- out port to a position upper than a throttle hole of a rotary throttle valve at the time of idling and to a position of a downstream side from the rotary throttle valv...
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JP3952239B2 |
To provide a carburetor which is attached without remarkably varying a structure to a carburetor main body, and avoid erroneous operation of an acceleration pump caused by pulsative motion of an engine. An inner space of a carburetor mai...
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JP3946842B2 |
To provide an opening detecting device of a carburetor for correctly detecting the opening throughout a whole area of a valve opening. In a carburetor 1, two magnets 21, 22 are provided on a side face of a valve 5 in such manner that the...
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JP3945014B2 |
To provide a fixed vacuum type evaporator capable of restricting longitudinal movement of a jet needle while attaining smooth lift characteristics of a vacuum operated valve regardless of the sectional shape of the vacuum operated valve,...
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JP2007162614A |
To well maintain the operating state of an engine up to the idle operation by a fuel feed system for starting and automatically adjust the air-fuel mixture to an appropriate concentration during the high-speed operation in a carburetor f...
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JP2007113444A |
To start an engine by supplying the starting fuel for increasing the amount of the fuel at starting, as well as to prevent the starting fuel from being kept to supply in the starting failure.An electromagnetic valve 13 is installed in a ...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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...
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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...
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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 ...
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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 ...
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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 ...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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...
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JP3780546B2 |
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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 ...
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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...
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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...
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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...
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