US PATENT SUBCLASS 432 / 215
.~ Mass is solid fluent heat carrier (e.g., pebbles, etc.)

Current as of: June, 1999
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432 /   HD   HEATING

214  DF  HEAT GENERATING MEANS HEATS HEAT STORAGE MASS OF SOLID MATERIAL {3}
215.~ Mass is solid fluent heat carrier (e.g., pebbles, etc.)

DEFINITION

Classification: 432/215

(under subclass 214) Apparatus in which the heat storage mass is a quantity of fluent solid particles within a flow structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

27, for a process of heating including the flowing or

circulating of a particulate heat carrier mass.