| 摘要 |
PURPOSE: A single-impeller pump and turbine are provided to minimize the waste of water by stopping a water flow when single-impeller turbine stops. CONSTITUTION: A single-impeller turbine(7) comprises a center gear(3), a rotary plate(4), a connecting gear(5), an external gear(6), a water suction port(9), and a water discharge port(10). The center gear is connected to the center of a gear box(2) not to rotate. A rotary shaft is connected to the center of the rotary plate, and inserted into the center of the center gear. The connecting gear is engaged with the center gear, and assembled to the rotary plate. The external gear is eccentrically assembled to the rotary plate. If the rotary shaft rotates, the external gear rotates reversely by half while the rotary plate connected between the center of single-impeller turbine and the external gear. One side of the single-impeller turbine contacts with an end(12) of a barrier between the water suction port and the water discharge port, and slidingly rotates.
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