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WO/2000/052323A1 |
A heated tip fuel injector (156A) includes a housing (112) having a bore formed therein for receiving fuel under pressure; a valve seat (34) mounted at one end of the housing, the valve seat including an orifice; a needle valve (30) havi...
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WO/2000/050763A1 |
A method of heating fuel using a heated tip fuel injector (14) includes providing an internal combustion engine having at least one fuel injector, the at least one fuel injector having an internal heater (16); energizing the engine start...
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WO/2000/050748A1 |
The invention relates to a combustion unit for combusting a liquid fuel, comprising a fuel inlet, an air inlet and a flue gas outlet which are connected to a combustion chamber for combusting the fuel, wherein the fuel inlet is connected...
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WO/2000/032927A1 |
Fuel injection device for internal-combustion engines, which device is apt for injecting the fuel reaching a first pressure from a tank in a gaseous phase including air, which is conveyed through air feed ducts to the combustion chambers...
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WO/2000/032914A1 |
A device for secondary treatment of exhaust gases from an internal combustion engine, consisting of a reduction catalyst (18) that is used to reduce the NOx components of said exhaust gases and an exhaust pipe (2) leading thereto. The in...
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WO/2000/031406A1 |
The invention concerns a method for improving the starting conditions of a direct injection internal combustion engine supplied with high pressure fuel through a supply circuit comprising a high pressure pump (5) interposed between a fue...
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WO/2000/029740A1 |
A method and apparatus for controlling a heated tip injector having a connector with more than two pins. In one embodiment, the method includes (a) providing a plurality of heated tip injectors each having a coil and an internal heater; ...
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WO/2000/020754A1 |
The invention relates to a fuel injection system (1) for an internal combustion engine and to a method for controlling an injection system. According to said method, the fuel that is not required by a common-rail (14) is returned via a r...
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WO/2000/019087A1 |
A method for causing a very fine atomization or vaporization of a liquid or liquid-like fluid, where the resulting atomized or vaporized solution is entered into engine, instrument or area for the fluid to be mixed. The ability of the ne...
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WO/1999/043950A1 |
The invention relates to a fuel injection valve (1) with a nozzle body (5), for injecting fuel directly into the combustion chamber (3) of an internal combustion engine. To this end, the inventive fuel injection valve can be introduced i...
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WO/1999/037486A1 |
An apparatus and method for forming a bubble (30) within a microchannel of a microinjector (12) to function as a valve mechanism between the chamber (14) and manifold (16), that provides for a high resistance to liquid exiting the chambe...
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WO/1999/031204A1 |
In one aspect, the invention is a composition of matter comprising a mixture of 5-50 % water and a hydrocarbon wherein the water/hydrocarbon mixture is near the critical point such that the mixture is a homogeneous single phase. A suitab...
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WO/1999/024707A1 |
A fuel evaporating device can be preferably used as a heating attachment on a central injection valve (SPI - Single Point Injection) of an internal combustion engine. The device (26) has a housing which encloses an evaporator structure (...
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WO/1999/017015A1 |
The invention relates to a heat protective jacket (11) for a fuel injection valve (5) which can be inserted in a locating hole (2) of the cylinder head (1) of an internal combustion engine. Said jacket has a body (12) which at least part...
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WO/1999/014486A1 |
The present invention relates to a fuel supply system for diesel engines that comprises a fuel supply pump (5) for discharging the fuel from a tank (1) as well as a fuel filter (7) and a high-pressure pump (9) which are serially connecte...
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WO/1999/007992A2 |
The invention seeks to improve the functioning of a piston internal combustion engine which uses heat vaporization of the fuel, (patent DE 195 00 184 C2) already in the starting and cold running phase. This is achieved by using a fuel pr...
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WO/1999/005411A1 |
A fuel injector has an internal heater (50) energized during cold starting to reduce emissions, the heater (50) being a ceramic hollow cylinder disposed within a valve body just upstream of a valve seat where fuel is injected through an ...
