Importance

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Abstract

Force is applied to aeration units from only one side of a basin. Part of such force is transferred from one end of a beam of the aeration unit to the other end of the beam to move both ends of the beam. The beam supports the pipes of the aeration unit. A force transfer module includes one force transfer strand held in a force transfer path between fixed opposite ends of the strand. The force transfer path extends in part along the beam, which is placed in compression. Motion of the one end of the beam resulting from the force is transferred by the single force transfer strand to the opposite end of the beam so that both ends of the beam move relative to the basin under the action of the force. When the aeration unit uses a many-sided frame to support aeration pipes, many modules are used to transfer the force along the pipes to move the entire frame at one time. A method provides a force transfer strand with first and second opposite ends and a length substantially constant under tension. The strand is placed in the force transfer path. The beam is moved by applying force to the one end of the beam. As the one end of the beam moves, the strand transfers some of the force to the opposite end, and places the beam in compression, to move the other end.

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First Claim