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    • 12. 发明授权
    • Rolling-contact bearing equipped with a sealing device for the passage
of fluid
    • 配备有用于流体通过的密封装置的滚动接触轴承
    • US5642946A
    • 1997-07-01
    • US546264
    • 1995-10-20
    • Claude CaillaultChristophe Houdayer
    • Claude CaillaultChristophe Houdayer
    • F16C33/78B60C23/00F16C19/18F16C33/66F16C33/76F16L27/087
    • F16C41/005B60C23/003F16C19/184F16C33/76
    • Rolling-contact bearing equipped with a sealing device for the passage of a fluid. The bearing comprises a rotating race and a non-rotating race, through each one of which there pass channels (6,7) for the passage of fluid, rolling bodies (3) between the rotating race and non-rotating race, and a sealing device (8) mounted between the rotating race and non-rotating race to form a sealed intermediate chamber (14) communicating with the channels (6,7) for the passage of the fluid. The intermediate chamber has two flexible walls (11), the free end parts of which form two sealing lips (12) in rubbing contact with a bearing surface (13) of one of the races (2) of the bearing. The sealing device (8) comprises two coaxial seals made of a flexible material and held against each other by means of a metal reinforcing member (10), each of the seals comprising a ring of axial teeth (16) separated from one another by circumferential gaps. The dimensions of the teeth and of the gaps separating them are such that when the two seals of the device are held against each other, the teeth of one of the seals of the device penetrate between the teeth of the other seal of the device forming radial channels (23) for the flow of fluid through the device.
    • 配备有用于流体通过的密封装置的滚动接触轴承。 轴承包括旋转座圈和非旋转座圈,每个座圈通过通道(6,7)以使流体通过,滚动体(3)位于旋转座圈和非旋转座圈之间,密封件 装置(8)安装在旋转座圈和非旋转座圈之间以形成与通道(6,7)连通以用于流体通过的密封中间室(14)。 中间室具有两个柔性壁(11),其自由端部形成两个密封唇(12),与轴承的一个座圈(2)的支承表面(13)摩擦接触。 密封装置(8)包括由柔性材料制成并由金属加强构件(10)彼此夹持的两个同轴密封件,每个密封件包括通过圆周方向彼此分开的轴向齿(16)环, 差距 齿的尺寸和分离它们的间隙使得当装置的两个密封件彼此抵靠时,装置的一个密封件的齿穿透形成径向的装置的另一密封件的齿之间 通道(23)用于流过装置的流体。