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JPH1089153A |
To improve the atomization of the fuel of a sliding throttle valve-type carburetor, and to make the carburetor compact. A notch part 15 of a prescribed length is formed from a lower end of a needle 9 to be inserted into a fuel nozzle 11....
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JPH1082347A |
To prevent hunting in a light load region by restraining an EGR rate immediately after EGR starting small in an internal combustion engine furnished with an EGR(exhaust gas recirculation) system. A ventilating sectional area (clearance b...
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JP2566565Y2 |
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JPH1073053A |
To mechanically control the opening or closing motion of a throttle valve disposed in an intake pipe corresponding to the EGR temperature and the intake negative pressure which fluctuate according to the operational conditions of the eng...
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JP2720990B2 |
Several embodiments of additional fuel supply systems for internal combustion engines that supply supplemental fuel in addition to the normal charge forming device to satisfy certain specific requirements such as cold starting and cold r...
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JP2722159B2 |
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JP2722111B2 |
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JPH1037807A |
To improve a responsive characteristic of a constant negative pressure type carburetor and improve a drivability of an engine. A piston valve 16 is arranged in a main body of a carburetor in such a way that it may be freely moved vertica...
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JPH1026052A |
To provide a starting device for a carburetor to perform smooth acceleration operation during acceleration operation wherein a throttle valve is released just after starting operation. A starting fuel passage 19 connected to a fuel sourc...
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JPH1018912A |
To rationalize mixed gas quantity at the time of cranking in the whole area of a time from low temperature to very low temperature, to shorten the starting time of an engine in the whole area. A piston breaker 12 and a spring 14, for ene...
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JPH109058A |
To supply the intended quantity of fuel for the whole operating area starting from a low velocity operating area over to a high velocity operating area including an accelerating area. The tip end of a jet needle 12 to be mounted onto a p...
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JPH102254A |
To properly adjust an air-fuel ratio by fixing an air-fuel ratio adjusting valve firmly and stably to a prescribed adjusting position. In a fitting hole 11 formed by dividing screw holes 8 front and rear, an elastic material-made fixing ...
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JPH09329059A |
To facilitate the control of the working and assembling accuracy of the mixture jet and jet needle of a carburetor by integrating its fuel systems into one simple system, stably supplying fuel at a proper air-fuel ratio, and under a smal...
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JP2688669B2 |
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JPH09317562A |
To improve the lubricating performance of an engine by preventing the accumulation of ice accretion at a fuel injection part, and mixing a mixture with oil evenly. With a carburetor 10 for a separate oil-feeding type engine, in the curbu...
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JPH09317500A |
To limit the maximum injection quantity for an engine in its lower speed range not to cause black smoke by providing a control means which outputs an operation signal directing the higher of lower speed range than a predetermined speed i...
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JP2681624B2 |
PURPOSE: To prevent the occurrence of defective acceleration during rapid opening of a throttle, which is easy to occur to a fixed venturi type carburetor, through a simple mechanism to pressurize an air passage for an air bleed formed i...
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JP2554902Y2 |
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JP2680604B2 |
Several embodiments of enrichment system for internal combustion engines for supplying enrichment fuel in response to a predetermined condition. In each embodiment, the engine has multiple chambers with multiple intake passages and a bal...
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JP2673514B2 |
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JPH09287521A |
To provide a carburetor for a two-stroke engine whose whole structure is simplified and operation is assured, and which can regulate the characteristics of the opening action of an air control valve for the opening of the throttle valve ...
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JPH09280114A |
To individually suitably adjust the amount of air supplied to each scavenging port of an engine in response to the opening of the throttle valve of a carburetor. An air passage 25 is connected to a portion near the scavenging port 33, 33...
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JP2552082Y2 |
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JP2551483Y2 |
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JP2551480Y2 |
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JPH09273449A |
To control an air quantity to be supplied to a double feed engine and a fuel quantity in an air-fuel mixture so as to maintain a predetermined relationship between them. An air passage 3 and an air-fuel mixture passage 4 connected to the...
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JP2660393B2 |
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JPH09264168A |
To purify exhaust gas with a simple structure by regulating the pressure within a float chamber according to the output of an oxygen sensor mounted on the exhaust side to perform air-fuel ratio control. An oxygen sensor 13 is mounted on ...
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JPH09256913A |
To eliminate the bad driving condition due to excessively low concentricity and excessively high concentricity by reducing the sticking and staying quantity of fuel by introducing the fuel metered at a variable fuel metering section to a...
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JPH09250403A |
To reduce vibration of a motorcycle transmitted to a solenoid valve, and enhance maintainability of an engine intake system. In an air cleaner 19 for a motorcycle, having a solenoid valve 34 for supplying secondary air to a carburetor 20...
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JPH09242612A |
To improve startability of an engine by operating an actuator by an intake pipe pressure at the time of start of the engine, operating the power fuel supplying means of a carburetor through a link mechanism, and supplying power fuel from...
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JP2652934B2 |
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JPH09236100A |
To efficiently deliver liquid by providing a liquid delivery port and a liquid reservoir in which a liquid sucking port is arranged, arranging a discharging gap in this liquid reservoir, and connecting the discharging gap and a high volt...
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JP2650677B2 |
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JP2644526B2 |
Disturbances can occur in handheld portable tools driven by internal combustion engines because the idle-nozzle system and the main-nozzle system influence each other. The carburetor of the invention prevents this disturbing influence an...
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JP2641878B2 |
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JPH09209841A |
To provide a down-draft sliding valve type diaphragm carburetor attempted to improve stability of the number of rotations at low speed, fuel controllability and fuel responsiveness and miniaturized. An air intake passage 2 passes through...
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JP2630648B2 |
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JPH09177610A |
To dissolve problems that an air-fuel ratio can hardly be adjusted to a required air-fuel ratio by a choke system in an operating condition just after starting when an internal combustion engine is low in temperature at the time of start...
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JPH09177590A |
To accurately determine an excessive state so as to always control an ignition time to an optimal ignition time by setting a threshold value based on a detected air intake pipe pressure and a revolution number and determining the excessi...
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JP2540083Y2 |
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JP2539187Y2 |
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JP2539184Y2 |
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JPH09166047A |
To eliminate the problems of an excessive reduction in an air-fuel ratio by evaporated fuel, a reduction in idling rotation and a reduction in drivability caused by the high temperature of an internal combustion engine. In a restarting t...
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JPH09166050A |
To stabilize idle running and to improve fuel consumption by preventing the occurrence of a run on phenomenon caused by a wall surface flow and greatly reducing the fluctuating width of an engine revolution number during idle running in ...
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JP2621120B2 |
A fuel feed device for an internal combustion engine including a main fuel system including a charge forming device that supplies fuel, air requirements to the engine for most running conditions. An automatically operated auxiliary suppl...
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JPH09151801A |
To change the fuel discharge quantity smoothly by providing a pump discharge fuel passage with a screw type needle adjusting valve turned to adjust the fuel quantity to a venturi. In a low temperature area, the temperature of cooling wat...
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JPH09144601A |
To reduce the fuel quantity and at intermediate speed so as to comply with exhaust gas regulation and, at the same time, discharge a needed fuel flow rate at high speed so as not to lower output. A fuel flow control passage 76, whose one...
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JP2536536Y2 |
An enrichment device for a charge forming system for an internal combustion engine that is responsive to induction system pressure for effecting a pumping action to draw fluid in when the engine is operating in a steady state condition a...
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JPH09133050A |
To improve drivability at various transitional times with a different change speed of the number of revolution by detecting the change speed of an internal combustion engine speed at the transitional time, setting a pressure based on a d...
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