The flame monitor uses a semiconductor flame detector coupled to an electronic evaluation circuit, the detector having a maximum sensitivity in the near UV range, the evaluation circuit delivering a warning signal for the air/fuel ratio when the frequency of the detector output signal, representing the flicker frequency, drops below a given value.
申请公布号
DE19746786(A1)
申请公布日期
1999.04.29
申请号
DE19971046786
申请日期
1997.10.23
申请人
GIERSCH GMBH OEL- UND GASBRENNERWERK, 58675 HEMER, DE