Salient White Elephant

March 23, 2009

Direct Drive System for Horizontal Axis Wind Turbine

Direct Drive System for Horizontal Axis Wind Turbine, Mechanism That Catches Blade Tip

Direct Drive System for Horizontal Axis Wind Turbine

The diagrams are not very well done, and certainly not sufficiently detailed. But basically what happens is that a blade catching mechanism follows the blade that it catches through the arc shaped guide. After the blade moves past the end of the guide, the blade catching mechanism begins its return trip back to the beginning of the arc shaped guide. The blade catching mechanism will arrive at the beginning of the arc just in time to catch its blade as it comes back around. All three of the blade catching mechanisms behave this way, and they are synchronized in order to catch each blade with little mechanical shock on impact (i.e. a blade catching mechanism is moving at the same speed as the blade at the moment it makes contact with the blade).

The mechanical system that incorporates the three blade catching mechanisms also drives the (off-the-shelf) generator.

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