US PATENT SUBCLASS 239 / 533.11
.~.~.~ With antifriction, guide or seal means for flow regulator*

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

533.1  DF  FLUID PRESSURE RESPONSIVE DISCHARGE MODIFIER* OR FLOW REGULATOR* {3}
533.2  DF  .~ Fuel injector or burner {1}
533.3  DF  .~.~ Having flow regulator* for reciprocating piston engine {7}
533.11.~.~.~ With antifriction, guide or seal means for flow regulator*

DEFINITION

Classification: 239/533.11

(under subclass 533.3) Device having means associated with the flow regulator for (1) maintaining it in its proper radial position relative to the walls of the chamber in which it moves, (2) reducing sliding resistance between the regulator and the walls of the chamber in which it moves, or (3) preventing fuel from communicating between the interior and the exterior of the injector.