Patent ID: 7993178
Filing Date: 2011-08-09
Classification: B63B,B63H

Abstract:
1. A surfboard having a body with top and bottom surfaces, wherein the body of the surfboard is configured to support a surfer lying in a prone position on the top surface while paddling, the surfboard defining a longitudinal axis and having substantially no protruding parts other than fins; at least one impeller contained within the body of surfboard; at least one brushless DC electric motor contained within the body of the surfboard, the electric motor being operatively connected to the impeller for providing a forward thrust to the surfboard; a radio circuit board contained within the body of the surfboard and configured to receive throttle commands for selective control of the electric motor for operating the impeller to provide a forward thrust of the surfboard; and one or more lithium batteries within the body of the surfboard configured to provide power to said electric motor; wherein performance of the surfboard when riding waves is not significantly adversely affected by the presence of the weight and bulk of the motor and lithium batteries contained within the body of the surfboard, and wherein the performance of the surfboard when paddling and catching waves is significantly enhanced by the thrust provided by the impeller powered by the motor and lithium batteries.