Relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.):
(under subclass 300) Process of dynamic sealing including at least one of a pair of opposing surface members relatively rotating at the joint or juncture that defines a sealing face and wherein the joint or juncture is at an angle to a rotational axis formed between the relatively movable parts.
(1) Note. In a hydrodynamic relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.) a distance between a sealing member and a part or another sealing member will change when the rotational speed between relatively movable parts goes from normal operation to slower or non-rotational speeds whereas in a close proximity seal (e.g., contactless, fluent, etc.) the distance is not dependent upon rotational speed.
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358+, for a relatively rotatable radially extending sealing face member (e.g., face, mechanical, etc.).