Patent ID: 11926443
Assignee: EFIX AVIATION LTD
Field: Transport (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 0:
1. A rotorcraft comprising:
(a) a fuselage;
(b) at least three rotor system arms mounted on said fuselage, each said rotor system arm having a rotor system displaced from said fuselage, each said rotor system including:
i) a mast having at least two rotor blades, and
ii) an electric rotor motor coupled to said mast for driving said mast whereupon said at least two rotor blades act as a rotating rotor disc,
each said rotor system of said at least three rotor systems having an individually controllable collective rotor blade pitch,
at least one rotor system of said at least three rotor systems having a controllable cyclic rotor blade pitch;

(c) a forward propulsion unit mounted on said fuselage for providing forward propulsion to the rotorcraft; and
(d) a flight control system for controlling said at least three electric rotor motors, said collective rotor blade pitch of each said rotor system of said at least three rotor systems, said cyclic rotor blade pitch of said at least one rotor system of said at least three rotor systems and said forward propulsion unit in response to an input control indicating a desired maneuver to operate the rotorcraft for takeoff, gyro-cruising for straight and level forward flight, and landing,
wherein,
after takeoff, the flight control system being configured to simultaneously upwardly pitch the rotorcraft and drive said forward propulsion unit thereby at least partially autorotating said at least three rotor systems for said gyro-cruising for straight and level forward flight,
each said rotor system of said at least three rotor systems continuously rotating in the same direction for takeoff, gyro-cruising for straight and leveled flight, and landing.