Constant velocity turbine and stator assemblies

Details Constant velocity turbine and stator assemblies Constant velocity turbine and stator assemblies

2005-07-26

2005-07-26

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Motor or spray fluid operated continuously moving discharge...

C239S214230, C239S252000, C239S256000, C239S222150, C239S240000, C239S264000, C137S119070, C137S511000

Reexamination Certificate

active

06921030

ABSTRACT:
A rotary sprinkler system for both above-the ground and pop-up rotary sprinkler systems that controls the rate of nozzle rotation is disclosed. To maintain a relatively constant and controlled nozzle rotation, one or more chamfered spokes are included on the turbine of the sprinkler system. This turbine configuration together with a stator assembly that regulates fluid flow to the turbine control nozzle rotation despite variations in fluid flow. In particular, the chamfered spokes counteract the spin of the turbine in direct relation to the amount of water that bypasses the driving blades of the turbine.

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patent: 6539967 (2003-04-01), Tarr
patent: 2002/0162902 (2002-11-01), Kah

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