Fluid sprinkling – spraying – and diffusing – Distributor continuously moves relative to support during... – Spray fluid motor drive means
Patent
1992-01-17
1993-06-08
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Distributor continuously moves relative to support during...
Spray fluid motor drive means
239DIG13, 134167C, B05B 316
Patent
active
052171671
ABSTRACT:
A tube jetting apparatus for cleaning the interior surfaces of tubes such as those in heat exchangers. The jetting apparatus includes a hydraulically actuated lance and piston assembly in a housing. High pressure fluid is directed through ports in the lance and also directed across the piston to actuate the lance and piston assembly while providing high pressure fluid to a jetting nozzle on the lance. The speed of the lance and piston assmbly is controlled and jetting action occurs on both the outward and return strokes. On the return stroke, a pressure relief system is provided to relieve the system pressure through a differential pressure relief valve. A stroke limiter is provided which utilizes a collet for grippingly engaging the lance at a predetermined location thereon while minimizing damage to the surface of the lance.
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Duzan James R.
Halliburton Company
Kashnikow Andres
Kennedy Neal R.
Weldon Kevin P.
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