Patent ID: 8899972
Filing Date: 2014-12-02
Classification: F23D,F24C

Abstract:
1. A gas burner with multiple fuel rings for a cooking appliance, comprising: an inner flame ring comprising an inward-facing wall with a plurality of inner flame ports through which a combustible gas is to be emitted and ignited to produce inward-facing flames that extend radially inward, toward a central portion of the burner; an outer flame ring comprising an outward-facing wall spaced a greater radial distance from the central portion of the burner than the inward-facing wall, the outward-facing wall comprising a plurality of outer flame ports through which a combustible gas is to be emitted and ignited to produce outward-facing flames that extend radially outward, away from the central portion of the burner; at least one partition wall disposed between the inward-facing wall and the outward-facing wall to define an inner fuel plenum and an outer fuel plenum, the inner fuel plenum being in fluid communication with the outer fuel plenum via at least one transfer aperture extending through the at least one partition wall, the at least one transfer aperture being defined between opposing portions of the at least one partition wall; and a fuel port provided to one of the inner fuel plenum and the outer fuel plenum for providing a combustible fuel-air mixture thereto, the fuel-air mixture being transferred between the inner fuel plenum and the outer fuel plenum via the at least one transfer aperture.