EP 0837246 A2 19980422 - Fan housing for feeding air to a ventilation system
Title (en)
Fan housing for feeding air to a ventilation system
Title (de)
Lüftergehäuse zur Luftzuführung eines Ventilationssystems
Title (fr)
Boîtier d'un ventilateur pour l'alimentation en air d'un système de ventilation
Publication
Application
Priority
SE 9603762 A 19961015
Abstract (en)
The present invention relates to a fan housing for feeding air via an outlet (14) to a ventilation system. The fan housing comprises a radial impeller (16) rotatably mounted to a shaft which wheel has at least one centrally arranged inlet (17) and a number of impeller blades (18). Furthermore, there is a wall (20) being substantially parallel to the rotational axis which wall is curved with a monotonous increasing radius in relation to said shaft, between a first end edge (21) at a certain distance from said impeller and a second end edge (22) at a larger distance from said impeller. An imagined, straight line (23) between the two end edges (21, 22) extends through the impeller (16). <IMAGE>
IPC 1-7
IPC 8 full level
F04D 29/42 (2006.01); F04D 29/66 (2006.01)
CPC (source: EP)
F04D 29/424 (2013.01); F04D 29/664 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0837246 A2 19980422; EP 0837246 A3 19981118; SE 9603762 D0 19961015; SE 9603762 L 19980416
DOCDB simple family (application)
EP 97850137 A 19971014; SE 9603762 A 19961015