| 摘要 |
<p>A device (1) insertable onto a feeding mouth (15) of a tank (7) and consisting of a hollow body (20) divided into three compartments (21,22,23) connected to one another by means of a base portion (24) of the body arranged in use downwards and from which the three compartments transversally and overhangingly extend upwards, wherein a first and a second compartments (21,22) are arranged adjacent and are provided, at the free ends thereof, the first with a hydraulic connection (26) to a rinsing water feeding pipe (12), and the second to a vent (27), and are both hydraulically connected by means of the base portion to a tube (30) for the connection to the feeding mouth, which tube is integrally obtained with the body and internally provided with a transverse wall (31) vertically oriented in use and which extends into the base portion to create two parallel and separate connecting pipes (32, 33) between the tank and the first (21) and second (22) compartments; a siphon bottleneck (36) in the base portion connects the third compartment (23) to the second one (22) and a pressure inlet (38) is carried by the free end of the third compartment.</p> |
