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:
Feb. 15, 2022
Filed:
Sep. 18, 2019
Applicant:
Techtronic Cordless Gp, Anderson, SC (US);
Inventor:
Koon For Chung, Kwai Chung, HK;
Assignee:
Techtronic Cordless GP, Anderson, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/32 (2006.01); A01G 20/47 (2018.01); F04D 25/06 (2006.01); F04D 29/26 (2006.01);
U.S. Cl.
CPC ...
F04D 29/325 (2013.01); A01G 20/47 (2018.02); F04D 25/0673 (2013.01); F04D 29/263 (2013.01);
Abstract
An electric blower () is disclosed as including a brushless motor (), and an axial fan (C) driven by the motor, the motor being operable at a first speed of rotation of 15,000 revolutions per minute (rpm) and a second speed of rotation of 18,000 rpm, the axial fan including a hub (C) and a plurality of fan blades (C) engaged with the hub, the hub having a hub diameter (ϕ), the axial fan having an outer diameter (ϕ), and being between substantially 0.6 and substantially 0.65.