Impact sprinkler unit
AssigneeVirtual Rain, Inc.
InventorsDon Michael Kearby, Giles A. Kendall, Joseph U. Han, Derick C. Wright
Life of this patent
Estimating the term…
Abstract
A sprinkler device for distributing water comprising a body, a nozzle, a nozzle housing rotatably and slidably mounted in the body, a fluid flow interrupter for intermittently redirecting the stream of fluid exiting from the nozzle, an interrupter drive, a flow control assembly including a free floating valve for controlling water flow to the sprinkler head, reversing mechanism for reversing the direction of movement of the nozzle housing, and a nozzle positioning system for controlling sprinkler rotation speed.
Claims17
A sprinkler device for fluid distribution comprising,
- a body including a body inlet portion for receiving the fluid and a body outlet portion,
- a sprinkler head movably connected to said body and including a sprinkler head inlet portion for receiving the fluid,
- a nozzle for directing the flow of fluid out the sprinkler head, said nozzle having a nozzle outlet with a nozzle inlet positioned upstream of said nozzle outlet,
- an interrupter cavity upstream of said nozzle outlet, and
- drive means for driving said sprinkler head relative to said body, wherein said drive means includes a filter means adjacent to said body inlet portion, a check valve between said filter means and said body inlet portion, and an internal valve defined by said filter means and said sprinkler head inlet portion, wherein said filter means moves relative to said sprinkler head inlet portion.
A sprinkler device comprising,
- an impact sprinkler which resides in a closed case,
- a body including a body inlet portion for receiving the fluid and a body outlet portion,
- a sprinkler head movably connected to said body and including a sprinkler head inlet portion for receiving the fluid,
- a nozzle for directing the flow of fluid out the sprier head, said nozzle having a nozzle outlet with a nozzle inlet positioned upstream of said nozzle outlet,
- a fulcrum pin located at a rearward portion of said sprinkler head, wherein said fulcrum pin is located offset from the center line of said sprinkler head,
- a filter means movably mounted adjacent to said body inlet portion,
- a check valve between said filter means and said body inlet portion, and
- an internal valve defined by said filter means and said sprinkler head inlet portion for controlling water flow through said body, wherein said filter means moves relative to said sprinkler head inlet portion.
Dependencies are inferred from the claim text.