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

Claim 0:
1. 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 damper gate coupled, via a hinge, to a portion of the flue pipe, the damper gate comprising an open state and a closed state, wherein in the open state, the first side of the vent pipe is in fluid communication with the second side, and wherein in the closed state, the damper gate interrupts fluid communication between the first side and the second side;
a drainage port; and
a plug that is movable relative to the drainage port to selectively seal the drainage port when the damper gate remains in the closed state.