CHEMICAL FILTER PERFORMANCE DETECTION APPARATUS

PROBLEM TO BE SOLVED: To provide a chemical filter performance detection apparatus appropriately determining a replacement time for a chemical filter by detecting breakthrough of the chemical filter with a good sensitivity and a simple structure, in a fuel cell system having the chemical filter. SOL...

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Bibliographische Detailangaben
Hauptverfasser:	YATAKE TETSUYA, TANAKA MASATOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a chemical filter performance detection apparatus appropriately determining a replacement time for a chemical filter by detecting breakthrough of the chemical filter with a good sensitivity and a simple structure, in a fuel cell system having the chemical filter. SOLUTION: In a reaction gas supplying system for supplying reaction gas to a fuel cell body, a chemical filter 1 is placed on the upstream side, and a detection target 2 having a silver coating deposited thereon is placed in an air supply pipe 10 on the downstream side of the chemical filter 1. A reflection sensor 3 is placed in the air supply pipe to face the detection target 2, and a control device 4 is connected to the reflection sensor 3 to decide the change of the reflection factor from the detection target 2. Further, a warning device 5 is provided to transmit information from the control device 4 to a user. COPYRIGHT: (C)2008,JPO&INPIT