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8128004 |
Method and apparatus for operating an injection valve
In order to operate an injection valve, a freewheeling operating state is controlled as the nozzle needle moves to its closing position, and a current through the coil is detected as a freewheeling...
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8123198 |
Ignition system for a pulse fog generator
The present invention provides an ignition system for a pulse fog generator having a carburetor, a pump for pumping air into the carburetor, and a priming pump for directing a quantity of fuel into...
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8096485 |
Method of preheating injectors of internal combustion engines
In a method and device for preheating an internal combustion engine injector (1) including at least one valve (3) to be activated by an electromagnet (21), in which the coil of the electromagnet...
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8047452 |
Method and apparatus for injecting atomized fluids
Methods and apparatus for injecting reagent, such as an aqueous urea solution, into an exhaust stream in order to reduce emissions from an engine exhaust. The present teachings can use a whirl...
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8011600 |
Fuel injector nozzle
A fuel injector nozzle for use with an internal combustion engine utilizes arrangements of nozzle openings that are designed to increase fuel contact with oxygen within a combustion chamber. Nozzle...
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8006959 |
Ignition system for a pulse fog generator
The present invention provides an ignition system for a pulse fog generator having a carburetor, a pump for pumping air into the carburetor, and a priming pump for directing a quantity of fuel into...
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7980485 |
Injection valve with single disc turbulence generation
A fuel injector for an internal combustion engine is disclosed. The fuel injector includes a housing, a valve seat, a metering orifice disc, and a needle. The housing has an inlet, an outlet, and a...
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7980483 |
Injector for a fluid injection system
An injector for an injection system is provided, including a first opening, a second opening, an open position and a closed position. The first opening is for spraying the fluid out of the...
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7950593 |
Z orifice feature for mechanically actuated fuel injector
A mechanically actuated electronically controlled fuel injector (MEUI) includes a first electrical actuator that controls the position of a spill valve, and a second electrical actuator to control...
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7913929 |
Modular outward opening piezo direct fuel injector
A module, direct fuel injector (10) includes a fuel side sub-assembly (78) having valve body structure (12, 14) defining a main flow passage (16) there-through, an outlet opening (26) and a seating...
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7905425 |
Modular outward opening solenoid direct fuel injector
A module, direct fuel injector (10) includes a fuel module (46) having a valve body (12) defining an outlet opening (20) and including a seating surface (18). A needle 14, disposed in valve body,...
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7832656 |
Fluid injector and method for manufacturing a fluid injector
A fluid injector has a housing, a valve body and an actuator unit inserted into the housing. The valve body has a cartridge with a recess that takes in a needle. The valve body further has a hollow...
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7815128 |
Method and injection system for injecting a fluid
A method for injecting a fluid, in particular a fuel, performs the following steps: A nozzle (1) which can be actuated by a piezo element (5) is provided. A current pulse (12a) is supplied to the...
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7784708 |
Fuel injecting device and method for controlling said device
A fuel injecting device and method of controlling the fuel injection device. The fuel injection device includes a cylindrical body, a needle whose end includes with a head forming a valve on a seat...
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7775463 |
Electromagnetic fuel injection valve
In an injector used for an internal combustion engine, a favorable magnetic attraction force is obtained to reduce a controllable minimum injection amount of a fuel injection amount. In a fuel...
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7770813 |
Spray penetration control method
A spray penetration control method that controls penetration of fluid injected as a spray from an injector. The control method uses multiple successive injection events instead of single injection...
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7770812 |
Fuel injector and method for its installation
A fuel injector for fuel-injection systems of internal combustion engines includes a solenoid coil, a tubular support acting as inner pole of the solenoid coil, and a filter element, the filter...
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7766251 |
Fuel injection and mixing systems and methods of using the same
A fuel injection and mixing system is provided. The system includes an injector body having a fuel inlet and a fuel outlet, and defines a fuel flow path between the inlet and outlet. The fuel flow...
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7694891 |
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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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...
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7617991 |
Injector fuel filter with built-in orifice for flow restriction
Apparatus and method for substantially reducing or eliminating pressure pulsations caused by the opening and closing of fuel injectors. A preferred embodiment provides a restriction orifice...
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7578450 |
Fuel injector with grooved check member
A method and apparatus for injecting fluid into a machine are disclosed. A fluid injector is disclosed having a nozzle body with first and second body portions and at least one fluid injection...
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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 linked,...
