Automatic actuated flow controlled valve

Claim 1

A FLUID FLOW CONTROLLING VALVE COMPRISING: AN ENCLOSURE; A VALVE ARM IN SAID ENCLOSURE; VALVE OPENING AND CLOSING MEANS MOVED BY SAID ARM; MEANS BIASING SAID ARM TO ONE CONTROL POSITION; AN ACTUATOR EXTENDING THROUGH THE ENCLOSURE FROM THE INTERIOR TO THE EXTERIOR OF SAID VALVE AND CONNECTED INTERIORLY OF THE VALVE TO MOVE SAID VALVE ARM TO ANOTHER CONTROL POSITION; SEALING MEANS ABOUT SAID ACTUATOR PROVIDING A SEAL THEREABOUT AS IT PASSES FROM THE INTERIOR TO THE EXTERIOR OF SAID VALVE, SAID SEALING MEANS BEING FLEXIBLE AND PROVIDING A PIVOTAL AXIS AT SAID PASSAGE POINT SOLELY BY ITS FLEXURE ABOUT WHICH SAID ACTUATOR ROTATES TO EFFECT MOVEMENT OF THE VALVE ARM FROM SAID ONE CONTROL POSITION TO THE OTHER CONTROL POSITION; A PERMANENT MAGNET MEMBER AND A MAGNETIC MEMBER COOPERATING THEREWITH; MEANS MOUNTING ONE OF SAID MEMBERS ON A FIXED PART; AND MEANS MOUNTING THE OTHER OF SAID MEMBERS ON SAID VALVE ARM SO AS TO EFFECT MOVEMENT OF SAID VALVE ARM IN OPPOSITE DIRECTIONS WITH A SNAP ACTION.