Vent valve with centrifugally actuated flow control means in outlet

Claim 1

A VALVE DEVICE OF THE CHARACTER DEFINED COMPRISING A PLUG HAVING A LARGE DIAMETER CENTRAL BODY AND AN EXTERNALLY THREADED LOWER END FOR COUPLING WITH A SUITABLE SUPPORT, AN INTERNALLY THREADED CAP DETACHABLY COUPLED WITH AN UPPER EXTERNALLY THREADED END OF THE PLUG, SAID PLUG HAVING A BORE EXTENDING THROUGH UPPER AND LOWER ENDS THEREOF, THE CAP HAVING A DISCHARGE CHAMBER BEYOND UPPER END LIMITS OF THE PLUG, SAID CHAMBER TERMINATING IN A DISCHARGE PORT AT THE UPPER END OF THE CAP, A FLOW CONTROL DISC MOUNTED IN THE THREADS OF THE CAP BEYOND SAID PLUG AND FORMING THE BASE OF SAID DISCHARGE CHAMBER, SAID DISC HAVING DISCHARGE OPENINGS AT PERIPHERAL PORTIONS THEREOF PLACING THE BORE OF SAID PLUG IN COMMUNICATION WITH SAID DISCHARGE CHAMBER, SAID DISCHARGE OPENINGS BEING CONSTRUCTED AND ARRANGED IN SUCH MANNER AS TO PRODUCE A VORTICAL WHIRL OF FLUID PASSING THERETHROUGH FROM THE BORE TOWARD THE DISCHARGE PORT, A MEMBER MOUNTED IN THE DISCHARGE CHAMBER ACTED UPON BY THE FLOW OF A MEDIUM PASSED THROUGH SAID DISCHARGE OPENINGS, SAID MEMBER BEING CONSTRUCTED SO AS TO BE CENTRIFUGALLY ACTUATED IN SAID DISCHARGE CHAMBER BY SAID VORTICAL FLOW, THE LOWER PORTION OF THE BORE OF SAID PLUG HAVING AN O-RING VALVE SEAT, A VALVE ELEMENT INCLUDING A STEM FREELY ARRANGED IN THE BORE OF SAID PLUG, AND THE UPPER END OF SAID STEM BEING SPACED WITH RESPECT TO SAID DISC WHEN THE VALVE ELEMENT IS IN SEATED POSITION ON SAID O-RING VALVE SEAT.