EP 1785080 A3 20080409 - Muffler Device for Vacuum Cleaner and Vacuum Cleaner with the same
Title (en)
Muffler Device for Vacuum Cleaner and Vacuum Cleaner with the same
Title (de)
Schalldämpfer für Staubsauger und Staubsauger mit dieser Vorrichtung
Title (fr)
Dispositif de silencieux pour aspirateur et aspirteur avec ledit dispositif
Publication
Application
Priority
CN 200510095446 A 20051110
Abstract (en)
[origin: EP1785080A2] 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.
IPC 8 full level
A47L 9/00 (2006.01)
CPC (source: EP)
A47L 9/0081 (2013.01)
Citation (search report)
- [X] DE 4100858 A1 19920716 - SIEMENS AG [DE]
- [X] GB 459644 A 19370112 - PAUL LINKE
- [A] GB 2313044 A 19971119 - DAEWOO ELECTRONICS CO LTD [KR]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
EP 1785080 A2 20070516; EP 1785080 A3 20080409; EP 1785080 A8 20070801; EP 1785080 B1 20140115; CN 100423678 C 20081008; CN 1762296 A 20060426
DOCDB simple family (application)
EP 06123600 A 20061107; CN 200510095446 A 20051110