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FAN ROTOR WITH CONSTRUCTION AND SAFETY PERFORMANCE OPTIMIZATION

  • US 20020131865A1
  • Filed: 03/13/2001
  • Published: 09/19/2002
  • Est. Priority Date: 03/13/2001
  • Status: Active Grant
First Claim
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1. A fan rotor comprising:

  • a hub having a radial cross-section defined by an I-beam, said hub having a forward side receiving an airflow and a backside opposite said forward side;

    a plurality of unequally-spaced rotor blades disposed circumferentially around and extending radially outward from said hub;

    each rotor blade from said plurality of rotor blades having a root portion coupled to said hub, said root portion including a concave fillet circumventing said each rotor blade; and

    at least one of said forward side and said backside of said hub incorporating an axially extending pad for rotational balance.

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