Material level sensing device

Details Material level sensing device Material level sensing device

1991-04-10

1992-09-29

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

With other measuring device

73308, 340623, 361179, 241 33, G01K 2360, B02C 904

Patent

active

051506130

ABSTRACT:
A material level sensing device for detecting when the level of unprocessed material has reached a predetermined threshold includes a contact-type probe extending from a housing into a retaining bowl where unprocessed material is collected before processing. Within the housing is disposed a proximity sensor. The housing itself is suspended from an overhanging support. When the material level reaches the predetermined threshold, the material displaces the material level sensor, which displacement is sensed by the proximity sensor. The proximity sensor then sends a signal to an external system indicating that the material has reached the threshold.

REFERENCES:
patent: 1573310 (1926-02-01), Foulds
patent: 3359799 (1967-12-01), Lubin
patent: 3412292 (1968-11-01), Forbes
patent: 4804148 (1989-02-01), Etheridge
patent: 4909449 (1990-03-01), Etheridge

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