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WO/1994/024432A1 |
A method for controlling exhaust gas emissions from an engine (16) includes extracting a light distillate fuel (Fd) from conventional gasoline or other liquid hydrocarbon fuel and supplying the engine with the light distillate fuel durin...
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WO/1992/005360A1 |
A gasifying device (5; 50; 100) is fed oil from the return spill rail (54) of a diesel engine (1), or from a reservoir of oil (29) and gasifies the lighter fractions of the oil using an electrical heater (10, 61, 139), the gasified produ...
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WO/1991/004405A1 |
The invention produces and meters a constant supply of volatile gasoline vapors into the cylinders of an internal combustion gasoline engine. The vapors are produced by releasing them from liquid gasoline through pressure differential in...
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WO/1989/000239A1 |
This invention is characterized in that a starting fuel pump (49) for use in sucking a fuel from a fuel tank (25) and supplying the fuel to a starting nozzle port (41) of a carburetor (17) is driven by a fuel supplying electric motor (53...
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WO/1988/009871A1 |
An auxiliary fuel supply system is provided for a two cycle internal combustion engine (302). A first fuel line (350) supplies fuel from the fuel pump (338) to a solenoid (352) which is continuously cyclable between ON and OFF states dur...
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WO/1985/003330A1 |
A system for modifying and utilizing hydrocarbon fuels consisting of approximately two-thirds light fuel fractions and one-third heavy fuel fractions by volume in the operation of an internal combustion engine. The system includes a firs...
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WO/1984/004134A1 |
The device is intended to introduce additional gas flows (air, exhaust gas, cracked gas) in the intake channel (39) of an internal combustion engine (11) wherein the mixture is compressed by means of slots (9, 10) facing each other in th...
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WO/1984/002746A1 |
A vacuum - mechanical system for controlling emissions from a diesel engine by controlling exhaust gas recirculation (EGR) levels and modulating the fuel injection pump timing to coordinate to two; the system including a three - dimensio...
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WO/1984/000051A1 |
A carburetor which is responsive to an operator controlled throttle includes a fuel metering and dispersion system for optimally mixing a fuel with air in preparation for the injection into the intake manifold of an internal combustion e...
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WO/1983/002980A1 |
A fuel pump (1) for delivering fuel to a diesel engine. A housing (3) defines a fuel inlet (5), a fuel outlet (7) and has a hollow, open end (9). A pump body (23) has a cavity (27) and one end of the body is attached to the open end of t...
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WO/1982/001917A1 |
An air filter in front of the intake opening of the carburetor has an elastic lower surface (20) with a bead (19) which is movable in the intake opening. The displacement is adjusted by means of a choke control (22) which at maximum defl...
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WO/1981/000593A1 |
A carburetor (C) has an induction passage (P) and a throttle valve (T) positioned in the induction passage. A staging valve (S), also positioned in the induction passage, is closed during cranking of an engine whereby a suitably rich air...
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WO/1980/000470A1 |
A variable venturi down-draft carburetor comprises a one-piece unitary casting (1) that defines an induction passage and upwardly open cavities constituting a float chamber (3) and a recess (4) in which a movable venturi member (15) is h...
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JP7444767B2 |
A startup failure determination/detection device comprising: an acquisition unit configured to acquire a measured temperature value from a temperature sensor for measuring the temperature of an ignition coil of an engine; and a detection...
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JP7409914B2 |
To improve engine startability of a portable work machine.A portable work machine includes a valve member 88 which is operated by a motor and controls an amount of fuel supplied to an engine body 20, and an assist control unit CU (2) whi...
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JP7242322B2 |
Provided is a starting-fuel supply device (7), including: a starting-fuel supply valve (18) configured to automatically add a starting fuel to an air-fuel mixture generated by a carburetor (4); and a valve chamber (20) for the starting-f...
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JP7158257B2 |
To stabilize engine operation by ending unstable engine operation in a short time.A laminar scavenging two-cycle engine is configured to supply leading air supplied to a scavenging passage 18 to a combustion chamber 12 to promote scaveng...
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JP2022102033A |
To provide a start control device for an engine capable of preventing start of the engine during operation of an external device by determining the operation of the external device.A start control device 7 for an engine includes: a contr...
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JP2022097799A |
To provide a hunting detection device and a hunting detection method capable of detecting hunting of an engine comprising a carburetor.A hunting detection device of this disclosure is a hunting detection device for detecting hunting of a...
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JP2022097866A |
To provide an auto-choke device capable of reducing a failure risk of starting an engine.An auto-choke device is an auto-choke device for controlling the opening of a choke valve provided in an intake passage of an engine, the auto-choke...
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JP7079795B2 |
The present disclosure relates to a carburetor assembly (7) comprising a control unit (17), an air channel (8), a throttle valve (9), a choke valve (10), a pulsed fuel valve (11), and a fuel supply line (12). The control unit (17) is ada...
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JP6976208B2 |
A general purpose engine includes: a cooling fan fixed to an engine rotary shaft; a muffler to silence exhaust gases; a muffler covering to cover the muffler; and an auto choke device to control an opening of a choke valve in an air inta...
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JP6942882B2 |
An automatic choke device (25) of a carburetor (22) includes a wax (41) attached to an engine main body (1), a rod (43) configured to perform a linear motion in conjunction with expansion of the wax (41), a choke lever (45) configured to...
