Heating system for tunnel baking oven and like heating chambers

Claim 1

A HEATING SYSTEM FOR TUNNEL BAKING OVENS ADAPTED FOR BAKING ARTICLES OF FOOD AND LIKE HEATING CHAMBERS COMPRISING A PLURALITY OF METAL HEATING GAS TUBES PASSING ABOVE AND BELOW THE OVEN TUNNEL SPACE IN THE LONGITUDINAL DIRECTION THEREOF, A LONGITUDINALLY EXTENDING PARTITION WALL POSITIONED WITHIN EACH OF AT LEAST A GROUP OF SAID TUBES, THE FORWARD END OF EACH OF SAID PARTITION WALLS TERMINATING WITHIN THE PATH OF THE FLAME OF A BURNER ARRANGED OPPOSITE TO THE ENTRANCE OF EACH OF SAID TUBES AND EXTENDING IN A DIRECTION CORRESPONDING TO THE DIRECTION OF EACH SAID BURNER FLAME PATH TO GUIDE THE HEATING GASES FROM THE BURNER INTO AND THROUGH THE TUBE ABOVE AND BELOW THE PARTITION WALL THEREIN, AND MEANS FOR ADJUSTING THE PROPORTIONAL AMOUNT OF HEATING GASES STREAMING ABOVE AND BELOW THE SAID PARTITION WALL THROUGH THE SAID TUBE IN RESPONSE TO A WARPING MOVEMENT OF THE END OF THE SAID TUBE OPPOSITE THE SAID BURNER BY WHICH THE POSITION OF THE SAID PARTITION WALL AT THE SAID TUBE END OPPOSITE THE BURNER IS ALTERED WITH RESPECT TO THE CENTER LINE OF THE SAID BURNER.