유체로 전환 기구에서의 손실을 저감할 수 있고, 견뢰성을 향상시킬 수 있는 동력 장치를 제공한다. 제1 부재(33d)에 대하여 제2 부재(33e)가 제1 위치에 있을 때에, 유체압 공급원(14)과 연통하는 제1 연통구(pp)와, 유체압 모터(13)의 제1 및 제2 압력실(13b, 13c)에 각각 연통하는 제2 및 제3 연통구(pm1, pm2)가 연통 상태가 되고, 제2 및 제3 연통구(pm1, pm2)와, 저류부(31)에 접속된 제4 연통구(pr)가 차단 상태가 되고, 제2 부재가 제2 위치에 있을 때에, 제1 및 제2 연통구의 사이가 연통 상태가 되고, 제1 및 제3 연통구의 사이가 차단 상태가 되고, 제2 및 제4 연통구의 사이가 차단 상태가 되고, 제3 및 제4 연통구의 사이가 연통 상태가 되고, 제2 부재가 제3 위치에 있을 때에, 제1 및 제2 연통구의 사이가 차단 상태, 제1 및 제3 연통구의 사이가 연통 상태가 되고, 제2 및 제4 연통구의 사이가 연통 상태가 되고, 제3 및 제4 연통구의 사이가 차단 상태가 되고, 제1∼제4 연통구는, 이들을 1조로 하는 복수 조의 연통구군으로 구성되어 있다.

    A power plant capable of reducing loss in a fluid passage switching mechanism and enhancing robustness of the power plant. When a second member 33e is in a first position with respect to a first member 33d, a first communication port pp communicating with a fluid pressure supply source 14 and second and third communication ports pm1 and pm2 communicating with first and second pressure chambers 13b and 13c of a fluid pressure motor 13, respectively, communicate, and the second and third communication ports pm1 and pm2 are shut off from a fourth communication port pr connected to a reservoir 31. When the second member is in a second position, the first and second communication ports communicate, the first and third communication ports are shut off from each other, the second and fourth communication ports are shut off from each other, and the third and fourth communication ports communicate. When the second member is in a third position, the first and second communication ports are shut off from each other, the first and third communication ports communicate, the second and fourth communication ports communicate, and the third and fourth communication ports are shut off from each other. The first to fourth communication ports are provided in a plurality of communication port groups each formed by the first to fourth communication ports.


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    Titel :

    POWER DEVICE


    Weitere Titelangaben:

    동력 장치


    Beteiligte:

    Erscheinungsdatum :

    2017-02-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16H Getriebe , GEARING



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