| 165 / | HD | HEAT EXCHANGE |
|
| DIG 163 |  | INCLUDING A MEANS TO FORM FLUID FILM ON HEAT TRANSFER SURFACE (E.G., TRICKLE) {8} |
| DIG 164 | DD | .~> Film flow constrained to spiral path |
| DIG 165 | DD | .~> Film formed on spirally coiled member |
| DIG 166 | DD | .~> Vertically spaced pipe sections contact liquid in underlying troughs |
| DIG 167 | DD | .~> Liquid film flows sequentially along upper surfaces of vertically spaced trays (i.e. shelf-to-shelf) |
| DIG 168 | DD | .~> Film formed on interior surface of container or pipe {1} |
| DIG 171 | DD | .~> Including means at top end of vertical pipe to distribute liquid film on pipe exterior |
| DIG 172 | DD | .~> Film flows along exterior of plural pipe sections {3} |
| DIG 177 | DD | .~> Film flows along upper surface of tray {4} |