| 摘要 |
The invention relates to a hood (1) comprising an inlet section (20) and an outlet section (50) respectively allowing the entry and exit of an air flow (60), fan means (30), filter means, and a control unit (70) operationally connected to said fan means (30) for controlling at least one operating parameter thereof, so as to take a measurement of the flow rate of the air flow (60) following the activation of an electric motor (31) associated with said fan means (30), after the detection of said at least one operating parameter. |
