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:
Apr. 02, 2024

Filed:

Jul. 13, 2021
Applicant:

Makita Corporation, Anjo, JP;

Inventors:

Akira Ojima, Anjo, JP;

Fumitoshi Numata, Anjo, JP;

Assignee:

MAKITA CORPORATION, Anjo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 25/06 (2006.01); F04D 25/08 (2006.01); F04D 29/30 (2006.01); F04D 29/42 (2006.01);
U.S. Cl.
CPC ...
F04D 29/30 (2013.01); F04D 25/0606 (2013.01); F04D 25/0673 (2013.01); F04D 25/086 (2013.01); F04D 29/281 (2013.01); F04D 29/4226 (2013.01);
Abstract

A blower includes a motor, a plurality of fans coaxially arranged in multiple stages, a housing having an inlet opening and a discharge opening, and a battery mounting part to which a battery is removably mountable. A rotational speed of the motor is within a range of 50,000 rpm to 120,000 rpm. A diameter of each of the fans is within a range of 30 mm to 70 mm. An area of the discharge opening is within a range of not less than an area of a circle having a diameter of 2.5 mm and not more than an area of a circle having a diameter of 10 mm. A blowing force of air discharged through the discharge opening is within a range of 1 N to 3 N.


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