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Vertical takeoff and landing aircraft with multiple rotors

  • US 20020104922A1
  • Filed: 12/08/2000
  • Published: 08/08/2002
  • Est. Priority Date: 12/08/2000
  • Status: Abandoned Application
First Claim
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1. A vertical takeoff and landing aircraft with multiple rotors comprising a gear unit (F) and a gear unit (R), said gear unit (F) having two driving gears (6) combined on both sides of another driving gear (5) and variable pitch rotors (FR) and (FL) combined with the other end of said driving gears (6) respectively, and said gear unit (R) having the same driving gear system as said gear unit (F) and variable pitch rotors (RR) and (RL) combined with the other end of said driving gears (6) respectively, a transmission shaft combined with said gear units (F), (R) and said driving gear (5), a frame to support all said units, and a protector equipped outside of said rotors (FR), (FL), (RR) and (RL) with a certain clearance.

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