| 摘要 |
A rotary driving apparatus using air bubbles comprises multiple rotating turbine wheels arranged one above the other and supported to be horizontally rotatable supported by sides of a tank having a gas inlet at the bottom thereof and a gas outlet at the top thereof, multiple vanes of each turbine wheel being curved or bent so that ascending gas bubbles contact the inner enclosed surface of each vane, and the multiple turbine wheels are interlocked to each other by means of gears, a chain or a belt. A rotary driving apparatus using gas bubbles also comprises one or more screws rotatably supported at the top and bottom ends of a tank having a gas inlet at the bottom thereof and a gas outlet at the top thereof, the screw or screws being placed where ascending gas bubbles contact the screw flight. The gas is introduced into a liquid and the buoyancy of the resulting gas bubbles is used to generate a rotary driving force.
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