EP 0805277 A1 19971105 - A centrifugal ventilator
Title (en)
A centrifugal ventilator
Title (de)
Kreisellüfter
Title (fr)
Ventilateur centrifugal
Publication
Application
Priority
EP 96107007 A 19960503
Abstract (en)
The invention relates to a centrifugal ventilator (10) comprising an impeller (2) rotating internally of a volute (3) afforded as an impression made in a parallelepiped single block (1) made of a plastic material. The single block (1) is provided with an external shape which is different to a shape of the volute (3) and exhibits, in a zone thereof not occupied by the volute (3), impressions (5) and/or through-holes (6) of various shapes and dimensions; a cover (4) also being provided for closing the impression forming the volute (3). <IMAGE>
IPC 1-7
IPC 8 full level
F04D 29/42 (2006.01); F04D 29/66 (2006.01)
CPC (source: EP)
F04D 29/4226 (2013.01); F04D 29/668 (2013.01)
Citation (search report)
- [X] DE 2622969 A1 19771124 - BERNSTEIN HANS FRIEDRICH ING G
- [X] FR 2406107 A1 19790511 - VIERLING CHARLES [FR]
- [X] EP 0083704 A1 19830720 - FSL FENSTER SYSTEM LUEFTUNG [DE], et al
- [X] DE 1403496 A1 19690130 - DAIMLER BENZ AG
- [X] DE 1503610 A1 19700416 - SOUND ATTENUATORS LTD
- [A] FR 2469770 A1 19810522 - TUZELESTECHNIKAI KUTATOINTEZET [HU]
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0805277 A1 19971105; EP 0805277 B1 20011121; AT E209303 T1 20011215; DE 69617205 D1 20020103; DE 69617205 T2 20020822
DOCDB simple family (application)
EP 96107007 A 19960503; AT 96107007 T 19960503; DE 69617205 T 19960503