| 416 / | HD | FLUID REACTION SURFACES (I.E., IMPELLERS) |
| 147 | DF | HAVING POSITIVE MEANS FOR IMPELLER ADJUSTMENT {6} |
| 159 | DF | .~ Power or manual actuator on non-rotatable part {5} |
| 164 | DF | .~.~ Reciprocating sleeve or collar on or rod in impeller shaft {4} |
| 168 R | DF | .~.~.~ Link connection to working member {1} |
| 168 A | ![]() | .~.~.~.~ Turbo-machine |