F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16N—LUBRICATING
F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
F16N7/30—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the oil being fed or carried along by another fluid
Dispositif pour le retablissement du contenu d'air de reservoirs d'air destines a regulariser la distribution d'eau sous pression comportant l'utilisation de pompes a marche intermittente
Systeme automatique de retour a l'etat initial de la chambre d'air des dispositifs de decharge hydropneumatiques pour reservoir de water-closet.