US 11,747,055 B2
Peltier cooling system for a domestic kitchen appliance
Robert Ladner, Knoxville, TN (US)
Assigned to BSH Home Appliances Corporation, Irvine, CA (US); and BSH Hausgeräte GMBH, Munich (DE)
Filed by BSH Home Appliances Corporation, Irvine, CA (US); and BSH Hausgeräte GmbH, Munich (DE)
Filed on Dec. 12, 2018, as Appl. No. 16/217,438.
Prior Publication US 2020/0191450 A1, Jun. 18, 2020
Int. Cl. F25B 21/02 (2006.01); F24C 3/12 (2006.01); F24C 7/08 (2006.01); F24C 15/00 (2006.01); H10N 10/13 (2023.01); H10N 10/80 (2023.01)
CPC F25B 21/02 (2013.01) [F24C 3/12 (2013.01); F24C 7/08 (2013.01); F24C 15/00 (2013.01); H10N 10/13 (2023.02); H10N 10/80 (2023.02); F25B 2321/025 (2013.01); F25B 2321/0212 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A domestic kitchen appliance having a cooking chamber and an area to be cooled, the domestic kitchen appliance comprising:
a peltier device having a hot side and a cold side;
a hot-side heat-sink attached to the hot side of the peltier device, the hot-side heat-sink configured to remove heat from the hot side of the peltier device and transfer the heat removed from the hot side of the peltier device to the cooking chamber;
a cold-side heat-sink attached to the cold side of the peltier device, the cold-side heat-sink fluidly connected to the area to be cooled;
a cold-side fan configured to circulate air around the cold-side heat-sink;
an exhaust duct having an exhaust outlet outside of the area to be cooled, the exhaust outlet being located at an end of the exhaust duct that contacts an environment outside of the appliance; and
a voltage supply that supplies voltage to the peltier device to cause the peltier device to absorb heat from the cold-side heat-sink into the cold side of the peltier device and to expel heat from the hot side of the peltier device into the hot-side heat-sink,
wherein the area to be cooled is outside of the cooking chamber; and
the cold-side fan moves the air through the exhaust duct and out of the exhaust outlet.