Patent ID: 6911745

Claim:
A windmill apparatus positioned relative to a ground surface, comprising: a. a housing having a base, a wall portion extending therefrom, and a top overlying said wall portion, said housing having a chamber with a wind entrance thereto and an exit therefrom; b. at least one vane located within said housing chamber said vane including a hinge for rotating said one vane relative to said housing wall portion, said vane including an end portion located distally from said hinge, said vane end portion moving in an arcuate path; c. a partition located within said chamber said partition including a leg having an arcuate surface, said end portion of said one vane moving in said arcuate path immediately adjacent said arcuate surface of said partition to form a pocket for wind entering said chamber through said chamber entrance; and d. a rotatable crank shaft, said crank shaft including an arm extending therefrom, said arm further including an end portion pivotally attached to said vane between said hinge and said end portion of said vane.