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WO/2021/083436A1 |
The invention relates to a liquid fuel gasifier system for internal combustion engines. The system comprises a liquid fuel tank (1), a means for heating said liquid fuel (2) capable of raising the temperature until the liquid fuel gasifi...
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WO/2020/019602A1 |
A diaphragm carburetor, comprising a main body (7) and a lower cover connected to each other, wherein a mixing chamber is provided in the main body (7), a mixing chamber hole (8) of the mixing chamber is located on a side wall of the mai...
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WO/2019/143915A1 |
In at least some implementations, a charge forming device includes a body having a main bore, a fuel metering assembly including a diaphragm that defines at least part of a fuel chamber from which fuel is provided to the main bore and a ...
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WO/2019/042278A1 |
A built-in tiltable general fuel oil supply system for a gasoline engine comprises a main body, and comprises a float chamber (21), a float (22), a main spraying pipe (23), and a main air channel (24) that are connected to the main body....
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WO/2019/023562A1 |
In at least some implementations, a charge forming system for a combustion engine includes a first fuel supply device having a first passage from which fuel is discharged for delivery to the engine and a second fuel supply device having ...
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WO/2018/107192A1 |
The invention relates to a method for operating an internal combustion engine (1) with a liquid or gaseous fuel, wherein at least a portion of the exhaust gas produced during combustion of the fuel is recirculated into an intake tract (7...
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WO/2018/104232A2 |
The object of the invention is a carburetor (100) for an internal combustion engine of a working device, comprising an air funnel (10) and a control chamber (16) connected to a fuel tank, wherein the control chamber (16) is connected to ...
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WO/2018/104059A1 |
The subject matter of the invention is a carburettor (100) for an internal combustion engine of an implement having an air funnel (10), in which a throttle valve (12) is arranged, and having a control chamber (16) which is connected to a...
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WO/2018/104229A1 |
The subject matter of the invention is a carburettor (100) for an internal combustion engine of an implement, having an air funnel (10), a control chamber (16) which is connected to a fuel tank, and a pumping chamber (18) which has a dia...
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WO/2018/069432A1 |
The invention relates to a method for operating an internal combustion engine system (1) for a motor vehicle and to an internal combustion engine system (1) of this type. The latter comprises an internal combustion engine (2) formed by a...
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WO/2017/172682A1 |
In at least one implementation, a method of operating a combustion engine, includes determining a temperature equal or related to a temperature of an engine at an engine start and comparing the determined temperature to a temperature thr...
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WO/2017/121666A1 |
The invention relates to a control device for a diaphragm carburettor, said control device comprising a control diaphragm and a control lever, wherein the control diaphragm has a central scanning region, a functional region concentricall...
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WO/2017/121668A1 |
In the case of a control diaphragm for controlling a supply of fuel in a diaphragm carburetor of an internal combustion engine, comprising a central sensing region (1), a functional region (2) which encloses the sensing region (1) concen...
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WO/2017/075488A1 |
An apparatus and methods are provided for an air cleaner to be mounted onto an air inlet of an internal combustion engine. The air cleaner comprises an air filter that includes a filter medium disposed between a curved base and a cover. ...
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WO/2017/070153A1 |
A carburetor may have a fuel metering assembly with a metering valve and a metering diaphragm sealed to a body of the carburetor to at least partially define a metering chamber with a portion of the metering diaphragm movable relative to...
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WO/2016/210309A1 |
A carburetor may include a main body including a fuel and air mixing passage and a fuel bowl having a latch and a body defining a fuel chamber. The body is imperforate and the latch engages the main body to at least in part retain the fu...
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WO/2016/126839A1 |
A carburetor fuel flow control device having an elongate annular body received in a cavity with an inlet in its sidewall communicating with a fuel supply passage and an outlet downstream of the inlet and adjacent to an end of the body, a...
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WO/2016/073697A1 |
In at least some implementations, a carburetor includes a body, a fuel pump diaphragm and a pressure pulse passage. The fuel pump diaphragm is carried by the body and defines in part a fuel chamber on one side of the fuel pump diaphragm ...
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WO/2016/066715A1 |
A carburettor for supplying gaseous fuels in internal combustion engines, comprises a main body in which there are defined an intake section, a first pressure reduction section, a second pressure reduction section connected to the first ...
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WO/2016/012233A1 |
The invention relates to a control diaphragm for controlling a fuel feed in a diaphragm carburetor of an internal combustion engine, comprising a central, substantially flat feeling region (1), a functional region (2) circumferentially e...
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WO/2016/010449A1 |
The present invention relates to an arrangement (1) and method for fluid injection, comprising an injector (2), with a chamber (3) for fluid, an opening (4) and a device (5) to change the volume within the chamber (3). The arrangement...
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WO/2015/132242A1 |
The object of the invention is to improve a fuel-provision system for a hand-held motor-driven tool. To achieve this object, a fuel-provision system (100) is disclosed, comprising a pressurized fuel tank (10), a diaphragm carburettor (11...
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WO/2015/130932A1 |
A carburetor may include a body having a main bore from which a fuel and air mixture is discharged for use by an engine, a throttle valve head, a choke valve head and a flow directing feature. The throttle valve head may be carried by th...
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WO/2014/188150A1 |
A carburettor incorporating an air passage (5), and a fuel passage (3), and a rotating barrel (4), the rotating barrel (4) being arranged between the air passage (5) and the fuel passage (3) so that a first portion of its surface is expo...
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WO/2014/131321A1 |
A carburetor base of an engine is provided with an axial through hole (54), a pulsation hole channel (56) and an anti-blocking component (60). The anti-blocking component (60) is mounted inside the axial through hole (54) and is provided...
