| 摘要 |
<p>Described is a motor vehicle ventilating device equipped with a housing (3), fastening elements (4) for attaching the housing (3) to the roof of the cabin of a motor vehicle (2) and a fan (5) positioned in the housing (3); the housing (3) defines a closed chamber (9) equipped with an air inlet opening (10) and at least one air outlet opening (11) for delivering to the vehicle cabin through the outlet opening (11) the air that is drawn into the housing (3) by the fan (5) through the inlet opening (10); the housing (3) is defined by two half-shells (12, 13) joined to each other in airtight manner, the first half-shell (12) being designed to be attached to the cabin roof and being equipped with a seat (18) for mounting the motor (6) of the fan (5) impeller (7), and the second half-shell (13) having the air inlet and outlet openings (10, 11) made in it; in an alternative embodiment, the motor (6) of the fan (5) impeller (7) is made in the second half-shell (13); the fan is of the axialflow type and the air outlet opening or openings (11) are positioned at the sides of the impeller (7) in respective radial directions of the impeller (7) itself.</p> |
