Cleaning and liquid contact with solids – Apparatus – Automatic controls
Patent
1988-09-01
1992-10-13
Stinson, Frankie L.
Cleaning and liquid contact with solids
Apparatus
Automatic controls
134167C, 134172, 91 54, B08B 302
Patent
active
051541980
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 assembly 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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Corken International Corporation Bulletin VH100B.
Corken Pump Company Service Manual, p. H102E.
Corken International Corporation Important Instructions IH102A.
Duzan James R.
Halliburton Company
Kennedy Neal R.
Stinson Frankie L.
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