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Class 239/88 - UNITARY INJECTION NOZZLE AND PUMP OR ACCUMULATOR PLUNGER


Subclass of Class 239 - Fluid sprinkling, spraying, and diffusing
Definition: Apparatus which includes an injection nozzle having an expansible
No. of patents: 612
Last issue date: 10/04/2011


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NumberTitleIssue Date
8028929Arrangement in fuel supply apparatus
An arrangement for controlling the fuel supply in a fuel supply apparatus, which arrangement comprises a body part including a space, through which the fuel to be injected flows during the operation, and a fuel inlet opening and a fuel discharge opening, which open ...
10/04/2011
7942343Coatings 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 plunger or other fuel injection system components. The invention utili...
05/17/2011
7931211Injector
A pressurizing piston has a head section, which contacts an axial end face of a piezoelectric actuator to receive displacement of the actuator, and a piston wall section, which is formed in a cylindrical shape and can move in an axial direction in response to the mo...
04/26/2011
7850091Fuel injector with directly triggered injection valve member
A fuel injector having an injector body and a fuel inlet communicates with a high-pressure fuel source outside the injector body and including an actuator received in a hollow chamber from which a high-pressure inlet extends to an injection valve member. Depending o...
12/14/2010
7828227Fuel oil atomizer
There is provided a fuel oil atomizer comprised of an elongated outer member, an elongated inner member and an atomizing head. The inner member is a fuel supply conduit which coaxially received within the central opening of the outer member defining therebetween a g...
11/09/2010
7789322Fuel injection valve
A fuel injection valve includes a main body having a nozzle hole and a compression chamber. The main body accommodates a compression unit for pressurizing fuel accumulated in the compression chamber. The fuel injection valve further includes a valve element being ax...
09/07/2010
7762477Polymeric 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 passageway extending between an inlet and an outlet along a longitudinal a...
07/27/2010
7744014Injection module
An injection module comprises a housing (1), inside of which an actuator element (2) and an injection valve are arranged. The actuator element (2) is designed for controlling the injection valve by a setting stroke. A compensating element (6
06/29/2010
7717359Multiple intensifier injectors with positive needle control and methods of injection
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 control down the center of the inje...
05/18/2010
7654469Fuel injection system for an internal combustion engine
A fuel injection system having one high-pressure fuel pump and one fuel injection valve, communicating with the high-pressure fuel pump, for each cylinder of an internal combustion engine. A pump work chamber is defined by a pump piston, and the fuel injection valve...
02/02/2010
7644873Fuel transfer arrangement
A fuel transfer system having a nozzle with an inlet in communication with a source of pressurized fuel in a portion of a fuel tank, and an outlet through which the fuel is discharged. A restrictor is arranged between the source of pressurized fuel and the nozzle. A...
01/12/2010
7568632Fuel 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 boost piston reaching a mechanical stop before the needle reaches the cl...
08/04/2009
7559488Injection 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 with an outer valve seating to control fuel injection through the firs...
07/14/2009
7516906Fuel injector
A fuel injector for use in an internal combustion engine includes a valve needle which is engageable with a valve needle seat to control fuel injection through an injector outlet. An actuator, typically in the form of a piezoelectric actuator stack, is arranged to c...
04/14/2009
7513440Pressure-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 pressure booster piston that seals a working chamber off from the differen...
04/07/2009
7510127Variable 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 can affect the predictability of the injection rate shape. The prese...
03/31/2009
7484672Coatings 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 plunger or other fuel injection system components. The invention utili...
02/03/2009
7484673Fuel 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 nozzle needle has a step-shaped widening, which forms an end surface orien...
02/03/2009
7481378Polymeric 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 external seal proximate an inlet to a second external seal proximate an ...
01/27/2009
7472838Fluid 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 injection port plate having a plurality of injection ports that penetr...
01/06/2009
7467750Needle-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 disposed in the central cavity of the body around the outer sur...
12/23/2008
7461795Fuel 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 for opening and closing injection openings, an injection nozzle high-pr...
12/09/2008
7431226Modular 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 injector. A mass annular damper member is also shown and described. A method...
10/07/2008
7419103Fuel 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 connected to the actuator and a nozzle needle pressure boosting piston connec...
09/02/2008
7409754Apparatus 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 engine at different positions depending on the engine model, and rapidly a...
08/12/2008
7377040Method 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 connectors to provide a polymeric passage extending from an inlet to...
05/27/2008
7370636Fuel injection system
A fuel injector (1) in an internal combustion engine, wherein an intermediate chamber control valve (26) operated by the fuel pressure in a common rail (2) is arranged in a fuel flow passage (25) connecting a two-position switching type t...
05/13/2008
7357565Fluid 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 therethrough, a central axis, an inlet, an outlet, and a port for rece...
04/15/2008
RE40199Fuel 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 central axis and having a diameter larger than that of the first circl...
04/01/2008
7347385Fuel 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 with the low-pressure side, and an outlet throttle located between t...
03/25/2008
7347182Injector double row cluster configuration for reduced soot emissions
A direct injection fuel injector system includes a fuel injector defining nozzle holes in an optimized cluster configuration. Each hole of a conventional multi-hole nozzle is replaced by two smaller, closely spaced holes in a two-hole-per-cluster configuration. The ...
03/25/2008
7341204Fuel injection valve
In a fuel injection valve in which a funnel-shaped fuel collecting recess 35 is provided between a valve seat 8 and an outlet hole 7, and a flat fuel diffusion chamber 36 which diffuses a fuel radially outward and guides the fuel to a plu...
03/11/2008
7341205Fuel 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 shape of a tip part 21 of a needle valve 2 is set by a cent...
03/11/2008
7337768Multiple capillary fuel injector for an internal combustion engine
A fuel injector for delivering fuel to an internal combustion engine. The fuel injector includes a fuel injector housing, a system for metering vaporized fuel to the internal combustion engine, the system positioned within the fuel injector housing, and a system for...
03/04/2008
7337986Fuel 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 flow path, so that the injection port has a portion of the cylindrical s...
03/04/2008
7334741Fuel injector with injection rate control
A closed nozzle fuel injector is provided which effectively controls the fuel injection flow rate, especially during an initial portion of an injection event, while also permitting accurate control over pilot and/or post injection flow rates at all operating conditi...
02/26/2008
7334570Common rail fuel injection system with accumulator injectors
A fuel injection system for an internal combustion engine includes a common rail, a plurality of accumulator injectors, and at least one accumulator controller separate from the accumulator injectors and connected to the common rail. Each accumulator controller incl...
02/26/2008
7331936Cylindrical 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; the push pole is set at the front end of chamber of outer cylinder, i...
02/19/2008
7331537Fuel 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) at which at least one injection opening (20) ori...
02/19/2008
7328688Fluid pumping apparatus, system, and method
A fluid pumping apparatus, system, and method are disclosed in which an apparatus according to one embodiment of the invention comprises a housing, an inlet through which the fluid enters the housing, an outlet through which the fluid leaves the housing, a valve com...
02/12/2008
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