Patent ID: 9291149
Filing Date: 2016-03-22
CPC Classification: F03B,F03D,F05B,Y02E

Claim Text:
1. A turbine powered by a moving fluid, comprising: a) spaced apart stationary housing plates, at least one of said housing plates defining a track; b) a main shaft extending between said stationary housing plates and mounted for rotation relative to said stationary housing plates about a first axis; c) a plurality of arms radially extending from said main shaft; d) at least one fin rotatably attached to each of said arms for rotation about a fin axis, wherein each fin is operably guided by the track at a location offset from the fin axis such that the fins pivot as the main shaft rotates, with each fin pivoting from a vertical orientation at a first angular position of the arm on which the fin is mounted to a horizontal orientation at a second angular position of the arm that is diametrically opposed to the first angular position, and then to the vertical orientation as the fin returns to the first angular position.