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:
Apr. 13, 2021
Filed:
Jun. 28, 2018
Applicant:
Delta Electronics, Inc., Taoyuan, TW;
Inventors:
Assignee:
DELTA ELECTRONICS, INC., Taoyuan, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F04D 29/42 (2006.01); F04D 25/06 (2006.01); F04D 25/08 (2006.01);
U.S. Cl.
CPC ...
F04D 29/665 (2013.01); F04D 25/06 (2013.01); F04D 25/0606 (2013.01); F04D 25/08 (2013.01); F04D 29/4226 (2013.01); F04D 29/664 (2013.01);
Abstract
A fan includes a frame, a first impeller, a motor, a base, and a noise silencer. The frame is provided with a flow channel for air to flow through. The first impeller is disposed in the frame. The motor connects with and drives the first impeller to rotate. The base is disposed in the frame and supports the motor. The noise silencer is located adjacent to the flow channel. The noise silencer includes at least one hollow chamber, and the hollow chamber has at least one hole communicating with the flow channel.