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8143318 Ultrasonic treatment chamber for preparing emulsions  
An ultrasonic mixing system having a treatment chamber in which at least two separate phases can be mixed to prepare an emulsion is disclosed. Specifically, at least one phase is a dispersed phase...
7976529 High flow volume nasal irrigation device and method for alternating pulsatile and continuous fluid flow  
A high flow volume nasal irrigation device for alternating pulsatile and continuous fluid flow includes a segmented dip tube with a free end extending inside a squeeze bottle configured to convey a...
7727363 Microfluidic device and methods for focusing fluid streams using electroosmotically induced pressures  
A microfabricated device employing a bridging membrane and methods for electrokinetic transport of a liquid phase biological or chemical material using the same are described. The bridging membrane...
7651036 Three jet island fluidic oscillator  
A fluidic oscillator suitable for use at colder temperatures for utilizing a pressurized liquid to generate a uniform spatial distribution of droplets has (a) an inlet for the pressurized liquid,...
7478764 Fluidic oscillator for thick/three-dimensional spray applications  
An improved fluidic insert, that operates on a pressurized liquid flowing through the insert to generate a jet of liquid that flows from said insert and into the surrounding gaseous environment to...
7472848 Cold-performance fluidic oscillator  
A fluidic oscillator suitable for use at colder temperatures for generating an exhaust flow in the form of an oscillating spray of fluid droplets has an inlet for pressurized fluid, a pair of power...
7472847 Fluidic device  
For achieving a fluidic device, being able to be made small in sizes, comprising a fluid inflow opening 1, a connector duct 2, and a fluid jet nozzle, wherein the connector duct 2 is constructed...
7128082 Method and system for flow control with fluidic oscillators  
A system for control of a fluid flow. The system includes an array of fluidic oscillators. Each fluidic oscillator carries an oscillating flow of the fluid and includes a throat, an input port...
7096888 Fluidic pulse generator system  
A fluidic pulse generator system includes two fluidic diverter valves that are both controlled by a single fluidic pilot valve. The fluidic pilot valve and the two fluidic diverter valves are each...
7080664 Fluid amplifier with media isolation control valve  
A fluid amplifier is presented. The fluid amplifier comprises at least one control valve for controlling at least one of a first control fluid flow and a second control fluid flow. That is, the...
7077152 Microfluidic metering systems and methods  
Systems and methods for metering microfluidic volumes are provided. A discrete plug may be separated from a larger volume of first fluid by injecting a second fluid, such as a gas, into a channel...
7055541 Method and mechanism for producing suction and periodic excitation flow  
A method and mechanism of producing a suction and periodic excitation flow. The method includes providing fluid flow from jet port with diameter dl at a controlled input pressure (Pin), directing...
7051754 Immediate hot water supply device  
In a hot water distribution system, the water oscillation in hot water supply line maintains hot water line in heated condition by ensuring heat transfer from the water heater to a hot water line...
7044163 Drag reduction in pipe flow using microbubbles and acoustic energy  
Methods and apparatus for reducing drag in fluid flow through pipes that utilizes microbubbles and acoustic energy are provided. A gas ejector for microbubble generation in a pipe is provided and...
6976507 Apparatus for creating pulsating fluid flow  
A fluidic oscillator is disclosed, wherein the fluidic oscillator includes a fluid source and a housing coupled to the fluid source. At least one recess is formed within the housing. An insert...
6948244 Method of molding fluidic oscillator devices  
Methods of molding fluidic oscillator device having at least a power nozzle for projecting a jet of liquid into an interaction region with an upstream end, opposing side walls, opposing top and...
6805164 Means for generating oscillating fluid jets having specified flow patterns  
A fluidic oscillator capable of generating free fluid jets having distinctive, controllable and industrially/commercially useful flow patterns has a switching chamber having an inlet port that...
6536457 Fluid and fuel delivery systems reducing pressure fluctuations and engines including such systems  
Fluid and fuel delivery systems reducing pressure fluctuations and engines including such systems are disclosed. Such systems use a conduit that attenuates pressure fluctuations. Preferably, the...
6520197 Continuous laminar fluid mixing in micro-electromechanical systems  
A micro-electromechanical system and method for continuous laminar fluid mixing. An embodiment of the invention described in the specification includes a mixing channel, a first delivery channel...
6497375 Fluidic nozzle with multiple operating modes  
A fluidic nozzle having multiple operating modes comprising a fluidic oscillator circuit having an oscillation chamber having an upstream end and a downstream end and a power nozzle at the upstream...
6435214 Apparatus for reducing dissipation rate of fluid ejected into boundary layer  
A method and apparatus for ejecting a second fluid into the near-wall region of the boundary layer of a first fluid, so that the second fluid hugs the wall. This alone reduces drag by modifying the...
6408866 Fluidic oscillator, part designed to be incorporated in a fluidic oscillator and method for making such a fluidic oscillator  
The invention provides a fluidic oscillator that is symmetrical about a longitudinal plane of symmetry (P), comprising an enclosure defining an oscillation chamber and having an inlet opening and...
6360763 Control of flow separation with harmonic forcing and induced separation  
A diffuser (7) has a step (12) in the surface (9) just upstream of a point where boundary layer separation might occur. An acoustic jet (22) has a nozzle (17) immediately downstream of the step...
6321790 Fluid oscillator with an extended slot  
The invention relates to a fluidic oscillator that is symmetrical about a longitudinal plane of symmetry, the oscillator comprising an opening enabling a fluid to enter into an "oscillation"...
6253782 Feedback-free fluidic oscillator and method  
A fluidic oscillator includes a member having an oscillation inducing chamber, at least one source of fluid under pressure, at least a pair of power nozzles connected to the at least one source of...
