A kind of mixed structure fan blade

A kind of mixed structure fan blade

  • CN 107,542,498 A
  • Filed: 06/28/2016
  • Published: 01/05/2018
  • Est. Priority Date: 06/28/2016
  • Status: Active Grant
First Claim
Patent Images

1. a kind of mixed structure fan blade, in tongue-and-groove (3), including leading edge (6), trailing edge(7), blade tip (5), tenon (4) and blade body (2), it is characterised in that the blade body(2) suction surface layer (8), pressure surface layer (9) are included and positioned at the suction surface layer (8), the pressureBucket core (1) between power surface layer (9), the tenon (4) include with the blade body (2)The middle part (4b) of side connection, the middle part (4b) include middle part core (16b) and the cladding middle part typeThe middle part clad (15b) of core (16b), the bucket core (1), the middle part core (16b) areFormed continuously and by the first material, the suction surface layer (8), the pressure surface layer (9), the middle partClad (15b) is continuous and formed by the second material that the density of second material is less than the first materialDensity.

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