(under subclass 229) Device wherein the means prevents or retards the flow of fluid between the shaft* or shaft covering and the fixed element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
168.2+, for a device having means for handling working fluid* leakage through a seal between a runner* or shaft and a static part.
SEE OR SEARCH CLASS
277, Seal for a Joint or Juncture, for a generic sealing means or process (e.g., seal between a runner* and another relatively movable part, seal between the two relatively moving members, does not recite enough details of the rotary kinetic device, etc.),
345+, for a seal between relatively movable parts (i.e., a dynamic seal).
