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Class 239/696 - Having plural exit openings


Subclass of Class 239 - Fluid sprinkling, spraying, and diffusing
Definition: Apparatus wherein a spray device comprises at least two
No. of patents: 53
Last issue date: 11/25/2008


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NumberTitleIssue Date
7455250Electrostatic spray assembly
An electrostatic spraying assembly is provided. The spraying assembly includes a housing having a fluid inlet passage that is connectable to a fluid source and communicates with a plurality of discharge passageways each of which extends through the housing to a down...
11/25/2008
7360724Electrostatic spray nozzle with internal and external electrodes
A nozzle is provided for use in a dynamic electrostatic air filter, in which the nozzle includes an internal electrode that charges a semiconductive liquid, and includes an external electrode that assists in breaking the liquid into droplets in a predetermined direc...
04/22/2008
7341211Device for the production of capillary jets and micro-and nanometric particles
The invention relates to a method and devices for the production of capillary microjets and microparticles that can have a size of between hundreds of micrometers and several nanometers. The inventive method makes use of the combined effects of electrohydrodynamic f...
03/11/2008
7337987Liquid jetting device
A liquid jetting apparatus (50) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (51) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet,...
03/04/2008
7314185Liquid jetting device
A liquid jetting apparatus (20) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (21) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet,...
01/01/2008
7198208Fuel injection assembly
A fuel injection assembly comprising a main structure (101) for mounting on an internal combustion engine, the main structure having one or more orifices (115) for injecting fuel directly into the combustion chamber of the internal combustion engine, a...
04/03/2007
7160391Electrostatic nozzle apparatus
A nozzle spray head is provided for use in a dynamic electrostatic air filter, in which the nozzle spray head assembly exhibits multiple nozzle orifices as outlet ports, which extend from the bottom of the nozzle body such that the distances between the outlet ports...
01/09/2007
7086617Liquid sprayer
A nozzle hole of a conductive nozzle plate exposes the liquid surface of conductive ink. Ultrasonic generation means vibrates the ink for forming fine surface waves on the liquid surface so that the ink is sprayed from the nozzle hole as an atomized liquid particle ...
08/08/2006
7052569Method for producing a high-quality insulation of electric conductors or conductor bundles of rotating electrical machines by means of spray sintering
The present invention discloses a process for producing a high-quality insulation for conductors or conductor bundles of electrical machines by means of spray-sintering. Unlike in the prior art, it is possible to apply internal corona-discharge protection, insulatio...
05/30/2006
6983892Gas distribution showerhead for semiconductor processing
We have developed a gas distribution showerhead assembly, for use in a semiconductor processing chamber, which can be easily cleaned, with minimal chamber downtime. The gas distribution showerhead assembly includes an electrode having openings therethrough, and a ga...
01/10/2006
6964385Method and apparatus for high throughput charge injection
An apparatus for dispersing fluent material comprises a body defining a plurality of orifices arranged around a central axis and a charge injection device arranged on the central axis. ...
11/15/2005
6918309Sample deposition method and system
A method and system to deposit rapidly, accurately and efficiently liquid droplets onto a sample plate. A liquid from which the droplet is formed contains sample molecules, matrix molecules or a mixture of both sample and matrix molecules. A sample plate is position...
07/19/2005
6817554Fluid nanosplitter device
The present invention is directed to a flow splitter that includes an outer fluid conduit for receiving an incoming fluid flow that is the bulk flow of effluent from a liquid chromatographic column, flowing at an input flow rate. The flow splitter further includes a...
11/16/2004
6474573Electrostatic atomizers
An electrostatic atomizer includes a body defining an interior space and a discharge orifice communicating with the interior space. An emitting electrode or electron gun is disposed inside the body so as to apply charges to the fluid passing through the i...
11/05/2002
6454193High mass transfer electrosprayer
A electrohydrodynamic aerosol sprayer wherein a gas flow deflector is used for creating a gas flow past the spray nozzle to stabilize the Taylor cone and to transport at least a portion of the aerosol away from the region downstream of the spray nozzle. T...
09/24/2002
6318640Dispensing device
A comminuting liquid device, a medicament delivery device, an inhaler, a method of providing droplets for delivery to the respiratory tract, a pocket-sized dispenser, and a method of mixing liquids by droplet coalescence. Liquids are subjected to electric...
11/20/2001
6220792Slurry distributor
The slurry distributor comprises two or more square pipe sections in end-to-end relation having an inlet at one end for connection to a slurry supply and provided with discharge openings equally spaced longitudinally thereof; on each side of the square pi...
04/24/2001
6105877Dispensing device
A device for comminuting liquid has a liquid supply with first and second outlets, a first electrohydrodynamic comminuter for subjecting liquid issuing from the first outlet to an electrical potential to cause the liquid to be commrinuted to form a commin...
08/22/2000
6082628Powder charger and sprayer
A powder spray gun, and method for using same, is disclosed. The powder gun includes a corona discharge tip and mesh screen within the passage for powder flow. A potential is applied to the corona discharge tip, resulting in an electric field between the ...
07/04/2000
6068199Dispensing device
A device for dispensing a comminuted liquid to the upper respiratory tract, which comprises an electrohydrodynamic comminution device and a supplier of a liquid to the comminution device. And a device for comminuting a liquid, the comminution site of whic...
05/30/2000
6045053Tribo-electric powder spray coating using conical spray
Apparatus for powder spray coating comprises means for electrostatically-charging powder entrained in air, a conduit for transporting the electrostatically charged powder from the charging means to a spray head adapted to discharge the powder in a hollow ...
04/04/2000
6012657Powder spray head for fan-like patterns
An improved apparatus for applying coating material includes a spray head having a housing which encloses a deflector. The deflector and housing cooperate to form a plurality of coating material flow channels which diverge in a direction of flow of coatin...
01/11/2000
5975426Use of porous beads as a tip for nano-electrospray
A durable electrospray needle uses a capillary having a substantially large outside diameter. Provision of a porous bead at the spray tip advantageously allows a fine electrospray to be formed without the need for finely machining a needle tip and orifice...
11/02/1999
5725151Electrospray fuel injection
An electrospray adapted fuel injection valve includes an anode and cathode to inject monopolar electric charge into electrically insulating fuel. On exiting the injector, the charge containing fuel atomizes and disperses to reduce electrostatic energy. Ad...
03/10/1998
5636798Electrostatic spray device
Electrostatic spray appliance for coating material for the spray-coating of articles comprises a single carrier (4) which carries a plurality of gun barrels (6, 8), so that the carrier (4), together with the gun barrels, forms spray guns. The gun barrels ...
06/10/1997
5490633Apparatus for ligament made electrostatic spraying
Relatively low resistivity liquids are formed into sprays under the influence of an applied electric field acting between a nozzle and the nozzle surroundings which may be at earth potential. The liquid issues from the nozzle as a ligament which undergoes...
02/13/1996
5332154Shoot-up electrostatic nozzle and method
An electrostatic spray nozzle that is positioned at an angle above horizontal and less than vertical having a body with an upper fluid emitting end and a lower bottom end. The body having an interior cavity therein. Within the cavity is a shim capable of ...
07/26/1994
5209410Electrostatic dispensing nozzle assembly
A nozzle assembly for electrostatically dispensing a flowable material at a controllable rate and in a reliable and uniform manner includes a housing with a dispensing edge and front and rear members joined together to provide a continuous dispensing slot...
05/11/1993
5184778Electrostatic spraying apparatus
An electrostatic spraying apparatus is in the form of a device suitable for hand held use. The device uses a high voltage generator of the rectified pulsed type and includes an earth return path which is completed via the operator through a contact (38) a...
02/09/1993
5121884Electrostatic spraying devices
An electrostatic spraying device is designed in such a way that potential surface leakage paths (FIG. 1b) along which current may leak from the HT generator (2b) are sufficiently long to allow the use of a generator having a smaller than conventional maxi...
06/16/1992
5086973Nozzle modulators
An improved nozzle modulator, an improved nozzle modulator assembly, and an improved coating method comprises a nozzle having a housing. A fluid reservoir communicates with the housing. The nozzle has a nozzle outlet about which a meniscus is formed. A hi...
02/11/1992
4991774Electrostatic injector using vapor and mist insulation
In electrostatic atomization of liquids wherein a stream of electrically charged liquid is atomized under the influence of the electrical charge, the stream is surrounded by a mist to increase the dielectric breakdown strength of the surrounding atmospher...
02/12/1991
4989793Indirect charging electrode for electrostatic spray guns
Improved apparatus for indirectly charging atomized electrically conductive fluids discharged from a spray gun. One or more high voltage electrodes are located outside of the atomized fluid envelope for imparting a charge to the fluid droplets. Air curtai...
02/05/1991
4893755Pesticide spraying apparatus
Pesticide spraying apparatus for spraying crops in the field, grapes, and seedling trees. The spraying apparatus includes a wheeled arcuate canopy open at the bottom providing a rounded arcuate interior wall and a spacing at the open bottom related to the...
01/16/1990
4886215Hand operated powder spray pistol
A hand held powder spray gun is disclosed. The spray gun includes a casing enclosing a plurality of helical charging ducts mounted on parallel cores. The ducts receive powder from a diffusor mounted in a depending gun handle and discharge charged powder t...
12/12/1989
4830279Flat spray nozzle for a spray gun
A flat spray nozzle for a powder spray gun comprises a nozzle body formed with an axial powder flow passageway, a pair of spaced powder discharge slots intersecting the powder flow passageway and a bore located between the powder discharge slots. The bore...
05/16/1989
4801086Spraying apparatus
An apparatus and process for the electrostatic spraying of a mixture of a plurality of liquids, suitably liquids which react together rapidly to form a solid, liquids which are physically imcompatible, or liquids, such as paints, to provide novel optical ...
01/31/1989
4749125Nozzle method and apparatus
A nozzle apparatus and method for electrically charging and dispensing fluids and other flowable materials, comprising a fluid reservoir and a housing. The housing includes walls which define a chamber having an elongated slot at the tip thereof. The slot...
06/07/1988
4748043Electrospray coating process
An electrostatic coating system for applying very thin coating to a substrate in air at atmospheric pressure comprises a plurality of spaced capillary needles positioned in at least two rows and fed with coating liquid via a manifold. The needles are disp...
05/31/1988
4713257Spraying method and device for applying a film to a workpiece
A spray gun for applying a film to a workpiece has a spray head provided with an annular nozzle designed to discharge material which is to undergo pneumatic atomization. A second annular nozzle surrounds the pneumatic material discharge nozzle and is desi...
12/15/1987
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