Ventilation system for household appliances in particular...

Details Ventilation system for household appliances in particular... Ventilation system for household appliances in particular...

2002-03-19

2008-03-25

Gravini, S. (Department: 3749)

Drying and gas or vapor contact with solids

Apparatus

Houses, kilns, and containers

C134S095200

Reexamination Certificate

active

07347005

ABSTRACT:
Ventilation system for household appliances, in particular for washing machines, including a device having at least a chamber for housing an impeller, a suction duct, through which a first fluid, in particular damp air, is sucked into the chamber by the impeller, an ejection duct, through which the first fluid sucked into the chamber is expelled from it by the impeller, a first movable shuttering for obstructing the suction duct at least partially, the first shutter being movable at least partially inside the suction duct, and a first actuator for producing the motion of the first shutter. According to the invention, after operation of the first actuator the first shutter is capable of performing movements having at least a linear component, the linear component extending in the same axial direction of the suction duct.

REFERENCES:
patent: 4754770 (1988-07-01), Fornasari
patent: 5660195 (1997-08-01), Taylor et al.
patent: 5927400 (1999-07-01), Bononi et al.
patent: 7047987 (2006-05-01), Cerruti et al.

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