| 摘要 |
A self-watering apparatus ( 1 ) comprising: (i) a filling tube ( 2 ) with an opening ( 3 ) at high level, said tube ( 2 ) being in fluid communication with a delivery tube ( 5 ) located at low level; (ii) a main water holding reservoir ( 4 ) adapted, in use, to receive water from said delivery tube ( 5 ), said reservoir ( 4 ) being in fluid communication with a second delivery tube ( 11 ); (iii) at least one storage chamber ( 10 ) a having a discharge orifice ( 13 ), said storage chamber ( 10 ) being adapted, in use, to receive water from the main water holding reservoir ( 4 ) by means of a second delivery tube ( 11 ) which optionally may have a capillary plug; (iv) optionally, one or more further storage chambers ( 16 ) having further discharge orifices ( 14 ) at least one of the further storage chambers ( 16 ) being in fluid communication with said chamber ( 10 ) and a pressure relieving tube ( 20 ), and (v) an outlet tube ( 18 ) with an opening ( 19 ) at high-level within said reservoir ( 4 ) through which air can be drawn into the apparatus under the control of a moisture-sensitive valve ( 17 ). |
