Vibrator-type level sensor

Details Vibrator-type level sensor Vibrator-type level sensor

1986-07-21

1988-04-26

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310317, 310 23, 310323, 73290V, 340621, H01L 4108

Patent

active

047407263

ABSTRACT:
A vibrator-type level sensor having a detecting pipe (20) in which an inner vibration member (22) with piezo-electric devices (8a) (8b) (8c) is mounted, the detecting pipe (20) and the inner vibration member (22) constituting a folded cantilever.

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patent: 4213337 (1980-07-01), Langdon
patent: 4325416 (1982-04-01), Hermann
patent: 4540981 (1985-09-01), Lapetina et al.
patent: 4594584 (1986-06-01), Pfeiffer

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