Rotating stream sprinkler with turbine speed governor

Details Rotating stream sprinkler with turbine speed governor Rotating stream sprinkler with turbine speed governor

2005-09-13

2005-09-13

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

C239S201000, C239S203000, C239S206000, C239S237000, C239S240000, C239S580000

Reexamination Certificate

active

06942164

ABSTRACT:
A rotating stream sprinkler of the type having a rotatable deflector with spiral vanes engaged by one or more water jets for imparting a rotary drive torque to the deflector, which converts the jets into a plurality of relatively small outwardly projected water streams swept over the surrounding terrain to irrigate adjacent vegetation. The sprinkler includes a speed governor having a turbine driven orbiter with first and second gears meshed respectively with a stator gear and a driven gear having different numbers of gear teeth, wherein the driven gear is carried by the deflector for rotation therewith. The turbine rotatably drives the orbiter on an eccentric axis, to react against the stator gear and thereby rotatably drive the driven gear and deflector with a substantial speed reduction. The speed governor thus regulates deflector speed for slowly sweeping the projected water streams over the adjacent landscape.

REFERENCES:
patent: 3854664 (1974-12-01), Hunter
patent: 4131234 (1978-12-01), Pescetto

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