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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

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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