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    • 8. 发明授权
    • Internally cooled roller body construction
    • 内部冷却辊体结构
    • US4351386A
    • 1982-09-28
    • US160231
    • 1980-06-17
    • Ingo Kobler
    • Ingo Kobler
    • F25C1/14B22D11/06B22D11/128C21D1/00F28D11/02F28F5/02
    • F28D11/02Y10S165/148
    • To provide for axial guidance of cooling fluid, typically water, through a double-jacketed cooling roller which has an outer jacket (5) rotatably positioned over an inner stationary displacement body (6), in which the inner displacement body is smaller than the inner surface of the outer jacket to define a space (19) for flow of cooling fluid therethrough, the inner surface of the outer rotating jacket (5) is formed with spirally extending surface deformations (16), such as grooves or ridges or ribs or vanes, to transport water being centrifugally pressed against the inner walls of the rotating jacket (5) in axial direction. The axial end of the chamber (19) preferably is formed by an enlarged radially extending chamber (21) in which guide vanes (22) are located to return water flow to a hollow central shaft (9) for removal of cooling fluid axially therethrough. The hollow shaft (9) preferably acts as a central stationary shaft about which the outer jacket (5) rotates, so that rotary seals for water supply and removal can be eliminated.
    • 为了提供冷却流体(通常为水)的轴向引导,通过双夹套冷却辊,其具有可旋转地定位在内部静止位移体(6)上的外护套(5),其中内部位移体小于内部 外壳的表面以限定用于冷却流体流过的空间(19),外旋转护套(5)的内表面形成有螺旋形延伸的表面变形(16),例如凹槽或脊或肋或叶片 运送沿轴向离心地压靠在旋转夹套(5)的内壁上的水。 腔室(19)的轴向端部优选地由扩大的径向延伸的腔室(21)形成,其中导向叶片(22)位于其中,以将水流返回到中空中心轴(9),用于轴向流过其中的冷却流体。 中空轴(9)优选地用作中心固定轴,外护套(5)围绕其旋转,从而可以消除用于供水和移除的旋转密封件。