| 摘要 |
<p>The device removes dirt by suction using a turbine wheel device producing a suctional air flow. The turbine wheel (1) is connected to the rotor or other constructional components (2) of the rotor of a machine, in partic a hand drill or hand operated drilling device (3). The outer and rear boundary of the turbine wheel (1) is formed by a roughly pot shaped turbine housing (6) the free front edge (7) of which serves as an attachment to the suction or offtake channel (8).</p> |
