Title:
REINFORCED CORE MATERIAL FOR FAN BLADE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/024003
Kind Code:
A1
Abstract:
The present invention provides a reinforced core material for a fan blade, comprising a core material and reinforcements distributed inside the core material. The reinforcements comprise one or more first reinforcements and one or more second reinforcements that are spaced apart from each other and alternately distributed, wherein the first reinforcement and the second reinforcement extend transversely to the length direction of the reinforced core material, the tensile modulus and tensile strength of the first reinforcement are greater than the tensile modulus and tensile strength of the second reinforcement respectively, the first reinforcement is formed via resin infiltration on one or more fibers of the same or different shapes, and the second reinforcement is a synthetic high polymer.
Inventors:
ZHANG JINGJING (CN)
ZHANG XIANGYANG (CN)
MA HAO (CN)
SUI JIANJUN (CN)
XU GANG (CN)
SUN JIANXU (CN)
ZHANG XIANGYANG (CN)
MA HAO (CN)
SUI JIANJUN (CN)
XU GANG (CN)
SUN JIANXU (CN)
Application Number:
PCT/CN2021/114661
Publication Date:
March 02, 2023
Filing Date:
August 26, 2021
Export Citation:
Assignee:
ENVISION ENERGY CO LTD (CN)
International Classes:
F03D1/06; B32B3/30; B32B21/10; B32B33/00; B32B37/02; F01D5/28
Domestic Patent References:
| WO2010057502A2 | 2010-05-27 |
Foreign References:
| CN111605256A | 2020-09-01 | |||
| CN110129984A | 2019-08-16 | |||
| CN102465844A | 2012-05-23 | |||
| US20140234114A1 | 2014-08-21 |
Attorney, Agent or Firm:
SHANGHAI ZHISHENG INTELLECTUAL PROPERTY OFFICE (CN)
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