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Class Information
Number: 137/819
Name: Fluid handling > Flow affected by fluid contact, energy field or coanda effect (e.g., pure fluid device or system) > System comprising plural fluidic devices or stages > Plural power inputs (e.g., parallel inputs) > To cascaded plural devices
Description: System provided with two or more fluidic devices arranged in a series array, and also provided with a connection from a power output passage of a first of said devices to a control input passage of a second of said devices that is downstream of said first device.










Sub-classes under this class:

Class Number Class Name Patents
137/820 With feedback passage(s) between devices of cascade 13
137/821 With pulsed control-input signal 8


Patents under this class:

Patent Number Title Of Patent Date Issued
7000638 Diverter valve with multiple valve seat rings Feb. 21, 2006
6827095 Modular microfluidic systems Dec. 7, 2004
6798859 Branch amplifier card Sep. 28, 2004
5697402 Apparatus for melt mixing synthetic polymers Dec. 16, 1997
5540248 Fluidic sound amplification system Jul. 30, 1996
5271431 Microvalve Dec. 21, 1993
4934409 T junction interconnected multistage fluidic gainblock Jun. 19, 1990
4874016 Method for improving signal-to-noise ratios in fluidic circuits and apparatus adapted for use therewith Oct. 17, 1989
4678009 Fluidic complementary gain changing circuit Jul. 7, 1987
4501293 Gas flow responsive signal output means Feb. 26, 1985
4413795 Fluidic thruster control and method Nov. 8, 1983
4369811 Null balancing for fluidic sensors and amplifiers Jan. 25, 1983
RE30870 Electromagnetic fluidics system and method Feb. 23, 1982
4258754 Method and apparatus for fluid sound amplification and detection of low frequency signals Mar. 31, 1981
4144906 Programmable fluidic pressure-to-electronic interface system Mar. 20, 1979
4113079 Press brake control circuit Sep. 12, 1978
4019697 Fluidic approach power compensator control system Apr. 26, 1977
3991790 Patient ventilator trigger circuit Nov. 16, 1976
3986527 Laminar flow digital logic elements with feedback Oct. 19, 1976
3957234 Fluidically controlled cargo hook controlled system May. 18, 1976
3957233 Fluidically controlled cargo hook controlled system May. 18, 1976











 
 
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