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WO/2003/031794A1 |
A fuel injection system and method to reduce NOx and smoke emissions from a compression ignition engine by co-injecting water and an oxygenated fuel during steady state and transient engine conditions.
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WO/2003/029627A1 |
A method for controlling an internal combustion engine, and an internal combustion engine, comprising at least one cylinder (1), a reciprocating piston (16) arranged in the cylinder (1), a combustion chamber (15) delimited by the cylinde...
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WO/2003/027005A1 |
A plasmatron-catalyst system. The system generates hydrogen-rich gas and comprises a plasmatron (10) and at least one catalyst (22, 24, ..., 26) for receiving an output from the plasmatron to produce hydrogen-rich gas. In a preferred emb...
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WO/2003/025374A1 |
A diesel engine (1) provided with a NOx catalyst (28A) and a diesel particulate filter (28B) performs lean burn operation during normal running, rich burn operation during regeneration of the NOx catalyst (28A), operation under the stoic...
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WO/2003/025369A1 |
The invention relates to a reciprocating piston engine (1; 1a, 1b, 1c) comprising at least one unit (2, 3, 4, 5) consisting of cylinders and pistons, which are arranged in a rotor housing (6) so that they can rotate about the rotational ...
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WO/2003/021137A2 |
The invention relates to a cooled ring carrier that is cast into a piston for internal combustion engines. According to the invention, the zone of the ring carrier facing the cooling channel is coated, thereby preventing air from escapin...
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WO/2003/018980A1 |
In an eco-run control, determination of a stop of an internal combustion engine (1) is reliably and promptly made. An internal combustion engine stop-start control apparatus for executing a control of stopping the internal combustion eng...
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WO/2003/019049A1 |
A steel monobloc piston for diesel engines is formed with a relatively short piston skirt whose lower edge resides below the axis of the pin bores of the piston, but located at or above a lowest tangent point of the pin bores. The piston...
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WO/2003/014542A1 |
The invention relates to an internal combustion engine (1) comprising at least one cylinder (3) having a combustion chamber (2), a manifold (10) for guiding exhaust gases, and especially one catalyst (11) and/or especially one catalytica...
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WO/2003/014559A1 |
The aim of the invention is to optimize the fuel distribution within the combustion air and to avoid the formation of liquid fuel nuclei. Direct fuel injection using two or more injector nozzles per combustion chamber is used in heat eng...
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WO/2003/012265A1 |
A method of controlling an internal combustion engine for warm-up of catalyst of an exhaust gas treatment device is disclosed. The method comprises generating a warm-up demand for heating the catalyst subject to constraint on stable comb...
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WO/2003/010423A1 |
A combustion chamber assembly for use in a diesel engine includes a combustion chamber (14) being defined in a crown (12) of a piston (10), the piston (10) having a central axis (16, 18, 518, 524), the combustion chamber (14) having a ce...
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WO/2003/008777A1 |
The invention relates to a method for operating an internal combustion engine, an air/gas mixture being introduced into the working chamber thereof and ignited by means of an ignition system. The above is carried out whereby the air/gas ...
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WO/2003/008778A2 |
The invention relates to a method for burning fuel in an internal combustion engine, especially for cars or lorries. Said method comprises the following steps: a) the fuel (F) is directly injected into a central area (8) of a combustion ...
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WO/2003/008776A2 |
In the operation of a diesel engine, a mixture of air and fuel (60, Fig. 4) is flowed into each cylinder during the intake stroke when air alone normally would be flowed in. However, the mixture is lean so it does not ignite as the mixtu...
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WO/2003/008780A1 |
Combined fuel cell - piston engine plant (1) comprising a internal combustion piston engine unit (2) having at least a process input gas inlet (4) and a process output gas outlet (5), a turbo-charging system (6) having at least a process...
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WO/2003/008341A1 |
The aim of the invention is to provide a device which enables pairs of permanent magnets which can be formed at will to be arranged in a structural unit, the intensity of the field arrangement and the line of action being variable. To th...
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WO/2003/006809A1 |
The object of the present invention is to provide a diesel engine control system and control method capable of conducting accurate fuel injection unaffected by variations in injector performance caused by differences among individual inj...
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WO/2003/001046A2 |
The invention relates to a turbo-charged diesel engine (1) in which the charge air (12) is cooled by an intercooler (5), embodied as an injection cooler. The water which is introduced into the working substance of the diesel engine in th...
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WO/2002/103197A1 |
The fuel injection device comprises a fuel high pressure pump (10) and a fuel injection valve (12) for a cylinder of the internal combustion engine. The high pressure pump (10) has a pump working chamber (22) and the fuel injection valve...
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WO/2002/101213A1 |
A system and assembly for modifying a diesel powered electric generator preferably of the reciprocating engine type (30) to the extent that the generator is capable of running on either 100% diesel fuel or in a 'bi-fuel' mode which is de...
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WO/2002/101214A1 |
A bi-fuel control system and assembly for modifying and operating a diesel engine (30) to the extent that the engine is capable of running in either a full diesel fuel diesel mode or a bi-fuel mode, where bi-fuel is defined as a mixture ...
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WO/2002/101224A1 |
Process for the heating and double electromagnetic polarization for liquid and gaseous fuel, comprising the phases of a controlled heating of the fuel at a determined temperature, comprised between 30°C and 65°C, a passage of the fuel ...
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WO/2002/101201A1 |
A reciprocating rotating engine (1) having a combustion chamber and a pumping chamber (28) is provided with two sets of free pistons and pumps vanes (13) each set having two pistons and two pumps vanes (13). The two sets of pistons an pu...
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WO/2002/099258A1 |
The invention relates to an internal combustion engine comprising a compression space (3), which is delimited by fixed housing walls (1, 2) and by a piston (5) displaceably mounted therein, and comprising a porous body (4) that fills up ...
