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:
Jul. 12, 2022
Filed:
May. 13, 2019
Sony Corporation, Tokyo, JP;
SONY CORPORATION, Tokyo, JP;
Abstract
Sound is reduced after securing sufficient air volume. An intake side fan including a first housing, a first drive motor that functions as a drive source, a first hub that is rotated by drive force of the first drive motor, and a plurality of first impellers that is rotated along with the first hub; and an exhaust side fan including a second housing, a second drive motor that functions as a drive source, a second hub that is rotated by drive force of the second drive motor, and a plurality of second impellers that is rotated along with the second hub are provided. An axial maximum chord length of the first impellers is smaller than an axial maximum chord length of the second impellers.