US PATENT SUBCLASS 416 / 96 R
.~ Changing state mass within or fluid flow through working member or carrier

Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

95  DF  WITH HEATING, COOLING OR THERMAL INSULATION MEANS {1}
96 R.~ Changing state mass within or fluid flow through working member or carrier {2}
97 R  DF  .~.~> Flow exhausted to working fluid {1}
96 A  DF  .~.~> Blade inserts

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 416/96

(under subclass 95) Apparatus comprising a working member* or carrier* having (1) a chamber therein containing a material which is capable of changing its physical state from or to a solid, liquid, or gas, thereby transferring heat between itself and the working member or carrier or (2) passage means therein through which a heat exchange fluid is caused to flow.