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WO/2002/099266A1 |
The system is based on the use of the electrical resistances that heat the air needed for the combustion process of the engine during starting of said engine. Each resistance (7) is embodied in the form of a thin, considerably wide conti...
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WO/2002/097255A1 |
A compression ignition internal combustion engine, comprising a combustion chamber (16) allowing air and fuel supplied therein, an intake valve (19a) opening and closing a passage between an intake port (6) communicating with the combust...
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WO/2002/095210A1 |
A method for fuel injection in a four-stroke combustion engine (1) of piston-and-cylinder type with compression ignition, whereby a specified fuel quantity is supplied to a combustion chamber (2) for each working cycle, and whereby EGR g...
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WO/2002/095209A1 |
The invention relates to an exhaust gas recirculation device (24) for an internal combustion engine (12), especially for a motor vehicle (10), comprising an exhaust gas recirculation line (26) for recirculating exhaust gas (18), said lin...
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WO/2002/090750A1 |
A conversion system to convert liquid fuel to gaseous fuel, particularly for diesel engines converted to run on liquid gas. The system includes a heat exchanger (39) using engine coolant to convert liquid fuel to gas. Flow of the liquid ...
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WO/2002/090727A1 |
The present invention provides an apparatus and method for selective control of gas flow in a combustion chamber (70) in an internal combustion engine (10) through a moveable or retractable seat valve (300) that is independent of piston ...
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WO/2002/090744A2 |
The controller (41) selects premixed combustion or diffusive combustion of the diesel engine (1) based on the running state detected by a sensor (33, 34) (S4, S5). The controller (41) calculates the target oxygen concentration and the ta...
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WO/2002/088535A1 |
Multiple fuel charges are injected into a diesel engine combustion chamber during a combustion cycle, and each charge after the first has successively greater injection pressure (a higher injection rate) than the prior charge. This injec...
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WO/2002/088528A1 |
A diesel locomotive engine having a piston with a unique bowl geometry. The bowl is defined in part by a center portion having a partial spherical shape. A cone portion (22) is located adjacent the central portion. An annular toroidal su...
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WO/2002/086297A1 |
The present invention relates to a method of operating a four-stroke internal combustion engine comprising the steps of: closing an exhaust valve (16) prior to the end of the exhaust stroke to trap combusted gases in a combustion chamber...
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WO/2002/084092A1 |
The invention provides an internal combustion prime mover system which achieves an increased output and an improved thermal efficiency by increasing the fuel injection rate while maintaining the combustion highest temperature in the cyli...
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WO/2002/081882A1 |
The object of the invention is to provide an operating method of an internal combustion engine with critical water injection, in which the advantage of critical water is positively utilized to increase engine efficiency and output in add...
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WO/2002/081602A1 |
A method for forming a water/fuel mixture includes heating a water stream to a temperature of at least about 260° C (500° F) and a pressure of at least about 150psig (10.2 atmospheres gauge) and combining it with a fuel stream, optiona...
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WO/2002/081895A1 |
A fuel delivery system for supplying liquid gas fuel to an engine is disclosed. The fuel can be supplied solely to the engine or together with diesel fuel. The fuel delivery system includes an injector (20) for receiving the liquid gas, ...
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WO/2002/081894A2 |
A method and apparatus for the operation of a fuel flow system, including a recycling path (14) and a cooler (15), comprising&colon sensing the temperature of the fuel&semi and inserting the cooler (15) in the recycling path (14) when th...
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WO/2002/079627A1 |
The invention relates to an internal combustion engine (1) comprising a piston (14), which is characterised in that the piston head (38) is separated from the piston skirt (33) by a separation joint (F). A retaining spring (49) acts as t...
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WO/2002/079623A1 |
The invention relates to a method of controlling the injection of a fluid into an internal combustion engine (1), comprising a piston (3) reciprocating in a cylinder (2) between top and bottom dead center points, and a nozzle (4) arrange...
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WO/2002/079636A1 |
The invention relates to an injection valve, particularly an injection valve for an internal combustion engine, comprising at least one nozzle body (4), in which a nozzle needle (5) is guided in an axially displaceable manner, and an at ...
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WO/2002/079622A1 |
The invention relates to a method of operating an internal combustion engine (1), especially a motor vehicle. In order to allow for a safe and reliable self-ignition of the fuel-air mixture present in a combustion chamber (4) of the inte...
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WO/2002/075141A1 |
The invention relates to a device for humidifying the intake air of internal combustion engines that are equipped with a turbocharger. The device comprises a humidifying unit (14, 16) through which the intake air and humidifying liquid f...
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WO/2002/073005A1 |
A stream/vapour positive displacement cogeneration unit is composed of a partly modified motoric mechanism of a piston-type reciprocating rotational machine and of a stream/vapour working cylinder (10) with a double-acting piston (11), o...
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WO/2002/073014A1 |
An internal combustion engine is disclosed having exhaust 16 and intake 14 poppet valves in which the valve events relative to the rotation of the engine crankshaft are selectable such that the engine may be switched between a two-stroke...
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WO/2002/073013A1 |
The invention relates to a method for cleaning exhaust gases from a combustion engine, in which method humid air is fed into the combustion chamber of the combustion engine. In order to reduce nitrogen emissions effectively, particularly...
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WO/2002/066806A1 |
The invention relates to a reciprocating piston machine with at least one main piston (5) disposed in an associated cylinder (4). A hydraulic system comprising at least one first hydraulic piston (8) appended to the main piston (5) is as...
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WO/2002/066807A1 |
The invention relates to a reciprocating piston engine with at least two opposed main pistons (5) that define a common working room (6). Said pistons interact with a rotatable organ (3) via separate hydraulic systems that contain one liq...
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