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:
May. 12, 2026

Filed:

Mar. 07, 2024
Applicant:

Greenworks (Jiangsu) Co., Ltd, Jiangsu, CN;

Inventors:

Yabin Tang, Jiangsu, CN;

Yunjie Shangguan, Jiangsu, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 25/16 (2006.01); A01G 20/47 (2018.01); E01H 1/08 (2006.01); F04D 19/00 (2006.01); F04D 25/08 (2006.01); F04D 29/54 (2006.01);
U.S. Cl.
CPC ...
F04D 25/166 (2013.01); A01G 20/47 (2018.02); E01H 1/0809 (2013.01); F04D 19/002 (2013.01); F04D 25/08 (2013.01); F04D 29/545 (2013.01);
Abstract

A blower includes: a housing, having an air inlet end and an air outlet end; and a duct assembly disposed in the housing and located between the air inlet end and the air outlet end. The duct assembly includes an outer duct and a motor fan blade assembly disposed in the outer duct. The motor fan blade assembly includes a first motor fan blade assembly and a second motor fan blade assembly; the first motor fan blade assembly includes a first fan blade and a first motor that drives the first fan blade to rotate about a first output axis of the first motor; the second motor fan blade assembly includes a second fan blade and a second motor that drives the second fan blade to rotate about a second output axis of the second motor; and the first output axis is parallel to the second output axis.


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