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7628344 Fuel injector with VOP loss resistant valve spring for emissions-compliant engine applications  
A fuel injector assembly for an emissions-based EMD 710 locomotive dieselengine. The fuel injector assembly includes a needle slidably positioned within a bore of a valve body of the injector...
7621469 Automotive modular LPG injector  
A fuel injector for use with LPG or other volatile fuels has fuel inlets through a cylindrical wall of a valve group tube assembly. Fuel venting is along a longitudinal axis of the fuel injector to...
7575180 Injection valve having a bypass throttle  
The invention relates to an injection valve, comprising a control chamber ( 15 ) with a control piston ( 16 ) that is functionally linked with a nozzle needle ( 35 ). The control chamber ( 15 ) is...
7564169 Piezo actuator and associated production method  
A support assembly for a piezoelectric actuator ( 15 ), in particular for a piezoelectric actuator for driving an injector for the injection system of an internal combustion engine has a holder ( 5...
7552880 Fuel injector with a deep-drawn thin shell connector member and method of connecting components  
A fuel injector has a housing extending along a longitudinal axis between an inlet and an outlet. The housing has an elongated member connected to a body by a thin shell connector member with a...
7552909 Fuel injector with adjustable-metering servo valve for an internal-combustion engine  
An injector with an adjustable-metering servo valve is provided. The injector has a shutter actuated by an armature of an electromagnet. The armature is mobile for an opening stroke defined by a...
7533830 Control system and method for operating an ultrasonic liquid delivery device  
In a control system and method for operating an ultrasonic liquid delivery device a first drive signal is delivered according to a first drive signal control schedule to an ultrasonic waveguide...
7530508 Fuel injection valve  
In a fuel injection valve, a fuel guide member facing the valve hole is connected to an injector plate, and an annular diffusion chamber is formed between a valve seat member and the injector...
7527211 Fuel injector with clamping sleeve as a stop for a valve needle  
A method for producing a fuel injector and a fuel injector for internal combustion engines, having a control valve with an electromagnetically actuatable valve needle; a coil is received in a...
7514847 Piezo actuator comprising means for compensating thermal length modifications and fuel injection valve comprising a piezo actuator  
In an actuator unit, the piezo actuator ( 1 ) is located inside a tubular spring ( 3 ) under pre-stress. To compensate the thermal length modifications of the piezo actuator ( 1 ) in relation to...
7506825 Fuel injector control system  
A control system for a fuel injector is disclosed. The control system has a nozzle member with at least one orifice, and a needle check valve. The needle check valve is recipratingly disposed to...
7484672 Coatings for use in fuel injector components  
A coating for fuel injector components adapted for use with low lubricity fuels is disclosed. The invention consists of a metal carbon material coating or a metal nitride coating to the fuel pump...
7475829 Nozzle clamping nut for injection valves and method for producing said nozzle clamping nut  
A nozzle clamping nut for an injection valve comprises two sections in the longitudinal direction, having different-sized free inner diameters (D 1 , D 2 ). A shoulder forms a bearing surface ( 9 )...
7472844 Fuel injector nozzle with tip alignment apparatus  
A fuel injector nozzle assembly is disclosed. The assembly may include a nozzle casing, a first tip member, and a second tip member. The first tip member may extend longitudinally within the nozzle...
7469845 Fluidic flow controller orifice disc for fuel injector  
A fuel injector is described. The fuel injector includes an inlet, outlet, seat, closure member, and a metering orifice disc. The metering orifice disc is disposed between the seat and the outlet....
7467749 Methods and apparatus for injecting atomized reagent  
The present invention provides methods and apparatus for injecting reagent, such as an aqueous urea solution, into an exhaust stream in order to reduce oxides of nitrogen (NOx) emissions from...
7464886 Electrically operated injector for gaseous fuel  
An electrically operated injector ( 1 ) for feeding a gaseous fuel to a cylinder of an internal combustion engine, in particular for a motor vehicle, includes an electromagnetic actuator ( 2 )...
7431226 Modular fuel injector with a harmonic annular damper member and method of reducing noise  
A fuel injector with various embodiments of a annular damper member that reduces noise generated between a valve group subassembly and a power group subassembly during operation of the fuel...
7431220 Injector for fuel injection systems of internal combustion engines, especially direct-injection diesel engines  
A fuel injector having a piezoelectric actuator in an injector body and held in contact with the injector body on one side and with a sleevelike booster piston on the other via first spring means....
7398933 Injection valve  
An injector, in particular an injector for a combustion engine, includes at least one nozzle module which has an injection nozzle and a supply line for a fluid under a supply pressure, and a...
7370816 Fuel injector  
A fuel injector includes a tube member and a valve element to slide axially in the tube member. The valve element includes a center portion and a plurality of plate portions projecting radially...
7364099 Fuel injection device for an internal combustion engine  
A fuel injection device for an internal combustion engine includes a housing and at least one valve element which cooperates with a valve seat on an injection end of the housing. A plurality of...
7357565 Fluid injector and mixer apparatus  
An improved injector which mixes a secondary fluid into a carrier fluid stream has (a) a body for directing the flow of the carrier fluid, this body having an internal wall forming a flow passage...
RE40199 Fuel injection valve for an internal combustion engine  
A fuel jet adjusting plate has first nozzle holes arranged along a first circle coaxial with a central axis of a valve body and second nozzle holes arranged along a second circle coaxial with the...
7347385 Fuel injection device with a 3-way control valve for configuring the injection process  
A fuel injection device for internal combustion engines, having a control valve located between high-pressure and low-pressure sides and which opens or blocks the communication of a control chamber...
