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6997392 |
Injection valve comprising a pump piston
The invention relates to an injection valve ( 1 ) comprising a booster piston ( 23 ), said piston delimiting a pump chamber ( 22 ) and a booster chamber ( 29 ). A valve ( 14 ) is provided in the...
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6994272 |
Injector for high-pressure fuel injection
An injector for high-pressure injection of fuel in self-igniting internal combustion engines includes an actuator valve for opening and closing the injector; a nozzle needle, which in the closed...
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6983895 |
Piezoelectric actuator with compensator
A temperature compensated actuator device comprises a piezoelectric stack having first and second ends along a central axis and having a first thermal expansion coefficient; and a compensator...
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6983894 |
Piezo-electrically actuated canister purge valve with a hydraulic amplifier
A canister purge valve, and an emission control system, for regulating a fuel vapor flow between a fuel vapor collection canister and an intake manifold of an intake manifold of an internal...
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6983747 |
Aerosol generator
The invention relates to an aerosol generator that comprises an oscillating membrane that is provided with openings. The aerosol generator is further characterized in that the liquid container is...
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6981655 |
Injector for a fuel injection system for internal combustion engines with an integrated system pressure supply
An injector for a fuel injection system for internal combustion engines is proposed, whose system pressure supply is integrated with the injector. This results in a simple design with at the same...
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6978941 |
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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6969009 |
Injector, especially fuel injection valve, with a piezoelectric actor
The jacket surface of the piezoelectric actor body ( 1 ) is surrounded by an injector housing ( 9 ), maintaining an intermediate space and is cooled by direct contact with an inert fluid which does...
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6969008 |
Point of purchase fragrance sampling
A fragrance sampling system for use in a store comprises a piezoelectrically vibrated orifice plate atomizer mounted to extend from a support structure in the store, such as a shelf and operated to...
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6962151 |
Inhalation nebulizer
An inhalation nebulizer ( 1 ) includes an aerosol generator ( 2 ) that has a diaphragm ( 22 ) vibrated by a vibration generator ( 23 ). The inhalation nebulizer ( 1 ) includes a liquid storage...
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6962297 |
Piezoelectric actuator module
A piezoelectric actuator module has at least one piezoelectric element, one actuator foot and one actuator head, and is surrounded by an axially extending sleeve. To seal off the piezoelectric...
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6951637 |
Method and device for producing globular grains of high-puroty silicon having a diameter of between 50 μm and 300 μm and use of the same
The invention relates to a method and a device for producing globular grains of high-purity silicon by atomising a silicon melt ( 6 ) in an ultrasonic field ( 10 ). Globular grains having a grain...
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6935760 |
Ultrasonically induced plumbing-free controllable plurality of fountains and fog (ULIFOG)
The present invention provides a design of an apparatus that controllably generates plurality of fountains or fog. The apparatus comprises of a plurality of concave focused transducers that are...
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6929192 |
Valve for controlling fluids and method for measuring pressures
The present invention relates to a valve for controlling fluids, in particular a fuel injection valve, which has a valve member ( 3 ) disposed in a housing ( 11 ) for opening or closing a...
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6926208 |
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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6915962 |
Apparatus for providing aerosol for medical treatment and methods
Embodiments of the present invention include apparatus and methods for aerosolizing liquid. One embodiment of the invention provides an apparatus for generating an aerosol. The apparatus includes...
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6912998 |
Piezoelectric fuel injection system with rate shape control and method of controlling same
A piezoelectric fuel injection system and a method of controlling same, the system including a piezoelectric fuel injector having a piezoelectric element, a power source adapted to provide power to...
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6904945 |
Multi-channel fluid dispenser
The invention relates to a multi-duct fluid dispenser for withdrawing liquid ( 14 ) from a plurality of cavities ( 12 ) formed in a reservoir platter ( 10 ) and spraying it onto a receiving platter...
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6896193 |
Atomizer with improved wire type atomizing element support and method of making same
A piezoelectric atomizer ( 10 ) has a horizontal support ( 14 ) with an opening ( 16 ). Mounting posts are formed to extend up from the horizontal support alongside the opening ( 16 ). A wire...
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6896208 |
Fuel injection system for an internal combustion engine
For each cylinder of the internal combustion engine, the fuel injection system has one high-pressure fuel pump with a pump work chamber and one fuel injection valve communicating with the pump work...
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6892956 |
Fuel injection valve
A fuel injector for the direct injection of fuel into the combustion chamber of an internal combustion engine encompasses a piezoelectric or magnetostrictive actuator, a valve needle actuable by...
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6883729 |
High frequency ultrasonic nebulizer for hot liquids
A nebulizer for atomizing a high-temperature liquid includes a truncated, conical concentrator that defines a vertex and that has a small-diameter end and a large-diameter end. The small-diameter...
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6883724 |
Method and device for production, extraction and delivery of mist with ultrafine droplets
The present invention provides a method and device for production, extraction and delivery of an aerosol mist with ultrafine droplets. A high frequency wave generating device or other process...
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6880769 |
Electronically-controlled fuel injector
An electronically-controlled fuel injector includes a pressurized fluid chamber that communicates high pressure fluid to first and second pressure control chambers. A direct-operated check moves...
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6875402 |
Micropipette, dispenser and method for producing biochip
A micropipette usable for producing a biochip inclusive of DNA micro arrays capable of arraying and fixing droplets of a micro-volume on a substrate in a high density includes a main body, at least...
