Importance

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Abstract

A chamber cleaning apparatus and method includes a conduit for conducting fluid into the chamber; a nozzle assembly, connected to the conduit, for creating one of an axial fluid spray to clean the interior surfaces of the first and second end walls of the chamber and a transverse fluid spray to clean the interior surfaces of the side walls of the chamber; a rotational drive assembly for rotating the nozzle means about a rotational axis generally parallel or coaxial with the longitudinal axis of the chamber; an axial drive assembly for moving the nozzle means a preselected distance toward or away from the first end wall of the chamber for each rotation of the nozzle assembly; a transverse drive assembly for moving the nozzle assembly a preselected transverse distance toward or away from the rotational axis for each rotation of the nozzle assembly. A swivel is provided having an outer sleeve body and an inner sleeve body with the inner sleeve body coaxially and rotatably positionable in the outer sleeve body. Two outer passageways extend through the outer sleeve body and two inner passageways extend through the inner sleeve body. Two circumferential channels are provided in the inside surface of the outer sleeve body. One outer passageway and one inner passageway is in continuous fluid communication with each circumferencial channel. A four-point beam support for supporting the cleaning apparatus is also provided.

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First Claim