Method for improving signal-to-noise ratios in fluidic circuits

Details Method for improving signal-to-noise ratios in fluidic circuits Method for improving signal-to-noise ratios in fluidic circuits

1989-02-28

1989-10-17

Chambers, A. Michael

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

137819, 137820, 137833, 181233, F15C 108

Patent

active

048740160

ABSTRACT:
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 (80) positioned both upstream and downstream from each oscillator. Each of the filters (80) is adapted to attenuate oscillator-induced noise and comprises a series combination of an inductive element (82), a capacitive element (84), and an inductive element (86).

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"A Chemical Agent Calibrator Using Fluidic Oscillator Flowmeters" by John P. Grills, Chester W. Ross, U.S. Army Laboratory Command, Harry Diamond Laboratories, Adelphi, MD 20/83-1197.

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