B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
299/8
B05B 3/02 (2006.01) B05B 3/04 (2006.01)
Patent
CA 1168679
ROTARY SPRINKLER ABSTRACT OF THE DISCLOSURE There is provided a pressure-regulated, rotating percussion sprinkler. The sprinkler comprises a two-part housing, a pressure-regulating, elastically stretchable diaphragm dividing the interior of the two-part housing into a substnatially peripheral inlet chamber, and a central outlet chamber. The inlet chamber is provided with an inlet connector. The underside of the diaphragm is accessible to the pressure prevailing in the inlet chamber. There is also provided at least one substantially tangentially oriented passageway connecting the peripheral inlet chamber and the central outlet chamber, and an inverted cup-like rotor. The rotor comprises a hollow shaft rotatably mounted in a first part of the two-part housing, and a tubular projection substantially aligned with the hollow shaft and extending inside the rotor. The cup-like rotor has a substantially annular peripheral wall, the inner surface of which is provided with at least one discontinuity constituted by a sudden and transient change of curvature and, in operation, serves as a race for at least one spherical mass freely movable in the space delimited by the diaphragm and by the inside of the cup-like rotor. The bore of the hollow shaft terminates on the outside of the two- part housing in at least one relatively narrow nozzle-like opening producing a sprinkling jet. A flow of water introduced through the inlet connector enters the central outlet via the tangentially oriented passageways producing a vortex flow and exits the outlet chamber via the hollow shaft and the nozzle-like opening. The vortex flow entrains the spherical mass imparting to it an orbital movement upon and along the race, whereby, upon encountering, prior to being carried by its angular momentum over, the transient discontinuity, the spherical mass imparts an impulse- like, limited angular motion to the rotor, and, thereby, to the sprinkling jet.
392637
Bron Dan
Fetherstonhaugh & Co.
LandOfFree
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