US PATENT SUBCLASS 239 / 89
.~ Accumulator plunger biased to discharge fluid

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

88  DF  UNITARY INJECTION NOZZLE AND PUMP OR ACCUMULATOR PLUNGER {4}
89.~ Accumulator plunger biased to discharge fluid

DEFINITION

Classification: 239/89

(under subclass 88) Apparatus in which the expansible chamber is normally urged towards collapsed position to force fluid through the nozzle.

(1) Note. The chamber is usually charged with a supply of fluid during a period when the injection valve is closed.