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WO/2009/150512A1 |
Needles include a cylindrical outer needle that is brought into contact with and moved away from a nozzle body (113) to open and close an injection hole (1132) and an inner needle (112), slidably inserted in the outer needle (111), that ...
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WO/2009/127850A1 |
A fuel injector mountable with respect to a combustion chamber for delivering fuel thereto, the combustion chamber comprising a chamber ceiling (30) and a chamber wall, the fuel injector comprising a nozzle body (21) having a primary noz...
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WO/2009/092690A1 |
An injection nozzle (30) for a compression-ignition internal combustion engine, the injection nozzle (30) comprising: a nozzle body (32) provided with a bore (35) within which a valve needle (34) is movable along a primary valve needle a...
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WO/2009/091685A1 |
A fuel injection device (100) and associated method are provided. An injector body (102 ) defines an axial bore and has a nozzle exit (112) extending into the combustion chamber. The injector body (102) receives fuel within the bore and ...
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WO/2009/087453A1 |
A fuel injection valve (1) has: a nozzle body (4) that has a first injection hole (2) and a second injection hole (3); a first needle (5) that is movably arranged in the nozzle body (4) and opens and closes the first injection hole (2) b...
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WO/2009/075917A1 |
A fuel injector is coupled to an engine. The fuel injector includes an injection opening configured to vary in cross-section between a open state and a fully closed state. The fuel injector is configured to provide a plurality of discret...
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WO/2009/074069A1 |
A compression ignition engine (10) has a combination of a dual spring fuel injector (17), a piston (13) with dual piston rings (15,16), a turbocharger (21), an exhaust gas recirculation system (25) and an air-to-air after cooler (20). Th...
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WO/2009/074397A1 |
The invention relates to a method for operating an internal combustion engine comprising at least one injection valve (11) with an electrically controlled actuator (12), the injection valve (11) having a non-linear progression of the rel...
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WO/2009/031713A1 |
At the communicating time of a fuel discharge passage (C3) by a control valve (48), fuel flows from an outer control chamber (R2o) via a communication passage (47) into an inner control chamber (R2i), and flows from the inner control cha...
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WO/2009/007595A2 |
The invention relates to an injector including a needle mounted in a nozzle and having an end defining a valve, the needle being connected at the other end to an actuator including first, second and third portions, the first and third po...
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WO/2009/007596A2 |
The invention relates to a fluid injection device (131) having a main injection axis (AB) and including at least: a housing (1); an actuator (2) axially mounted in the housing (1) and comprising a stack with two axially opposed front fac...
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WO/2008/155648A1 |
The temperature at the tip of a fuel injection valve (31) is estimated based on first to third parameters. The first parameter is a parameter that indicates the combustion temperature, such as the fuel injection amount and the combustion...
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WO/2008/152488A1 |
A control device (5) for an internal combustion engine including a fuel injection device (3) is provided. The fuel injection device (3) includes an injection hole (31b, 31c), and is configured to inject fuel from the injection hole (31b,...
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WO/2008/152314A2 |
The invention relates to an injector comprising a nozzle that includes an opening and a seat, a needle movably mounted in the nozzle and having an end defining a valve in a contact area with the seat, a means for vibrating the valve, a f...
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WO/2008/141237A1 |
Multiple intensifier injectors with positive needle control and methods of injection that reduce' injector energy consumption. The intensifiers are disposed about the axis of the injectors, leaving the center free for direct needle (20) ...
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WO/2008/135339A1 |
The invention relates to a fuel injection system for an internal combustion engine having a high pressure pump (14), a high pressure accumulator (18), a plurality of fuel injectors (20), a hydraulic pressure booster (10), and having a co...
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WO/2008/133355A1 |
In an internal combustion engine, discharge of unburnt fuel components is suppressed. The number of execution times of sub-fuel injection is altered based on the operating region to which the operating state of the internal combustion en...
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WO/2008/128884A1 |
The invention relates to a fuel injector (10) for injecting fuel into the combustion space of an internal combustion engine. An injection valve element (32) is actuated by the relief of pressure in a control space (40), which is applied ...
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WO/2008/125934A1 |
A fuel injection valve (2) includes a first injection hole group (14), a second injection hole group (15), a control chamber (20), a first needle valve (12), and a second needle valve (13). The first needle valve (12) opens/closes an inj...
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WO/2008/122882A2 |
An outer needle valve (42) and an inner needle valve (43) face on back sides thereof an outer control chamber (R2) and an inner control chamber (R3), which are independent of each other, respectively. An outer fuel outflow passage (C4) a...
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WO/2008/114129A2 |
A control device (engine control device 5) for an internal combustion engine (2) includes a carbon particulate matter amount output portion (smoke sensor 53) that produces an output that indicates the floating carbon particulate matter a...
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WO/2008/104774A2 |
The present invention relates to a method of operating an internal combustion engine. With reference to Figure 1, fuel is supplied to charge air using an injector (116) which in each operation delivers a set amount of fuel. The amount of...
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WO/2008/098276A1 |
In a pump element, particularly an in-line injection pump, for injecting fuel in the combustion chamber of an internal combustion engine, comprising a pump cylinder (2) having a pump chamber (10), a pump plunger (3) guided in the pump cy...
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WO/2008/100212A1 |
The present invention relates to an arrangement and a method for a combustion engine. The arrangement comprises a combustion space (3), an inlet valve (9) by which it is possible to supply a gaseous medium which contains oxygen to the co...
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WO/2008/088416A1 |
The present disclosure provides an internal combustion engine (10) having an engine housing (12) with at least one cylinder (14, 114) that has diameter less than about 3 inches. A fuel injector (16, 116) is provided and disposed at least...
