EP 0586934 B1 19961106 - Vortex flow blower with reduced noise generation
Title (en)
Vortex flow blower with reduced noise generation
Title (de)
Seitenkanalgebläse mit reduzierter Geräuschentwicklung
Title (fr)
Soufflante à canal latéral avec génération de bruit reduit
Publication
Application
Priority
DE 4230014 A 19920908
Abstract (en)
[origin: EP0586934A1] Noise reducing device in a blower (11), in particular a side duct blower for the combustion air supply in a heating device, provided with a gas inlet duct (13), a gas outlet duct (14) and a gas advance arrangement (15), there being arranged, at least in the region of the opening cross-section (18, 19) of the gas inlet duct (13) and/or of the gas outlet duct (14), an arrangement for inducing a flow resistance (interference arrangement 20, 21). <IMAGE>
IPC 1-7
IPC 8 full level
F04D 23/00 (2006.01); F04D 29/66 (2006.01)
CPC (source: EP)
F04D 23/008 (2013.01); F04D 29/161 (2013.01); F04D 29/667 (2013.01)
Designated contracting state (EPC)
AT DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0586934 A1 19940316; EP 0586934 B1 19961106; AT E145039 T1 19961115; DE 4230014 C1 19940324; DE 59304401 D1 19961212; ES 2094979 T3 19970201; JP 3153058 B2 20010403; JP H06159298 A 19940607
DOCDB simple family (application)
EP 93113160 A 19930817; AT 93113160 T 19930817; DE 4230014 A 19920908; DE 59304401 T 19930817; ES 93113160 T 19930817; JP 22170193 A 19930907