| 摘要 |
<p>1. A distributor for fluids under pression, especially for dental uses, comprising a housing (1) ; at least one liquid storage unit (12, 13, 14, 15), a compressed air source (60), an electro-valve (73, 74, 75, 76) being connected between the storage unit (12, 13, 14, 15) and the compressed air source (60) and being arranged to open or close the compressed air inlet into the storage unit (12, 13, 14, 15) ; and a delivery conduct (86, 87, 88, 89) dipping into the liquid of the storage unit and being connected to a quick-fitting liquid delivery post (36, 37, 38, 39) mounted on the housing, characterized by the fact that at least a second electro-valve (63, 64, 65, 69, 77, 91) is inserted between the compressed air source (60) and at least one quick-fitting compressed air delivery post (33, 34, 35, 40, 41, 42, 42a) said quick-fitting compressed air delivery posts (33, 34, 35, 40, 41, 42, 42a) being disposed on the housing (1) adjacent to the quick-fitting post (36, 37, 38, 39) connected to the delivery conduit (86, 87, 88, 89) of the storage unit (12, 13, 14, 15), each electro-valve (73, 74, 75, 76, 77) having two actuation electrodes (66, 67) and being opened by two simultaneous actions, a selection and a control one, on the electrodes (66, 67) by means of selection switches (32, 26, 27, 28, 29) and, respectively, control switches (10, Fig. 1).</p> |
