US PATENT SUBCLASS 236 / 12.17
.~.~ Valving member moves about an axis

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

12.1  DF  MIXING FLUID OF DISSIMILAR TEMPERATURE {6}
12.16  DF  .~ Having oscillating or reciprocating valve {4}
12.17.~.~ Valving member moves about an axis {2}
12.18  DF  .~.~.~> Tubular valve member
12.19  DF  .~.~.~> Axially spaced flow control faces

DEFINITION

Classification: 236/12.17

Valving member moves about an axis:

(under subclass 12.16) Apparatus wherein the flow control means comprises a flow control portion movable in an arcuate path of travel.