Rotary spray device

Fluid sprinkling – spraying – and diffusing – Distributor continuously moves relative to support during... – Spray fluid motor drive means

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Details

239264, 91323, 91344, B05B 316, B05B 302

Patent

active

046519254

ABSTRACT:
A spray device having a plurality of rotating nozzles directing sprays of a high pressure fluid in a circular pattern against an object being cleaned. The nozzles are mounted on the ends of supply pipes extending radially outwardly from a hub connected to a hollow crankshaft. The crankshaft is connected to a source of high pressure fluid through a supply conduit which is connected to the crankshaft by a rotary union. The rod of a double action piston is connected to the crankshaft and rotates the crankshaft and nozzles upon linear reciprocating movement of the piston rod. The piston cylinder is pivotally mounted on a valve block which has a pair of ball check valves which are actuated by a rocker bar mounted on the cylinder. A small quantity of the high pressure fluid is directed into the valve block from a manifold and is injected alternatively into the ports of the cylinder upon pivotal movement of the cylinder to reciprocate the rod and rotate the crankshaft and connected spray nozzles. The small quantity of diverted high pressure fluid supplies all of the power required to rotate the nozzles eliminating the need for any external power source and without materially detracting from the supply of fluid to the nozzles.

REFERENCES:
patent: 853774 (1907-05-01), Davies
patent: 1051601 (1913-01-01), Laursen
patent: 1111734 (1914-09-01), Campbell
patent: 1317540 (1919-09-01), Bavor
patent: 1755455 (1930-04-01), Nelson
patent: 2477237 (1949-07-01), Carr
patent: 2837148 (1958-06-01), Jay
patent: 3625425 (1971-12-01), Robinson
patent: 3779132 (1973-12-01), Otto

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