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    • 2. 发明授权
    • Safety valve drive system
    • 安全阀驱动系统
    • US08528588B2
    • 2013-09-10
    • US12665277
    • 2008-06-17
    • Hiroshi YamazakiTakeo ShimizuYuka Suzuki
    • Hiroshi YamazakiTakeo ShimizuYuka Suzuki
    • F16K17/00F16K31/12G21C9/00
    • G21D3/04F16K17/10G21Y2002/206G21Y2002/50G21Y2004/30Y02E30/40Y10T137/7734Y10T137/7762
    • A safety valve drive system is operated such that a safety valve of a nuclear power plant is opened by supplying a driving gas by using a pilot valve at an occurrence of an accident or a transient state to thereby protect a reactor against pressure application. The safety valve drive system is provided with a safety valve drive unit, as a function of actuating the safety valve, and cables. The safety valve drive unit actuates in a manner that the safety valve is opened in response to respective auto-depressurization system actuating signals for two or more segments among respective auto-depressurization system actuating signals for four segments, and is closed if an auto-depressurization system actuating signal for one or less segment among the auto-depressurization system actuating signals for the four segments is received. The cables are connected to the safety valve drive unit and used to transfer the auto-depressurization system actuating signals for the four segments.
    • 操作安全阀驱动系统,使得在发生事故或瞬态时通过使用先导阀供应驱动气体来打开核电厂的安全阀,从而保护反应堆免受压力的应用。 安全阀驱动系统设有安全阀驱动单元,作为启动安全阀和电缆的功能。 安全阀驱动单元以使安全阀响应于相应的自动减压系统致动信号而被打开的方式启动两个或更多个段,用于四个段的相应的自动减压系统启动信号中,并且如果自动减压 接收到用于四个段的自动减压系统致动信号中的一个或更少段的系统致动信号。 电缆连接到安全阀驱动单元,用于传送四个段的自动减压系统启动信号。
    • 3. 发明申请
    • SAFETY VALVE DRIVE SYSTEM
    • 安全阀驱动系统
    • US20100181508A1
    • 2010-07-22
    • US12665277
    • 2008-06-17
    • Hiroshi YamazakiTakeo ShimizuYuka Suzuki
    • Hiroshi YamazakiTakeo ShimizuYuka Suzuki
    • G21D3/04
    • G21D3/04F16K17/10G21Y2002/206G21Y2002/50G21Y2004/30Y02E30/40Y10T137/7734Y10T137/7762
    • A safety valve drive system is operated such that a safety valve of a nuclear power plant is opened by supplying a driving gas by using a pilot valve at an occurrence of an accident or a transient state to thereby protect a reactor against pressure application. The safety valve drive system is provided with a safety valve drive unit, as a function of actuating the safety valve, and cables. The safety valve drive unit actuates in a manner that the safety valve is opened in response to respective auto-depressurization system actuating signals for two or more segments among respective auto-depressurization system actuating signals for four segments, and is closed if an auto-depressurization system actuating signal for one or less segment among the auto-depressurization system actuating signals for the four segments is received. The cables are connected to the safety valve drive unit and used to transfer the auto-depressurization system actuating signals for the four segments.
    • 操作安全阀驱动系统,使得在发生事故或瞬态时通过使用先导阀供应驱动气体来打开核电厂的安全阀,从而保护反应堆免受压力的应用。 安全阀驱动系统设有安全阀驱动单元,作为启动安全阀和电缆的功能。 安全阀驱动单元的启动方式是响应于相应的自动减压系统致动信号而打开安全阀,以在四个段的相应的自动减压系统致动信号中的两个或多个段进行启动信号,并且如果自动减压 接收到用于四个段的自动减压系统致动信号中的一个或更少段的系统致动信号。 电缆连接到安全阀驱动单元,用于传送四个段的自动减压系统启动信号。