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JP2009019535A |
To increase the quantity of a fuel at the time of starting, and to avoid difficulty in starting due to an excessively high concentration fuel/air mixture when starting is repeated.A solenoid valve 7 is provided on a starting fuel feed pa...
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JP4199689B2 |
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JP4196868B2 |
A booster unit is provided in an injector of a fuel injection system. The booster unit includes a booster piston accommodated in a pressure chamber, and a discharge valve capable of discharging fuel in a backpressure chamber. A needle va...
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JP4199688B2 |
A choke valve is controlled finely suited to the running state of an engine. A throttle valve (8) and a choke valve (9) are provided in series on an intake pipe (6), and the opening degree of the choke valve (9) is controlled by a steppi...
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JP4199171B2 |
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JP4196870B2 |
A booster unit is provided in an injector of a fuel injection system. The booster unit includes a booster piston accommodated in a pressure chamber, and a discharge valve capable of discharging fuel in a backpressure chamber. A controlle...
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JP4199686B2 |
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JP4180858B2 |
The device has a pump with drive to suck-in fuel vapor and air. The pump (2) and the pump drive (3) are fixed into a housing, and together with a separator (4) and a container (5) for the fuel fraction, form a module, which is fitted rem...
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JP2008267384A |
To provide a fuel air mixing device capable of providing desired choke size at an engine start at any throttle valve position by allowing choke valve operation with a simple procedure at the engine start.The fuel air mixing device includ...
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JP4177004B2 |
A releasable latch is arranged such that during interengagement, an aiding torque is created to angular phase shift the fast idle lever relative to the choke lever (46). A gap in the push coupling is opened after further rotation of the ...
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JP2008255881A |
To immediately recover an engine to a normal operating state by automatically fully opening a choke valve even if the choke valve is suddenly closed by any reason and the output of the engine tends to be suddenly lowered during the norma...
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JP4169005B2 |
In a fuel supply system for an internal combustion engine in which a gas delivery pump, a fuel pump and an electric motor are included in the fuel supply system and form a pump unit, the electric motor is incorporated in the system in su...
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JP4169843B2 |
A control mechanism for a carburetor having a throttle valve and a choke valve each having at least a cold-starting position and a full-speed position. The throttle valve is spring biased toward its third, low idle position, and the chok...
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JP4168034B2 |
To provide a spark ignition type engine preventing failure of engine starting. In this spark ignition type engine in which fuel gas is supplied from a fuel gas supply source 1 to a fuel mixer 2, a pressure lock valve 3 is arranged betwee...
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JP4168017B2 |
To provide a gas engine that prevents errors in starting the engine by a simple means. In the gas engine, fuel supply from a gas fuel source 5 to a gas fuel nozzle 2 is shut off by a boost lock device 4 when the intake negative pressure ...
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JP4163958B2 |
A fuel injector for the direct injection of fuel, especially into the combustion chamber of a mixture-compressing internal combustion engine having external ignition, is located in a cylinder head of the internal combustion engine in a r...
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JP4148414B2 |
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JP4149225B2 |
A carburetor for a small internal combustion engine has a manual priming fuel pump with a resilient valve for allowing fuel flow in a first direction and for preventing fuel flow in a second direction. The resilient valve is reinforced w...
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JP4149365B2 |
A fuel injection rail has a rail body formed by joining together a first body member having the shape of a trough and a second body member having the shape of a flat plate. Edges of the side walls of the first and the second body members...
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JP4145845B2 |
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JP4145844B2 |
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JP4145846B2 |
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JP4145847B2 |
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JP2008196475A |
To provide a carburetor including a casing determining an air intake, a first member fixed to the casing and including an inlet hole fluid-communicated with the air intake, and a second member rotatably mounted on the casing, the second ...
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JP4129245B2 |
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JP4129244B2 |
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JP4129243B2 |
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JP4130771B2 |
A fuel injector comprises a magnet coil which coacts with an armature that is impinged upon by a return spring and is configured together with a valve needle, a valve closure member that, with a valve seat element, forms a sealing seat b...
