Bird Machine Company

Edward S Taylor

A centrifuge includes a power exchange rotor of efficient design which is provided with at least one channel member for guiding the flow of material therethrough from a first end exposed to a source of the material, which is a feed source in a rotor used as a feed accelerator and is material discharging from the bowl treating zone in a rotor used in power recovery. The channel is so formed as to change the direction of flow of the material at least about 90 degrees as it flows therein to a discharge outlet at the other end and is spaced from the rotor axis less than the maximum radius of the bowl in the area of the treating zone. The rotor is mounted for rotation at a rate such that the tangential velocity of the channel ends is substantially less than that of the bowl treating zone. Combined with the rotor is a means for directing transfer of the material between one of the channel ends and the annular pool in the bowl treating zone, approximately tangentially to the surface of the annular pool, while maintaining the kinetic energy of the material substantially unchanged. The rotor used as a feed accelerator is connected to a source of power for rotating it which may include a rotor used for power recovery. The rotor used for power recovery is connected to a means for deriving power from energy imparted to the rotor by the material, which means may be the centrifuge motor shaft or the bowl or other component driven thereby or an electric generator.

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Lincoln, MA, United States of America

Edward S Taylor