Hydronautics, Incorporated

Other

T R Sundaram

Virgil E Johnson, Jr

Andrew F Conn

Jack M Benson

An apparatus of an elongated polygon-shaped vessel having a longitudinal axis, and an internal volume, wherein the elongated vessel is rotatably mounted about its longitudinal axis, and wherein optionally, the internal volume is divided into a plurality of transverse chambers having a polygonal cross-section shape, and can optionally be further divided into a plurality of longitudinal sections, an inlet for receiving material, and an outlet for removing material, is useful, for example, as a composter for municipal solid waste (MSW), source separated organic waste, yard waste, sewage sludge, and of organic hazardous waste, as a wet mill to reduce the sizes, mix, and screen materials, such as MSW, source separated organic waste, yard waste, sewage sludge, and organic hazardous waste, and as a rotating vessel, such as a cement kiln or ball mill.

Polygon-shaped rotatable apparatus and its use in composting and cement

A drill bit and a method for deep-hole drilling in which the drill bit has mechanical cutting means located on its lower cutting face for cutting a solid surface upon rotation of the bit and a plurality of cavitating liquid jet nozzles spaced around the face of the bit to assist in the drilling action, the nozzles being located so as to discharge a plurality of downwardly directed and concentric liquid jets that cavitate to fracture the surface to be drilled in a series of non-overlapping slots as the bit is rotated.

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Columbia, MD, United States of America

T R Sundaram