The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2020
Filed:
Jul. 13, 2017
Applicant:
Broan-nutone Llc, Hartford, WI (US);
Inventors:
Daniel L. Karst, Beaver Dam, WI (US);
Benjamin Thorpe Puffer, Hartford, WI (US);
Brent Elliott Coffey, Pewaukee, WI (US);
Assignee:
Broan-NuTone LLC, Hartford, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 25/12 (2006.01); F24F 7/013 (2006.01); F04D 25/16 (2006.01); F04D 29/28 (2006.01); F04D 29/60 (2006.01); F24F 13/20 (2006.01); F04D 29/70 (2006.01); F04D 25/08 (2006.01);
U.S. Cl.
CPC ...
F04D 25/12 (2013.01); F04D 25/166 (2013.01); F04D 29/282 (2013.01); F04D 29/602 (2013.01); F24F 7/013 (2013.01); F24F 13/20 (2013.01); F04D 25/088 (2013.01); F04D 29/703 (2013.01); F24F 2221/18 (2013.01); F24F 2221/36 (2013.01); Y10T 29/49327 (2015.01);
Abstract
A ventilation assembly includes a main housing comprising a first housing wall and a second housing wall, a fan assembly disposed within the main housing, the fan assembly including a fan, and an acoustic device disposed between said first and second housing walls, the acoustic device having a first distal portion, a second distal portion and an intermediate portion extending between the first distal portion and the second distal portion, the first distal portion being relatively wider than the intermediate portion.