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Class Information
Number: 137/837
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 > With particular characteristics of control input > Multiple control-input passages
Description: Device wherein the special structure includes a plurality of second passages or a plurality of third passages, the number of passages permitting control-input signal to enter the common zone thus being three or more.

Patents under this class:

Patent Number Title Of Patent Date Issued
8550120 Apparatus and method for oscillating fluid jets Oct. 8, 2013
8439117 Vortex controlled variable flow resistance device and related tools and methods May. 14, 2013
8327885 Flow path control based on fluid characteristics to thereby variably resist flow in a subterranean well Dec. 11, 2012
8272404 Fluidic impulse generator Sep. 25, 2012
4678009 Fluidic complementary gain changing circuit Jul. 7, 1987
4194095 Fluid flow control speaker system Mar. 18, 1980
4164961 Fluidic pressure/flow regulator Aug. 21, 1979
4029127 Fluidic proportional amplifier Jun. 14, 1977
3986527 Laminar flow digital logic elements with feedback Oct. 19, 1976
3938557 Liquid fluidic device Feb. 17, 1976

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