Patent ID: 9057343
Filing Date: 2015-06-16
Classification: F02K

Abstract:
1. A control system comprising a TRAS actuator, a VAFN actuator, and a control unit selectively operable to control the operation of the TRAS actuator and the VAFN actuator, wherein the TRAS actuator is driven by a TRAS electric motor, and the VAFN actuator by a VAFN electric motor, and at least one control circuit of the control unit is a common power drive control circuit, common to the operation of both the TRAS actuator and the VAFN actuator; wherein: the control unit is of a dual channel type, and each of the TRAS electric motor and the VAFN electric motor includes a pair of power supply channels connected to respective channels of the control unit; and a contactor or other switch means receives power from the control circuit via said power supply channels and is operable to determine which of the motors is controlled by the common power drive control circuit at any given time.