Patent ID: 9320882
Filing Date: 2016-04-26
CPC Classification: A61F,A61M,F16K

Claim Text:
1. A flow control device comprising: an inlet housing; a magnet housing disposed in said inlet housing, said magnet housing having an aperture formed therein for receiving a stationary magnet therein, said magnet housing having an annular shoulder with an annular aperture formed therein and an annular ring projecting from said annular shoulder and surrounding said annular aperture; a flap magnet disposed at said annular shoulder and for being attracted to said stationary magnet and held against said annular ring counter to pressure of a fluid in the flow control device, said stationary magnet and said flap magnet sized for having an attraction force set to a predetermined value, which when exceeded by the pressure of the fluid acting on said flap magnet at said annular aperture results in the flap magnet pivoting away from said annular aperture at an angle while remaining at least partially in contact with said magnet housing.