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WO/1999/005412A1 |
A method of preheating fuel in a fuel injector with an internal heater energized to reduce emissions. The heater (50) being a ceramic hollow cylinder disposed within a valve body (12) just upstream of a valve seat (34) where fuel is inje...
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WO/1998/040658A2 |
Disclosed is a method for fuel injection in multicylinder engines, whereby a fuel prepressure is built up to feed the fuel to an inertia line by using the pressure impulse principle and by means of cutoff valves in the inertia line, wher...
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WO/1998/032816A2 |
A device (1) for pre-conditioning fuel before it enters either an internal conbustion chamber or a furnace employs appropiate arrangements of magnets (8) and a heat exchanger. The in-line fuel conditioning apparatus comprises a cylindric...
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WO/1998/029651A1 |
The invention relates to a driving device for a lawn trimmer, comprising a two-stroke engine having an injection valve (12), a clutch (15), devices for aspirating and releasing air (17, 20, 22), and a fuel pump (18), as well as possible ...
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WO/1998/020246A1 |
The present invention relates to an internal combustion engine for vehicles fitted with an air inlet pipe (15) connecting with at least one combustion cylinder (10) to pump the combustion air. A restriction valve is mounted inside the ai...
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WO/1998/016730A1 |
The present invention relates to a longitudinal cylinder head (1) for mounting on, for example, a diesel engine having cavities (18) for injection units (2) and supply means for liquid fuel. The invention is characterized by only one lon...
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WO/1998/010184A1 |
Injection device (3) for a liquid fuel such as LPG, which evaporates while emerging from the injector (3). In order to ensure that at the outlet opening of the outlet pipe (5) of such an injector such low temperatures do not occur in the...
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WO/1997/039228A1 |
In order to improve a hand-guided appliance with a two-stroke internal combustion engine with direct electronic fuel injection in such a way that the fuel injection is optimised, it is proposed to fit a partition (19) bordering the cylin...
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WO/1997/037121A1 |
An internal heater for a fuel injector (10) includes an array of plates of a positive temperature coefficient (PTC) material (46) arranged about the valve element in a square tube shape, and surrounded by a heat insulating TeflonTM sleev...
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WO/1997/022799A1 |
The present invention relates to a fuel injection device for an internal combustion engine with an injection valve (10) with a spinner (16) allocated to its outlet aperture (21), so that fuel particles in an injected stream of fuel emerg...
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WO/1997/018390A1 |
The present invention relates to a fuel injection device for an internal combustion engine with a metering injection valve (10) and a fuel vaporiser (16) on the intake pipe side in front of an injection port (12) of the injection valve (...
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WO/1997/012146A1 |
The invention concerns a fuel-injection arrangement for an internal combustion engine comprising at least one combustion chamber (4) and at least one intake pipe (3) leading thereto, two fuel-injection valves (1a, 1b) opening into the in...
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WO/1997/000379A1 |
The invention concerns a fuel feed device for an internal combustion engine (9), comprising the following elements: an air intake device which includes an intake air-dosing device (16) and is provided with manifold pipes (13) which lead ...
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WO/1996/038516A1 |
Apparatus is disclosed herein for reducing engine nitrogen oxide emissions by mixing hydrogen prepared from a portion or all of engine fuel within a simple burner. The apparatus includes an insulated burner (10) having an internal combus...
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WO/1996/036836A1 |
The apparatus includes an insulated burner (11) having an internal combustion chamber (17) for receiving gaseous fuel or liquid fuel for mixture with air and subsequent ignition by a spark plug (27). The chamber is within a feed preheate...
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WO/1996/024764A1 |
The invention concerns a fluid proportioning and atomizing device which should be easy to manufacture and have a long useful life. High demands are also placed on the proportioning accuracy and quality of atomization. The device of the i...
