Broan-Nutone LLC

Rick Sinur

Ryan A Revers

Bradley Mergener

Raymond Panneton

Jean-Bernard Piaud

Brent Lillesand

Patrick Bouche

Patrick Bouché

Marco Lizotte

Santosh Narasimhan

Ryan Revers

A ventilation assembly and methods of forming the same includes a ventilation grille having reducing acoustic bodies configured to attenuate sound of the ventilation assembly. Arrangement of the acoustic bodies can form phononic crystal to attenuate sound and can be tuned to desired sound bands to reduce sounds.

Sound reduction ventilation assembly

A ventilation system includes a main housing defining an internal region and a blower contained within the internal region. The ventilation system is positioned adjacent to a room of a building structure and is configured to draw air out of the room to provide ventilation. The ventilation system further includes a grille secured relative to the main housing using an attachment feature.

Grille attachment feature for a ventilation system

Sound reduction grille assembly

A ventilation grille having a trim ring and a plate releasably connected to the trim ring. The trim ring defines an aperture allowing connection of the trim ring to a main housing of a ventilation system defining an internal region in which a blower is located. The plate is releasably connected to the trim ring to allow access to the trim ring aperture for connection of the trim ring to the main housing or blower and disconnection of the trim ring from the main housing or blower.

Grille attachment system for a ventilation system

Growing community of inventors

Hartford, WI, United States of America

Rick Sinur