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1. (WO2014191409) FAN FILTER SYSTEM

Pub. No.:    WO/2014/191409    International Application No.:    PCT/EP2014/060948
Publication Date: Fri Dec 05 00:59:59 CET 2014 International Filing Date: Wed May 28 01:59:59 CEST 2014
IPC: A62B 9/00
A62B 18/00
Applicants: DRÄGER SAFETY AG & CO. KGAA
Inventors: VOLMER, Achim
EHLER, Björn
FREYHER, Stefan
Title: FAN FILTER SYSTEM
Abstract:
The invention relates to a fan filter system (10) having a fan filter device (20) with a fan (22), a filter receiving area (24), and a hose connection (26) for connecting a respiratory protection device (40) by means of a hose (42). The filter receiving area (24) is designed to receive a filter (30) on which a color coding (32) with a color specific to the pneumatic resistance of the filter (30) is arranged. The fan filter device (20) also has an optical sensor device (50) for detecting different colors of the color coding (32).