PLANT WATERING APPARATUS Russian patent published in 1997 - IPC

FIELD: agriculture, in particular, watering of house plants. SUBSTANCE: apparatus has nutritive liquid reservoir 1 with dropping tube 3 and dose accumulator 12 with discharge pipe. Air chamber 2 mounted in reservoir 1 has bottom defined by portion of reservoir 1. Air chamber 2 is communicated with reservoir 1 through opening 4 made in lower part of air chamber side wall. Air chamber 2 has pipe 5 provided with device for controlled intaking of atmospheric air. Control device is formed as air valve with sealing layer 8 and screw 9. Liquid dose accumulator 12 has container with flexible bellows-type tube 13 whose one end is brought away from container to define discharge tube and other end is positioned adjacent to container bottom. Upper part of bellows-type tube 13 is spring-loaded by ring 15 positioned for reciprocating in vertical plane to change position of upper part of tube 13. Construction of apparatus allows one or several house plants to be watered with predetermined doses of widely ranged nutritive liquids through certain time intervals. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 3 cl, 1 dwg