Sprinkle with velocity control disc

Details Sprinkle with velocity control disc Sprinkle with velocity control disc

1998-02-26

1999-07-27

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

239206, 239570, 1375145, 13751627, B05B 1510, B05B 300

Patent

active

059276070

ABSTRACT:
A pop up sprinkler unit includes a housing having an inlet including a passage for connecting to a source of fluid such as water or air, a pressure responsive inlet valve assembly including a valve seat surrounding the inlet, a valve member having annular sealing normally biased into engagement with the seat, and a velocity control disc mounted on the valve member and extending into the passage at the inlet, the velocity control disc metering initial inlet fluid for controlling the rate of opening of the valve for controlling flow of fluid through the valve to a nozzle and extension of a riser to an extended position.

REFERENCES:
patent: 2909325 (1959-10-01), Hunter
patent: 3029834 (1962-04-01), Vanden-hoek
patent: 4874066 (1989-10-01), Silberstein
patent: 5638860 (1997-06-01), DeRoche
patent: 5735768 (1998-04-01), Clark

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