A propulsion or pumping device which includes two counter-rotating shafts (3, 4) each carrying at least one impeller (7, 8), wherein each impeller (7, 8) can deflect by a predetermined amount in directions substantially perpendicular t to the longitudinal axis of the shaft (3, 4) on which the impeller (7, 8) is mounted.
IMPROVED JET PUMPING DEVICE
VERBESSERTE STRAHLPUMPVORRICHTUNG
EJECTEUR AMELIORE
2015-10-21
Patent
Elektronische Ressource
Englisch
Control device for pumping vehicle, pumping vehicle, and control method for pumping vehicle
Europäisches Patentamt | 2023
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