(under subclass 345) Dynamic seal wherein the sealing means is for an apparatus having a working chamber formed between relatively rotatable parts to aid in sealing to oppose the flow of fluid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
398, for a relatively rotatable, radially extending, sealing face member (e.g., face, mechanical, etc.) that accommodates or exhibits eccentric, gyratory, or oscillatory motion.
SEE OR SEARCH CLASS
418, Rotary Expansible Chamber Devices,
104+, for a working member having relative rotation to a surface of a working chamber to expand and contract the volume of the working chamber with a movable, expansible, adjustable, or deformable seal.
