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Safety system for aerial vehicles and method of operation

  • US 10,531,994 B2
  • Filed: 02/23/2018
  • Issued: 01/14/2020
  • Est. Priority Date: 01/30/2017
  • Status: Active Grant
First Claim
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1. A rotorcraft comprising:

  • an airframe comprising a rocket engine, wherein the rocket engine comprises a structural member of the airframe;

    a rotor rotationally coupled to the airframe about a rotor axis; and

    a powerplant mechanically coupled to the rotor by a power transmission, wherein the powerplant drives rotation of the rotor about the rotor axis;

    wherein;

    the rocket engine comprises a propulsion vector;

    the rotorcraft comprises a rotor vector directed along the rotor axis from the airframe to the rotor; and

    a dot product of the propulsion vector and the rotor vector is greater than zero.

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