Noise reducing means for vacuum cleaner

Details Noise reducing means for vacuum cleaner Noise reducing means for vacuum cleaner

A - Human Necessities

47

L

172/24, 15/56

A47L 9/00 (2006.01)

Patent

CA 1203354

SV-32 NOISE REDUCING MEANS FOR VACUUM CLEANER ABSTRACT OF THE DISCLOSURE A noise muffler for a vacuum cleaner is constructed of flexible open cell foam inserts, one of which extends across an opening through which working air flows between two plenums. At this opening the foam insert is provided with a plurality of relatively large perforations. Similar perforations may be provided at the ends of the other insert, this other insert being in the downstream plenum.

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