US 12,467,640 B2
Thick film heating assembly in a packaged terminal air conditioner unit
Bryan Isaac D'Souza, Louisville, KY (US); Richard Dustin Henderson, La Grange, KY (US); Charles D. Robinson, III, Louisville, KY (US); Joshua Duane Longenecker, Louisville, KY (US); and Timothy Scott Shaffer, La Grange, KY (US)
Assigned to Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed by Haier US Appliance Solutions, Inc., Wilmington, DE (US)
Filed on Sep. 27, 2022, as Appl. No. 17/953,646.
Prior Publication US 2024/0102672 A1, Mar. 28, 2024
Int. Cl. F24F 1/0375 (2019.01)
CPC F24F 1/0375 (2019.02) 17 Claims
OG exemplary drawing
 
1. An air conditioner unit defining a vertical direction, a lateral direction, and a transverse direction, the air conditioner unit comprising:
a housing;
a bulkhead positioned within the housing and defining an indoor portion and an outdoor portion, wherein the bulkhead defines a recess;
a refrigeration loop comprising an outdoor heat exchanger positioned within the outdoor portion and an indoor heat exchanger positioned within the indoor portion;
an indoor fan positioned within the indoor portion for selectively urging a flow of air through the indoor heat exchanger; and
a film heating assembly mounted to the bulkhead for selectively heating the flow of air, wherein the film heating assembly is mounted within the recess such that a top surface of the film heating assembly sits flush with the bulkhead, wherein the film heating assembly comprises:
a plurality of film heaters, wherein each of the plurality of film heaters defines two or more independent heating zones along the lateral direction; and
an electrical relay system for selectively coupling the plurality of film heaters to an external power source.