415 / | HD | ROTARY KINETIC FLUID MOTORS OR PUMPS |
60 | DF | PLURAL RUNNERS SUPPORTED FOR RELATIVE MOTION OR ON SEPARATE SHAFTS {5} |
66 | DF | .~ Serially spaced in working fluid flow path {2} |
68 | DF | .~.~ Coaxial runners {1} |
69 | .~.~.~ One runner support surrounds another |