Patent · US Expired

Bin depth monitor

US4047434A · kind A · utility

11Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 6, 1976
Grant dateSep 13, 1977
Priority date
Expiry dateFeb 6, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F23/241
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A device for monitoring the amount or depth of silage or similar material retained in a silo or like structure is disclosed. A number of sensors are vertically arrayed in and on a silo wall, and each sensor senses the presence or absence of silage in its immediate vicinity. An electrical circuit includes a visual display device such as a liquid crystal display for indicating the amount of material in the silo.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.