60 / | HD | POWER PLANTS |
|
325 | DF | PRESSURE FLUID SOURCE AND MOTOR {47} |
533 | DF | .~ Pulsator {25} |
537 | | .~.~ Programmed, self-cycled or self-pulsed {7} |
538 | DF | .~.~.~> Including electrical control or actuation |
539 | DF | .~.~.~> Cam drive of plural masters |
540 | DF | .~.~.~> Including timer or time delay means the cycle |
541 | DF | .~.~.~> Having means terminating cycle at parking or holding position |
542 | DF | .~.~.~> Pneumatic device having pulse air bleed or supply means |
543 | DF | .~.~.~> Self-operated pulse fluid purge or quantity adjustment structure |
544 | DF | .~.~.~> Continuously acting self-pulsing master with manually settable slave release or output control valve |