Fluid control means

Claim 1

A GAS PILOT STRUCTURE COMPRISING: A VALVE BODY HAVING A PILOT PORT EXTENDING THERETHROUGH; A VALVE SEAT ARRANGED IN SAID PORT; A VALVE MEMBER MOVABLE FROM A POSITION IN SAID SEAT BLOCKING THE PILOT PORT TO A POSITION REMOTE THEREFROM PERMITTING FREE FLOW OF GAS THROUGH THE PORT; A PILOT STEM SPACED SLIGHTLY FROM THE OUTLET OF SAID PORT; A CHAMBER SURROUNDING SAID STEM CONFINING AIR IN PROXIMITY WITH THE PATH OF TRAVEL OF GAS FROM THE PORT TO THE STEM; A TARGET POSITIONED ADJACENT THE OUTLET OF SAID STEM UPON WHICH A FLAME PRODUCED BY THE IGNITION OF THE GAS FLOWING THROUGH SAID STEM WILL IMPINGE; A THERMALLY RESPONSIVE ARM POSITIONED ADJACENT SAID TARGET UPON WHICH A PORTION OF THE FLAME IMPINGING SAID TARGET WILL BE DEFLECTED; A MAGNET SUPPORTED BY SAID ARM IN PROXIMITY TO SAID VALVE; AN ARMATURE SUPPORTING SAID VALVE MEMBER; AND A SPRING BIASING SAID ARMATURE AND SAID VALVE MEMBER SUPPORTED THEREBY AGAINST SAID VALVE SEAT WHEREBY THE HEATING OF SAID ARM WILL WRAP SAME TO CAUSE SAID MAGNET TO MOVE TO A POSITION ATTRACTING SAID ARMATURE AGAINST THE ACTION OF SAID SPRING TO PERMIT THE FLOW OF GAS THROUGH SAID VALVE PORT.