INDEPENDENT AUTOMATIC IRRIGATION APPARATUS Russian patent published in 2004 - IPC

FIELD: agricultural engineering, in particular, irrigated agriculture. SUBSTANCE: apparatus has balancing unit and locking device composed of case, plunger connected to pressure sensitive member, and seat. Case is further provided with water inlet and outlet pipes. Balancing unit may be made in the form of spiral spring or bellows unit. Water inlet pipe has seat. Slack membrane may be used as pressure sensitive member. Apparatus may be used for independent automatic irrigation of small areas, such as gardens, vineyards and individual plants. EFFECT: increased efficiency and simplified construction. 3 dwg