Hybrid drive for helicopters

摘要

The rotors of a helicopter are powered by electric motors. The electrical energy required for this purpose is produced by a motor-generator unit, which comprises one or more internal combustion engines. The motor-generator unit can be secured under the cabin floor. This yields a hybrid helicopter that can set the rotational frequency of the rotors within a large interval.

主权项

1. A hybrid helicopter comprising:
a hybrid drive; and a cabin floor; wherein the hybrid drive comprises:
a first motor;a second motor; anda generator unit; wherein the first motor is configured to power the generator unit; wherein the generator unit is configured to produce electrical energy for supplying the second motor; and wherein the second motor is an electric motor configured to power a rotor of the helicopter; wherein the first motor and the generator unit are arranged under the cabin floor of the helicopter.