Patent ID: 7535139

Claim:
A bi-directional reversible submersible motor comprising: a housing, said housing having at least one bracket fixedly mounted on an inside thereof and two opposite open ends; a sleeve affixed to said at least one bracket inside said housing, said sleeve holding a winding around an inside wall thereof; two water guide plates respectively fastened to the two opposite open ends of said housing, said water guide plates each having a center through hole; a shaft and fan blade assembly rotatably suspending in said sleeve, said shaft and fan blade assembly comprising a tubular shaft inserted through said sleeve, a magnet affixed to and extending around a periphery of said tubular shaft and suspending in said sleeve, and two fan blades respectively fastened to two distal ends of said tubular shaft; two caps respectively fastened to the two opposite open ends of said housing and respectively covered on said water guide plates; two semispherical grilles respectively fastened to the two opposite open ends of said housing and surrounding said caps, said semispherical grilles each having a plurality of radial slots and a coupling groove around the periphery of one end thereof; and two guards, said guards each having a circular coupling portion respectively pivotally coupled to the coupling grooves of said semispherical grilles and a semispherical guard shell extended from said circular coupling portion.