The invention discloses a propeller speed limiter, which comprises a gear pump assembly, a lower casing assembly, an upper casing assembly and a pressure reducing valve assembly, wherein an oil return heat radiating device is arranged on an oil outlet oil path of the lower casing assembly, and comprises an oil return pipeline A, an oil return pipeline B and a filtering device, the filtering device consists of a filtering screen casing and a filtering screen, the oil return pipeline A and the oil return pipeline B are arranged in the lower casing assembly, the oil return pipeline A is connected with an oil inlet of the filtering device, and an oil outlet of the filtering device is connected with an oil return tank through the oil return pipeline B. The propeller speed limiter has the advantages that the occurrence of an overheating phenomenon of the speed limiter can be prevented, the use cost is reduced, the service life of the speed limiter is greatly prolonged, and the reliability of the speed limiter is greatly improved.


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    Title :

    Propeller speed limiter


    Contributors:
    WANG JINLI (author) / HAO LI (author) / ZHOU XINRONG (author) / TANG SIJIA (author)

    Publication date :

    2015-04-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16H Getriebe , GEARING / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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