FLAME-MONITORING DEVICE

FLAME-MONITORING DEVICE

The invention relates to a flame-monitoring device in which an a.c. input voltage (U 1 ) is limited to a voltage limit (U 2 ) by means of a voltage limiter ( 4 ). Said voltage limit (U 2 ) is applied to a flame sensing device ( 7 ) which operates by means of the rectifying effect of a flame, and thr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DIEBOLD, ALEXANDER, HOFFMANN, JUERGEN, BOTT, KLAUS, KIND, REINER
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
HEATING
LIGHTING
MECHANICAL ENGINEERING
REGULATING OR CONTROLLING COMBUSTION
WEAPONS
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Beschreibung
Zusammenfassung:The invention relates to a flame-monitoring device in which an a.c. input voltage (U 1 ) is limited to a voltage limit (U 2 ) by means of a voltage limiter ( 4 ). Said voltage limit (U 2 ) is applied to a flame sensing device ( 7 ) which operates by means of the rectifying effect of a flame, and through which a current (i) flows, especially when a flame ( 6 ) is present. An asymmetric voltage limit (U 2 ) can be defined by said voltage limiter ( 4 ), said limit being then applied to the sensing device ( 7 ).