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7258253 |
Method and system for precise dispensation of a liquid
Devices, systems, and methods for the precise dispensation of small volumes of liquids are presented. A fluid microdispenser comprises a liquid-filled tube, an actuator coupled to the tube, and a...
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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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7255290 |
Very high speed rate shaping fuel injector
A very high speed injector permits injecting high pressure diesel oil directly into a diesel engine combustion chamber. The very high speed permits almost arbitrary rate shaping, minimizing...
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7240855 |
Liquid dispense head and manufacturing method thereof
A liquid dispense head is provided which can be manufactured at a reduced manufacturing cost, will not react with dispense liquid containing biomolecules, and can dispense liquid droplets having a...
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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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7234650 |
Three-way valve and fuel injection device having the same
A three-way valve having a valve chamber with a low-pressure port, a high-pressure port, and a control port is provided. The three-way valve also has a control valve installed in the valve chamber...
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7229028 |
Aerosol impingement baffle
An aerosol impingement baffle, and more particularly, an aerosol impingement baffle employed in ultrasonic nebulizers, wherein the impingement orifices thereof are formed by disposing line-shaped...
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7225790 |
Valve device and method for injecting a gaseous fuel
A valve device and a method directly inject gaseous fuel into a combustion chamber. A rapid response in a simple and compact design is achieved by a piezoelectric, magnetostrictive, or...
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RE39671 |
Ultrasonic fog maker and methods of drug delivery and air freshening
An ultrasonic fog generator creates a fog of a liquid such as water. The visual appearance of the fog may be altered such as by being illuminated by one or more lights having one or more colors....
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7198203 |
Fuel injector with and without pressure ampification with a controllable needle speed and method for the controlling thereof
A fuel injector in injection systems for internal combustion engines having a valve body containing a control chamber that can be pressure-relieved and can be acted on with fuel via an inlet...
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7195179 |
Piezoelectric mist generation device
An apparatus of the present invention includes: a container operable to hold a liquid; circuitry operable to provide an electrical stimulus; and a piezoelectric element electrically coupled to the...
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7188788 |
Common rail injector with active needle closing device
A fuel injector includes a needle valve having a metering land that corresponds with the metering edge to define a metering gap. The metering gap produces a pressure drop utilized to tailor needle...
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7183695 |
Piezoelectric actuator module, and method for assembling a piezoelectric actuator module
A piezoelectric actuator module having at least one piezoelectric component, one actuator foot, and one actuator head is surrounded by an axially extending bush. For sealing the piezoelectric...
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7178741 |
Micro droplet generator
Disclosed is a micro droplet generator which comprises a lower space for containing a control panel, and an upper chamber for containing fluid medicine and including an nebulized area formed on a...
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7175105 |
Actuator for a fuel injector of an internal combustion engine
In order to increase the lifetime for a piezoactuator of a fuel injector and to make possible a reliable seal of the piezoactor especially for comparatively thin head plates as well a gas exchange...
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7168633 |
Spraying device
A spraying device comprises a spraying plate, having a plurality of tiny holes, a vibrating element, set on a periphery of the spraying plate, and driving a vibrating movement thereof, a wrapping...
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7165731 |
Dual travel seated pin valve assembly
When an engine is cold-started, the engine oil is quite viscous and requires larger passageways to flow through the engine than when the engine is warmed up and the engine oil flows readily. The...
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7159752 |
Continuous mode solder jet apparatus
A solder jet apparatus is disclosed. The solder jet apparatus is a continuous mode solder jet that includes a blanking system and raster scan system. The use of the raster scan and blanking systems...
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7159793 |
Liquid discharging head and liquid discharging device
A liquid discharging head includes a plurality of liquid discharging units and a common flow path. The liquid discharging units include ink chambers for containing liquid to be discharged, heating...
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7152810 |
Micro-droplet generator with autostabilization function of negative pressure
A micro-droplet generator, comprising a chamber, enclosed by a casing, a spraying plate, having a plurality of spraying holes, a piezoelectric plate, a signal connector, and a storage tank. The...
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7140554 |
Liquid ejection head
In order to provide a liquid ejection head which enables ejection of a droplet at a higher frequency, according to the invention, a piezoelectric vibrator 18 has a multilayer structure. In the...
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7140353 |
Fuel injector with piezoelectric actuator preload
An piezoelectric actuated injector is provided which includes a nozzle valve element, a control volume, and an injection control valve including a control valve member for controlling fuel flow...
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7134609 |
Fluidic oscillator and method
An oscillating spray device comprising an oscillation chamber. A power nozzle for projecting a jet of liquid under pressure into the oscillation chamber in a given direction. A reversing member in...
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7131599 |
Atomizing device
An atomizing device is provided that comprises: a casing having a release opening; discharging means provided within the casing and having at least one discharge head for discharging a liquid...
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7129619 |
Ultrasonic nebulizer for producing high-volume sub-micron droplets
An ultrasonic nebulizer for producing high-volume sub-micron droplets is disclosed. The ultrasonic nebulizer utilizes a 3 or 5 MHz frequency as an oscillation frequency for producing sub-micron...
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7124966 |
Fuel injector check valve
A high pressure unit fuel injector includes a member with a fuel delivery opening to be intermittently supplied with high pressure fuel and a valve seat encircling the fuel delivery opening. A...
