F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04D—NON-POSITIVE-DISPLACEMENT PUMPS
F04D9/00—Priming; Preventing vapour lock
F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type
F04D9/065—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type the driving fluid being a gas or vapour, e.g. exhaust of a combustion engine
Vanne pour circuit d'alimentation en air d'un moteur de vehicule automobile, circuit comportant une telle vanne et procede de commande d'un moteur utilisant un tel circuit