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.

Date of Patent:
Oct. 20, 2020

Filed:

Jun. 30, 2015
Applicant:

Delta Electronics, Inc., Taoyuan, TW;

Inventors:

Yuan-Chuan Liu, Taoyuan, TW;

Chih-Hua Lin, Taoyuan, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); F04D 13/06 (2006.01); F04D 29/52 (2006.01); F04D 29/70 (2006.01); F04D 29/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/703 (2013.01); F04D 29/005 (2013.01); H04R 1/025 (2013.01); H04R 1/028 (2013.01); H04R 1/023 (2013.01); H04R 2420/07 (2013.01);
Abstract

A ventilation fan includes a fan unit, a cover, a speaker and an outer cap. The fan unit has an air inlet and an air outlet. The cover is disposed on the air inlet and has an opening disposed corresponding to the air inlet. The speaker is detachably disposed on the cover. The outer cap is disposed on the air inlet. The cover is located between the fan unit and the outer cap, and the outer cap has a plurality of through holes configured as both of ventilation channels and sound output channels.


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