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JP4129822B2 |
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JP4127188B2 |
The volume of gas bubbles required in a fuel supply path in order to prevent the fuel pressure from rising again after an electromagnetic valve is closed is estimated. For example, the required volume of gas bubbles can be estimated acco...
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JP2008169831A |
To actualize a fuel system for starting and purging, which removes old liquid fuel, residing fuel vapor and air from a diaphragm carburetor of an engine while starting the carburetor and/or the engine with the liquid fuel.A starting pump...
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JP4124858B2 |
The invention is directed to a membrane carburetor which includes an intake channel having a throttle flap which is pivotally journalled. The carburetor also includes a control chamber from which fuel can be supplied to the intake channe...
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JP4106663B2 |
A high-pressure pump is formed with a secondary suction passage, which branches from a fuel suction passage and communicates with a pump chamber. Check valves for preventing a backflow of fuel are disposed respectively in the secondary s...
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JP4098877B2 |
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JP2008518156A |
A method of controlling the power of an internal combustion engine (1) comprising the following steps; in a first, lower power phase of operation of the engine (1), supplying a mixture of air (8) and fuel to the combustion chamber. The m...
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JP4091344B2 |
[Solving Means] In a carburetor 58 comprising a tube portion 86 formed so as to crow a main air passage 84, a throttle valve 87 for throttling the air quantity passing through the main air passage 84, the throttle valve 87 being movably ...
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JP2008101547A |
To provide an engine provided with a start pump having good manipulability and high supporting strength.This engine has a carburetor 24 being a fuel supply means for supplying fuel to intake air, and a fan housing 34 for covering a cooli...
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JP2008077469A |
To maintain the moderation feeling of a slide contact part for a long time, with respect to a lever mechanism for performing positioning with the moderation feeling in a lever operation.A cover member 21 is mounted on the shaft receiving...
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JP2008064101A |
To provide a carburetor having an auxiliary fuel/air supplying device, wherein the carburetor can be automatically operated to open and close the conduit of the auxiliary fuel/air supplying device, and does not require the manual operati...
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JP4061252B2 |
An interlocking lever having first and second cam faces is mounted on a throttle valve stem, and a throttle valve is arbitrarily opened to perform start-up in a state in which the first cam face makes contact with the choke valve lever a...
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JP2008051119A |
To effectively use a spring sandwiched between a fuel injection valve and a fuel distributing pipe for avoiding leakage in the communication pipe strip of a fuel distribution conduit and for suppressing the axial deviation of the fuel in...
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JP4052416B2 |
To provide a simple, compact and low-cost opening and closing valve, such as a choke valve, with improved operativity for a two-cycle engine for supplying thick air-fuel mixture for a combustion chamber and for producing high negative pr...
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JP4049628B2 |
To prevent the entry of ambient air and liquid such as rainwater into a direct acting type auto-by starter and thereby prevent the formation of rust in the auto-by starter, by adjusting pressure fluctuations in the auto-by starter caused...
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JP2008031858A |
To optionally adjust increase in air flow rate and fuel injection quantity in the start.An operating member 15 is supported to be capable of linear motion by a support member 14 integrated with a cover body of a rotary throttle valve typ...
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JP2008503690A |
A fuel delivery system is provided having a fuel rail with an outlet. A fuel injector is provided having a body with an outlet and a generally tubular inlet. The tubular inlet of the fuel injector is generally axially slideable into the ...
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JP4042058B2 |
A fuel injection system for an internal combustion engine includes a fuel supply pump, a fuel pressure detector, and a control unit. The fuel supply pump supplies pressurized fuel to a fuel injection valve in the internal combustion engi...
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JP4042057B2 |
When a learning condition is satisfied, control device performs a feedback control. In the feedback control, a metering valve control value is progressively increased to progressively increase a degree of opening of an inlet metering val...
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JP2008008262A |
To attach a cable to a plunger without removing the plunger from a plunger type flow control valve.A connection rod 23A is connected to the plunger 23. The connection rod 23A is extended to the outside through a plunger cap 24 and a cabl...
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JP4025901B2 |
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JP4025904B2 |
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