Patent ID: 8142167
Filing Date: 2012-03-27
Classification: F04D

Abstract:
1. A paddlewheel apparatus, comprising: a paddlewheel axle; first and second spaced apart annular wheel hubs mechanically coupled to and locked in rotation with the paddlewheel axle; a plurality of elongated, tri-curved paddles each being arranged generally parallel to a longitudinal axis of the paddlewheel axle and being cooperatively supported by the first and second wheel hubs, wherein the plurality of paddles are arranged at predetermined intervals around the circumference of the first and second annular wheel hubs and spaced apart from the paddlewheel axle; first and second fixed supports supporting the paddlewheel axle; and a motor coupled to the paddlewheel axle through a gearbox for rotating the paddlewheel axle; wherein the paddlewheel axle is mechanically coupled to the first and second supports through a height-adjustment mechanism for adjusting the height of the paddlewheel axle with respect to a pond floor.