Liebherr-aerospace Lindenberg Gmbh

Klaus Schmelz

Markus Bildstein

Christian Schilling

Philipp Kegel

Peter Glas

The invention relates to an aircraft landing gear, particularly a front landing gear with at least one EHDC unit, which has at least one electric motor and at least one hydraulic pump, whereby at least one adjusting device is provided for the adjustment of the position of the aircraft landing gear, whereby the adjusting device comprises at least one actuator for driving the adjusting device, whereby the steering angle and/or the steering speed and/or the retraction speed and/or the extension speed and/or the end position damping and/or the position of the adjusting device can be controlled or adjusted by means of the electric motor driving the at least one actuator of the adjusting device by means of the hydraulic pump.

Aircraft landing gear

The present invention relates to an actuation device for the actuating of an adjustment surface of an aircraft such as an elevator, a rudder or the like, of landing gear or another aircraft or surface vehicle actuator, comprising an electrohydraulic actuator having a servo control cylinder, a pump for pressure fluid action on the servo control cylinder as well as an electric motor for the actuation of the pump, with the electric motor having a liquid cooling. In accordance with the invention, the actuation device is characterized in that a leak flow of the pump is guided over a leak passage through the electric motor to cool the electric motor.

Growing community of inventors

Grünenbach, Germany

Klaus Schmelz