165 / | HD | HEAT EXCHANGE |
DIG 135 | DD | MOVABLE HEAT EXCHANGER {4} |
DIG 139 | DD | .~ Fully rotatable {5} |
DIG 140 | .~.~ Rotating heat exchanger having rotating flow confining structures or chambers for two separate heat exchange fluids {2} | |
DIG 141 | DD | .~.~.~> Concentric flow confining structures or chambers {1} |
DIG 143 | DD | .~.~.~> Discrete tubing having length extending along a longitudinal axis of rotating heat exchanger {1} |