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Gas turbine engine hollow fan blade rib orientation

  • US 10,641,098 B2
  • Filed: 07/14/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 07/14/2017
  • Status: Active Grant
First Claim
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1. A fan blade comprising:

  • first and second portions secured to one another and providing a cavity, the first and second portions forming an exterior airfoil surface extending in a radial direction from a root to a tip and in a chord-wise direction from a leading edge to a trailing edge, radial ribs extending in a radial direction from the root toward the tip and spaced apart from one another in the chord-wise direction, first and second angled ribs intersecting one another at a first apex, the radial ribs intersecting at least one of the first and second angled ribs, the first and second angled ribs at an angle relative to one of the radial ribs, the angle is in range of 45°

    +/−

    15°

    .

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