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:
Dec. 10, 2024
Filed:
Mar. 19, 2020
Mitsubishi Electric Corporation, Tokyo, JP;
Takuya Teramoto, Tokyo, JP;
Hiroyasu Hayashi, Tokyo, JP;
Ryo Horie, Tokyo, JP;
Takashi Yamaguchi, Tokyo, JP;
Tomohiro Nagano, Tokyo, JP;
Kazuya Michikami, Tokyo, JP;
Takahiro Yamatani, Tokyo, JP;
Hiroshi Tsutsumi, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An impeller connected to a motor having a drive shaft includes a back plate having a boss having a shaft hole through which the drive shaft is inserted, a ring-shaped rim provided to face the back plate, and a plurality of blades connected to the back plate and the rim and arranged along a circumferential direction of the back plate about the rotation shaft. The back plate includes a first surface portion on which the plurality of blades are formed, a second surface portion provided at a region between the boss and the first surface portion and depressed from the first surface portion in an axial direction of the rotation shaft, and a plurality of projections provided at the second surface portion and extending in the axial direction.