165 / | HD | HEAT EXCHANGE |
DIG 355 | DD | HAVING SEPARATE FLOW PASSAGE FOR TWO DISTINCT FLUIDS {7} |
DIG 442 | DD | .~ Conduits {5} |
DIG 443 | .~.~ Adjacent conduits with transverse air passages (e.g., radiator core type, etc.) {3} | |
DIG 444 | DD | .~.~.~> Including transversely stacked fin sheets |
DIG 445 | DD | .~.~.~> Including transverse corrugated fin sheets |
DIG 446 | DD | .~.~.~> Including intermediate sheet between adjacent tubes forming air fin passages {1} |