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:
Jul. 12, 2022
Filed:
Feb. 14, 2020
Applicant:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/28 (2006.01); B29C 70/22 (2006.01); B29C 70/30 (2006.01); B29C 70/34 (2006.01); F01D 5/30 (2006.01); B29L 31/08 (2006.01);
U.S. Cl.
CPC ...
F01D 5/282 (2013.01); B29C 70/222 (2013.01); B29C 70/30 (2013.01); B29C 70/345 (2013.01); F01D 5/3007 (2013.01); F01D 5/3092 (2013.01); B29L 2031/08 (2013.01); F05D 2240/80 (2013.01); F05D 2300/6034 (2013.01);
Abstract
A composite blade formed by laying up composite layers containing reinforcing fiber and resin, the composite blade comprising: a blade root mounted in a blade groove; an airfoil extending from the blade root to a front end side; and a metal patch mounted between the blade groove and the blade root, and bonded to the blade root.