US 12,188,730 B2
Louvered fin
Kevin Mercer, Danville, IN (US)
Assigned to Rheem Manufacturing Company, Atlanta, GA (US)
Filed by Rheem Manufacturing Company, Atlanta, GA (US)
Filed on Oct. 2, 2023, as Appl. No. 18/479,551.
Application 18/479,551 is a continuation of application No. 17/505,827, filed on Oct. 20, 2021, granted, now 11,808,530.
Prior Publication US 2024/0027143 A1, Jan. 25, 2024
Int. Cl. F28F 1/32 (2006.01); F25B 39/02 (2006.01)
CPC F28F 1/325 (2013.01) [F25B 39/02 (2013.01); F28F 2215/08 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A louvered fin comprising:
a longitudinal axis;
a latitudinal axis;
a first set of apertures disposed along a first axis;
a second set of apertures disposed along a second axis, wherein individual apertures of the second set of apertures are offset from respective individual apertures of the first set of apertures along the longitudinal axis by a first offset distance, and along the latitudinal axis by a second offset distance; and
a third set of apertures disposed along a third axis, wherein individual apertures of the third set of apertures are offset from respective individual apertures of the second set of apertures along the longitudinal axis by a third offset distance, and along the latitudinal axis by a fourth offset distance, wherein the first offset distance is greater than the third offset distance.