Patent ID: 6119720
Filing Date: 2000-09-19
Classification: F16K,G01F,G01M,Y10T

Abstract:
A flood control device comprising:a housing having an inlet and an outlet;an impeller which rotates a specified number of times for a given volume of fluid flowing into the inlet;a detector for sensing rotation of said impeller;an electronic circuit coupled to said detector and configured to count the number of rotations of said impeller;a solenoid activated by said electronic circuit;a trigger activated by said solenoid;a spring loaded shaft releasably restrained in place by said trigger;a rotatable shut-off valve coupled to said spring loaded shaft such that when said trigger is activated so as to release said spring loaded shaft from being restrained by said trigger, said spring loaded shaft rotates so as to close said outlet and stop fluid flow through the flood control device.