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Class 239/371 - Concentrically arranged flow paths


Subclass of Class 239 - Fluid sprinkling, spraying, and diffusing
Definition: Apparatus in which the flow path for one of the fluids comprises
No. of patents: 27
Last issue date: 03/11/2008


NumberTitleIssue Date
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
7300039Environmental remediation method and apparatus
This invention relates to remediation systems, and more particularly to remediation systems for water, soil, and sediment bodies using thin-layer coated microbubbles. ...
11/27/2007
7070124Airbrush
An airbrush including a nozzle has a first connecting section and a polished second connecting section. A projecting stopper section is disposed between the first and second connecting sections. The second connecting section of the nozzle is inserted in a color outl...
07/04/2006
6824075Spray gun
A spray gun for atomizing fluid with compressed air comprises a housing having a handle, an atomizer nozzle, a guide sleeve having a U-shaped cross section which engages in the atomizer nozzle and is supported in the housing, and a valve needle which can be operated...
11/30/2004
6554202Fuel injection nozzle and method of use
The invention is directed to a stable capillary microjet and a monodisperse aerosol formed when the microjet dissociates. A variety of devices and methods are disclosed which allow for the formation of a stream of a first fluid (e.g. a liquid) characteriz...
04/29/2003
6455015Fluid-solid contacting chambers having multi-conduit, multi-nozzle fluid distribution
An apparatus and method for contacting fluids in a fluid-solids contacting chamber is disclosed. The fluid-solid contacting chamber has a plurality of beds, and the chamber comprises a plurality of conduits and outlet ports that are capable of providing i...
09/24/2002
6405936Stabilized capillary microjet and devices and methods for producing same
The invention is directed to a stable capillary microjet and a monodisperse aerosol formed when the microjet dissociates. A variety of devices and methods are disclosed which allow for the formation of a stream of a first fluid (e.g. a liquid) characteriz...
06/18/2002
6357670Stabilized capillary microjet and devices and methods for producing same
The invention is directed to a stable capillary microjet and a monodisperse aerosol formed when the microjet dissociates. A variety of devices and methods are disclosed which allow for the formation of a stream of a first fluid (e.g. a liquid) characteriz...
03/19/2002
6250568Squeeze bottle aspirator
A squeeze bottle atomizer comprised of a tube retainer having a product outlet port in a conical shaped central post through which fluid is expelled from within the container. A plurality of air inlet ports are located adjacent the central post and allow ...
06/26/2001
6241159Liquid atomization procedure
The object of the present invention is a liquid atomization procedure that uses appropriate geometric parameters and physical properties to ensure that the liquid to be atomized is discharged as a continuous, steady capillary microjet through a suitable o...
06/05/2001
6234402Stabilized capillary microjet and devices and methods for producing same
The invention is directed to a stable capillary microjet and a monodisperse aerosol formed when the microjet dissociates. A variety of devices and methods are disclosed which allow for the formation of a stream of a first fluid (e.g. a liquid) characteriz...
05/22/2001
6105881Air brush
An air brush having an easily installed nozzle member and a cost-effective extremity end member. The nozzle member is held between a nozzle cap and an outlet end of the main body of the air brush. The nozzle member is made such that it's front and rear pa...
08/22/2000
5916524Dispensing apparatus having improved dynamic range
A method and apparatus for dispensing precise quantities of reagents is disclosed including a positive displacement syringe pump in series with a dispenser, such as an aerosol dispenser or solenoid valve dispenser. The pump is controlled by a stepper moto...
06/29/1999
5743960Precision metered solenoid valve dispenser
A reagent dispensing apparatus is provided including a positive displacement syringe pump in series with a solenoid valve dispenser. The pump is controlled by a stepper motor or the like to provide an incremental quantity or continuous flow of reagent to ...
04/28/1998
5738728Precision metered aerosol dispensing apparatus
A reagent dispensing apparatus is provided including a positive displacement syringe pump in series with an air brush dispenser. The pump is controlled by a stepper motor or the like to provide incremental or continuous flow of reagent to the air brush di...
04/14/1998
5520337Controllable discharge head for controlling the flow media delivered therethrough
A discharge head is connected to a double pump for air and liquid. The air and liquid are separately passed by pump actuation through a flow calming member and then into a combining member in a way such that the air enters in the form of numerous individu...
05/28/1996
5445288Liquid dispenser for dispensing foam
There is disclosed a foaming device for dispensing foam. The device includes a collapsible liquid container and a foam pump attached to the container outlet. The foam pump includes two enclosures, the first being bonded in the throat of the container and ...
08/29/1995
4998993Spraying gun
There is disclosed a spraying gun in which the direction of the spray can be changed to make it possible to spray onto the back side of the object being sprayed. The gun comprises a feeding unit, a spraying unit and a connecting pipeline....
03/12/1991
4991779Foam generating device
A foam producing device for the alternative dispensing of foams or liquids comprising a porous element a partially gas permeable wall, a gas distributing plenum a gas entry port in fluid connection with said plenum; a second wall opposite the outer surfac...
02/12/1991
4971251Spray gun with disposable liquid handling portion
A liquid spray gun including (1) a reusable air gun portion including a manually operable valve for controlling air flow; and (2) a disposable container and spray nozzle assembly including a sheet of flexible material having portions attached together and...
11/20/1990
4936511Spray gun with disposable liquid handling portion
A liquid spray gun including (1) a reusable air gun portion including a manually operable valve for controlling air flow; and (2) a disposable container and spray nozzle assembly including a sheet of flexible material having portions attached together and...
06/26/1990
4901925Foam generating device
An article for generating foams from foamable liquids and pressurized gases comprising a housing encompassing a hollow porous element in fluid connection with the gas source through an inlet port in the housing, a mixing chamber comprising the space betwe...
02/20/1990
4804144Apparatus for dispensing viscous materials
A pneumatic, syphon type apparatus particularly advantageous for dispensing and applying viscous materials in a spray form features, in a preferred embodiment, a throwaway eductor assembly which slip fits to the delivery end of a tubular structure adapted...
02/14/1989
4411387Manually-operated spray applicator
A manually-operated spray applicator for discharging a coating fluid is comprised of a receiving chamber having inlet and outlet ports for respectively admitting and discharging coating fluid under pressure developed by a jet of air issuing slightly upstr...
10/25/1983
4335804Vortex-type oil mist generator
An oil mist generator of the vortex type comprises an oil storage chamber, a vortex chamber adapted to create a rotating flow of gas, and a duct having an inlet being in communication with the oil storage chamber and an outlet delivering the oil into the ...
06/22/1982
4301970Powered aerosol spray device
A powered aerosol spray device includes an internally disposed motor, a fluid reservoir and a baffle arrangement for filtering a liquid and air mixture in order to provide a fine micelles controlled spray....
11/24/1981
3977608Atomizing system and atomizing nozzle assembly
An atomizing system including an improved nozzle assembly in which one or more fluids are mixed and dispersed as droplets from a conical bore controlled by means for adjusting the size of a dispersal orifice in conjunction with means for automatically ope...
08/31/1976
 
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