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:
Dec. 30, 2025
Filed:
Aug. 08, 2024
Applicant:
Delta Electronics, Inc., Taoyuan, TW;
Inventors:
Assignee:
DELTA ELECTRONICS, INC., Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 7/007 (2006.01); F04D 29/42 (2006.01); F04D 29/66 (2006.01); F24F 13/20 (2006.01);
U.S. Cl.
CPC ...
F04D 29/665 (2013.01); F04D 29/4226 (2013.01); F24F 7/007 (2013.01); F05D 2250/51 (2013.01); F24F 2013/205 (2013.01);
Abstract
A cover used in a ventilation fan includes a noise reduction structure and a shelter. The noise reduction structure has an air inlet, a flat portion surrounding the air inlet, and a peripheral portion surrounding the flat portion. The sidewall of the flat portion extends in a vertical direction from the peripheral portion. The bottom surface of the flat portion extends in a horizontal direction from the sidewall, and is a flat surface. The shelter is disposed on the peripheral portion and covers the air inlet.