| 摘要 |
A shaft sealing assembly seals a rotary shaft of a refrigerant compressor with a first sealing member, which is a lip seal. The first sealing member has a hollow portion. As the pressure in the interior space of the compressor housing increases, an outer wall surrounding the hollow portion is elastically deformed. Accordingly, a lip portion of the first sealing member receives a tension that weakens a force pressing the lip portion against the rotary shaft. Therefore, the sealing assembly improves the durability of the lip portion and maintains a satisfactory property of the lip portion to follow displacement of the rotary shaft at the same time.
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