A lubrication system (200) is disclosed. The lubrication system (200) may have a collection area (300) for collecting lubricating media (120) and a pumping system (400) for transporting the lubricating media (120) from a withdrawal location of the collection area (300) to a distribution location (440) of the collection area (300). The lubricating media (120) may collect in the collection area (300) to a static level (380) when the pumping system (400) is off and to a dynamic level (370) when the pumping system (400) is on. The lubrication system (200) may also include a drain valve (500, 520, 550, 580) located between the static level (380) and the dynamic level (370). The drain valve (500, 520, 550, 580) may operable to open to drain a portion of the lubricating media (120) in response to the lubricating media (120) reaching a predefined threshold temperature and level. The valve (500, 520, 550, 580) may comprise a thermally-activated material (560), and the material (560) may substantially change phase or volume upon reaching a predetermined temperature.


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    Title :

    Lubrication system with passive drain valve


    Additional title:

    Schmiersystem mit passivem Entleerungsventil
    Système de lubrification avec soupape de drainage passif


    Contributors:

    Publication date :

    2019-01-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16H Getriebe , GEARING / B64C AEROPLANES , Flugzeuge



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