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WO/1996/023968A1 |
In prior art injection valves, when the internal combustion engine is hot, especially on hot-starting or hot idling, fuel evaporates off upstream of the injection nozzle disc and at the injection nozzles, as a result of which the running...
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WO/1996/020342A1 |
The invention concerns a fuel injection unit for an internal combustion engine. The unit comprises an injection valve (10), a fuel vaporiser (16) into the intake aperture of which fuel can be injected by the inlet valve (10) and from the...
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WO/1995/032360A1 |
A process allows waste heat from an internal combustion engine to be recovered. At least part of the thermal energy contained in the exhaust fumes from a first stroke and in the engine block are used to evaporate a liquid injected into t...
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WO/1995/021324A1 |
A fuel injector (1) for a large two-stroke internal combustion engine has an elongated outer housing (2) for mounting in a water-cooled cylinder cover (51). A primary valve seat (18) for opening and closing the fuel injector is positione...
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WO/1995/017595A1 |
Fuel injection valves with venturi filters (50) for supplying fuel or fuel/gas mixtures to internal combustion engines are characterised in that they ensure a particularly high spray quality and remarkable fuel conditioning. In addition,...
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WO/1995/008395A1 |
Apparatus for vaporizing liquids to be burned in an internal combustion engine or furnace for the purpose of increasing fuel efficiency, improving cold weather starting and reducing pollution. The device may also be used in non-combustio...
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WO/1995/004883A1 |
A device for cooling the injectors of an electronic fuel-injection engine. The device consists of a fuel feed pipe (1) with a capillary tube (2) extending therefrom and into the injector connection pipe (3) through the original fuel feed...
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WO/1994/018614A2 |
A power fluid heating system according to this invention includes a heating apparatus (56) positioned within a power fluid container (20) having a first power fluid pickup conduit, a second power fluid pickup conduit positioned within th...
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WO/1992/016737A1 |
In a device for introducing especially self-igniting fuel into a combustion chamber of a single or multi-cylinder internal combustion engine by means of an injection or vaporisation nozzle for metered quantities of fuel, consisting of th...
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WO/1992/007182A1 |
The fuel injection pump has a piston (12) acting in a cylindrical boring (10) of a cylindrical bush (11). In the cylindrical boring (10), a pump working chamber (40) is limited by the piston (12) on one side and an electrically controlle...
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WO/1992/001150A1 |
A fuel flow arrangement has a fuel feed line (14) for feeding fuel from a tank (10) to an engine (12) with a fuel injection pump (20) by means of a pump (18), and a fuel return line (16) for returning excess fuel from the engine to the t...
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WO/1991/019085A1 |
An internal combustion engine provided with an electrically heated heating member on which fuel strikes and which is disposed in the combustion chamber. An electrically heated heating member (13) is disposed in a cavity (7) formed on the...
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WO/1991/019083A1 |
An internal combustion engine provided with an electrically heated member against which fuel collides in a combustion chamber. An electrically heated member (13) is provided in a cavity (7) formed in the top surface of a piston (2), and ...
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WO/1990/013741A1 |
A fuel distributor for fuel injection systems in internal combustion engines has an elongated distributor housing (11) with a plurality of receiving holes (12) arranged at an axial distance apart, each of which receives a fuel injection ...
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WO/1990/012954A1 |
A method and apparatus for operating an internal combustion engine fuel injection system wherein fuel is cyclically injected directly into an engine combustion chamber through a selectively openable nozzle, whereby the nozzle is periodic...
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WO/1990/004716A1 |
In prior-art injection nozzles effective cooling of the nozzle base is needed to limit the fouling of the jet. It is the purpose of the invention to design the heat protection disc (40, 60) in such a way that a larger area of the nozzle ...
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WO/1990/004100A1 |
Fuel injection devices have the problem that the heating temperature of the air sucked in is limited by the heat resistance of the material of the glow body or heater body. The higher this temperature, however, the lower the toxic emissi...
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