US 11,982,458 B2
Air conditioner makeup air circulation
Joshua Duane Longenecker, Louisville, KY (US); Charles D. Robinson, III, 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 Jan. 18, 2022, as Appl. No. 17/577,508.
Prior Publication US 2023/0228447 A1, Jul. 20, 2023
Int. Cl. F24F 11/77 (2018.01); F24F 1/0035 (2019.01); F24F 11/00 (2018.01)
CPC F24F 11/77 (2018.01) [F24F 1/0035 (2019.02); F24F 11/0001 (2013.01); F24F 2011/0002 (2013.01)] 16 Claims
OG exemplary drawing
 
9. An air conditioner unit, comprising:
a housing defining an outdoor portion and an indoor portion, the housing comprising a rear opening in the outdoor portion and a front opening in the indoor portion opposite the rear opening;
a makeup air system outside of the housing, the makeup air system comprising a makeup air duct and a damper in the makeup air duct, the damper configured to move between an open position wherein outside air is permitted to flow through the makeup air duct and a closed position wherein air flow through the makeup air duct is obstructed, the makeup air duct extending from a first end positioned above and generally parallel to the rear opening to a second end positioned above and generally perpendicular to the front opening whereby the makeup air duct defines a single air flow path through the makeup air duct from the first end to the second end;
an indoor fan disposed in the indoor portion and downstream of the makeup air system with respect to a flow of outside air through the makeup air system; and
a controller, the controller configured for:
activating the makeup air system of the air conditioner unit, whereby the flow of outside air is directed from the makeup air system to the indoor portion of the housing, wherein activating the makeup air system of the air conditioner unit comprises moving the damper in the makeup air duct of the air conditioner unit to the open position; and
activating the indoor fan of the air conditioner unit at a fan speed at least equal to a minimum circulation threshold speed in response to the makeup air system being activated, whereby the flow of outside air from the makeup air system is urged through the indoor portion of the housing.