F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F03B—MACHINES OR ENGINES FOR LIQUIDS
F03B17/00—Other machines or engines
F03B17/005—Installations wherein the liquid circulates in a closed loop ; Alleged perpetua mobilia of this or similar kind
Dispositif d'entrainement d'un arbre rotatif au moyen d'un moteur a combustion interne, par exemple pour un engin volant leger ou ultra-leger