US PATENT SUBCLASS 415 / 111
.~ For shaft sealing, packing, lubricating or bearing means

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

110  DF  WITH LUBRICATING, SEALING, PACKING OR BEARING MEANS HAVING INTERNAL WORKING FLUID CONNECTION (E.G., FLUID OR FLUID BIASED SEAL, ETC.) {1}
111.~ For shaft sealing, packing, lubricating or bearing means {2}
112  DF  .~.~> With inlet and outlet connections
113  DF  .~.~> Fluid biased, movable or resilient portion

DEFINITION

Classification: 415/111

(under subclass 110) Apparatus in which the assembly is positioned between the runner* support member (shaft*) and a relatively fixed member.

(1) Note. Excluded under this definition is a conduit merely returning fluid which has leaked past a seal, bearing or packing to the working fluid*; such devices will be found in subclasses 168.1+ and 169.1+.