US 12,264,840 B2
Coil cleaning easy access
Frank Silva, Huntersville, NC (US); and Thomas Franaszek, Mooresville, NC (US)
Assigned to CARRIER CORPORATION, Palm Beach Gardens, FL (US)
Filed by Carrier Corporation, Palm Beach Gardens, FL (US)
Filed on Jul. 1, 2021, as Appl. No. 17/305,181.
Claims priority of provisional application 62/705,603, filed on Jul. 7, 2020.
Prior Publication US 2022/0011010 A1, Jan. 13, 2022
Int. Cl. F24F 13/20 (2006.01); B08B 3/02 (2006.01); B08B 9/023 (2006.01); F24F 13/30 (2006.01)
CPC F24F 13/20 (2013.01) [F24F 13/30 (2013.01); B08B 3/02 (2013.01); B08B 9/023 (2013.01); F24F 2221/16 (2013.01); F24F 2221/225 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A heating, ventilation, and/or air conditioning (HVAC) system, comprising:
a heat exchanger assembly comprising a first heat exchanger coil and a second heat exchanger coil, the first heat exchanger coil and the second heat exchanger coil each respectively comprising an exterior surface, an interior surface, a first edge, and a second edge; and
an access panel assembly disposed adjacent to the first edge of the first heat exchanger coil and the first edge of the second heat exchanger coil, the access panel assembly configured to provide access to at least one of: the interior surface of the first heat exchanger coil and the interior surface of the second heat exchanger coil, wherein the heat exchanger assembly for the HVAC system comprises a V-shaped configuration, wherein:
the access panel assembly is configured to be removably attached to a mounting surface of the heat exchanger assembly;
the access panel assembly comprises an access panel surface having a first side and a second side, wherein the first side comprises a recessed section and a protruding section; and
the recessed section is configured to be coplanar with the mounting surface when the access panel assembly is attached to the mounting surface.
 
12. An access panel assembly for providing access to an interior surface of a heat exchanger assembly, the access panel assembly comprising:
an access panel surface comprising a first side and a second side, the second side operably coupled to a mounting surface of the heat exchanger assembly, wherein the heat exchanger assembly comprises a V-shaped configuration, wherein the first side comprises a recessed section and a protruding section, and wherein the recessed section is configured to be coplanar with the mounting surface when the access panel assembly is attached to the mounting surface; and
at least one fastener aperture disposed in the access panel surface, the at least one fastener aperture configured to receive a fastener, the fastener configured to removably attach the access panel assembly to the mounting surface.