US 12,270,566 B2
Selectively closable ventilation opening
Matthew J. Czerwinski, Excelsior, MN (US); Richard R. Sinur, West Bend, WI (US); and Ryan A. Revers, Hartland, WI (US)
Assigned to Broan-NuTone LLC, Hartford, WI (US)
Filed by Broan-NuTone LLC, Hartford, WI (US)
Filed on Jul. 24, 2019, as Appl. No. 16/520,551.
Prior Publication US 2021/0025619 A1, Jan. 28, 2021
Int. Cl. F24F 13/08 (2006.01); F24F 7/00 (2021.01); F24F 7/06 (2006.01); F24F 13/02 (2006.01); F24F 13/062 (2006.01); F24F 13/078 (2006.01)
CPC F24F 13/084 (2013.01) [F24F 13/02 (2013.01); F24F 13/062 (2013.01); F24F 13/078 (2013.01); F24F 2007/0025 (2021.01); F24F 7/06 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A ventilation assembly comprising:
a main housing including an inlet through which air can be received into the main housing and an outlet through which air exits the main housing;
a blower situated in the main housing and operable to generate a flow of air;
a trim assembly coupled with the main housing and comprising a moveable trim, the trim assembly being movable between a retracted position in which the moveable trim is adjacent the main housing to limit fluid flow through the main housing inlet and an extended position in which the moveable trim is farther from the main housing than in the retracted position to define a gap allowing air to flow through the main housing inlet; and
a user interface configured to select one of an on operational state and an off operational state, wherein
activation of the on operational state places the moveable trim in the extended position and turns the blower on, and
activation of the off operational state places the moveable trim in the retracted position and turns the blower off.