PROBLEM TO BE SOLVED: To provide a hydraulic system of an aircraft actuator, that can drive the actuator even when the function of an airframe side hydraulic power source is lost or deteriorated, can prevent lowering of airframe efficiency, can inhibit heat generation as the whole system and can reduce the size and weight of the system configuration.SOLUTION: A backup hydraulic pump 17 supplies pressure oil to an actuator 11a when the function of an airframe side hydraulic power source 104 is lost or deteriorated. A control valve 15a controls supply and discharge of the pressure oil to the actuator 11a to control operation of the actuator 11a. The control valve 15a has a body part 27 provided with pressure oil ports, a spool part 28 slidingly moving in the body part 27 to switch a path of the pressure oil, and a drive part 29. The drive part 29 is connected to an end of the spool part 28 and drives the spool part 28 with electromagnetic force to control the position of the spool part 28 on the basis of an electric signal.SELECTED DRAWING: Figure 2

    【課題】機体側油圧源の機能の喪失時又は低下時でもアクチュエータを駆動でき、機体効率の低下を防止でき、システム全体としての発熱を抑制でき、システム構成の小型化及び軽量化を図ることができる、航空機アクチュエータの油圧システムを提供する。【解決手段】バックアップ用油圧ポンプ17は、機体側油圧源104の機能の喪失又は低下が発生したときにアクチュエータ11aに対して圧油を供給する。制御弁15aは、アクチュエータ11aに対する圧油の給排を制御してアクチュエータ11aの作動を制御する。制御弁15aは、圧油ポートが設けられた本体部27、本体部27内でスライド移動して圧油の経路切り替えるスプール部28、駆動部29を有する。駆動部29は、スプール部28の端部に連結され、電気信号に基づいてスプール部28の位置を制御するようにスプール部28を電磁力によって駆動する。【選択図】図2


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    Title :

    HYDRAULIC SYSTEM OF AIRCRAFT ACTUATOR


    Additional title:

    航空機アクチュエータの油圧システム


    Contributors:

    Publication date :

    2016-10-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B64C AEROPLANES , Flugzeuge



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