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WO/2004/099591A2 |
The invention relates to a method of controlling a heat engine (30) comprising: a combustion chamber (31); fuel injection means (51); oxidant (41) intake means (34, 35); exhaust means (43, 44) for the exhaust gases (50); and recycling me...
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WO/2004/092651A2 |
Method for reducing pollution emissions and increasing fuel economy for carbon-based combustion processes. Embodiments of the invention comprise combinations of an airborne catalyst blend with various fuel and/or oil filters to produce u...
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WO/2004/092556A1 |
In an internal combustion engine an ignition device (30) is disposed within the combustion chamber (13) in close proximity to a fuel injection nozzle (20). The ignition device (30) comprises a sleeve (34) that provides a shielded space (...
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WO/2004/090305A1 |
A combustion unit (15) is primarily intended to feed a turbocharger (18) to generate a compressed air supply to an internal combustion engine (10). The unit (15) is suppplied with exhaust gasses from the engine and these gases are mixed ...
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WO/2004/090316A1 |
The invention relates to a petrol internal combustion engine with controlled ignition, comprising at least one cylinder (1), a cylinder head (2), sealing the cylinder (1), a piston (3), a combustion chamber (4), a petrol injection means ...
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WO/2004/090319A2 |
A diesel engine anti-wear lubricant oil additive composition that includes organometallic compounds of Cu, Ce, etc., is used to catalytically burn-off diesel particulate matter (PM) collected by diesel particulate filter (DPF). A fuel bo...
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WO/2004/088109A1 |
The invention relates to a method for operating an internal combustion engine consisting in directly injecting fuel in a combustion chamber as pre-injection main injection and optionally post-injection, with the aid of an injector nozzle...
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WO/2004/083613A1 |
In a multi-mode, multi-cylinder engine operable in both homogeneous charge compression ignition (HCCI) mode (430) and spark ignition (420, 450) or diesel combustion mode (420, 450), an apparatus and method is provided to individually, in...
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WO/2004/079179A2 |
A fuel injector for an internal combustion engine has multiple control valves with a single valve actuator. The valves may be packaged in an injector assembly with an economy of space and a simplified assembly procedure during manufactur...
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WO/2004/076840A1 |
The invention concerns a method for optimizing the operating mode and combustion mode of a diesel engine with regard to a minimal emission of pollutants involving common rail injection and including the use of an exhaust gas turboblower....
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WO/2004/074660A1 |
A method of operating an internal combustion engine (110), including at least one cylinder (112) and a piston (212) slidable in the cylinder (112), may include supplying a mixture of pressurized air and recirculated exhaust gas from an i...
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WO/2004/074645A1 |
The invention relates to piston internal combustion engines working on the 4-stroke diesel cycle, force-fed by one or more turbocompressors and provided with at least one inlet valve and one exhaust valve per cylinder, the lift of which ...
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WO/2004/072457A1 |
The injection relates to a direct injecting internal combustion engine, especially a diesel engine, more particularly of a motor vehicle, comprising a throttle valve (14) arranged in an inlet pipe (12) and a bypass channel (18) bypassing...
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WO/2004/063545A1 |
A method of controlling a premix compression self-igniting internal combustion engine in which intake air and fuel are mixed in advance in a combustion chamber and the mixture is self-ignited by compression. Optimal self-ignition timing ...
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WO/2004/061273A2 |
A method for controlling the temperature and/or space velocity of exhaust gas provides control of the maximum temperature of the exhaust gas to prevent thermal damage to the Diesel engine components and associated aftertreatment devices ...
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WO/2004/061289A1 |
The invention relates to a constructively simple, economical fuel filter, especially a diesel filter, comprising at least one fuel inlet (2), at least one fuel outlet (3), means for separating water from the fuel, at least one pan (5) an...
