Fiber preform for a turbine engine blade made of composite material and having an integrated platform, and a method of making it
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United States of America Patent
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Sep 26, 2017
Issued Date -
N/A
app pub date -
Jan 7, 2013
filing date -
Jan 9, 2012
priority date (Note) -
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Abstract
A method of making a fiber preform, and the preform, for fabricating a turbine engine blade out of composite material, the method including: making a single-piece fiber blank by three-dimensional weaving with layers of longitudinal yarns interlinked by yarns of layers of transverse yarns; and shaping the fiber blank to obtain a single-piece fiber preform including a portion forming an airfoil preform and at least one portion forming a platform preform. During weaving, yarns of a first group of longitudinal yarns are extracted from the fiber blank beside one of side faces of the blank to form a portion corresponding to a blade platform preform, and yarns of a second group of longitudinal yarns are inserted into the fiber blank with mutual crossing of the yarns of the first group and the yarns of the second group.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- SNECMA
International Classification(s)
- D03D:WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29D:PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FRO....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
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- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Coupe, Dominique | Le Haillan, FR | 54 | 1002 |
Dambrine, Bruno Jacques Gerard | Le Chatelet en Brie, FR | 28 | 307 |
Mahieu, Jean-Noel | Paris, FR | 14 | 241 |
Marchal, Yann | Melun, FR | 18 | 83 |
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