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Class Information
Number: 137/826
Name: Fluid handling > Flow affected by fluid contact, energy field or coanda effect (e.g., pure fluid device or system) > Means to regulate or vary operation of device > To vary frequency of pulses or oscillations
Description: Device wherein the output stream of the device is in the form of a succession of bursts of fluid issuing from a single outlet or issuing alternatively from two or more outlets, and wherein the change that is produced is a change in the time interval of or between said bursts of fluid.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8528589 Manipulation of microfluidic droplets Sep. 10, 2013
8524154 System and method for pseudo-continuous measurement of metabolite concentrations in a mammalian body Sep. 3, 2013
8505583 Method and apparatus for generating high-speed pulsed fluid jets Aug. 13, 2013
8475712 Arrangement for neutralisation or microorganisms Jul. 2, 2013
8143318 Ultrasonic treatment chamber for preparing emulsions Mar. 27, 2012
7976529 High flow volume nasal irrigation device and method for alternating pulsatile and continuous fluid flow Jul. 12, 2011
7727363 Microfluidic device and methods for focusing fluid streams using electroosmotically induced pressures Jun. 1, 2010
7651036 Three jet island fluidic oscillator Jan. 26, 2010
7478764 Fluidic oscillator for thick/three-dimensional spray applications Jan. 20, 2009
7472848 Cold-performance fluidic oscillator Jan. 6, 2009
7472847 Fluidic device Jan. 6, 2009
7267290 Cold-performance fluidic oscillator Sep. 11, 2007
7128082 Method and system for flow control with fluidic oscillators Oct. 31, 2006
7096888 Fluidic pulse generator system Aug. 29, 2006
7080664 Fluid amplifier with media isolation control valve Jul. 25, 2006
7077152 Microfluidic metering systems and methods Jul. 18, 2006
7055541 Method and mechanism for producing suction and periodic excitation flow Jun. 6, 2006
7051754 Immediate hot water supply device May. 30, 2006
7044163 Drag reduction in pipe flow using microbubbles and acoustic energy May. 16, 2006
6976507 Apparatus for creating pulsating fluid flow Dec. 20, 2005
6948244 Method of molding fluidic oscillator devices Sep. 27, 2005
6805164 Means for generating oscillating fluid jets having specified flow patterns Oct. 19, 2004
6536457 Fluid and fuel delivery systems reducing pressure fluctuations and engines including such systems Mar. 25, 2003
6520197 Continuous laminar fluid mixing in micro-electromechanical systems Feb. 18, 2003
6497375 Fluidic nozzle with multiple operating modes Dec. 24, 2002
6435214 Apparatus for reducing dissipation rate of fluid ejected into boundary layer Aug. 20, 2002
6408866 Fluidic oscillator, part designed to be incorporated in a fluidic oscillator and method for making such a fluidic oscillator Jun. 25, 2002
6360763 Control of flow separation with harmonic forcing and induced separation Mar. 26, 2002
6321790 Fluid oscillator with an extended slot Nov. 27, 2001
6253782 Feedback-free fluidic oscillator and method Jul. 3, 2001
6240945 Method and apparatus for yawing the sprays issued from fluidic oscillators Jun. 5, 2001
6237636 Apparatus for reducing dissipation rate of fluid ejected into boundary layer May. 29, 2001
5983943 Fluidic oscillator comprising an obstacle with an improved profile Nov. 16, 1999
5971301 "Box" oscillator with slot interconnect Oct. 26, 1999
5893383 Fluidic Oscillator Apr. 13, 1999
5876187 Micropumps with fixed valves Mar. 2, 1999
5820034 Cylindrical fluidic circuit Oct. 13, 1998
5819801 Method and device for producing periodical impulse changes in a fluid flow Oct. 13, 1998
5785815 Process for damping pressure pulsations and apparatus for performing the process Jul. 28, 1998
5638867 Fluidic oscillator having a wide range of flow rates, and a fluid meter including such an oscillator Jun. 17, 1997
5524660 Plate-type spray nozzle and method of use Jun. 11, 1996
5363704 Fluidic oscillator and a flow meter including such an oscillator Nov. 15, 1994
5362987 Fluidic generator Nov. 8, 1994
5265636 Fluidic rectifier Nov. 30, 1993
5230389 Fluidic oscillator drill bit Jul. 27, 1993
5213269 Low cost, low pressure, feedback passage-free fluidic oscillator with interconnect May. 25, 1993
5195560 Adjustable low frequency hydrofluidic oscillator Mar. 23, 1993
5181660 Low cost, low pressure, feedback passage-free fluidic oscillator with stabilizer Jan. 26, 1993
5165438 Fluidic oscillator Nov. 24, 1992
5109832 Method of and apparatus for producing alternating pressure in a therapeutic device May. 5, 1992

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