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:
Nov. 28, 2023
Filed:
Nov. 26, 2019
Daikin Industries, Ltd., Osaka, JP;
Uacj Corporation, Tokyo, JP;
Tadashi Okada, Osaka, JP;
Kosuke Nishimura, Osaka, JP;
Kaoru Ueda, Aichi, JP;
Yasunaga Itoh, Aichi, JP;
DAIKIN INDUSTRIES, LTD, Osaka, JP;
UACJ CORPORATION, Tokyo, JP;
Abstract
A closed impeller () includes an impeller main body (), which is composed of an aluminum alloy and has blades () that protrude from a hub (). A shroud () covers the blades. The blades and the shroud are joined together by brazed joints (). The shroud () is formed from a brazing sheet () that comprises a core material (), which is composed of an aluminum alloy, and a filler material layer (), which is disposed on an outermost surface () of the shroud that opposes or faces the blades when the shroud is brazed to the blades.