Patent Number: 6,168,419

Title: Flame monitor

Abstract: The invention relates to a flame monitor for blue-burning flames having a photosensor whose output signal is evaluated in such a manner that the fuel supply is switched off not only when the flame is extinguished but also when its color moves too far into the yellow band.

Inventors: Mindermann; Kurt-Henry (Ratingen, DE)

Assignee: Giersch GmbH

International Classification: F23N 5/08 (20060101); G01J 1/44 (20060101); F23N 005/08 ()

Expiration Date: 01/02/2018