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7118046 |
Sliding structure for shaft member with improved abrasion resistance and injector
In a sliding structure in which a shaft member is retained slidably in a guide hole, the lack of an oil film caused by the edge contact of the shaft member to which a pressing load in the axial...
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7108197 |
Droplet ejector with oscillating tapered aperture
A fluid injection device for ejecting fluid droplets in response to electrical signals comprises an oscillating surface that has one or more tapered apertures, each aperture having a first and...
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7104463 |
Base isolated nebulizing device and methods
An aerosol generator comprises a vibratable member having a front, a rear, an outer periphery and a plurality of apertures extending between the front and the rear. A support element is disposed...
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7083114 |
Fuel injector
A fuel injector for the direct injection of fuel into the combustion chamber of an internal combustion engine includes an actuator, which is encapsulated in a first sleeve and is sealed from an...
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7083117 |
Apparatus and method for droplet steering
An apparatus and method for droplet steering is disclosed herein. A throated structure having a nozzle defines a converging throat with an inlet and an outlet and a vectored fluid stream directed...
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7083112 |
Method and apparatus for dispensing liquids as an atomized spray
The invention provides exemplary methods and apparatus for dispensing liquids as an atomized spray. In one particularly preferably method, a liquid is dispensed as an atomized spray from a...
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7080793 |
Apparatus comprising an atomizer and method for atomization
The illustrative embodiment of the present invention is an atomizer, a method for atomization, and a system that includes an atomizer. In some embodiments, an atomizer in accordance with present...
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7077379 |
Fuel injector using two piezoelectric devices
A fuel injector uses two or more individual piezoelectric devices. A first piezoelectric device is used to actuate a valve which allows pressurized fuel to pass from a pressure chamber through an...
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7077335 |
Device for aromatizing a gas medium
The inventive device for aromatizing a gas medium comprises a chamber provided with a flow booster for mixing the gas medium with aromatic fumes. Said fumes are delivered to the chamber by a...
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7073730 |
Fuel injection valve
A fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, including a piezoelectric or magnetostrictive actuator, actuates a valve-closure member...
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7073731 |
Method and system for ambient air scenting and disinfecting based on flexible, autonomous liquid atomizer cartridges and an intelligent networking thereof
An apparatus for freshening air, including a base unit; a power supply operably connected to the base unit; a driving and switching circuit connected to be powered by the power supply; a first plug...
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7073727 |
Discharge device, control method thereof, discharge method, method for manufacturing microlens array, and method for manufacturing electrooptic device
The invention provides a discharge device which forms microlenses, etc., with high precision. A switch circuit selects a predetermined one of drive pulses included in a drive signal on the basis of...
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7070121 |
Method and apparatus for evaporating multi-component liquids
An atomizer 10 atomizes a multi-component liquid from a reservoir 20 into a cloud 14 comprising small droplets 38 which are ejected into the atmosphere to a certain height and allowed to...
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7066398 |
Aperture plate and methods for its construction and use
A method for performing an aperture plate comprises providing a mandrel that is constructed of a mandrel body having a conductive surface and a plurality of nonconductive islands disposed on the...
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7066399 |
Fuel injector
A fuel injector for fuel-injection systems of internal combustion engines having a piezoelectric or magnetostrictive actuator, includes a hydraulic coupler which actuates a valve-closure member ( 3...
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7063141 |
Apparatus for agitated fluid discharge
The pressure reading tool includes a housing with an interior chamber and an orifice extending from the chamber to the exterior of the housing. A pulse member with a magnetostrictive ring and an...
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7059538 |
Method and apparatus of applying fluid
A method of applying fluid includes feeding fluid between two faces disposed with a gap maintained therebetween, and changing the gap between the two faces by driving an actuator for intermittently...
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7055762 |
Injection valve with a capacitive valve lift sensor
The invention relates to an injection valve in which the movable valve parts and the valve seat ( 4 ) form the electrodes of a capacitor that is connected in an electric circuit, the capacity of...
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7040549 |
Systems and methods for controlling fluid feed to an aerosol generator
A method for controlling the supply of liquid to an aerosol generator comprises operating a liquid supply system to supply a liquid to a vibratable aperture plate of an aerosol generator which...
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7040550 |
Fuel injection valve
A fuel injector for the direct injection of fuel into the combustion chamber of an internal combustion engine includes a piezoelectric or magnetostrictive actuator, a hydraulic coupler, the...
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7032833 |
Fuel injection valve
In a fuel injector, in particular a fuel injector for fuel-injection systems of internal combustion engines, a piezoelectric or magnetostrictive actuator is surrounded by a compensation sleeve. The...
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7025292 |
Injector to inject fuel into a combustion chamber
An injector housing ( 1 ) of the injector has an indentation ( 2 ) in which a part of an actuator housing ( 4 ) of the injector is located. A floor of said indentation ( 2 ) is formed by a...
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7007866 |
Metering device for the conveyance of small substance quantities
A metering device for the conveyance of small substance quantities out of a reservoir into an application space by a diaphragm micropump that can be used, in particular, for the conveyance of small...
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7000381 |
Device for exhaust gas after treatment of motor vehicles, in particular, diesel engine vehicles
A device for exhaust gas after treatment of motor vehicles has a pump device for supplying a solution to the exhaust gas manifold. The pump device is a metering pump having a connecting part that...
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