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    • 10. 发明授权
    • Safety shut-off device for liquid fuel burners
    • 液体燃料燃烧器安全关闭装置
    • US5551865A
    • 1996-09-03
    • US559922
    • 1995-11-17
    • Richard W. HendersonSamuel R. Henderson
    • Richard W. HendersonSamuel R. Henderson
    • F23D3/26F23N5/10F23N5/24F23N5/00
    • F23N5/245F23D3/26F23N2023/30F23N2025/02F23N2031/14F23N2037/14F23N2039/06F23N5/10
    • A safety device for preventing uncontrolled burning in wick-fed liquid fuel burners employs a solenoid (76) and a thermocouple (18) in combination with a microswitch (80). When excess fuel enters the fuel chamber (40), a float (30) is urged upward, which forces a pin (28) upward, causing a microswitch (80) to open, thereby interrupting the electrical communication between the solenoid and thermocouple. As a result, a spring (24) can act to force an arm (14) upward, actuating the automatic wick extinguishing unit (42). Also, the mechanism prevents re-ignition of the wick (54) until the excess fuel is removed from the fuel chamber. When the fuel in the fuel chamber exceeds a predetermined level, a warning gauge needle (84) is deflected, alerting the user of the liquid fuel burner to a dangerous condition.
    • 用于防止排液液体燃料燃烧器中不受控制燃烧的安全装置采用与微动开关(80)组合的螺线管(76)和热电偶(18)。 当多余燃料进入燃料室(40)时,浮子(30)被向上推动,这迫使销(28)向上,导致微动开关(80)打开,从而中断螺线管和热电偶之间的电连通。 结果,弹簧(24)能够作用于向上推动臂(14),从而致动自动吸油枪灭火单元(42)。 而且,该机构防止芯(54)的再点火,直到从燃料室移除多余的燃料。 当燃料室中的燃料超过预定水平时,警告计量针84被偏转,使液体燃料燃烧器的使用者处于危险状态。