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Class Information
Number: 137/835
Name: Fluid handling > Flow affected by fluid contact, energy field or coanda effect (e.g., pure fluid device or system) > Device including passages having v over t configuration > And feedback passage(s) or path(s)
Description: Device further provided with means permitting at least a portion of the fluid exiting from said common zone via said fourth or fifth passage to be diverted from its exit passage and returned to said common zone.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8646483 Cross-flow fluidic oscillators for use with a subterranean well Feb. 11, 2014
8550120 Apparatus and method for oscillating fluid jets Oct. 8, 2013
8517108 Vortex controlled variable flow resistance device and related tools and methods Aug. 27, 2013
8517105 Vortex controlled variable flow resistance device and related tools and methods Aug. 27, 2013
8517106 Vortex controlled variable flow resistance device and related tools and methods Aug. 27, 2013
8517107 Vortex controlled variable flow resistance device and related tools and methods Aug. 27, 2013
8453745 Vortex controlled variable flow resistance device and related tools and methods Jun. 4, 2013
8381817 Vortex controlled variable flow resistance device and related tools and methods Feb. 26, 2013
8272404 Fluidic impulse generator Sep. 25, 2012
7909094 Oscillating fluid flow in a wellbore Mar. 22, 2011
7832430 Loss reduction apparatus Nov. 16, 2010
7404416 Apparatus and method for creating pulsating fluid flow, and method of manufacture for the apparatus Jul. 29, 2008
7055541 Method and mechanism for producing suction and periodic excitation flow Jun. 6, 2006
6976507 Apparatus for creating pulsating fluid flow Dec. 20, 2005
6553844 Property-independent volumetric flowmeter and sonic velocimeter Apr. 29, 2003
RE38013 Liquid spray systems Mar. 4, 2003
6457658 Two-level nozzles with integrated or built-in filters and method Oct. 1, 2002
6253782 Feedback-free fluidic oscillator and method Jul. 3, 2001
6250132 Method and apparatus for real time gas analysis Jun. 26, 2001
6186409 Nozzles with integrated or built-in filters and method Feb. 13, 2001
5906224 Reserve fuel valve and method for making May. 25, 1999
5820034 Cylindrical fluidic circuit Oct. 13, 1998
5749525 Fluidic washer systems for vehicles May. 12, 1998
5626166 Temperature control valve without moving parts May. 6, 1997
5524660 Plate-type spray nozzle and method of use Jun. 11, 1996
5448969 Fluidic burner Sep. 12, 1995
5195560 Adjustable low frequency hydrofluidic oscillator Mar. 23, 1993
5129585 Spray-forming output device for fluidic oscillators Jul. 14, 1992
4982753 Wafer etching, cleaning and stripping apparatus Jan. 8, 1991
4955547 Fluidic oscillating nozzle Sep. 11, 1990
4943007 Spray generators Jul. 24, 1990
4905909 Fluidic oscillating nozzle Mar. 6, 1990
RE33158 Fluidic oscillator with resonant inertance and dynamic compliance circuit Feb. 6, 1990
RE33159 Fluidic oscillator with resonant inertance and dynamic compliance circuit Feb. 6, 1990
4844128 Inhanced output opto-fluidic device Jul. 4, 1989
4838091 Fludic oscillator flowmeters Jun. 13, 1989
4833880 Fluidic set point amplifier apparatus and method, and uses thereof May. 30, 1989
4774975 Method and apparatus for providing oscillating contaminant-removal stream Oct. 4, 1988
4733695 Fluidic set-point pressure sensor Mar. 29, 1988
4678009 Fluidic complementary gain changing circuit Jul. 7, 1987
4570675 Pneumatic signal multiplexer Feb. 18, 1986
4565220 Liquid metering and fluidic transducer for electronic computers Jan. 21, 1986
4562867 Fluid oscillator Jan. 7, 1986
4523611 Fluidic absolute-to-differential pressure converter Jun. 18, 1985
4508127 Fuel mass flow measurement and control system Apr. 2, 1985
4508267 Liquid oscillator device Apr. 2, 1985
4482366 Pulse-type cleaning means for filter panels Nov. 13, 1984
4373553 Broad band flueric amplifier Feb. 15, 1983
4291395 Fluid oscillator Sep. 22, 1981
4276895 Apparatus and method for temperature compensation of fluidic circuits Jul. 7, 1981

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