Windmill apparatuses and methods of mounting blades to...

Fluid reaction surfaces (i.e. – impellers) – Lashing between working members or external bracing – Connecting adjacent work surfaces

Reexamination Certificate

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C416S203000, C180S007400

Reexamination Certificate

active

10783800

ABSTRACT:
A windmill apparatus has multiple pairs of blades to enhance power output and lift performance. The apparatus has multiple double acting piston/cylinders actuated by the windmill, which includes several clutches that are used to engage and disengage the windmill from the motor.

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