Analog electro-fluidic signal transducer

Details Analog electro-fluidic signal transducer Analog electro-fluidic signal transducer

1981-11-16

1984-04-10

Chambers, A. Michael

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

137822, 137833, F15C 104, F15C 114, F15C 106

Patent

active

044415265

ABSTRACT:
An analog electro-fluidic signal transducer utilizing one or a tandem series of laminar proportional amplifiers. The transducer has input passages at a varying pressure differential produced by movements of a piezoelectric bender bimorph between opposed nozzles in a pressurized chamber. The pressure in the chamber and the excursion of the bender between the nozzles relative to the nozzle diameters are limited to minimize turbulence and achieve a pressure differential between the input passages that varies proportionally to or as an analog of a voltage applied to the bender. The pressure differential between the input passages is amplified by the amplifier or plural amplifiers in tandem series.

REFERENCES:
patent: 3451412 (1969-06-01), Render
patent: 3565090 (1971-02-01), Miller
patent: 3638671 (1972-02-01), Harvey et al.
patent: 3965918 (1976-06-01), Finkbeiner et al.

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