US 12,258,699 B2
Heat exchanger cleaning system for laundry appliance
Arun Rajendran, St. Joseph, MI (US)
Assigned to WHIRLPOOL CORPORATION, Benton Harbor, MI (US)
Filed by WHIRLPOOL CORPORATION, Benton Harbor, MI (US)
Filed on Jan. 25, 2023, as Appl. No. 18/101,386.
Prior Publication US 2024/0247889 A1, Jul. 25, 2024
Int. Cl. D06F 58/24 (2006.01); D06F 58/20 (2006.01); D06F 58/22 (2006.01); D06F 58/45 (2020.01); F28G 9/00 (2006.01); D06F 103/50 (2020.01)
CPC D06F 58/24 (2013.01) [D06F 58/206 (2013.01); D06F 58/22 (2013.01); D06F 58/45 (2020.02); F28G 9/00 (2013.01); D06F 2103/50 (2020.02)] 10 Claims
OG exemplary drawing
 
1. A laundry appliance, comprising:
a blower configured to deliver exhausted air through an airflow path;
a heat exchanger arranged within the airflow path and configured to dehumidify the exhausted air;
a drain channel configured to receive condensate from the heat exchanger;
a cleaning block arranged above the heat exchanger and configured to deliver fluid flow over the heat exchanger to clean the heat exchanger, wherein the drain channel is configured to receive residual fluid and debris created from the fluid flow over the heat exchanger, and further comprising a drain pump configured to remove the residual fluid and debris from the drain channel; and
a condensate bottle separate and distinct from the drain channel configured to receive the residual fluid and debris from the drain channel.