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Patent

Bell awarded patent for Tiltrotor aircraft having spherical bearing mounted pylon assemblies

Bell awarded patent for Tiltrotor aircraft having spherical bearing mounted pylon assemblies

A propulsion system for a tiltrotor aircraft includes an engine supported by the airframe and a fixed gearbox operably coupled to the engine. Inboard and outboard pedestals are supported by the airframe and positioned above the wing. A pylon assembly is rotatably coupled between the inboard and outboard pedestals. The pylon assembly includes a spindle… Read more »

Source: USPTO, 17-Nov-17

Merlin Technology awarded patent for Rotorcraft autopilot and methods

Merlin Technology awarded patent for Rotorcraft autopilot and methods

A helicopter autopilot system includes an inner loop for attitude hold for the flight of the helicopter including a given level of redundancy applied to the inner loop. An outer loop is configured for providing a navigation function with respect to the flight of the helicopter including a different level of redundancy than the inner loop. An actuator provides a braking… Read more »

Source: USPTO, 22-Sep-17

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Airbus awarded patent for Rotor drive system

Airbus awarded patent for Rotor drive system

A rotor drive for a tail rotor of a helicopter is provided. The system includes a stator and a rotor mounted to the stator with a rotatable central carrier. Rotor blades are radially attached to the rotatable central carrier and each of the rotor blades is pivotable about their respective radial central axis for variation of blade… Read more »

Source: USPTO, 22-Sep-17

Labinal awarded patent for helicopter turbine engine control system

Labinal awarded patent for helicopter turbine engine control system

An electrical control and power supply system for at least one helicopter motor/generator, the system including a first DC/AC converter selectively delivering AC electrical power to the at least one motor/generator, depending on respective positions of contactors of a connection matrix actuated from an electronic control circuit, the first DC/AC converter powered with DC by a DC… Read more »

Source: USPTO, 11-Sep-17

Airbus Defence and Space GmbH awarded patent for Auxiliary drive system for a helicopter

Airbus Defence and Space GmbH awarded patent for Auxiliary drive system for a helicopter

A drive system for a helicopter includes a main drive for driving a rotor the helicopter, a flywheel mass battery including at least one flywheel, a first transmission coupling the flywheel mass battery with the main drive such that, during operation of the main drive, output can be transferred from the main drive to the flywheel mass battery, and… Read more »

Source: USPTO, 23-Aug-17

Airbus awarded patent for connection joint for attaching an airfoil blade to a helicopter’s bearingless main rotor

Airbus awarded patent for connection joint for attaching an airfoil blade to a helicopter’s bearingless main rotor

An airfoil blade (2) of a bearingless rotor of a helicopter. Said airfoil blade (2) has a pitch axis from a tip end to a root end and said root end is provided with junction means for a separable junction arrangement of said airfoil blade (2) with a flexbeam head (13), and a control cuff (4,… Read more »

Source: USPTO, 25-Jul-17