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WO/2008/068093A1 |
The invention relates to a fuel injector (10) for injecting fuel into a combustion chamber of an internal combustion engine. An injection valve element (42) is actuated via pressure relief of a control space (36). Said control space (36)...
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WO/2008/059730A1 |
Operation feeling and travel feeling are enhanced by avoiding a change in the number of steps of pilot jet during transient response of an engine. When pilot jet is started, a decision is made whether the most recent quantity of fuel inj...
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WO/2008/056225A1 |
A fuel injection device (1) includes a fuel injection valve (2) that injects fuel, and is provided with a first nozzle hole (9) and the second nozzle hole (10), which are controlled independently of each other to inject the fuel. The fue...
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WO/2008/038118A1 |
A direct injection spark ignition internal combustion engine includes a fuel injection valve (1) and fuel injection controlling means for controlling fuel injection such that a fuel is injected from the upper area of an engine cylinder t...
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WO/2008/031727A1 |
A generally accepted and appropriate means to reduce pollutant emissions and consumption of passenger cars diesel engines is to apply multiple injection strategies. Assuming constant cylinder and bowl geometry and constant rail pressure ...
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WO/2008/026402A1 |
[PROBLEMS] A method of controlling a common rail fuel injection device, providing the maximum exhaust cleaning effect etc. by pilot injection without adverse effect of the pilot injection to main injection during engine operation. [MEANS...
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WO/2008/004019A1 |
This nozzle assembly (1) comprises a first needle (11) and a second needle (12) controlling respectively fuel flow towards a first series of outlets (213) and a second series of outlets (223). It includes a passive control valve (18) ada...
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WO/2007/110232A1 |
A combustion process for an internal combustion engine, in particular a compression-ignition internal combustion engine, is distinguished by the fact that preinjection is effected into regions of the combustion chamber different from the...
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WO/2007/105991A1 |
The invention relates to a fuel injection system for an internal combustion engine, for providing an injection event comprising a first stage and a second stage via a single nozzle (10). The nozzle is connected by its inlet port (9) to a...
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WO/2007/104366A2 |
The invention relates to a fuel injection valve for internal combustion engines comprising a hollow needle (7) for opening and closing at least one external injection opening (8) which interacts with a valve seat (4). An internal needle ...
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WO/2007/098989A1 |
Proposed is a fuel injector for an internal combustion engine having an actuator (30) which directly actuates a nozzle needle (15). The actuator is connected to a coupler piston (31) and is arranged in an injector body (10). The coupler ...
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WO/2007/068517A1 |
The invention relates to a fuel injector having an injector housing (1) which comprises a high-pressure fuel passage (12) which is connected to a high-pressure space (10) inside the injector housing, from which, as a function of the pres...
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WO/2007/056832A1 |
A fuel injection system is described for introducing a fuel or the components of the fuel to an engine either separately or in combination of two or more different components in which a co-injector is used for substantially simultaneousl...
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WO/2007/055805A1 |
A fuel system (12) for a work machine (5) is disclosed. The fuel system has a fuel injector (32), a first source (30a) of fuel at a first pressure, a second source (30b) of fuel at a second pressure, and a pressure control device (102). ...
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WO/2007/055791A1 |
A fuel injector (32) for a work machine (5) is disclosed. The fuel injector has nozzle member (56) having at least one orifice (84) and a needle valve element (58) having a tip end (86). The needle valve element is axially movable to sel...
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WO/2007/038811A1 |
Disclosed is a device for injecting fuel into the combustion chamber of an internal combustion engine. Said device comprises an injector nozzle (5) and a nozzle needle (7) which is guided so as to be longitudinally movable in the injecto...
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WO/2007/027331A1 |
A common rail (16) single fluid fuel injection system (12) includes fuel injectors (14, 114) with a single electrical actuator (42) but the ability to produce ramp, square and split injection rate shapes. This is accomplished by includin...
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WO/2007/017303A1 |
Fuel injection valve for internal combustion engines, having a housing (1), in which an outer valve needle (20) is arranged which interacts by way of an outer sealing face (27) with a valve seat (18) in order to control at least one oute...
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WO/2007/017335A1 |
The invention relates to a fuel injector (10) having a complex injection valve member (14) for injecting fuel into a combustion chamber (54) of an internal combustion engine. The complex injection valve member (14) comprises an outer par...
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WO/2007/010166A2 |
The invention concerns a fuel injection device for internal combustion engine. The fuel injection device for internal combustion engine comprises an injecting head integral with the end of a needle (3) mobile in translation inside an inj...
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WO/2007/008281A1 |
A method of operating an internal combustion engine (10) is provided. The method includes injecting a first fuel charge into at least one cylinder (20) of the engine (10). The method further includes determining a value indicative of at ...
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WO/2007/003458A1 |
The invention relates to a fuel injection valve with a valve body (2) inside of which a valve needle (4) is placed in a manner that enables it to be longitudinally displaced, this valve needle interacting with a valve seat (7) for contro...
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WO/2007/000371A1 |
The invention relates to an injector (7) in which a pressure intensifier (17) can be switched on or off so that not only the injection duration but also the course of the injection pressure can be controlled with broad limits during the ...
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WO/2006/136152A1 |
The invention relates to a method and a device for the direct injection of fuel into reciprocating internal combustion engines, the injected fuel being gasoline, diesel, or combustion gases (e.g. natural gas). The aim of the invention is...
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WO/2006/130195A1 |
An ultrasonically operated valve (10) has a source of ultrasonic energy for excitation of a pressurized liquid. The vibration of the ultrasonic horn (60) imparts a pulsing of the pressure of the liquid within the valve (10). Selection of...
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