6240945 Method and apparatus for yawing the sprays issued from fluidic oscillators  
Fluidic oscillators with yawed liquid spray.
5983943 Fluidic oscillator comprising an obstacle with an improved profile  
The invention relates to a fluidic oscillator which is symmetrical with respective to a longitudinal symmetry plane, comprising a fluid inlet intended to form a bidimensional fluid jet which...
5971301 "Box" oscillator with slot interconnect  
A low pressure fluidic oscillator having an oscillation chamber having a centerline, and a pair of mutually facing and complementary-shaped sidewalls, planar top and bottom walls, upstream end and...
5893383 Fluidic Oscillator  
A fluidic oscillator is disclosed for providing oscillating flow to outlet ports (172, 173). The fluid oscillator (100) in one embodiment has no fluid communication between a pair of diverging...
5876187 Micropumps with fixed valves  
Micropumps fabricated by micromachining techniques and employing fixed or no-moving-parts valves. As one aspect of the invention, a laser-assisted chemical etching technique is employed for...
5819801 Method and device for producing periodical impulse changes in a fluid flow  
A device for automatically producing periodical impulse changes in a pressure line is provided with an elastic intermediate member impacted by a control pressure. Pressurizing the exterior of the...
5820034 Cylindrical fluidic circuit  
A fluidic oscillator comprises a housing having interior walls defining a cylindrical space therein, a fluidic oscillator is mounted in said cylindrical space and has an oscillating chamber having...
5785815 Process for damping pressure pulsations and apparatus for performing the process  
Process for damping pressure pulsations and apparatus for performing the process. The process of this invention serves for the damping of pressure pulsations in a fluid, particularly a fiber...
5638867 Fluidic oscillator having a wide range of flow rates, and a fluid meter including such an oscillator  
The invention provides a fluidic oscillator which is symmetrical about a longitudinal plane of symmetry (P), the oscillator comprising means for generating an oscillating two-dimensional fluid jet,...
5524660 Plate-type spray nozzle and method of use  
A plate-type nozzle and a method of using same to atomize a liquid are disclosed, wherein the nozzle contains at least one nozzle plate having formed on a common facial surface thereof at least one...
5363704 Fluidic oscillator and a flow meter including such an oscillator  
A fluidic oscillator and a flow meter including such a fluidic oscillator comprising a fluid inlet suitable for forming a two-dimensional jet: an obstacle possessing a front portion in the form of...
5362987 Fluidic generator  
A fluidic generator (38) employing a fluidic feedback oscillator (12) in combination with a magnetogenerator (41) is described. Oscillational changes in pressure produced within the feedback...
5265636 Fluidic rectifier  
A single-stage and multiple-stage fluidic rectifier wherein each stage has a trunk channel and a reversing channel that joins the trunk channel at a downstream position of the trunk channel,...
5230389 Fluidic oscillator drill bit  
A drilling bit having an irrigation system which uses an irrigating fluid. The bit comprises a hollow drill head 14 housing at least one fluidic oscillator 23, 23' which includes an accelerator...
5213269 Low cost, low pressure, feedback passage-free fluidic oscillator with interconnect  
A fluidic oscillator which is free of feedback passages has an oscillation chamber having a length greater than its width, a pair of mutually facing and complementary-shaped sidewalls, planar top...
5195560 Adjustable low frequency hydrofluidic oscillator  
A hydrofluidic oscillator including a momentum exchange fluidic amplifier coupled to a four-way reciprocal valve. The four-way valve is connected to control flow of hydraulic fluid from a source...
5181660 Low cost, low pressure, feedback passage-free fluidic oscillator with stabilizer  
A fluidic oscillator which is free of feedback passages has an oscillation chamber having a length greater than its width, a pair of mutually facing and complimentary-shaped sidewalls and planar...
5109832 Method of and apparatus for producing alternating pressure in a therapeutic device  
A method of and apparatus are disclosed for producing alternating pressure in a theapeutic device used to apply compressive forces to a portion of a human body to enhance venous blood flow and...
5035361 Fluid dispersal device and method  
A fluid dispersal device utilizes alternately pulsating vortices to cyclically oscillate a fluid stream transversely of its flow direction in a desired flow pattern. A pair of pulsating fluid...
4976155 Fluidic flowmeter  
A fluidic flowmeter is provided for measuring fluid flow comprising an inlet nozzle, a chamber and splitter located on a centerline with a feedback channel on each side of the chamber with the...
4949755 Fluidic volumetric fluid flow meter  
Fluidic volumetric flow meter method and apparatus wherein undesirable dynamic interaction (ringing) which could appear in an output signal is inhibited. Electrical isolation and shielding also...
RE33158 Fluidic oscillator with resonant inertance and dynamic compliance circuit  
The fluidic oscillator consists of a resonant fluid circuit having a fluid inertance and a dynamic fluid compliance. The inertance is a conduit interconnecting two locations of a chamber on each...
RE33159 Fluidic oscillator with resonant inertance and dynamic compliance circuit  
The fluidic oscillator consists of a resonant fluid circuit having a fluid inertance and a dynamic fluid compliance. The inertance is a conduit interconnecting two locations of a chamber on each...
4874016 Method for improving signal-to-noise ratios in fluidic circuits and apparatus adapted for use therewith  
A fluidic circuit (10) having two oscillators (22,24) which separately vent to a common volume (78) and receive pressurized fluid inputs along separate flow paths (54,56) is provided with filters...
4854176 Fluidic flowmeter  
A fluidic flowmeter having a reduced diameter pipe portion, a discharge nozzle and an enlarged diameter pipe portion disposed in series in the order of fluid flow direction, a pair of control...
Matches 1 - 50 out of 79 1 2 >