US 12,416,404 B2
Gas burner assembly and cooktop appliance
Paul Bryan Cadima, Crestwood, KY (US)
Assigned to Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed by Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed on Mar. 13, 2023, as Appl. No. 18/183,116.
Prior Publication US 2024/0310037 A1, Sep. 19, 2024
Int. Cl. F23D 14/06 (2006.01); F23D 14/08 (2006.01); F23D 14/20 (2006.01); F23D 14/64 (2006.01); F23D 14/84 (2006.01); F24C 3/08 (2006.01)
CPC F23D 14/06 (2013.01) 16 Claims
OG exemplary drawing
 
1. A cooktop appliance, comprising:
a gas burner assembly positioned at a top panel, the gas burner assembly comprising an annular burner body positioned at a top surface of the top panel, the annular burner body forming a central combustion zone, a plurality of flame ports at the central combustion zone, and an annular mixing chamber upstream from the plurality of flame ports to permit a fuel-air mixture to flow into the central combustion zone through the plurality of flame ports, the annular burner body being open at the central combustion zone such that a circumferentially bounded portion of the top panel is vertically exposed through the annular burner body at the central combustion zone, the gas burner assembly comprising an annular burner head forming a top wall of the mixing chamber, the burner head comprising a tab extending along an axial direction into the mixing chamber, the tab radially co-positioned to at least one flame port and an inlet passage forming a fluid communication from a mixing tube to the mixing chamber, wherein the tab extends along an arc or chord relative to a circumferential direction from a centerline axis of the burner assembly, wherein the tab extends along the arc or chord approximately equal to or less than a width of the inlet passage, and wherein the mixing tube and inlet passage are configured to receive a flow of gaseous fuel and provide the gaseous fuel to the mixing chamber.
 
10. A gas burner assembly for a cooktop appliance, the gas burner assembly comprising:
an annular burner body forming a central combustion zone, wherein the burner body forms a plurality of flame ports at the central combustion zone, the burner body being open at the central combustion zone;
an annular burner head placeable onto the burner body to form a top wall of an annular mixing chamber upstream from the plurality of flame ports,
a mixing tube extending along an axial direction, the mixing tube comprising an inlet passage extending along the axial direction in fluid communication with the mixing chamber, the mixing tube configured to provide a flow of gaseous fuel to the mixing chamber,
wherein the burner head comprises a tab extending along the axial direction into the mixing chamber, the tab radially co-positioned to at least one flame port and the inlet passage, wherein the tab extends along an arc or chord relative to a circumferential direction from a centerline axis of the burner assembly, wherein the tab extends along the arc or chord approximately equal to or less than a width of the inlet passage.