US 12,173,954 B2
Drain pan for HVAC system
Curtis A. Trammell, Newcastle, OK (US); and John L. McElvany, Norman, OK (US)
Assigned to Tyco Fire & Security GmbH, Neuhausen am Rheinfall (CH)
Filed by Johnson Controls Tyco IP Holdings LLP, Milwaukee, WI (US)
Filed on Jun. 12, 2023, as Appl. No. 18/208,764.
Application 18/208,764 is a division of application No. 16/723,255, filed on Dec. 20, 2019, granted, now 11,674,740.
Prior Publication US 2023/0324103 A1, Oct. 12, 2023
Int. Cl. F25D 21/14 (2006.01); F24F 13/22 (2006.01)
CPC F25D 21/14 (2013.01) [F24F 13/222 (2013.01); F25D 2321/145 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A heating, ventilation, and/or air conditioning (HVAC) system, comprising:
a drain pan configured to collect condensate in a basin of the drain pan from an evaporator of the HVAC system that is positioned partially within the basin;
a draining surface formed in the basin, the draining surface having a compound slope including a first slope extending along a length of the drain pan and including a second slope extending along a width of the drain pan such that the draining surface is configured to direct the condensate towards a drain port of the basin; and
a support rail positioned within the basin and having a perforated support panel configured to support a weight of the evaporator, wherein the support rail comprises a first flange coupled to a wall of the drain pan and a second flange configured to abut the draining surface.