초록 ▼

A sprinkler, the intrinsic motions of which are powered by the flow of fluid therethrough emanating from an external source of fluid under pressure. Means contained within the sprinkler cause the expulsion of fluid under pressure, first from one tangentially mounted nozzle, and next through an oppos

A sprinkler, the intrinsic motions of which are powered by the flow of fluid therethrough emanating from an external source of fluid under pressure. Means contained within the sprinkler cause the expulsion of fluid under pressure, first from one tangentially mounted nozzle, and next through an opposed but commonly aligned tangentially mounted nozzle. The torque generated by the alternating expulsion effects the rotation of the sprinkler first in one angular direction, and then in an opposite angular direction. Buffing means is provided to limit the speed of angular rotation.

대표청구항 ▼

An irrigation device comprising, a non-rotating member having a central liquid-receiving bore for connection to an external source of liquid under pressure, a non-rotating hollow housing fixedly secured to said connecting member, a rotating head having at least two opposed, commonly aligned liquid d

An irrigation device comprising, a non-rotating member having a central liquid-receiving bore for connection to an external source of liquid under pressure, a non-rotating hollow housing fixedly secured to said connecting member, a rotating head having at least two opposed, commonly aligned liquid discharge nozzles rotatably attached to said hollow housing, said hollow housing defining a first liquid-receiving interior chamber, ball housing means disposed in said first interior chamber for defining a second or innermost interior chamber, said ball housing means attached to said rotating head so that rotation of said head effects concomitant rotation of said housing means, said ball housing means having a pair of opposed outlets in fluid communication with said discharge nozzles, said ball housing means having a bistable inlet that provides fluid-communication between said first interior chamber and said second or innermost interior chamber, said ball housing means accomodating a free-floating ball plug adapted to seat and seal said outlets on a reciprocating basis as urged by hydraulic forces appearing in said innermost chamber, said inlet in a first stable state when disposed at one end of said innermost housing and in a second stable state when disposed at an opposed end of said innermost housing, means for causing said bistable inlet to change from one stable state to the other stable state when an irrigation sweep has been completed.