EP 1703139 A1 20060920 - Centrifugal ventilator
Title (en)
Centrifugal ventilator
Title (de)
Radialgebläse
Title (fr)
Ventilateur centrifugal
Publication
Application
Priority
DE 202005004180 U 20050314
Abstract (en)
The casing (4) has a side portion (2), pot-shaped casing portion (3) to form a casing scroll and a pressure chamber. The chamber has an impeller wheel (5) with radially extending blades. The ratio of the greatest blade height (H) to the greatest diameter (D) of the scroll is between 0.08-0.3.
IPC 8 full level
F04D 29/44 (2006.01)
CPC (source: EP US)
F04D 29/422 (2013.01 - EP US); F04D 29/441 (2013.01 - EP US)
Citation (applicant)
EP 0410271 A2 19910130 - SEL ALCATEL AG [DE]
Citation (search report)
- [X] US 2004062646 A1 20040401 - NOMURA TADAHIRO [JP]
- [X] US 5156524 A 19921020 - FORNI RONALD J [US]
- [X] GB 2057567 A 19810401 - BORG WARNER
- [A] US 6314894 B1 20011113 - GATLEY JR WILLIAM STUART [US]
- [A] EP 0961087 A2 19991201 - CARRIER CORP [US]
- [A] US 6146092 A 20001114 - BOTROS MONIER BIBAWY [US], et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 009, no. 311 (M - 436) 7 December 1985 (1985-12-07)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
US 2006204382 A1 20060914; US 8257034 B2 20120904; AT E497109 T1 20110215; DE 202005004180 U1 20060727; DE 502006008789 D1 20110310; EP 1703139 A1 20060920; EP 1703139 B1 20110126; ES 2360580 T3 20110607
DOCDB simple family (application)
US 37461506 A 20060313; AT 06004223 T 20060302; DE 202005004180 U 20050314; DE 502006008789 T 20060302; EP 06004223 A 20060302; ES 06004223 T 20060302