Liquid fuel burning apparatus

Claim 1

LIQUID FUEL BURNING APPARATUS FOR CONNECTION TO A COMBUSTION CHAMBER, COMPRISING A CYLINDRICAL CASING, AN AIR CHEST SURROUNDING SAID CASING AND HAVING AN OUTER WALL SPACED FROM THE OUTER END OF THE CASING TO DEFINE AN AIR INLET THEREBETWEEN, A FIXED TUBE SECURED TO SAID OUTER WALL AND EXTENDING TO A POSITION ADJACENT SAID OUTER END OF THE CASING, A BURNER TUBE SLIDABLY MOUNTED IN SAID FIXED TUBE AND EXTENDING THEREFROM AXIALLY THROUGH THE CASING, MEANS FOR MOVING THE BURNER TUBE AXIALLY WITHIN THE FIXED TUBE BETWEEN AN OPERATIVE POSITION AND AN INOPERATIVE POSITION, AN ANNULAR DISC SURROUNDING SAID FIXED TUBE AND AXIALLY SLIDABLE ON THE EXTERIOR THEREOF, A SPINDLE, MEANS MOUNTING SAID SPINDLE ON SAID OUTER WALL FOR SLIDING MOVEMENT IN A DIRECTION PARALLEL TO SAID FIXED TUBE, THE INNER END OF SAID SPINDLE EXTENDING THROUGH A HOLE IN THE ANNULAR DISC, AN ABUTMENT AT THE INNER END OF THE SPINDLE, SAID ABUTMENT ENGAGING THE DISC WHEN THE ABUTMENT IS MOVED TOWARDS THE OUTER WALL SO AS TO MOVE THE DISC TOWARDS THE OUTER WALL, AN ANNULAR RING CLOSELY SURROUNDING THE PERIPHERY OF THE DISC, MEANS SECURING SAID RING TO THE SPINDLE, AN INWARDLY DIRECTED FLANGE AT THE EDGE OF THE RING ENGAGEABLE WITH SAID DISC TO MOVE THE DISC TOWARDS THE CASING WHEN THE RING IS MOVED TOWARDS THE CASING BY MEANS OF THE SPINDLE, MOVEMENT OF SAID SPINDLE TOWARDS THE CASING BEING HALTED BY SAID RING ENGAGING THE CASING AND FORMING WITH THE DISC AN AIR-TIGHT SEAL BETWEEN THE INTERIOR OF THE CASING AND THE AIR CHEST, AND A STOP ON THE FIXED TUBE LIMITING MOVEMENT OF THE DISC TOWARDS THE CASING TO A POSITION IN WHICH THE DISC IS SPACED FROM SAID ABUTMENT, WHEREBY MOVEMENT OF THE SPINDLE AWAY FROM THE CASING SERVES TO MOVE THE RING TO BREAK SAID AIR SEAL BEFORE THE DISC IS MOVED.