Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

A - Human Necessities

47

L

15/56

A47L 5/00 (2006.01) A47L 9/00 (2006.01)

Patent

CA 1142716

ABSTRACT A vacuum cleaner is provided with a sound insulating device located between a suction unit housed in the cleaner casing and the hood of that casing. The suction unit comprises a fan and an electric motor and the casing also houses a dust filter. The insulating device comprises a truncated conical casing with an insulating plate covering the smaller end thereof. Openings are provided in the casing adjacent the smaller end. A further insulating member has protuberances on its inner surface and surrounds the casing with the ends of the protuberances contacting the casing. The protuberances are in staggered relationship so as to provide a zig-zag air passage extending between openings and outlet openings in the hood. The larger end of the casing rests on the filter. The casing, the plate and the member are of sound absorbent material.

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