Fluid control devices

Claim 1

A SELF-MOUNTING FLUID CONTROL DEVICE FOR CONTROLLING THE FLOW OF FLUID FROM A PASSAGE COMPRISING AN ELONGATED RETAINING MEMBER HAVING AN OPENING EXTENDING THERETHROUGH, SAID RETAINING MEMBER BEING ADAPTED FOR RECEPTION WITHIN THE PASSAGE TO BE SUPPORTED THEREBY, A GENERALLY L-SHAPED SUPPORT FRAME HAVING A PAIR OF LEGS, ONE OF SAID LEGS HAVING AN APERTURE THEREIN THROUGH WHICH PASSES SAID RETAINING MEMBER, A MAGNETIC CORE HAVING AN OPENING EXTENDING THERETHROUGH, SAID OPENING BEING FORMED AS A BLEEDER ORIFICE AT ONE END AND RECEIVING SAID RETAINING MEMBER AT THE OTHER END SO THAT SAID CORE IS FIXEDLY SUPPORTED BY SAID RETAINING MEMBER, A COIL SURROUNDING SAID CORE, A MAGNETIC ARMATURE PIVOTALLY SUPPORTED AT THE FREE END OF THE OTHER OF SAID LEGS OF SAID SUPPORT FRAME WHICH OTHER LEG EXTENDS GENERALLY PARALLEL TO SAID CORE, AND RESILIENT MEANS BIASING SAID ARMATURE WITH RESPECT TO SAID SUPPORT FRAME WHEREBY SAID ARMATURE IS NORMALLY BIASED TO UNCOVER SAID ORIFICE, AND IS PIVOTED TO COVER SAID ORIFICE WHEN SAID COIL IS ENERGIZED TO STOP THE FLOW OF FLUID FROM THE PASSAGE THROUGH SAID ORIFICE.