US 12,292,192 B2
Intake device for a chimney termination
Robert M. Huta, Gaylord, MI (US)
Assigned to RLH INDUSTRIES, INC., Gaylord, MI (US)
Appl. No. 17/631,520
Filed by RLH INDUSTRIES, INC., Gaylord, MI (US)
PCT Filed Aug. 10, 2020, PCT No. PCT/US2020/045646
§ 371(c)(1), (2) Date Jan. 31, 2022,
PCT Pub. No. WO2021/030281, PCT Pub. Date Feb. 18, 2021.
Claims priority of provisional application 62/884,859, filed on Aug. 9, 2019.
Prior Publication US 2022/0268441 A1, Aug. 25, 2022
Int. Cl. F23L 17/04 (2006.01); F23J 13/08 (2006.01); F23L 17/08 (2006.01)
CPC F23L 17/04 (2013.01) [F23J 13/08 (2013.01); F23L 17/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A termination assembly for a chimney, the termination assembly comprising:
an intake tube adapted to receive intake air to be delivered to an appliance;
an exhaust tube adapted to receive exhaust air from the appliance;
an exhaust layer, wherein the exhaust tube terminates in the exhaust layer;
an intake layer disposed above or below the exhaust layer and mounted to an exhaust plate separating the exhaust layer from the intake layer, the intake layer comprising:
a first ring defining a positive pressure area within the first ring;
at least one frustoconical ring spaced apart from the first ring and defining an exterior opening directing intake air at an angle toward the first ring into a positive pressure area; and
an intake plate mounted to the frustoconical ring opposite the first ring,
wherein the positive pressure area is defined within the first ring and the at least one frustoconical ring and between an exhaust plate and an intake plate, and
wherein the intake tube originates in the positive pressure area.