ENGINE FOR FLUID POWER RECOVERY Russian patent published in 2013 - IPC F03B3/04 F03B17/06 

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises carcass 1 and case 2 immersed in fluid, outer seat 3 rigidly coupled therewith, at least, three impellers 6, 7, 8 fitted on common lengthwise shaft 4, primary and secondary power takeoff shafts 9, 10 engaged via gears 12. Impellers 6, 7, 8 run in synchronism. Lengthwise shaft 4 turns in bearings 5 fitted in aforesaid carcass. Second impeller 7 fitted on shaft 4 via extra bearing engages with secondary power takeoff shaft 10 via chain gearing. Adjacent impellers are articulated to run in synchronous opposition.

EFFECT: higher engine output.

2 cl, 4 dwg