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    • 1. 发明公开
    • Device for indicating a decrease in the flow of coolant within an engine
    • 装置,用于指示在内燃机中的冷却剂的流量减小
    • EP0787894A1
    • 1997-08-06
    • EP97830019.2
    • 1997-01-28
    • Belgarda S.p.A.
    • Giannarelli, MaurizioMarchetti, Giampiero
    • F01P5/14
    • G01F1/24F01P5/14
    • A device suitable to detect and indicate a decrease in the flow of coolant which circulates within an engine consists of a body (1) wherein a vertical cavity (2) is formed, whose bottom is in communication with the cooling circuit through an inflow duct (3) and an outflow duct (4), a float (5) being free to move in the cavity (2). The decrease in the flow of coolant incoming through the duct (3) causes an immediate lowering of the float (5) and therefore the activation of a sensor (10) which promptly indicates the problem by turning on an optical and/or acoustical signal. Preferably, the float (5) is provided at its lower end with a permanent magnet (9), and the sensor (10) is a magnetic reed switch placed in the body (1) beneath the cavity (2).
    • 合适的装置以检测和指示在冷却剂中的主体的发动机besteht内中循环流动的降低(1)worin垂直腔(2)被形成,其底部是与所述冷却回路的通信通过在流入管道( 3)和流出管(4),即游离的浮子(5),以在空腔移动(2)。 在冷却剂通过所述管道进入的流动的减少(3)导致立即降低浮子(5),因此一个传感器(10)通过导通的光学和/或声学信号的哪及时指示麻烦的激活。 优选地,浮体(5)被设置在其下端具有一个永久磁铁(9)和所述传感器(10)是在主体(1)的空腔(2)的下方放置一磁簧开关。