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Priority claimed from JP47004299Aexternal-prioritypatent/JPS4874628A/ja
Priority claimed from JP47033519Aexternal-prioritypatent/JPS48101630A/ja
Priority claimed from JP4344772Uexternal-prioritypatent/JPS495039U/ja
Priority claimed from JP47042224Aexternal-prioritypatent/JPS494231A/ja
Priority claimed from JP9546872Uexternal-prioritypatent/JPS4953788U/ja
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Publication of NL7300185ApublicationCriticalpatent/NL7300185A/xx
F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
F23N5/12—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
F23N5/123—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods using electronic means
F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
F23N5/08—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using light-sensitive elements