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:
Sep. 17, 2024

Filed:

Jan. 13, 2023
Applicant:

Nanjing Chervon Industry Co., Ltd., Nanjing, CN;

Inventors:

Toshinari Yamaoka, Nanjing, CN;

Jingwei Li, Nanjing, CN;

Jianpeng Guo, Nanjing, CN;

Zhusheng Nie, Nanjing, CN;

Jian Zhang, Nanjing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/52 (2006.01); A01G 20/47 (2018.01); F04D 25/06 (2006.01); F04D 29/54 (2006.01);
U.S. Cl.
CPC ...
F04D 29/522 (2013.01); A01G 20/47 (2018.02); F04D 25/0673 (2013.01); F04D 29/545 (2013.01);
Abstract

A blower includes a motor, a fan driven by the motor to rotate about a first axis, a power supply device, and a housing assembly accommodating the motor and including an inner duct and an outer duct assembly. The inner duct is formed with an inner air inlet. The outer duct assembly surrounds the inner duct. The outer duct assembly includes an outer duct and a hood, where the outer duct is disposed on a front side of the hood, an outer air outlet is formed at an end of the outer duct facing away from the hood, an outer air inlet is formed on the hood and has a front end portion and a rear end portion along a direction of the first axis, and the inner air inlet is disposed between the front end portion and the rear end portion along the direction of the first axis.


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