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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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,...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...