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7610888 |
Non-guided tappet and fuel injector using same
A fuel injector includes an injector body having an internal surface and an external surface. A tappet assembly includes a non-guided tappet and a plunger assembly, and is mounted on the injector...
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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...
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7568633 |
Digital fuel injector, injection and hydraulic valve actuation module and engine and high pressure pump methods and apparatus
Digital fuel injector, injection and hydraulic valve actuation module and engine and high pressure pump methods and apparatus primarily for diesel engines. The digital fuel injectors have a...
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7568632 |
Fuel injector with boosted needle closure
Fuel injectors with boosted needle control providing controlled and rapid needle closure. Boost and drive pistons are provided for hydraulic actuation to controllably close the needle, with the...
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7559488 |
Injection nozzle
An injection nozzle for an internal combustion engine includes a nozzle body having a first nozzle outlet, a second nozzle outlet and a delivery chamber for fuel, an outer valve needle engageable...
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7513440 |
Pressure-boosted fuel injection device comprising an internal control line
The invention relates to a fuel injection device with a multi-part injector body containing a pressure booster that can be actuated by means of a differential pressure chamber, and includes a...
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7510127 |
Variable flow rate valve and method of reducing wear on same
In some fuel injectors, a variable flow rate valve is used to control actuation fluid flow rates to and from an intensifier piston. Over time, the variable flow rate valve is subjected to wear that...
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7500618 |
Valve device, pressure regulator, carriage, liquid ejecting apparatus and method for manufacturing valve device
A valve device has a pressure chamber, which is connected to a liquid inlet and a liquid outlet and retains liquid, and a pressure regulator decreasing the pressure in the pressure chamber to a...
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7484673 |
Fuel injector with two-stage booster
A fuel injector for an internal combustion engine has a nozzle needle that opens or closes at least one injection opening. At an end oriented away from the at least one injection opening, the...
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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...
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7481378 |
Polymeric bodied fuel injector
A fuel injector is described that includes a polymeric housing, a metering assembly, and a closure assembly. The polymeric housing includes a continuous polymeric bore that extends from a first...
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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...
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7472839 |
Fuel injector
A heating time period is decreased by that a valve body including a hollow valve shaft is arranged in a slidable manner in a cylindrical part of a casing on which a nozzle body with a valve seat is...
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7472838 |
Fluid injection valve
A fluid injection valve has: a valve body that is provided with an opening portion at one axial end thereof and is for starting and stopping a supply of a fluid out of the opening portion; and an...
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7467750 |
Needle-spring locking device for pump-injector (injector) for internal combustion engines
Needle-spring locking device for pump-injectors (injectors) of diesels, in which in order to significantly increase the lift and closing pressures of the nozzle needle, the locking spring ( 17 ) is...
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7464882 |
Fluid injection valve
The fluid injection valve has a first and second valve bodies fastened to each other, to bring a first end face of the first valve body into an intimate contact with a second end face of the second...
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7461795 |
Fuel injection system for internal combustion engines
A fuel injection system for internal combustion engines, having a fuel injection nozzle supplied with fuel by a high-pressure fuel source, which fuel injection nozzle has a movable nozzle piston...
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7455243 |
Electronic unit injector with pressure assisted needle control
An electronically controlled fuel injector includes a reduced part count and complexity over similar fuel injectors without a substantial reduction in performance capabilities. This is accomplished...
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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...
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7419103 |
Fuel injector with direct needle control for an internal combustion engine
A fuel injector with direct needle control has a nozzle needle guided in a nozzle body, and an actuator and a hydraulic pressure boosting unit that has an actuator pressure boosting piston...
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7409754 |
Apparatus for closing fluid passages of engines
An apparatus for closing fluid passages of engines is disclosed. Preferred apparatus of the invention are able to automatically recognize inlets of several fluid passages, which exist in each...
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7377040 |
Method of manufacturing a polymeric bodied fuel injector
Various methodologies relating to a polymeric fuel injector are disclosed. One method provides for manufacturing the fuel injector by forming a polymeric housing over a coil assembly and electrical...
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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...
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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...
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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...
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7341205 |
Fuel injection nozzle for DME fuel, and diesel engine including the fuel injection nozzle for DME fuel
An existing diesel engine vehicle of light oil fuel is enabled to run as a diesel engine vehicle using DME as fuel without exchanging a whole diesel engine and at very low cost and easily. The...
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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...
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7331936 |
Cylindrical pushrod for needle-retracting safety injector and the needle-retraction controllable safety injector
The invention provide a cylindrical pushrod for the syringe needle-retracting safety injector, comprising an outer cylinder, an inner cylinder, a push pole, an underpinned piece and a seal gasket;...
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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 )...
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7320441 |
Injection nozzle
The present invention relates to an injection nozzle ( 1 ) for an internal combustion engine, in particular in a motor vehicle. A first nozzle needle ( 3 ) controls at least one first injection...
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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...
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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...
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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;...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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7258283 |
Fuel injector with direct needle control for an internal combustion engine
A fuel injector with a direct needle control for an internal combustion engine, having an actuator, a hydraulic booster, and a nozzle needle guided in a nozzle body and acting on a nozzle needle...
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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...
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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...
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7243862 |
Apparatus and method for mode-switching fuel injector nozzle
A fuel injector nozzle and method for dispersing fuel during a normal combustion operation and a supplemental combustion operation, the fuel injector nozzle comprising: a plurality of first outlet...
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7240856 |
Fuel injection control device
This fuel injection control device includes: a fuel injection valve; a piezoelectric element or a solenoid which drives the fuel injection valve; a fuel pump which pressurizes fuel and supplies it...
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7234654 |
Fuel injector
A fuel injector, in particular for the direct injection of fuel into a combustion chamber of an internal combustion engine, having a valve-closure member which cooperates with a valve-seat surface...
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