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JP2021038694A |
To provide an air cleaner with a choke valve that can increase adhesion property.An air cleaner 8 filters air A fed to an engine E. The air cleaner 8 includes: an air intake passage 24 for introducing the air A from a clean chamber 37 to...
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JP6840897B2 |
With the object of improving the mounting property of a working member for which a moving manipulation is guided by a guide hole, an opening/closing mechanism of an intake member includes: an intake member which accommodates a filter par...
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JP6823226B1 |
For the purpose of providing an opening / closing mechanism for the intake member capable of suppressing rattling of the moving member and positioning the choke lever, the filter portion is housed and the end wall portion facing the filt...
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JP6704810B2 |
Provided is a feature for assisting in a manual choke operation while suppressing increased costs of a machine. A choke operation assistance device attachable to a machine provided with a manual choke for engine start comprises a circuit...
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JP2020041495A |
To provide a carburetor capable of restricting the displacement of a seal member when assembling a support member on a cylinder part, while suppressing an increase in the number of components.A carburetor 10 includes a carburetor body 12...
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JP2020041496A |
To provide a carburetor capable of suppressing the occurrence of hammering and wear due to the shake of an operation lever even when the carburetor vibrates in the state that a fuel flow path is closed by a valve member.A carburetor 10 i...
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JP6572068B2 |
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JP2019052593A |
To reduce an inflow amount of fuel that unintentionally flows into an air intake passage after operation of an engine is stopped.A carburetor 30 provided in an air intake system 28 of an engine 1 comprises a fuel chamber 50 capable of st...
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JP2019052594A |
To provide an air cleaner for an engine which is suitable for building a passage structure for introducing blow-by gas into a carburetor.An air cleaner 50 for an engine includes: a body part 52 having a filter part 51 and a storage chamb...
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JP6487631B2 |
A carburetor achieves better emission characteristics while improving a combustion state by increasing a delivery ratio of a stratified scavenging engine and reducing intake resistance. No dividing wall is provided between a throttle val...
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JP6386438B2 |
A choke valve structure includes an air cleaner body having a suction pipe portion provided on an end wall, a choke valve having a valve body allowed to adhere to a sealing surface formed around an opening, and a movement mechanism confi...
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JP2018091145A |
To realize choke means capable of surely securing sealability by improving a contact state of a choke valve of an engine and an opening of an intake passage.In an engine work machine in which choke means is disposed in an air cleaner box...
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JP2018071370A |
To provide a carburetor capable of maintaining the work efficiency of maintenance and the like irrespective of addition of wiring.A carburetor 11 comprises a position sensor PS that detects the moving amount of a throttle valve 19 on the...
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JP6272965B2 |
The invention concerns a method for controlling the fuel supply to an internal combustion engine at start-up. The fuel supply system can be set in at least two start modes, a lean mode and a rich mode, and the selection of mode is based ...
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JP6208081B2 |
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JP6203390B2 |
The invention relates to a carburetor assembly (10) for a two-stroke internal combustion engine, the assembly comprising a main intake passage (12) accommodating a throttle valve (30), an additional air passage (14) accommodating an addi...
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JP2017166427A |
To provide a control lever for a starter device capable of avoiding damage against a load other than that of normal state while assuring a normal operation.A control lever 34 comprises an oscillation piece 42 rotatably connected to a sup...
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JP2017141759A |
To provide an automatic choke apparatus capable of delaying close operation of a choke valve after stopping an engine while securing durability of a bimetal.An automatic choke apparatus includes: a choke valve 24; a bimetal 120 to be def...
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JP2017115736A |
To provide a carbureter capable of realizing an assembly of a position sensor while avoiding a large-sized formation of the carbureter.A position sensor PS includes: a detecting part; a displacement transmission member 47 connected to th...
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JP6117873B2 |
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JP2017053234A |
To improve startability of an engine and remove deposit that might cause deterioration of performance of the engine without requiring a worker, etc. to pay special attention in a fuel supply system of the engine that can use biomass etha...
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JP2017002869A |
To prevent short service life without generating excessive stress at bi-metal, even in a case where exhaust temperature is made high by continuity of high-load operation and the bi-metal is thermally displaced.A choke lever 11b for rotat...
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JP6046611B2 |
The invention concerns a method for controlling the fuel supply to an internal combustion engine at start-up. The fuel supply system can be set in at least two start modes, a lean mode and a rich mode, and the selection of mode is based ...
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JP2016205324A |
To facilitate an operation of a choke mechanism, and to prevent the forgetting of a return of the choke mechanism.An operation mechanism 6 of a choke mechanism 5 has: a choke lever 62 which makes the choke mechanism 5 transit to a state ...
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JP2016186244A |
To provide a fuel increase device enabling an appropriate increase in the amount of fuel by using a simple configuration.A fuel increase device includes: a bypass fuel flow passage 13 for introducing fuel to a venturi portion 11 of a car...
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JP6009486B2 |
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JP5977332B2 |
A fuel supply system for small two-stroke internal combustion engines for e.g. chain saws, line trimmers and similar hand-held power-tools including a diaphragm carburetor (20) equipped with a purging system (80a, 81a) or priming system ...
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