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WO/2004/059154A1 |
The invention relates to an internal combustion engine having auto-ignition in which the fuel is directly injected in the form of several fuel streams by means of a fuel injection nozzle into the combustion chamber (4). The wetting of th...
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WO/2004/059131A2 |
Methods and apparatus for providing bleeder-type and compression-release engine braking in an internal combustion engine are disclosed. For bleeder-type engine braking, the exhaust valve is maintained at a small and relatively constant l...
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WO/2004/059158A1 |
An aspirator (7) is provided at a lower position than an oil sump chamber (11) and an over flow fuel pipe (81), and therefore DME fuel remaining in the oil sump chamber (11) and the over flow fuel pipe (81) can be efficiently recovered t...
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WO/2004/055349A1 |
The invention relates to a method for monitoring an internal combustion engine (1') which is provided with an injection system, in particular for preventing diesel knock in a Diesel engine. The inventive method consists in developing a t...
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WO/2004/053314A1 |
The invention teaches a method of desulphating a NOx trap, which comprises passing a reducing gas through the NOx trap while it is operating at a temperature in excess of a predetermined minimum, wherein the conditions necessary for desu...
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WO/2004/053313A1 |
A method and system are provided for reducing tailpipe emissions of a lean burn, multi-fuel engine (20) by improving the efficiency of an oxidation catalyst (50) of the engine through avoiding unnecessary cooling of the catalyst. For ins...
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WO/2004/044402A1 |
The device comprises first heat exchange means (30A) between a heat transfer liquid and the intake air and second heat exchange means (30B) between a heat transfer liquid and the recirculated exhaust gas. A principal heat exchanger (30) ...
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WO/2004/044406A1 |
An EGR equipped internal combustion engine (20, 220) is controlled to maximize the beneficial effects and minimize the detrimental effects of EGR on engine operation. Specifically, at least one parameter indicative of the O2 concentratio...
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WO/2004/044409A2 |
A piston particularly adapted for heavy-duty diesel engine applications is fabricated from separate parts having circumferentially extending joining surfaces that are heated prior to bonding to an elevated temperature sufficient to enabl...
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WO/2004/042218A2 |
A piston for an internal combustion engine of the high compression type, the piston having a body member defined by a cylindrical side wall and a lower end with means for connection to a piston rod and an upper end defining the piston he...
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WO/2004/038202A1 |
The invention relates to a system for aiding the regeneration of a NOx trap with NOx storage/release, which is built into an exhaust line (5) of a diesel engine (4) of a motor vehicle. The inventive system is characterised in that it com...
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WO/2004/038206A1 |
The invention relates to a cylinder head, through which coolant longitudinally or transversely flows, for a water-cooled multicylinder internal combustion piston engine. Said cylinder head comprises a cavity, which overlaps the cylinder ...
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WO2003046344A9 |
A method and a device for fuel injection in a supercharged four-stroke combustion engine of piston-and-cylinder type with compression ignition (1), whereby a controlled fuel quantity is supplied to the combustion chamber (2) for each wor...
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WO/2004/031566A1 |
The invention relates to a magnetic conditioning device for diesel engine fuel comprising a hosing element, placed along the fuel feeding line, having a fuel inlet and a fuel outlet, and providing a septum in correspondence of the inlet ...
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WO/2004/031562A2 |
The invention relates to a cylinder head (1) for a direct injection internal combustion engine, which has a fuel injection nozzle (5) that is vertically arranged between two camshafts. The cylinder head is provided with a cylinder head c...
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WO/2004/031548A1 |
In conventional automobile diesel engines, efforts have been made to reduce harmful substances contained in exhaust gases mainly by improving combustion in the engine itself; however, it has been very difficult to satisfy the exhaust res...
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WO/2004/031554A1 |
Disclosed is an obstruction for use in a combustion chamber of an internal combustion engine. The obstruction is provided and located within the chamber to generate turbulence and break-up or disrupt the soot rich zone within a directly ...
