US PATENT SUBCLASS 165 / DIG 39
.~.~.~ Synchronously rotated flow guiding hoods disposed on opposite sides of fixed regenerator


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165 /   HD   HEAT EXCHANGE

DIG 9  DD  HAVING A SOLID HEAT STORAGE MASS FOR ABSORBING HEAT FROM ONE FLUID AND RELEASING IT TO ANOTHER (I.E. REGENERATOR) {5}
DIG 37  DD  .~ Having flow diverting means (e.g. valve) to selectively control flow through storage mass {2}
DIG 38  DD  .~.~ Correlated control of plural diverting means {2}
DIG 39.~.~.~ Synchronously rotated flow guiding hoods disposed on opposite sides of fixed regenerator