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:
Jan. 07, 2025

Filed:

Dec. 27, 2023
Applicant:

Shenzhen Ruisimai Technology Co., Ltd., Shenzhen, CN;

Inventor:

Hong Li, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 17/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/281 (2013.01); F04D 17/00 (2013.01);
Abstract

The present disclosure relates to a fan blade, including a wheel hub, a bottom plate and a plurality of blades. The plurality of blades encircle an outer peripheral side of the wheel hub at an interval; a separation distance is kept between each of the blades and the wheel hub; the wheel hub, the bottom plate and the blades enclose an annular groove; an air guide groove is formed between two adjacent blades; a first air inlet is formed in a side, away from the bottom plate, of the air guide groove; a second air inlet connected to the annular groove is formed in a side, close to the wheel hub, of the air guide groove; and an air outlet is formed in a side, away from the wheel hub, of the air guide groove.


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