US 11,696,370 B2
Household appliance with immersible heater
Muhammad Khizar, Saint Joseph, MI (US); Ermanno Buzzi, Varese (IT); Andrea Cesaroni, Jesi (IT); Townsley R. Curtis, Stevensville, MI (US); Massimo Gobbetti, Fabriano (IT); and Tolga Gonulluleroglu, Azzate-Varese (IT)
Assigned to Whirlpool Corporation, Benton Harbor, MI (US)
Filed by WHIRLPOOL CORPORATION, Benton Harbor, MI (US)
Filed on Apr. 22, 2020, as Appl. No. 16/855,007.
Prior Publication US 2021/0337634 A1, Oct. 28, 2021
Int. Cl. H05B 3/82 (2006.01)
CPC H05B 3/82 (2013.01) 19 Claims
OG exemplary drawing
 
1. A household appliance configured to implement an automatic cycle of operation for treating an article, the household appliance comprising:
a treating chamber configured to receive the article for treatment according to the automatic cycle of operation;
a sump fluidly coupled to the treating chamber;
a liquid circuit fluidly coupled to at least one of the treating chamber or the sump;
an immersible heater located within the sump, wherein the immersible heater is an immersible laminate heater having a support layer and a pair of electrodes and a laminate structure provided on the support layer with the laminate structure comprising:
a thermoresistive nano-coating heater layer electrically connected to the pair of electrodes;
a first liquid-impermeable and electrically non-conductive barrier layer provided between the support layer and the thermoresistive nano-coating heater layer;
a second liquid-impermeable and electrically non-conductive barrier layer abutting the thermoresistive nano-coating heater layer; and
a superhydrophobic nano-coating protective layer abutting the second liquid-impermeable and electrically non-conductive barrier layer; and
a mechanical vibrator physically coupled to the immersible heater.