Patent ID: 6223737
Filing Date: 2001-05-01
Classification: A47J,F23B,F23L

Abstract:
A pellet fuel cooking grill, comprising:a fire box having a generally open top plane, and a cooking surface disposed generally across said top plane;a pellet burner unit disposed within said fire box below said cooking surface;a pellet feeding device opening into said fire box and disposed so as to feed pellets into said burner unit;a pressure box having an inlet supplied with combustion air at a positive pressure, and a first outlet into said fire box disposed above said burner unit and configured so as to direct substantially all of the combustion air exiting therefrom down into said burner unit, said pressure box further comprising a second outlet into said fire box disposed below said burner unit and configured to direct combustion air up into said burner unit; andwherein a turbulent combustion air flow in generated through said burner unit by mixing of combustion air from said first and second outlets to sustain combustion of pellets within said burner unit.