EP 1249668 A3 20040107 - Roof ventilator
Title (en)
Roof ventilator
Title (de)
Dachventilator
Title (fr)
Ventilateur de toit
Publication
Application
Priority
DE 10118226 A 20010412
Abstract (en)
[origin: DE10118226C1] The ventilator has a casing (1) with an upper conical cover (9). The lower part of the casing contains a radial rotatable running wheel (5). The casing has a vertical flow channel (4) with a flow-operated closing device in the form of an annular closing cap (11) round the upper cover of the casing which can move up and down in the casing.
IPC 1-7
IPC 8 full level
F24F 7/02 (2006.01)
CPC (source: EP)
F24F 7/025 (2013.01)
Citation (search report)
- [A] US 3942422 A 19760309 - KAWAI YUZO, et al
- [A] GB 1112173 A 19680501 - GREENWOOD AIRVAC VENTILATION, et al
- [A] GB 968355 A 19640902 - BRYCE HAROLD MILLER
- [DA] DE 19612272 A1 19971002 - MAICO ELEKTROAPPARATE [DE]
- [A] US 2824507 A 19580225 - ALLDRITT LAWRENCE L, et al
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
DE 10118226 C1 20020620; EP 1249668 A2 20021016; EP 1249668 A3 20040107
DOCDB simple family (application)
DE 10118226 A 20010412; EP 02005688 A 20020313