Patent ID: 8598724
Filing Date: 2013-12-03
Classification: E02D,E04H,F03D,F05B,Y02E

Abstract:
1. A wind-driven electric power plant comprising: a generator in a nacelle; a windwheel coupled to the generator; a mast comprising: a shielding chamber comprising a base, a sidewall, and a cover connected to the sidewall; a mast mount rigidly connected to the second end of the mast and pivotally connected to the base of the shielding chamber; a mast transfer mechanism coupled to the mast mount and configured to move the mast between an operating position with the windwheel outside of the chamber and a stored position with the windwheel inside of the chamber; a motor connected to the mast transfer mechanism, a controller connected to the motor, and a sensor connected to the controller, wherein the controller is configured to control the motor to operate the mast transfer mechanism in response to an output from the sensor.