Piezo electric impulse sensor

Details Piezo electric impulse sensor Piezo electric impulse sensor

1990-03-23

1992-06-23

Williams, Hezron E.

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 132

Patent

active

051232855

ABSTRACT:
An impulse sensor comprises a container vessel with a first cavity with an end wall, from which a force receiving member having an axially disposed elongated cavity extends; a transducer retainer member disposed in the first cavity in an affixed arrangement and having a second cavity with a deflective wall containing at least one Piezo electric element in a squeezed arrangement; and a force transmitting member anchored to and extending from the deflective wall of the second cavity, which force transmitting member extends through the end wall of the first cavity and into the elongated cavity included in the force receiving member and is secured to the closed end of the elongated cavity at the extremity thereof; wherein an impulse or force laterally exerted to the force receiving member changes the level of squeezing on the Piezo electric element and generates an electromotive force from the Piezo electric element.

REFERENCES:
patent: 4699012 (1987-10-01), Lew et al.
patent: 4803870 (1989-02-01), Lew
patent: 4976156 (1990-12-01), Lew
patent: 4986134 (1991-01-01), Lew

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