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:
May. 03, 2022
Filed:
May. 22, 2020
Minebea Mitsumi Inc., Nagano, JP;
Satoshi Masuo, Miyota-machi, JP;
MINEBEA MITSUMI Inc., Nagano, JP;
Abstract
An axial flow fan deviceincludes a first axial flow fanand a second axial flow fan. The first axial flow fanof a first casingincludes first engagement portions. Two sets of first engagement portionsare provided at positions which protrude outward in the direction of the axis x from a first base portion, and which are symmetrical with respect to the axis x, each first engagement portionhaving a stepped portion in the radial direction. The second axial flow fanof a second casingincludes second engagement portions. Two sets of second engagement portionsare provided on a second peripheral wallat positions which are symmetrical with respect to the axis x, each second engagement portionhaving a stepped portion in the radial direction.