| 165 / | HD | HEAT EXCHANGE |
|
| DIG 355 | DD | HAVING SEPARATE FLOW PASSAGE FOR TWO DISTINCT FLUIDS {7} |
| DIG 356 | DD | .~ Plural plates forming a stack providing flow passages therein {11} |
| DIG 364 |  | .~.~ With fluid traversing passages formed through the plate {4} |
| DIG 365 | DD | .~.~.~> Including peripheral seal element forming flow channel bounded by seal and heat exchange plates {3} |
| DIG 370 | DD | .~.~.~> Unitary heat exchange plate and projecting edge |
| DIG 371 | DD | .~.~.~> Including mating flanges around fluid traversing passage |
| DIG 372 | DD | .~.~.~> Adjacent heat exchange plates having joined bent edge flanges for forming flow channels therebetween |