Power Harvesting Systems for Use with In-water Instrumentation

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-09-C-0478
Agency Tracking Number: N092-107-0671
Amount: $79,477.00
Phase: Phase I
Program: SBIR
Awards Year: 2009
Solicitation Year: 2009
Solicitation Topic Code: N092-107
Solicitation Number: 2009.2
Small Business Information
9500 Innovation Drive, Manassas, VA, 20110
DUNS: 945837219
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 John Thornton
 Principal Investigator
 (858) 653-0177
Business Contact
 Christine Sigety
Title: Manager of Business Suppo
Phone: (703) 368-6107
Email: csigety@progeny.net
Research Institution
Energy harnessing technology must be tuned to the environment that they harness. The ocean harnesses energy created by the sun storing most of it in the surface in the form of heat, light, and kinetic energy. The deeper in the ocean you travel, your options become reduced. Near the ocean floor there is essentially only one viable source still present besides biological energy. It is kinetic energy in the form of a small slow moving current that changes direction. Typically, the current will be 0.25 m/s. Turbines are unrealistic due to bio-growth and the small amount of power available. A solution presents itself in the form of vibrations created by vortex shedding. On the freeway in older model vehicles, an antenna will start to move side to side and back and forth violently at certain speeds. This is when a long cylinder reaches its intrinsic resonant frequency. Take this antenna, and instead of suppressing this effect, we maximize it, tune it, and mount it onto a circular rigid base plate sandwiching numerous, specially designed piezoelectric vibration harnessing generators. You now have a system that can capture slow moving current energy from any direction, for the use of sea floor transducers.

* Information listed above is at the time of submission. *

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