.~ Circulating fluid in heat exchange relationship
DEFINITION
Classification: 137/340
(under subclass 334) Apparatus in which a heating or cooling medium circulates in a channel which is in heat exchange relationship with the fluent material device or part thereof.
(1) Note. This subclass includes only devices in which the heating or cooling medium is maintained separate from the fluent material normally operated on by the device. There is no mixing of the medium and the fluent material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
375, for jacketed flow devices in which the jacket may contain heating or cooling means or fluid, but in which there is no means for causing or directing circulation within the jacket.
SEE OR SEARCH CLASS
165, Heat Exchange, appropriate subclasses for fluid handling means as an adjunct to heat exchange means.
