Patents Assigned to Cypro, Incorporated
  • Apparatus for controlling liquid level in a reservoir
    Patent number: 4207030
    Abstract: A balance beam adjustable for a desired liquid level in a reservoir is under the control of a device responsive to pressure head in a main leading from, and reflecting the liquid level in, the reservoir, the beam being in charge of a pump control for one or more pumps for activating the pumps when required when the liquid level drops in the reservoir, whereby to substantially maintain the liquid level. A timer-operated anti-stagnation or anti-icing control device is provided in association with the beam.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: June 10, 1980
    Assignee: Cypro, Incorporated
    Inventor: William S. Pearson