US 12,486,985 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 Apr. 4, 2023, as Appl. No. 18/295,594.
Prior Publication US 2024/0337388 A1, Oct. 10, 2024
Int. Cl. F24C 3/08 (2006.01); F23D 14/06 (2006.01)
CPC F24C 3/085 (2013.01) [F23D 14/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cooktop appliance, comprising:
a top panel comprising a top surface;
a gas burner assembly positioned at the top panel, the gas burner assembly comprising;
an annular burner body positioned at the 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;
an annular burner base forming a bottom wall of the mixing chamber; and
an annular burner head forming a top wall of the mixing chamber; and
a puck comprising a domed projection separably positioned at the top surface of the top panel and extending toward the central combustion zone, wherein the puck comprises an arm extending from the projection, wherein a first opening is positioned through the arm to allow a fastener to extend therethrough into a second opening at the burner base, wherein a raised material extends between a head of the fastener and a bottom surface of the burner base.