Patent ID: 8016560
Filing Date: 2011-09-13
Classification: F03D,F05B,Y02E

Abstract:
1. A wind turbine rotor blade, comprising: a pressure side; a suction side; at least one airfoil passage defined between said pressure side and said suction side; a respective cover configured over said airfoil passage at each of said pressure side and said suction side, said covers actuatable between a closed position wherein said covers are flush with said respective pressure side or suction side and an open position wherein said covers are moved to open said airfoil passage; a control mechanism configured with said covers to move said covers between the open and closed positions; and an actuatable lock separate from said control mechanism and operably configured between said first cover and respective said pressure side or suction side to maintain said first cover in the closed position and to release said first cover upon receipt of a control signal at a setpoint load condition whereby said cover moves to the open position by action of the control mechanism.