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Seal esp. for piston/piston rods and cylinders has curved sealing surface moving across changing surface during relative rotation of components
Seal esp. for piston/piston rods and cylinders has curved sealing surface moving across changing surface during relative rotation of components
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机译:密封特别是用于活塞/活塞杆和汽缸的弯曲密封表面在零件相对旋转时在变化的表面上移动
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摘要
The seal has a curved sealing surface (20) acting between two surfaces, e.g. piston jacket (12) and cylindrical inner surface (32) of a piston guide (30). During relative turning movement of the surfaces about a pivot axis (16), the sealing surface moves across a surface, which changes parallel to the pivot axis. The curve of the sealing surface may be closed, have the shape of a periodic function, or a sinus function. One of the surfaces to be sealed has a groove to accommodate a sealing element (18), e.g. esp. plastic sealing ring.
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