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WO/2004/031572A1 |
Disclosed is a glow member, preferably in the shape of a ring, to assist ignition and combustion of a fuel used in an internal combustion engine. A fuel injection valve injects a plurality of fuel jets directly into a combustion chamber ...
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WO/2004/031553A1 |
Disclosed is a method and apparatus to generate turbulence and impact on soot rich zone within a burningfuel jet within a combustion chamber of an internal combustion engine. A reservoir is disclosed foraccumulating charge and projecting...
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WO/2004/029431A1 |
The aim of the invention is to provide a drive connection with high torsional rigidity and low flexural strength between the crankshaft (3) of a diesel engine and the rotor (1) of an electric generator, in such a way that bending vibrati...
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WO/2004/029428A1 |
The invention relates to a method for operating an internal combustion engine with direct fuel injection. According to said method, air and a first quantity of fuel are supplied to a combustion chamber such that a homogeneous basic lean ...
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WO/2004/029429A1 |
A component for a turbocharger (12) includes a housing (14) defining a chamber (16) for a predetermined part of the turbocharger (12). A jacket (24) surrounds the housing (14) and is arranged in a spaced relationship relative to an outer...
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WO/2004/027256A1 |
A diesel engine with a fuel injection nozzle for DME fuel capable of running an existing light oil fuel diesel engine vehicle as a DME fuel diesel engine vehicle easily at a very low cost without replacing a complete diesel engine, where...
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WO/2004/027249A1 |
The invention relates to a fuel injection system for an internal combustion engine and a cylinder head for such a fuel injection system, whereby a central fuel reservoir (1) is provided between a supply pump (2) and a number of injectors...
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WO/2004/027237A2 |
The invention relates to two methods for forming a fuel/air mixture of a direct-injection internal combustion engine having spark ignition. The first method provides that, during a homogeneous operation of the internal combustion engine,...
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WO/2004/024336A1 |
The present invention provides a system comprising an atomizer for producing a mist of sub-micron sized fluid droplets. Also provided by the present invention are fluid delivery systems, a system for treating an exhaust stream by injecti...
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WO/2004/025096A1 |
A process for treating exhaust gas from a compression ignition engine wherein substantially all fuel for combustion is injected into a combustion chamber prior to the start of combustion comprises contacting the exhaust gas with a cataly...
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WO/2004/025093A1 |
A compression ignition engine operable in a first, normal running mode and a second mode producing exhaust gas comprising an increased level of carbon monoxide (CO) relative to the first mode and means when in use to switch engine operat...
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WO/2004/025108A1 |
An additive injector device for internal combustion engines of the type associated to an additive tank and being apt to inject in a gaseous stage said additives, which are apt to change the chemical-physical properties of combustion and ...
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WO/2004/022959A1 |
In-cylinder pressure sensors (29a-29d) for detecting pressure in combustion chambers are provided in each of the cylinders of a diesel engine (1). An electronic control unit (ECU)(20) of the engine selects the most adequate combustion pa...
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WO/2004/018863A1 |
An Exhaust Gas Recirculation (EGR) system (10, 12) for an internal combustion engine (14) is provided. The EGR system (10, 12) utilizes a turbocharger (100) having a compressor (80) with more than one stage. The first stage (34) of the c...
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WO/2004/017006A2 |
The invention relates to a heat exchanger that is designed to be mounted to the air intake system of a heat engine. The inventive exchanger consists of a body (12) which is divided into a first part (14) comprising circulation passages (...
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WO/2004/015248A1 |
An engine control system (22) of a diesel engine (20) that powers a motor vehicle processes data in execution of a strategy (Figure 4) to provide control of both timing and duration of forced regeneration of a diesel particulate filter (...
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WO2003074847B1 |
An exhaust emission control system having an internal combustion engine, a filter, and an exhaust pipe, a method of manufacturing a filter suitable for the system, and a method of calculating the pressure loss of the filter, the system c...
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