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6863224 |
Liquid spray device
A bottle unit ( 30 ) of a liquid atomizing apparatus is provided with: a bottle section ( 31 ) reserving a chemical liquid (L); a horn oscillating member ( 40 ) to whose a distal end the liquid (L)...
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6857580 |
Plug-in type liquid atomizer
A piezoelectrically actuated liquid atomizer device which applies alternating voltages from an ordinary wall outlet to a piezoelectric actuator intermittently and at a high rate sufficient to cause...
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6854662 |
Nebulizer assembly
A nebulizer assembly, and more particularly, for nebulizing liquids into aerosols, includes an oscillation driver connected with an aerosol excitation device at one end thereof, a liquid delivery...
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6854661 |
Misting fogger
An apparatus for producing fog, said apparatus having ultrasonic circuitry for producing ultrasonic energy for vaporizing a liquid, comprising a receptacle having a recess in the bottom thereof and...
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6848631 |
Flat fan device
A fluid flow device in one embodiment comprising a housing having an aperture or a plurality of apertures therein and in another embodiment a single chamber with a piston such as a flexible member...
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6845920 |
Piezoelectric element and injector using the same
A piezoelectric element and an injector using the same piezoelectric element are disclosed, which are so high in reliability as not to be shorted even in a high humidity environment, are small in...
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6845770 |
Systems and methods for clearing aerosols from the effective anatomic dead space
An aerosolization device comprises a housing having a mouthpiece, an aerosol generator, a flow sensor and a controller. The controller is configured to begin operation of the aerosol generator upon...
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6845759 |
Liquid fuel injection system
A liquid fuel injection system includes an injection unit for atomizing liquid through application to the fuel vibration energy induced by the operation of piezoelectric/electrostrictive elements,...
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6843429 |
Device for shaping a flexible injection pressure curve by means of a switchable actuator
A device for injecting fuel into the combustion chambers of an internal combustion engine, with an injector enclosed by an injector housing, whose control chamber is acted on by a control volume,...
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6843430 |
Low leakage liquid atomization device
A battery operated atomizer device comprising, in a housing ( 22 ), a liquid reservoir ( 30 ) from which a capillary type liquid delivery system ( 38 ) extends to contact a piezoelectric actuator...
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6840459 |
Fuel injection valve
A fuel injector, in particular a fuel injector for fuel injection systems of internal combustion engines, has a piezoelectric or magnetostrictive actuator, a valve closing element that can be...
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6840280 |
Flow through ultrasonic processing system
These and other objects of the present invention are achieved by provision of a flow through ultrasonic system for facilitating the flow of flow-resistant materials. The system includes a supply of...
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6840466 |
Hydraulic control valve and fuel injector using same
A hydraulic control valve for a fuel injector for an automotive engine, which includes a piezoelectric actuator and a hydraulic valve mechanism. The hydraulic valve mechanism converts a mechanical...
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6837445 |
Integral pump for high frequency atomizer
The present invention comprises a nozzle type atomizer with two or more aligned “horn” stages. The definition of a “horn” stage is well known in the prior art as an effectively half...
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6834812 |
Fuel injector with piezoelectric actuator
Fuel injector provided with a piezoelectric actuator, a valve activated by the piezoelectric actuator and regulating a fuel supply that flows in a working direction, and a mechanical transmission...
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6827287 |
High throughput method and apparatus for introducing biological samples into analytical instruments
Provided is a system for delivering a liquid sample to an inlet of an analytical instrument. Included is an acoustic ejector driven by a drive system that generates drive signals provided to the...
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6820820 |
Hydraulic control device, in particular for an injector
The invention is based on a hydraulic control device ( 60 ), in particular for an injector ( 16 ) of a fuel injection system ( 10 ) in motor vehicles. Known control devices have a piezoelectric...
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6820827 |
Injector for a fuel injection system for internal combustion engines, having a nozzle needle protruding into the valve control chamber
An injector for a fuel injection system is proposed, having an at least partial compensation for the hydraulic forces acting on the nozzle needle. In addition, the fuel volume to be controlled is...
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6811090 |
Minute droplet forming method a minute droplet forming apparatus
A minute droplet forming apparatus comprises a nozzle 1 for storing therewithin a liquid 2 for forming a droplet 3 ; a substrate 5 , disposed so as to face the tip of the nozzle 1 , for...
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6811093 |
Piezoelectric actuated fuel injectors
A fuel injector including a piezoelectric actuator directly attached to a metering rod wherein when the actuator is distorted in proportion to an input voltage, the metering rod moves to vary the...
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6805303 |
Liquid droplet spray device
The invention concerns a liquid droplet spray device for atomising a liquid substance, comprising a housing comprising a first substrate, a second substrate superposed on the first substrate and a...
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6805302 |
Injector for controlling fluids
An injector for controlling fluids has a piezoelectric actuator and a hydraulic pressure intensifier. The hydraulic pressure intensifier is composed of a first piston, a second piston and a...
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6805329 |
Valve for controlling fluids
A valve for controlling fluids for reservoir injection systems, includes a hydraulic coupler and a piezoelectric actuator. The hydraulic coupler includes a first piston, a second piston, and a...
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6799729 |
Ultrasonic cleaning and atomizing probe
An ultrasonically excitable tool or probe is provided with a central bore, and a coupling for attachment to an ultrasonic transducer also provided with a central bore. Fluid may be injected along...
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6789741 |
Method and apparatus for atomizing liquids having minimal droplet size
An orifice plate is vibrated up and down at high frequency while liquid is delivered to its lower surface so that the liquid is ejected up from the plate in the form of very small diameter...
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