US PATENT SUBCLASS 236 / 24.5
.~ Flow and pressure controlled

Current as of: June, 1999
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236 /   HD   AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION

20 R  DF  CLOSED FLUID HEATERS {8}
24.5.~ Flow and pressure controlled

DEFINITION

Classification: 236/24.5

(under subclass 20) Devices in which the combined dynamic and static pressure of the fluid heated controls the heating means, and those in which this combined force is opposed by one of its elements alone or by a different combination of them.