F - Mech Eng,Light,Heat,Weapons – 28 – G
Patent
F - Mech Eng,Light,Heat,Weapons
28
G
122/1
F28G 1/16 (2006.01)
Patent
CA 1309906
ABSTRACT OF THE DISCLOSURE A lance assembly designed to clean sludge from the portion of the OTSG tube bundle which is inaccessible from the open tube lane. A track assembled between the OTSG outer shell and circular shroud around the tube bundle substantially opposite the open tube lane has a motorized carriage driven on the track which directs high pressure fluid through a plurality of nozzles toward the tube bundle through windows in the circular shroud. The nozzles are attached to a nozzle block which is capable of being moved vertically on the carriage to vary the flow impact area on the tube bundle.
569860
Klahn Francis C.
Schafer Bruce W.
Werner Charles E.
B&w Nuclear Service Company
Ridout & Maybee Llp
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