Patent · US Expired

Automatically controlled weigh feeding apparatus

US3967758A · kind A · utility

12Cited by
1References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 18, 1975
Grant dateJul 6, 1976
Priority date
Expiry dateFeb 18, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01G11/08
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Disclosed herein is an automatically controlled weigh feeding system including a container prefilled with a substance, a device for discharging the substance from the container at a controllable rate, apparatus for weighing the container and its contents and for producing an electrical signal proportional to that weight, apparatus actuated by the electrical signal for controlling the discharge of the substance from the container, and a detector circuit actuated by the electrical signal for producing an output which is responsive to predetermined excessive excursions of the electrical signal for locking the discharge control apparatus against deviation during the time of the excessive excursion.

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