| 摘要 |
<p>An automatic water supply device for animals or plants, which uses a siphon tube for transferring a batch of water from a vessel having a float-valve type water inlet control device to a tray, the water transferring operation of the siphon tube being triggered by the water head applied to the siphon's outlet end by the water received in the tray being reduced by a predetermined amount due to reduction of water level in the tray, wherein the inlet tube portion of the siphon tube located in the internal space of the vessel has a diverged open end having an opening area which is substantially larger than that of the outlet tube portion of the siphon tube.</p> |
