Patent ID: 6047698
Filing Date: 2000-04-11
Classification: A62B,F16K,Y10T

Abstract:
A unidirectional fluid valve, includinga flexible flap initially formed as a flat resilient member,a valve body for receiving and supporting the flexible flap,the valve body having a seat portion completely formed in a flat plane to support the flexible flap and with the flexible flap contoured to make contact with and seal to the seat when fluid is not passing through the valve body and being free to lift from the seat when fluid passes through the valve body, andthe valve body additionally including an arm located off center relative to the flap and extending inwardly in the valve body to contact the flexible flap off center to push the flexible flap at a position to deform the flexible flap to contour a concave configuration for the flexible flap to form a secured end and a free end for the flap so that both the secured end and free end of the flexible flap normally are pushed into sealing engagement with the seat completely formed in the flat plane when fluid is not passing through the valve body and the free end can move away from the seat completely formed in the flat plane when fluid passes through the valve body.