Accession Number : ADD005270

Title :   Liquid Level Control System.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Marmon,Frank E

Report Date : 20 Jun 1978

Pagination or Media Count : 6

Abstract : A system for controlling liquid flow from an inlet into a tank comprising a normally closed poppet valve controlled by dual pressure chambers each containing a diaphragm movable by the pressure of the liquid in the inlet to cause the valve to close. Pressure against the diaphragms is relieved by bleed passages extending from the chambers which are closed by dual solenoid operated closing mechanisms. Actuation of either one or both of the mechanisms can open the bleed passages. (Author)

Descriptors :   *Patents, *Liquid level control, *Control systems, Fuel systems, Aircraft equipment, Fluid flow

Subject Categories : Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE