| 摘要 |
A seal apparatus (50) provides the seal between inner and outer elements. The seal apparatus (50) has a flexible sealing element (52) for forming a seal with a first of the inner and outer elements. At least one support element (56,58) is secured to the sealing element (52). The seal further includes means (64) for magnetically interacting with the first element (24) to bias the seal (50) relative to the first element (24).
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