EP 0494872 B1 19980408 - A VENTILATION SYSTEM
Title (en)
A VENTILATION SYSTEM
Title (de)
EIN VENTILATIONSSYSTEM
Title (fr)
SYSTEME D'AERATION
Publication
Application
Priority
- AU 9000316 W 19900731
- AU PJ550089 A 19890731
- AU PJ550189 A 19890731
Abstract (en)
[origin: WO9101821A1] A ventilation system particularly for use with a fume cupboard of the kind used in laboratories or similar situations including velocity sensors for providing signals to a control system which operates a damper system for selectively regulating the supply of external air to an exhaust duct for maintaining a predetermined air velocity in the fume cupboard. Preferably the sash of the fume cupboard includes drive means for enabling automatic closure of the sash in the event of extended periods of non-use.
IPC 1-7
IPC 8 full level
B08B 15/02 (2006.01)
CPC (source: EP)
B08B 15/023 (2013.01)
Designated contracting state (EPC)
AT CH DE ES FR GB IT LI SE
DOCDB simple family (publication)
WO 9101821 A1 19910221; AT E164787 T1 19980415; DE 4091373 C2 20000810; DE 4091373 T 19921210; DE 69032226 D1 19980514; DE 69032226 T2 19991007; EP 0494872 A1 19920722; EP 0494872 A4 19921223; EP 0494872 B1 19980408
DOCDB simple family (application)
AU 9000316 W 19900731; AT 90911765 T 19900731; DE 4091373 A 19900731; DE 4091373 T 19900731; DE 69032226 T 19900731; EP 90911765 A 19900731