7344090 Asymmetric fluidic flow controller orifice disc for fuel injector  
A fuel injector is described. The fuel injector includes an inlet, outlet, seat, closure member, and a metering orifice disc. The metering orifice disc is disposed between the seat and the outlet....
7337986 Fuel injection valve  
In a fuel injection valve for slanted fuel injection, provided between a conical flow path and an injection port is an intermediate flow path having a cylindrical surface coaxial to the conical...
7331537 Fuel injection valve for internal combustion engines  
A fuel injection valve for internal combustion engines, having a valve body ( 1 ) in which a bore ( 3 ) is embodied that is defined on its end toward the combustion chamber by a valve seat ( 18 )...
7316361 Control valve with pressure compensation for a fuel injector comprising a pressure intensifier  
A fuel injector with a pressure booster supplied with fuel at high pressure. A work chamber of the pressure booster is separated from a differential pressure chamber via a booster piston. The...
7314184 Fuel injector with a metering assembly having at least one annular ridge extension between a valve seat and a polymeric valve body  
A fuel injector is described that includes a polymeric housing, pole piece, filter assembly, coil assembly, spring member, armature assembly and metering assembly. The polymeric housing has a...
7311273 Fluid injection device  
A fluid injection device including a protruding needle. One end of the needle forms a valve and can be moved between a closed position, in which the valve seals the fluid-release opening, and an...
7309031 Fuel injection valve  
A fuel injection valve includes a fuel injection port, a needle for cutting the fuel flow into the fuel injection port and a needle mover for moving the needle away from the fuel injection port and...
7309032 Dosing device for fluids, especially a motor vehicle injection valve  
An actuator ( 4 ) is connected, on one side, to a valve needle ( 3 ), and on the opposite side, to a hydraulic piston ( 6 ) pertaining to a hydraulic length compensator. A working chamber ( 5 ) is...
7309025 Fuel injection method  
A fuel injection method is provided for correcting the fuel injection amount accurately by eliminating offset components when detecting a current flowing through a solenoid for fuel injection. A...
7309027 Fuel injector for internal combustion engines  
A fuel injector for injecting fuel that is at high pressure into a combustion chamber of an internal combustion engine has an injection valve member triggered by an actuator and a coupler chamber;...
7306168 Polymeric bodied fuel injector with a seat and elastomeric seal molded to a polymeric support member  
A fuel injector is described that includes a polymeric housing, pole piece, filter assembly, coil assembly, spring member, armature assembly and metering assembly. The polymeric housing has a...
7306169 Fuel injection valve for internal combustion engine  
A needle valve 20 having a seat contact section 24 at a leading end is provided. A nozzle body 22 having a seat section 26 with which the seat contact section 24 comes into contact is...
7303144 Reduction in hydrocarbon emission via spray pattern control through fuel pressure control in fuel injection systems  
Among other aspects shown and described, a fuel supply apparatus that provides multiple fuel spray targeting angles as a function of fuel pressure towards a combustion chamber of an engine to...
7299997 Fuel injector with sauter-mean-diameter atomization spray of less than 70 microns  
A fuel injector is shown and described. The fuel injector includes an inlet, outlet, seat, closure member, and a metering orifice disc. The metering orifice disc is disposed between the seat and...
7300002 Dosing device  
A dosing device for liquid fuels, in particular for input into a chemical reformer in order to recover hydrogen or into a post-combustion device in order to generate heat, includes at least one...
7284543 Fuel injection system  
A fuel injection system includes (i) an injector for injecting gaseous fuel and liquid fuel into a cylinder of an internal combustion engine, (ii) a gaseous fuel supplying unit having a gaseous...
7284712 Injector having structure for controlling nozzle needle  
A valve back pressure chamber is provided to exert a back pressure of a first valve needle. Furthermore, a hydraulic pressure passage is provided to extend through the valve back pressure chamber....
7278593 Common rail fuel injector  
A common rail fuel injector comprises a three-way control valve that controls the flow of high-pressure fuel to a fuel cavity for fuel injection. Specifically, when the control valve is...
7273185 Device for attenuating the stroke of the needle in pressure-controlled fuel injectors  
The invention relates to a device for injecting fuel into a combustion chamber of an internal combustion engine, and which includes a fuel injector which can be acted upon by fuel at high pressure...
7273186 Fuel injection device  
In a fuel injector ( 1 ) configured so that fuel injection is controlled by a solenoid valve ( 4 ), the solenoid valve ( 4 ) comprises an electromagnet ( 43 ), an armature bolt ( 41 ) that has a...
7264181 Fuel injection valve with restriction wall, and internal combustion engine equipped therewith  
Using a swirl type fuel injection valve, a concentrated spray area and a thin spray area are formed, the positions thereof are adjusted, and the spray is made to conform to the geometric shape of...
7261246 Sealing element and holding-down clamp for a fuel injector  
A sealing element for a fuel injector insertable into a receiving bore of a cylinder head of an internal combustion engine for direct injection of fuel into a combustion chamber of the internal...
7258287 Modular fuel injector with a spiral damper member and method of reducing noise  
A fuel injector includes a body, filter, and damper member. The body extends along a longitudinal axis between an inlet end and an outlet end with a flow passage extending therebetween. The filter...
7258282 Fuel injector with an armature assembly having a continuous elongated armature and a metering assembly having a seat and polymeric support member  
A fuel injector is described that includes a polymeric housing, pole piece, filter assembly, coil assembly, spring member, armature assembly and metering assembly. The polymeric housing has a...
7258281 Fuel injector with a metering assembly having a polymeric support member which has an external surface secured to a bore of a polymeric housing and a guide member that is disposed in the polymeric support member  
A fuel injector is described that includes a polymeric housing, pole piece, filter assembly, coil assembly, spring member, armature assembly and metering assembly. The polymeric housing has a...