US PATENT SUBCLASS 165 / DIG 21
.~.~.~.~ Seal engaging a face of cylindrical heat storage mass


Current as of: June, 1999
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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 13  DD  .~ Movable heat storage mass with enclosure {3}
DIG 16  DD  .~.~ Rotary storage mass {6}
DIG 20  DD  .~.~.~ Seal and seal-engaging surface are relatively movable {3}
DIG 21.~.~.~.~ Seal engaging a face of cylindrical heat storage mass {2}
DIG 22  DD  .~.~.~.~.~> Seal defining sector-shaped flow area
DIG 23  DD  .~.~.~.~.~> Brush-type seal