Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 3,996

Document Document Title
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...  
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...  
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...  
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. ...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2012/103158A3
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
WO/2009/122394A3
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, ...  
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, ...  
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....  
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...  
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...  
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...  
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...  
WO/2009/023398A1
Carburetors for attaching to fuel-burning engines are described. The carburetors generate improved engine efficiency and reduced engine emissions by improving combustion of fuel. The carburetors include a plurality of nebulizers, each of...  
WO/2008/111880A1
A carburettor (1) for a two-stroke internal combustion engine with scavenging air, comprising: a) a carburettor main body (2) including a main air passage (9) having at least a throttle valve (16) mounted therein, the main air passage (9...  
WO/2008/060870A1
A liquid fuel supply and evaporator system for (100) use in connection with combustion-powered fastener-driving tools comprises an evaporator housing (102) which is disposed in thermal communication with the combustion chamber housing (1...  
WO/2008/050192A3
Fuel management system for operation of a spark ignition engine. The system includes a source of gasoline and a source of anti-knock fuel. A proportioning valve receives the gasoline and the anti-knock fuel to discharge a mixture having ...  
WO/2008/046719A1
A diaphragm carburettor comprises a diaphragm dosager (2) provided with a diaphragm (3) that separates a first chamber at constant pressure (4) from a second fuel dosaging chamber (5) intercepted by a valve controlled by the diaphragm, s...  
WO/2008/029875A1
An insulator (2) in which a housing (5) is integrally molded with a heat insulation section (20) at its lower part, where the housing (5) forms a part of a housing (64) of an acceleration pump (6). The construction enables the accelerati...  
WO/2008/025632A1
A diaphragm carburettor (1) for internal combustion engines, comprising: - a carburettor body (2,2') provided with a feed duct (3) of an air/fuel mixture to the engine, said duct (3) being intercepted by at least one butterfly valve (20)...  
WO/2008/024569A3
A personal or spot area environmental management system has a low pressure air supply in fluid communication with an air nozzle and a water supply in fluid communication with a water nozzle. The air nozzle and water nozzle are arranged t...  

Matches 1 - 50 out of 3,996