Expandable Boundary Layer Turbine
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United States of America Patent
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Issued Date -
Nov 19, 2015
app pub date -
May 16, 2014
filing date -
May 17, 2013
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Abandoned
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Abstract
A boundary layer turbine that uses flat disks that can be precision cut at low cost is more cost-effective to construct and maintain than conventional turbines. Bolt-on hub design significantly decreases breakage and distortion. Delta-wing shaped center spacers and flow enhancing, teardrop-shaped outer spacers further increase durability by providing improved support for the disks while minimizing the disturbance of the natural flow of fluids. Use of endplates with heavy outer rims results in turbines with greater gyroscopic effect and greater mass for kinetic energy storage. A disk-directed inlet valve and focused inlet nozzle system increases efficiency by directing flows to the individual disks valve in a low friction containment case. The directed flow tuned inlet nozzle system further increases efficiency. Coating the inner case of the turbine's enclosure with Teflon or similar materials reduces friction and further improves efficiency.
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