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    • 1. 发明公开
    • Coolant line hydrometer
    • 水分计füdieFlüssigkeiteinesKühlkreises。
    • EP0273074A1
    • 1988-07-06
    • EP86310218.2
    • 1986-12-30
    • Glennon, Barry J.Smith, Robert G.
    • Barber,Michael DKipp,William G
    • G01N9/14
    • G01N9/14
    • A hydrometer unit permanently connected in an engine coolant line enables an immediate visual check on the adequacy of the anti-freeze constituent, such as ethylene glycol, in the system. The hydrometer includes a coolant receiving chamber having a transparent viewing window and a number of variously coloured float elements within the chamber provide an accurate indication of anti-freeze strength based on specific gravity. No manipulation of the hydrometer is required to enable a checking of the strength or weakness of the anti-freeze. In preferred embodiments means such as a vent valve or an internal venturi action vent tube serve to eliminate gas accumulation in the receiving chamber.
    • 永久连接在发动机冷却液管路中的液体比重计单元使得能立即目视检查系统中抗冻成分如乙二醇的适宜性。 液体比重计包括具有透明观察窗的冷却剂接收室,并且室内的多个各种各样的彩色浮子元件提供了基于比重的抗冻强度的精确指示。 不需要操纵比重计来检查防冻强度或弱点。 在优选实施例中,诸如排气阀或内部文丘里管作用通气管的装置用于消除接收室中的气体积聚。