US 12,069,775 B2
Cooktop appliance and heating element having a heat transfer disk and a thermostat
Paul Bryan Cadima, Crestwood, KY (US); Eugenio Gomez, Louisville, KY (US); and Dimitrios Iordanoglou, Plymouth, MN (US)
Assigned to Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed by Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed on Oct. 30, 2019, as Appl. No. 16/668,669.
Prior Publication US 2021/0136874 A1, May 6, 2021
Int. Cl. H05B 1/02 (2006.01); F24C 7/08 (2006.01); H05B 3/00 (2006.01); G01K 1/143 (2021.01); G01K 1/24 (2006.01)
CPC H05B 1/0266 (2013.01) [F24C 7/088 (2013.01); H05B 1/0213 (2013.01); H05B 3/0014 (2013.01); H05B 3/0019 (2013.01); F24C 7/087 (2013.01); G01K 1/143 (2013.01); G01K 1/24 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electric resistance heating coil assembly, comprising:
a spiral wound sheathed heating element having a first coil section and a second coil section;
a thermostat comprising a base and a top cap held on the base, the thermostat being connected in series between the first and second coil sections of the spiral wound sheathed heating element, the thermostat being spring loaded such that a distal end of the thermostat is urged away from a top surface of the spiral wound sheathed heating element;
a heat transfer disk joined to the thermostat at the top cap, the heat transfer disk positioned concentrically with a center of the spiral wound sheathed heating element,
a shroud extending about the thermostat; and
a shroud cover disposed below the top cap and below the heat transfer disk to define an air gap between the heat transfer disk and a top wall of the shroud cover, the shroud cover insulating the thermostat at the base, the thermostat being mounted to the shroud cover,
wherein a top of the shroud is nested in the shroud cover.