(under the class definition) Apparatus including means for imparting movement to parts of a body of exchange material within a heat exchange structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
84, for means flexing, jarring or vibrating a heat exchange surface.
85, for an agitator or impeller having a motor operated by exchange fluid.
87, for a hollow, heating or cooling screw type impeller.
88, for a rotor with separate chambers for two exchanging fluent materials; e.g., cooled tumbling drum.
92, for a heat exchanger having stirrer or scraper with an internal passage for a heating or cooling fluid.
94, for a heat exchanger with a scraper removing product from a heat exchange surface. SEE OR SEARCH CLASS
62, Refrigeration,
342+, for refrigerating means producing a congealed or modified product with means for working the congealed or modified product, and subclass 392 for a refrigerated liquid dispenser with an agitator for the withdrawable liquid.
