EXTRACTION HOOD

摘要

The present invention relates to a suction device (103) for a hood (101), comprising a motor, and further comprising an impeller driven by the motor and configured to draw an air flow and direct it into an outflow collar (203); the suction device (103) further comprises at least one flap (204, 205) connected to the collar (203) and hinged (301) on one side only, the at least one flap (204, 205) being configured to close the collar (203) when the impeller is idle, and to be lifted by the air flow so as to clear the collar (203) when the impeller is rotating.

主权项

1. A Suction device for a hood, the suction device comprising:
a motor; an impeller driven by said motor and configured to draw an air flow and direct it into an outflow collar; and at least one flap connected to said collar and hinged on one side only, said at least one flap being configured to close said collar when said impeller is idle, and to be lifted by said air flow so as to clear said collar when said impeller is rotating.