US 11,808,447 B2
Burner base
Victor Gerardo Caloca, Guanajuato (MX); Tao Geng, St. Joseph, MI (US); Victor Manrique, St. Joseph, MI (US); and Ana Katia Silva, Guanajuato (MX)
Assigned to Whirlpool Corporation, Benton Harbor, MI (US)
Filed by WHIRLPOOL CORPORATION, Benton Harbor, MI (US)
Filed on Dec. 24, 2019, as Appl. No. 16/726,397.
Application 16/726,397 is a continuation of application No. 15/440,774, filed on Feb. 23, 2017, granted, now 10,551,056.
Prior Publication US 2020/0132297 A1, Apr. 30, 2020
Int. Cl. F23D 14/06 (2006.01)
CPC F23D 14/06 (2013.01) [F23D 2203/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A burner base, comprising:
an internal perimeter lip;
a perimeter edge defining a barrier lip disposed radially outward of the internal perimeter lip;
a bottom surface configured to be coupled with a burner spreader and extending outwardly from the internal perimeter lip toward the barrier lip, a gas inlet being defined in the bottom surface;
a first barrier structure disposed along the perimeter edge adjacent the gas inlet and having a middle section height above the bottom surface that is greater than an end height above the bottom surface;
a second barrier structure circumferentially adjacent to the first barrier structure on a common circumference and defining an arc raised from the bottom surface that is inwardly directed from the barrier lip toward the internal perimeter lip; and
a third barrier structure extending circumferentially away from the second barrier structure on the common circumference and defining a constant height along a length of the third barrier structure.