US 12,228,305 B2
Dampers placed on the half face of the inlet and the outlet of side-by-side airflow energy recovery sections used as recirculation path
Ganeson Kandasamy, Lexington, KY (US); Yuvaraja Kandasamy, Bangalore (IN); Asit Mahanta, Bangalore (IN); and Arul Thangavelu Ekambaram, Bangalore (IN)
Assigned to TRANE INTERNATIONAL INC., Davidson, NC (US)
Filed by TRANE INTERNATIONAL INC., Davidson, NC (US)
Filed on Oct. 13, 2023, as Appl. No. 18/486,647.
Application 18/486,647 is a continuation of application No. 18/057,362, filed on Nov. 21, 2022, granted, now 11,788,762.
Application 18/057,362 is a continuation of application No. 17/139,762, filed on Dec. 31, 2020, granted, now 11,506,417, issued on Nov. 22, 2022.
Prior Publication US 2024/0247834 A1, Jul. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F24F 12/00 (2006.01); F24F 11/41 (2018.01)
CPC F24F 12/006 (2013.01) [F24F 11/41 (2018.01); F24F 2012/007 (2013.01); F24F 2203/104 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An air handler for an HVACR system, comprising:
a housing having a faceplate, a first panel, a second panel, a third panel, and a fourth panel;
a septum protruding into the housing from a first side of the faceplate;
a core disposed within the housing and having a first edge connected to an edge of the septum, a second edge connected to the first panel, a third edge connected to the second panel, a first plate connected to the third panel, and a second plate connected to the fourth panel;
a first tunnel connected to a first area on the faceplate from a second side of the faceplate, wherein the second side is opposite to the first side of the faceplate;
a second tunnel connected to a second area of the faceplate from the second side, wherein the second area is disjointed from the first area;
a first recirculation path defined by the faceplate, the first panel, the septum, the third panel, the fourth panel, and the core and configured to channel a first portion of airflow from the first tunnel to the second tunnel;
a first damper disposed in the second area of the faceplate and configured to obstruct the first recirculation path; and
a first opening disposed in the first area of the faceplate and connecting the first tunnel to the first recirculation path.