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Flap type marine propulsion system - has flaps operated by alternative mechanisms to give sinusoidal or cycloidal motion
Flap type marine propulsion system - has flaps operated by alternative mechanisms to give sinusoidal or cycloidal motion
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机译：襟翼式船舶推进系统-襟翼由其他机构操作以产生正弦或摆线运动
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摘要
The marine propulsion system using swinging flaps, similar to the movement of the flippers of e.g. a marine animal, and which can also be used for a water powered device, operates with a sinusoidal motion, and has a mechanism with two parallel drive shafts mounted in bearing blocks each end which can slide sideways in slots in horizontal supports, under spring pressure, each operating a crank drive arrangement, so as to vertically reciprocate a pair of parallel rods connected to two spindles secured across the flap, spaced apart and parallel to each other. These two spindles are supported in slides so that they move towards and away from one another as they reciprocate vertically. An alternate design has a cycloidal motion.
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