US PATENT SUBCLASS 251 / 309
.~ Plug

Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

304  DF  ROTARY VALVES {5}
309.~ Plug {2}
310  DF  .~.~> Axial and radial bore {1}
312  DF  .~.~> Retainer at actuator end

DEFINITION

Classification: 251/309

(under subclass 304) Subject matter wherein the valve rotates about its own axis, has a flow passage through it and at least the inlet or outlet of that passage is transverse to the axis of rotation and is formed in a seat contacting portion.