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    • 43. 发明公开
    • Working oil chamber sealing system of rotary vane steering gear actuator
    • FunktionierendesÖlkammerdichtungssystemvon Drehschieberlenkgetriebeaktuator
    • EP2937277A1
    • 2015-10-28
    • EP14169926.4
    • 2014-05-27
    • Japan Hamworthy & Co., Ltd
    • Tomita, YukioNamatame, ToshiroWakabayashi, Takayuki
    • B63H25/30
    • F04C15/0007B63H25/30F04C2/344F16J15/48
    • A top end face of a respective segment of a housing (11) holds a segment top face horizontal seal (51), a sealing face of which touches a rear face of a top cover (13) the top cover rear face holds an upper ring seal (53), a sealing face of which touches an outer circumferential edge of an upper end face of a rotor (12), and also touches a sealing face inner edge of the segment top face horizontal seal and a sealing face inner edge of an upper horizontal vane seal (12g) of a rotor vane (12d), respectively, at an outer circumferential edge portion of the upper ring seal the top cover rear face holds an upper outer ring seal (55), a sealing face of which touches an inner circumference of a housing top end face, and also touches a sealing face outer edge of the segment top face horizontal seal and a sealing face outer edge of the rotor upper horizontal vane seal, respectively, at an inner circumferential edge portion of the upper outer ring seal; and the respective sealing faces and sealing face edge portions of the abovementioned respective seals are pushed against the respective mate faces and mate edges by hydraulic pressure led from the working oil chambers (15A, 15B, 15C) that become high pressure side, and applied to the respective rear faces.
    • 壳体(11)的相应部分的顶端面保持段顶面水平密封件(51),其密封面接触顶盖(13)的后表面,顶盖后表面保持上环 密封件(53),其密封面接触转子(12)的上端面的外周边缘,并且还接触所述段顶面水平密封件的密封面内边缘和所述密封面内边缘 转子叶片(12d)的上部水平叶片密封件(12g)分别在上部环的外周边缘部分处密封顶盖后表面,保持上部外圈密封件(55),其密封面接触 壳体顶端面的内周面,也分别接触上部外侧的内周侧边缘部分的上表面水平密封件的密封面外缘和转子上部水平叶片密封件的密封面外缘 环形密封 并且上述各个密封件的各个密封面和密封面边缘部分通过从变成高压侧的工作油室(15A,15B,15C)引导的液压被推压到相应的配合面和配合边缘上,并施加到 各自的后面。