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. 12, 2020
Filed:
Jul. 19, 2016
Mitsubishi Electric Corporation, Tokyo, JP;
Katsuyuki Yamamoto, Tokyo, JP;
Seiji Nakashima, Tokyo, JP;
Yohei Kato, Tokyo, JP;
Tsubasa Tanda, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A bellmouth of a heat source unit includes: a straight tubular portion having a cylindrical shape; an air inlet portion which is radially expanded toward the upstream side, wherein, the air inlet portion has at least one angle-reduced portion that satisfies θ>θi>0, where, an angle formed by a line Land a line Lis taken as θ, and an angle formed by a straight line Land the line Lis taken as θi, the line Lis a line passing through a portion of an outer peripheral end portion of the air inlet portion, the line Lis a line passing through a connecting portion between the air inlet portion and the straight tubular portion, and the straight line Lis a line connecting an intersection P of the line Land the line Land a portion of the outer peripheral end portion of the air inlet portion.