Sprinkler

Details Sprinkler Sprinkler

1980-08-19

1984-04-03

Marbert, James B.

Fluid sprinkling, spraying, and diffusing

Slinger or splasher; or deflector rotated relative to effluent

With addition of other fluid downstream of distributor

23921413, B05B 302

Patent

active

044403453

ABSTRACT:
A sprinkler for irrigating large areas comprises a stationary bearing member (1) for the spray pipe (12) and also comprises a separate braking device (3). The braking device (3) comprises radial extensions (13), which are non-rotatably connected to the spray pipe (12). The desired braking is effected in that a free rotation of said radial extensions (13) is prevented by a high-viscosity fluid in the braking device (3). The radial extensions (13) which are non-rotatably connected to the spray pipe (12) may interdigitate with radial extensions (10) which are non-rotatably connected to the stationary housing (2) of the braking device (3). As a result, the high-viscosity fluid will be subjected to shear stress between adjacent radial extensions (10, 13), which are non-rotatably connected in alternation to the spray pipe (12) and the housing (2). To improve the braking action, interdigitating axial extensions may be connected to the radial extensions.

REFERENCES:
patent: 2473945 (1949-06-01), Gibson
patent: 2539778 (1951-01-01), Grimmeisen

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