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7481376 |
Variable inductive heated injector
A fuel injector for an internal combustion engine includes a valve body 14. A valve seat 18 is associated with the valve body. The valve seat defines an outlet opening 24 through which fuel may...
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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...
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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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7387263 |
Fuel injection valve of engine, fuel injection method and assembling method of the same
The heating injector in which the fuel is heated within a short time when starting and the size of a fuel atomized particle is very small h as casing 10 for a fuel injection valve which supplies...
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7347383 |
Modular fuel injector and method of assembling the modular fuel injector
A fuel injector for use with an internal combustion engine. The fuel injector comprises a valve group subassembly and a coil group subassembly. The valve group subassembly includes a tube assembly...
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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....
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7334399 |
Apparatus, system, and method for intermittently delivering fluid
An apparatus, system, and method are disclosed for intermittently delivering fluid. An injector intermittently delivers a first quantity of fluid over a first time interval. In one embodiment, the...
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7334741 |
Fuel 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...
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7326294 |
Preparation of small crystals
Small crystals are made by mixing a solution of a desired substance with an anti-solvent in a fluidic vortex mixer in which the residence time is less than 1s, for example 10 ms. The liquid within...
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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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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...
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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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7225998 |
Apparatus and method for preparing and delivering fuel
A method and apparatus for vaporizing liquid fuel. The apparatus includes at least one capillary flow passage, the at least one capillary flow passage having an inlet end and an outlet end; a fluid...
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7186351 |
Injection valve
A method for producing a filter element includes forming longitudinal ducts extending between upstream and downstream surfaces of the filter element, and installing a heating element for heating...
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7150410 |
Method for providing a controlled injection rate and injection pressure in a fuel injector assembly
A method for controlling injection rate and injection pressure of an electromagnetic fuel injector assembly having a pressure balanced control valve including a solenoid and a valve member subject...
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7134617 |
Droplets forming method and device for discharging constant-volume droplets
The invention intends to prevent the occurrence of a phenomenon that air is sucked through an ejection port formed at a nozzle end when a plunger rod is retracted to move away from a valve seat. In...
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7134616 |
Fuel injector with auxiliary valve
A fuel injector includes an auxiliary valve member that can assist in raising a mean injection pressure, increase a nozzle valve opening pressure, and hasten the closure rate of a nozzle valve...
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7124959 |
Dual fuel injection valve and method of operating a dual fuel injection valve
A dual fuel injection valve separately and independently injects two different fuels and comprises a dual needle assembly with a hollow open-ended outer needle and an inner needle disposed within...
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7097114 |
Fuel injector adapted to remove deposits by sonic shock
The present disclosure provides a self-cleaning injector nozzle or other fluid conduit that maintains deposits at a low level by sonic tuning the shock wave generated during fluid flow through that...
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7093769 |
Dynamic flow rate adjusting method for injector
In a dynamic flow rate adjusting method, a press-fitting degree of an adjusting pipe is adjusted to regulate a load applied to a needle by a spring in a direction for closing an injection hole....
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7090152 |
Fuel injector and method of manufacturing the same
A fuel injector including a tubular casing having an axial fuel passage. Disposed within the fuel passage are a valve seat element, a core cylinder, and a valve element axially moveably disposed...
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7086606 |
Modular fuel injector with di-pole magnetic circuit
A modular fuel injector for an internal combustion engine, including a valve group subassembly and a power group subassembly. The valve group subassembly includes a first stator member, a second...
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7048202 |
Compound-angled orifices in fuel injection metering disc
A valve subassembly of a fuel injector that allows spray targeting and distribution of fuel to be configured using non-angled or straight orifice having an axis parallel to a longitudinal axis of...
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7021565 |
Pressure modulated common rail injector and system
Common rail fuel injectors typically have difficulty in changing an injection rate during an injection event. Fuel injectors for this common rail fuel injection system include a multi-position...
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7007860 |
Plunger cavity pressure control for a hydraulically-actuated fuel injector
A fuel injector in an engine includes a spring cavity, a piston, a plunger, a spring, a fuel cavity, and a stop plate. The piston is hydraulically controlled to force the plunger down to compress...
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7000851 |
Integrated injection line and injection nozzle
Fuel injector having a sleeve-shaped connector (22), injection nozzle (12) and injection line (14).
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6978767 |
Active drag and thrust modulation system and methods
A vehicle traveling through an environmental media such as air experiences drag. The drag is actively modulated by energy beams which may either increase or decrease the drag. The energy beams may...
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