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ELECTROMECHANICAL POWER SUPPLIES

Award Information
Agency: Department of Defense
Branch: Defense Advanced Research Projects Agency
Contract: N/A
Agency Tracking Number: 12594
Amount: $49,998.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1990
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
400 Hester St
San Leandro, CA 94577
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Bruce W Maxfield
 (415) 568-7720
Business Contact
Phone: () -
Research Institution
N/A
Abstract

THIS PROPOSAL OUTLINES SEVERAL POSSIBLE APPROACHES TO THE DEVELOPMENT OF ELECTRICAL POWER SUPPLIES THAT DERIVE THEIR PRIMARY ENERGY FROM STORAGE MECHANICAL ENERGY. IN GENERAL, IT IS ENVISIONED THAT THESE MECHANICAL ENERGY STORAGE SYSTEMS (SPRINGS AND GAS RESERVOIRS) WILL BE CHARGED USING EITHER HUMAN-OPERATED "PUMPS" OR INCIDENTAL MECHANICAL ENERGY THAT MAY BE AVAILABLE ABUNDANTLY BUT IN A "LOW-QUALITY" FORM. IT IS ARGUED THAT AT LEAST FOUR APPROACHES SHOULD BE ABLE TO MEET THE 4 WATT/T MINUTE POWER/ENERGY REQUIREMENT FOR A WIND-UP BATTERY AND AT LEAST ONE OF THESE APPROACHES WILL PERMIT ONE OR MORE ORDERS OF MAGNITUDE INCREASE IN THE AVAILABLE ELECTRICAL ENERGY. IN ORDER TO ADD ADDITIONAL CREDIBILITY TO THESE PROJECTIONS, RESULTS OF MEASUREMENTS ON TWO SYSTEMS ARE PRESENTED. ONE USES A LOW PRESSURE RADIAL OUTFLOW AIR TURBINE TO DRIVE A HIGH SPEED IRONLESS DC GENERATOR AND THE OTHER USES A HIGH PRESSURE AIR TURBINE TO DRIVE AN AXIAL GAP, 3 PHASE AC GENERATOR. IT IS ALSO ARGUED THAT A RESONANT PIEZOELECTRIC GENERATOR SHOULD BE ABLE TO MEET THE NECESSARY POWER/ENERGY REQUIREMENTS.

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

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