| 摘要 |
<p>The shaft sealing device is provided at a shaft passage, and has a housing unit (2) for separating a closed inner space (A) from an air space (B), where the air space is provided adjacent to the closed inner space in axial direction of a shaft (1). Shovel shaped conveying ribs (9) are arranged at a seal ring (3), and are projected into an annular gap (8).</p> |
