EP 1398575 B1 20081231 - Apparatus for minimising noise from a fan unit
Title (en)
Apparatus for minimising noise from a fan unit
Title (de)
Vorrichtung zur Geräuschminderung von einer Lüftereinheit
Title (fr)
Appareil pour minimiser le bruit provenant d'une unite de ventilateur
Publication
Application
Priority
EP 02255902 A 20020823
Abstract (en)
[origin: EP1398575A1] The unit has at least two shaped guides (24) attached to a base plate (14), at the fan unit interior. The guides form two air flow channels each formed with a neck portion that creates a unidirectional air flow through the air flow channel.
IPC 8 full level
F24F 7/02 (2006.01); F04D 29/44 (2006.01); F04D 29/66 (2006.01); F24F 7/007 (2006.01); F24F 13/24 (2006.01)
CPC (source: EP)
F04D 29/441 (2013.01); F04D 29/663 (2013.01); F24F 7/007 (2013.01); F24F 13/24 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
EP 1398575 A1 20040317; EP 1398575 B1 20081231; AT E419496 T1 20090115; DE 60230616 D1 20090212
DOCDB simple family (application)
EP 02255902 A 20020823; AT 02255902 T 20020823; DE 60230616 T 20020823