| 摘要 |
<p>A hydrobrush of the type incorporating a small Pelton turbine actuated by a water jet at the pressure of the water main and which causes the rotation of a brush. The impeller (4) of said turbine is provided with a coaxial small toothed wheel (504) which is in mesh with two or more toothed wheels or satellites (5) of larger diameter, which in turn are in mesh with a crown gear (303) which surrounds them and is secured to the body (3) of said hydrobrush.</p> |
