US PATENT SUBCLASS 432 / 180
.~.~.~ By regenerative-type heat exchanger

Current as of: June, 1999
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432 /   HD   HEATING

120  DF  WORK CHAMBER HAVING HEATING MEANS {12}
159  DF  .~ Combustion products heat work by contact {19}
179  DF  .~.~ Work chamber exhaust heats chamber feed {1}
180.~.~.~ By regenerative-type heat exchanger {1}
181  DF  .~.~.~.~> Spaced alternating or successive chamber exhausts feed plural regenerators {1}

DEFINITION

Classification: 432/180

(under subclass 179) Apparatus utilizing a heat storage mass that alternately receives heat from chamber exhaust gases and later discharges the stored heat to combustion feed material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

28, for a process of operating a furnace using a heat storage mass.

39, for the automatic control of the selection or load balancing of furnace exhaust heated regenerators.

54, for a controller alternating the flow of heated and heating fluid.

165, for plural work chambers serially connected for flow of combustion products and having a serially connected regenerator.

SEE OR SEARCH CLASS 165, Heat Exchange,

4+, for a regenerative type heat exchanger, per se.