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    • 1. 发明授权
    • Fail safe control device
    • 故障安全控制装置
    • US5266779A
    • 1993-11-30
    • US2921
    • 1993-01-11
    • John J. TheissPaul T. Durst
    • John J. TheissPaul T. Durst
    • F23N5/06G05D23/275H05B1/02
    • F23N5/065G05D23/27537
    • A fail safe temperature control device which consists of a nonelastic container or bulb adapted to be subjected to temperature changes, a capillary tube and a pressure responsive device. The container generally is located in the area in which the heat is to be controlled, typically an oven or other heated area. The capillary tube is connected to the container at a first end and to the pressure responsive device at a second end. The nonelastic container, capillary tube and pressure responsive device form a closed system which is filled with a thermally responsive material. The pressure responsive device operates a control device, typically consisting of a normally closed contact and a normally open contact.
    • 一种故障安全温度控制装置,其由适于经受温度变化的非弹性容器或灯泡,毛细管和压力响应装置组成。 容器通常位于要控制热量的区域中,通常是烘箱或其他加热区域。 毛细管在第一端连接到容器,在第二端连接到压力响应装置。 非弹性容器,毛细管和压力响应装置形成填充有热响应材料的封闭系统。 压力响应装置操作通常由常闭触点和常开触点组成的控制装置。