US PATENT SUBCLASS 239 / 132.3
.~.~.~ Cooling of terminal element

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

128  DF  WITH HEATING OR COOLING MEANS FOR THE SYSTEM OR SYSTEM FLUID {5}
132  DF  .~ In terminal element (e.g., injection nozzle cooling) {1}
132.1  DF  .~.~ Heat exchange fluid {1}
132.3.~.~.~ Cooling of terminal element {1}
132.5  DF  .~.~.~.~> Coolant is spray fluid or is added to spray fluid

DEFINITION

Classification: 239/132.3

(under subclass 132.1) Apparatus in which the fluid lowers the temperature of the element.

(1) Note. Except for the broad subclass 128, this and the indented subclass are the only subclasses in this group which take cooling, which must at least affect the temperature of the terminal spray element, if not that of the fluid passing therethrough.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127.1+, for cooling a reaction motor discharge nozzle by passing a cooling fluid into a jacketed or hollow portion of the nozzle.