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:
Feb. 18, 2025
Filed:
Oct. 23, 2020
Mitsubishi Electric Corporation, Tokyo, JP;
Hiroyasu Hayashi, Tokyo, JP;
Takuya Teramoto, Tokyo, JP;
Ryo Horie, Tokyo, JP;
Takashi Yamaguchi, Tokyo, JP;
Tomohiro Nagano, Tokyo, JP;
Kazuya Michikami, Tokyo, JP;
Takahiro Yamatani, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A multi-blade centrifugal air-sending device includes a fan including a back plate having a disk shape, a plurality of blades arranged at a peripheral portion of the back plate in a circumferential direction, and a rim having an annular shape and coupling the plurality of blades to each other, the plurality of blades being connected at respective first end portions on one side to the back plate, the rim being provided at respective second end portions of the plurality of blades on a side opposite to the one side where the respective first end portions are present; and a scroll casing having a spiral shape and including a facing side wall where an air inlet is provided and a peripheral wall, the scroll casing housing the fan such that the side wall faces the respective second end portions of the plurality of blades, the scroll casing being configured such that air is introduced through the air inlet and blown out to the outer peripheral side.