Rotary sprinklers

Fluid sprinkling – spraying – and diffusing – Slinger or splasher; or deflector rotated relative to effluent – Nozzle delivers fluid to deflector

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Details

239233, 239246, 239252, 239506, B05B 308

Patent

active

050075861

ABSTRACT:
A rotary sprinkler comprises a nozzle outputting a jet axially thereof; a rotor rotatably mounted with respect to the nozzle in alignment with the axial jet and having a surface formation impinged by the axial jet to deflect the jet laterally of the nozzle and to rotate the rotor; and a retarding device having a first surface rotatable with the rotor with respect to the nozzle, a second surface non-rotatable with respect to the nozzle, and a viscous liquid between the first and second surfaces; characterized in that the first surface of the retarding device is a cavity formed in a surface of the rotor opposite to that having the surface formation impinged by the axial jet, and that the second surface of the retarding device is carried by a pin non-rotatably mounted with respect to the nozzle and disposed within the cavity.

REFERENCES:
patent: 1322466 (1919-11-01), Partridge
patent: 1993011 (1935-03-01), Lindberg
patent: 2488234 (1949-11-01), Perry
patent: 4121769 (1978-10-01), Drori
patent: 4356972 (1982-11-01), Vikre
patent: 4440345 (1984-04-01), Figwer et al.
patent: 4498628 (1985-02-01), Tucker
patent: 4560108 (1985-12-01), Rubinstein
patent: 4583689 (1986-04-01), Rosenberg
patent: 4660766 (1987-04-01), Nelson et al.
patent: 4796811 (1989-01-01), Davisson

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