Sprinkler

Details Sprinkler Sprinkler

1991-05-13

1992-05-26

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With selectively preset flow cutoff or initiating means

By rate of flow or volume means

239104, 239242, A01G 2700, B05B 316

Patent

active

051159775

ABSTRACT:
A gear driven rotary sprinkler comprising a base defining a liquid inlet, a sprinkler head which is rotatable about a rotation axis fixed in the base, liquid driven gear apparatus for driving the sprinkler head in rotation about the rotation axis, clutch apparatus for selectably decoupling the sprinkler head from the gear apparatus upon forced rotation of the sprinkler head, apparatus for limiting the speed of rotation of the sprinkler head under high pressure and/or high volume conditions, apparatus for selectably limiting the azimuth of rotation including an over-center spring mechanism, and a liquid flow pathway from the liquid inlet to the sprinkler head including suctioning apertures operative to draw sediment from the liquid driven gear apparatus by venturi action and to flush it from the sprinkler.

REFERENCES:
patent: 2726119 (1955-12-01), Egly et al.
patent: 3033467 (1962-05-01), Hofer
patent: 3038666 (1962-06-01), Dudley et al.
patent: 3921912 (1975-01-01), Hayes
patent: 4201344 (1980-05-01), Lichte
patent: 4335852 (1982-06-01), Chow
patent: 4624412 (1986-11-01), Hunter
patent: 4625914 (1986-12-01), Sexton et al.
patent: 4722670 (1988-02-01), Zweifel
patent: 4773595 (1988-09-01), Livne

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