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    • 4. 发明公开
    • A safety device for gas heating apparatus
    • 一种用于气体加热装置的安全装置
    • EP0100758A3
    • 1984-06-06
    • EP83830161
    • 1983-08-03
    • OFFICINE DI PERNUMIA di Giancarlo de' STEFANI & C. S.a.s.
    • de' Stefani, Pierluigi
    • F23Q09/00F23N05/00F23N05/10
    • F23N5/102F23N5/006F23N5/10F23N5/14F23N2023/16F23N2027/22F23N2027/36F23N2029/02F23N2035/14F23Q9/00
    • A safety device for gas heating apparatus, is provided which is responsive to a reduction in the oxygen content in the environment in which the apparatus is located, to close a main solenoid valve (3) controlling the gas supply. The device includes a temperature transducer the temperature sensitive element (13) of which is fixed to the outside of the wall (16) of a pilot burner tube (2) to detect its temperature. In dependence on the detected temperature, the transducer generates a signal which, when the pilot flame burns in a first position (A) in the pilot burner tube (2), corresponding to normal environmental conditions, maintains the gas-supply solenoid valve (5) open and which on the other hand causes the latterto close when the pilot flame burns in a second position (B) as a result of its displacement due to a lowering of the oxygen content in the environment.
    • 提供一种用于气体加热装置的安全装置,其响应于装置所处的环境中的氧含量的降低,以关闭控制气体供应的主电磁阀(3)。 该装置包括温度传感器,其温度敏感元件(13)固定到引燃燃烧器管(2)的壁(16)的外部以检测其温度。 根据检测到的温度,换能器产生一个信号,当引燃火焰在引燃燃烧器管(2)中的第一位置(A)中燃烧时,对应于正常的环境条件,维持气体供应电磁阀(5 )打开,另一方面由于由于环境中的氧含量降低而导致火焰由于其位移而在第二位置(B)中燃烧,导致火焰熄灭。