×

Method and apparatus for monitoring liquid volume/mass in tanks

  • US 4,729,245 A
  • Filed: 01/02/1986
  • Issued: 03/08/1988
  • Est. Priority Date: 01/02/1986
  • Status: Expired due to Fees
First Claim
Patent Images

1. Apparatus for measuring the quantity of a mass of fluid material of known dielectric constant and conductivity present in a tank comprising:

  • (a) a transmitter means for transmitting radio frequency electromagnetic energy for exciting the tank with such electromagnetic energy; and

    (b) receiver means responsive to said transmitter means for determining the ratio of the power entering the tank versus the power reflected from the tank as a function of frequency of the electromagnetic energy.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×