| 摘要 |
Naked-(free-)flame safety device for gas-fired heating appliances and fitted with a pilot burner 3 with a jet for flame indication, this device comprising at least one fin (vane) 20 extending along the continuation of the free end of the jet 18 of the burner. A thermocouple element 21 is fixed to the fin (vane) 20 in order to form, with the jet 18, a thermoelectric thermocouple junction. <IMAGE>
|
