B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
B08B9/027—Cleaning the internal surfaces; Removal of blockages
B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
Systeme automatique de retour a l'etat initial de la chambre d'air des dispositifs de decharge hydropneumatiques pour reservoir de water-closet.