| 摘要 |
<p>A washing machine comprises a valve (15) for distributing the flow of a liquid circulated by a pump (8) having its outlet connected to an inlet of said valve, the latter being provided with a closure element (18) and a first and a second outlet (16, 17) connected respectively to a first and a second conduit (14, 13).</p><p>The first conduit (14) extends upwards to a level above that of the first conduit. The closure element (18) is normally constrained by the action of gravity to assume a stable position adjacent the first outlet (16) so as to obturate it during a first actuatoon phase of the pump (8). A bypass conduit (20) connects the outlet (10) of the pump to the first outlet (16) of the valve. When the pump (8) is deenergized the closure element (18) assumes an instable position adjacent the second outlet (17), and when the pump is again actuated after an interval which is longer or shorter than a predetermined period of time, the closure element (18) is caused to respectively obturate the first or second outlet (16, 17) of the valve (15). This enables the rotary spray arms (11, 12) of a dish-washing machine for instance to be selectively activated.</p> |
