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:
Apr. 08, 2025
Filed:
Mar. 02, 2022
Fujitsu General Limited, Kanagawa, JP;
Hirotaka Sawada, Kanagawa, JP;
FUJITSU GENERAL LIMITED, Kanagawa, JP;
Abstract
A blower includes a cross flow fan, a mechanism configured to rotate the cross flow fan about a rotation axis, a front tongue part that is arranged in front of the cross flow fan, and a back tongue part that is arranged in back of the cross flow fan, wherein a front fan facing surface of the front tongue part faces the cross flow fan, and includes a plurality of front non-flat portions on which non-flatness is formed, and a plurality of front flat portions on which no non-flatness formed, a back fan facing surface of the back tongue part faces the cross flow fan, and includes a plurality of back non-flat portions on which non-flatness formed, and a plurality of back flat portions on which no non-flatness is formed, and the back non-flat portions respectively face the front flat portions and the back flat portions respectively face the front non-flat portions.