Fluid sprinkling – spraying – and diffusing – Distributor continuously moves relative to support during... – Spray fluid motor drive means
Patent
1988-11-21
1990-01-23
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Distributor continuously moves relative to support during...
Spray fluid motor drive means
91224, 92136, B05B 316
Patent
active
048953059
ABSTRACT:
A sprinkler, connected to a water supply conduit, oscillates by the force of a piston moving in a cylinder and powered by water bleed in a bypass line from the water supply to the cylinder. The piston is connected to a rack which is engaged with a pinion that is attached to a sprinkler nozzle so that water is sprayed from the nozzle in an oscillating spray responsive to the reciprocation of the piston in the cylinder. A first compression spring is operative to return the piston to a home position after a power stroke. The piston has a discharge passageway covered by a valve piece on the pressure side of the piston. The valve piece is supported by a stem slidably disposed in a bore in the piston. A head is fitted to the opposite end of the stem and a tripper compression spring is aligned with the head so that as the piston expands the head compresses the tripper spring until the force of the tripper spring overcomes the water pressure holding the valve piece closed. Then the valve opens and water is discharged through the discharge passageway and the first compression spring returns the piston to the home position. An end of the head is wedged in a flared portion of the bore to hold the valve open until the piston reaches its home position whereupon the valve strikes the end wall of the cylinder and is brought back to position closing the discharge passageway. The tripper compression spring is supported on the end of a threaded rod and the arc of oscillation of the sprinkler is precisely adjusted in length by rotary adjustment of that threaded rod.
REFERENCES:
patent: 1941269 (1933-12-01), Phillips
patent: 2295880 (1942-09-01), Valois et al.
patent: 2691547 (1954-10-01), Campbell
patent: 4457210 (1984-07-01), Pauliukonis
patent: 4509686 (1985-04-01), Larsen
patent: 4527465 (1985-07-01), Yoshida et al.
Bowen Duane C.
Kashnikow Andres
Trainor Christopher G.
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