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(11) | EP 1 785 080 A8 |
(12) | CORRECTED EUROPEAN PATENT APPLICATION |
Note: Bibliography reflects the latest situation |
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(54) | Muffler Device for Vacuum Cleaner and Vacuum Cleaner with the same |
(57) The present invention discloses a muffler device (4) for vacuum cleaner, which is
arranged in an air exhaust passage (3) extending from a motor (1) of the vacuum cleaner
to an air exhaust outlet (2), and is provided with a plurality of elongate tubes (5).
A vacuum device (4) with a muffler device according to the invention can reduce noise
produced by the vacuum cleaner during operation, by improving the flexure quality
of the air exhaust passage (3) to cause energy loss of sound waves during diffusing.
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