Patent ID: 11885493
Assignee: FIELD CONTROLS, LLC
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 14:
15. A flue damper, comprising:
a vent pipe with a first side leading to an outlet of the flue damper and a second side leading to an inlet of the flue damper;
a housing that is coupled to the vent pipe and that is positioned between the first side and the second side, the housing comprising:
an opening fluidly connecting the first side and the second side; and
a wall peripheral to the opening;

a damper gate coupled to the housing and comprising an open state and a closed state, wherein in the open state, the first side of the vent pipe is, via the opening, in fluid communication with the second side, and wherein in the closed state, the damper gate, by covering the opening, interrupts fluid communication between the first side and the second side;
a drainage port extending through the wall of the housing, wherein the drainage port is offset from the damper gate and the opening.