US 12,121,840 B2
Multi-piece HVAC air filter housing, filter assembly and methods
Matthew J. Carr, White Lake, MI (US); and Glenn R. Sprague, Brighton, MI (US)
Assigned to Airotrust LLC, Livonia, MI (US)
Filed by Airotrust LLC, Livonia, MI (US)
Filed on Dec. 30, 2021, as Appl. No. 17/566,025.
Claims priority of provisional application 63/140,368, filed on Jan. 22, 2021.
Prior Publication US 2022/0233983 A1, Jul. 28, 2022
Int. Cl. B01D 46/00 (2022.01); B01D 46/10 (2006.01); F24F 8/108 (2021.01)
CPC B01D 46/0005 (2013.01) [B01D 46/10 (2013.01); F24F 8/108 (2021.01); B01D 2265/028 (2013.01); B01D 2279/50 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An air filter housing for use with an air filter media, the air filter housing comprising:
at least a first sidewall section and a second sidewall section, each of the first sidewall section and the second sidewall section further comprising:
a sidewall having a first end and a second end separated in one of an X-direction or a Y-direction, and an upper end and a lower end separated in a Z-direction; and
a filter media stop connected to the sidewall of at least one of the first sidewall section or the second sidewall section, the filter media stop extending inward from the sidewall in one of the X-direction or the Y-direction;
a sidewall connector operable to connect one of the first end or the second end of the sidewall of one of the first sidewall section or the second sidewall section to the other of the first end or the second end of the sidewall of the other of the first sidewall section or the second sidewall section, the sidewall connector further comprising:
a first sidewall connector integral to the first end of the sidewall; and
a second sidewall connector integral to the second end of the sidewall, the second sidewall connector is complementary to the first sidewall connector, the first sidewall connector and the second sidewall connector operable to connect the second end of the first sidewall section to the first end of the second sidewall section, and the second end of the second sidewall section to the first end of the first sidewall section, wherein the connected first sidewall section and the second sidewall section define an internal cavity operable to receive a filter media; and
a housing connector operable to secure the connected first sidewall section and the second sidewall section circumferentially around a forced air passage opening.