Patent ID: 8381638

Claim:
A cooking grill assembly, comprising: a grill housing having an open top; a heat source disposed within said grill housing; a grilling surface disposed in said grill housing below said open top and at an elevation above said heat source; an air inlet port for receiving ambient air from outside said grill housing; a nozzle; a first fan for drawing said ambient air in through said air inlet port and exhausting said ambient air through said nozzle, wherein said nozzle directs said ambient air horizontally across said open top of said grill housing, therein creating an air curtain of forced air that extends across said open top; an intake port for receiving said air curtain of forced air; an exhaust port; and a second fan for drawing said air curtain of forced air into said intake port and exhausting said air curtain of forced air outside of said grill housing though said exhaust port.