| 摘要 |
A valve shaft seal includes a reinforcing ring having a cylindrical section extending over a certain axial length and possessing an outer diameter, a sealing element disposed on the reinforcing ring, and a valve spring supported on a radially extending end section of the reinforcing ring. To support the valve spring on the radially extending end section of the reinforcing ring, the radially extending end section extends radially farther inward in the direction of the axis of the valve shaft seal than the outer diameter of the cylindrical section of the reinforcing ring.
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