Cooking device provided with air curtain

Claim 1

A COOKING DEVICE OF THE TYPE ADAPTED FOR BURNING CHARCOAL OR THE LIKE, THE COOKING DEVICE COMPRISING; AN OUTER WALL HAVING A BASE PORTION WITH A SUBSTANTIALLY CENTRALLY LOCATED OPENING FORMED THEREIN; THE OUTER WALL INCLUDING AN INWARDLY INCLINED, PERIPHERAL SIDE WALL HAVING A RIM; AN INNER BLAZIER OF REDUCED SIZE RELATIVE TO THE OUTER WALL INCLUDING A BASE PORTION WITH AN IMPERFORATE SECTION OVERLYING THE OPENING OF THE OUTER WALL, AND A SURROUNDING SECTION WITH A PLURALITY OF REDUCED DIAMETER APERTURES FORMED THEREIN; THE INNER BRAZIER HAVING AN INWARDLY INCLINED, PERIPHERAL SIDE WALL WITH A RIM; A GRILL RESTING ON THE SIDE WALL OF THE BRAZIER; SPACER MEANS EXTENDING BETWEEN THE OUTER WALL AND THE BRAZIER TO SPACE THE SAME FROM ONE ANOTHER THEREBY TO DEFINE AN AIR PASSAGE CHAMBER THEREBETWEEN; THE BRAZIER BEING SPACED FROM THE OUTER WALL THROUGHOUT SUBSTANTIALLY THE FULL EXTENT OF EACH AND THE PERIPHERAL SIDE WALL, AND THE AIR FROM SAID CHAMBER BEING DISCHARGED AT THE RIMS OF THE SIDE WALLS; AND A CENTRIFUGAL BLOWER WITH A NOZZLE OUTLET SECURED TO THE BASE OF THE OUTER WALL WHEREBY AIR IS INTRODUCED BETWEEN THE OUTER WALL AND THE BRAZIER AND EXPELLED THROUGH THE REDUCED DIAMETER OPENINGS AND BETWEEN THE SIDE WALLS TO FORM AN UPWARDLY AND INWARDLY INCLINED AIR CURTAIN.