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:
Aug. 18, 2020
Filed:
Apr. 27, 2018
Applicant:
Ratier-figeac Sas, Figeac, FR;
Inventors:
Assignee:
RATIER-FIGEAC SAS, Figeac, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/28 (2006.01); B32B 5/02 (2006.01); B32B 5/10 (2006.01); B32B 5/26 (2006.01); B32B 27/12 (2006.01); B32B 27/18 (2006.01); B32B 27/28 (2006.01); B32B 37/06 (2006.01); B32B 37/10 (2006.01); B32B 37/18 (2006.01); B29D 99/00 (2010.01); F01D 5/30 (2006.01); B29C 70/12 (2006.01); B64C 11/26 (2006.01); B29K 105/08 (2006.01); B29K 71/00 (2006.01); B29K 105/12 (2006.01); B29K 307/04 (2006.01);
U.S. Cl.
CPC ...
F01D 5/282 (2013.01); B29C 70/12 (2013.01); B29D 99/0025 (2013.01); B32B 5/024 (2013.01); B32B 5/10 (2013.01); B32B 5/26 (2013.01); B32B 27/12 (2013.01); B32B 27/18 (2013.01); B32B 27/288 (2013.01); B32B 37/06 (2013.01); B32B 37/10 (2013.01); B32B 37/185 (2013.01); B64C 11/26 (2013.01); F01D 5/3007 (2013.01); B29K 2071/00 (2013.01); B29K 2105/0845 (2013.01); B29K 2105/12 (2013.01); B29K 2307/04 (2013.01); B32B 2260/023 (2013.01); B32B 2260/046 (2013.01); B32B 2262/106 (2013.01); B32B 2305/076 (2013.01); B32B 2305/188 (2013.01); B32B 2313/04 (2013.01); B32B 2371/00 (2013.01); B32B 2603/00 (2013.01); F05D 2220/323 (2013.01); F05D 2230/40 (2013.01); F05D 2240/30 (2013.01); F05D 2300/603 (2013.01);
Abstract
A method is disclosed for manufacture of a composite blade with an airfoil and a root, wherein the blade comprises a core of chopped fibre composite material and a textile composite material encasing the chopped fibre core. The method comprises: forming a blade insert using chopped fibre composite; surrounding the blade insert with a plurality of layers of a textile in a textile composite material; and thermoforming the blade insert and the surrounding textile composite material in a thermoforming mould in order to consolidate the part.