B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
299/9
B05B 3/04 (2006.01) B05B 3/00 (2006.01)
Patent
CA 1258280
ROTARY SPRINKLER HEAD ABSTRACT OF THE DISCLOSURE A rotary sprinkler head comprising a sprinkler body devoid of any operative dynamic seals for communicating a source of water under pressure with an outlet for directing water under pressure communicated therewith into an atmospheric condition in a primary stream having a generally vertically extending axis. A rotary distributor is provided which has surfaces for engaging the primary stream (1) to establish a reactionary force component acting on the distributor in a direction tangential to the rotational axis thereof so as to effect rotational movement thereof about its axis of rotation and (2) to direct the primary stream engaged thereby in the form of a pattern forming stream or streams including at least one stream moving away from the distributor in a direction having a substantial component extending outwardly from the generally vertical axis of the primary stream so as to define the radius of the circular spray pattern. A speed reducing assembly is operatively associated with the distributor for reducing the rotational speed of the distributor resulting from the reactionary force component from a relatively high whirling speed which would occur without the speed reducing assembly to a relatively slow speed so related to the distributor surfaces forming the pattern forming stream or streams as to permit (1) the one stream to leave the distributor surfaces with sufficient stream integrity to flow outwardly a distance substantially as great as the same one stream would flow if the distributor were held stationary and (2) all of the pattern forming stream means including the one stream to be distributed within a generally circular pattern with a desired droplet size and with a desired water distribution within the generally circular pattern.
518319
Meyer Larry P.
Nelson Barton R.
Sesser George L.
Moffat & Co.
Nelson Irrigation Corporation
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