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WO/2014/120889A1 |
An airflow enriching device for an internal combustion engine having an intake manifold. The airflow enriching device having a reaction chamber operable to hold a supply of liquid fuel at a selected level therein, and a vapor flow contro...
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WO/2014/052385A1 |
A carburetor provides a supplemental fuel supply to an engine and includes a body, a fuel metering diaphragm and a fluid pump. The fuel metering diaphragm defines part of a fuel metering chamber and a reference chamber and has at least a...
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WO/2014/018723A1 |
In at least some implementations, a carburetor has a metering system that controls fuel flow from a fuel source to an air-fuel passage. The metering system includes a metering diaphragm sealed to a body of the carburetor to at least part...
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WO/2014/002957A1 |
The present invention is configured from: a fuel tank (98); a carburetor (60) provided with a diaphragm pump which drives by receiving the pressure fluctuation that occurs within a crank case (16); an electric motor (40) connected to a c...
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WO/2013/110081A1 |
A system for gasification of liquid fuel includes an absorber to receive liquid fuel and gas through separate ports, a vortex reactor to create a vortex of the gas and fuel droplets to enhance absorption of gas into the fuel, and a recir...
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WO/2013/079899A1 |
A carburettor incorporating an air passage (5), and a fuel passage (3), and a rotating barrel (4), the rotating barrel (4) being arranged between the air passage (5) and the fuel passage (3) so that a first portion of its surface is expo...
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WO/2013/076842A1 |
In air-fuel ratio detection for: detecting the output of a downstream sensor (10), which is a limiting-current air-fuel ratio sensor arranged further downstream than a catalyst (6) on an exhaust route (4) of an internal combustion engine...
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WO/2013/074768A1 |
A purge and prime assembly for a carburetor includes a purge and prime pump that alternately takes in and discharges fluid, and a plurality of passages through which fluid is routed. The passages may include a purge passage through which...
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WO/2013/037580A1 |
The invention relates to a pump device (100) for delivering a fluid (2) through a fluid line (3) from a fluid source (4) to a device (1) in a controllable manner, wherein a membrane unit (5) with a membrane (6) is provided, said membrane...
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WO/2013/004419A1 |
In order to produce an arrangement (100) comprising an air filter (10) and a diaphragm carburettor (20) for providing a fuel/air mixture for an internal combustion engine, wherein the diaphragm carburettor (20) is connected via an intake...
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WO/2012/103158A2 |
An apparatus, system, and method are disclosed for vaporizing fuel. A method for vaporizing fuel includes providing a fuel vaporizer 300. The fuel vaporizer 300 includes a chamber 306 for receiving a liquid, the chamber comprising at lea...
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WO/2012/002888A1 |
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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WO/2012/002859A1 |
A method for controlling the fuel supply to an internal combustion engine at startup, the engine having a fuel supply system which can be set in at least two start modes, a lean mode, and a rich mode, the rich mode providing extra fuel d...
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WO/2012/001731A1 |
An air supply device (2) used in a two-stroke engine includes: an insulator (14) having an insulator mixture passage (17) that is in communication with an intake port (5A) provided in an engine body (1) of the two-stroke engine, the insu...
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WO/2011/138909A1 |
Disclosed is an air cleaner of a two-cycle engine provided with an air supply path connected to the middle of a scavenging passage by which a scavenging port provided in a side portion of a cylinder and a crankcase communicate with each ...
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WO/2011/074405A1 |
Provided is an engine for a working machine, wherein it is possible to use fuels having different concentrations of ethanol. A vaporizer (100) is used to adjust the mixing ratio of air and fuel within an air mixture, which is supplied to...
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WO/2011/068512A1 |
A fuel delivery system (100) for an internal combustion engine. The fuel delivery system (100) includes a diaphragm carburettor (102) for mixing air and fuel, a start preparation system (104) for introducing fuel into the carburettor bef...
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WO/2011/014149A1 |
A carburetor for a gas powered internal combustion engine having a plurality of pressure reducing stages for reducing the pressure of the gas phase in a liquified petroleum gas storage bottle prior to the mixing of the gas phase of the l...
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WO/2010/112003A1 |
The invention relates to a method for producing a fuel for a heat engine, in which the fuel is burned by adding a combustion gas and the fuel is pressed through a packing made of sharp-edged granules so as to increase the surface of said...
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WO/2009/122394A2 |
A sonic saturation system is provided that comprises at least one tank for containing a reservoir of liquid solvent; at least one gas-inlet in fluid communication with a gas compressor, for introducing gaseous solute into the reservoir, ...
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WO/2009/119429A1 |
A fuel supply device for an engine, which can increase the amount of fuel in a mixed gas (13) with good response with respect to operation of a throttle valve (23) when the engine (14) is rapidly accelerated and which is reduced in size....
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WO/2009/116902A1 |
A fuel supply unit (1) is provided e.g. a carbu rettor or a low pressure injection system of an internal combustion engine. The fuel supply unit (1) include s a main air passage (3), which has a throttle valve (8, 9) mount ed therein and...
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WO/2009/086574A1 |
The invention relates to a carburetor, comprising a housing (1) having a connection (2, 4) each for an air current and for liquid fuel, said housing enclosing an open-pored flow body (5) for conducting the air current and the fuel, and t...
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WO/2009/067281A1 |
A fuel conditioning method is applicable to common rail direct injection or unit injector system. A liquid fuel is conditioned for higher-efficiency combustion in a combustion chamber. The conditioning system includes a fuel vessel (6) f...
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WO/2009/040128A1 |
The invention relates to an internal combustion engine and in particular to a device and a method for improving the fuel supply of the engine in order to optimise the fuel consumption by a better combustion in the engine, to reduce the p...
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