MEMS Flow Controller for Cryocoolers

Award Information
Agency:
Department of Defense
Amount:
$750,000.00
Program:
SBIR
Contract:
FA9453-04-C-0020
Solitcitation Year:
2002
Solicitation Number:
2002.2
Branch:
Missile Defense Agency
Award Year:
2004
Phase:
Phase II
Agency Tracking Number:
022-0108
Solicitation Topic Code:
MDA02-031
Small Business Information
TECHNOLOGY APPLICATIONS, INC.
5445 Conestoga Court #2A, Boulder, CO, 80301
Hubzone Owned:
N
Woman Owned:
N
Socially and Economically Disadvantaged:
N
Duns:
933677452
Principal Investigator
 Steve Nieczkoski
 Senior Engineer
 (303) 443-2262
 snieczk@techapps.com
Business Contact
 Fred Fusilier
Title: Business Manager
Phone: (303) 443-2262
Email: ffusilier@techapps.com
Research Institution
N/A
Abstract
There is a strong interest in pulse tube cryocoolers for strategic and tactical applications. The pulse tube cryocooler derives its thermodynamic performance from a controlled movement of a gas volume within a tube resulting in extraction of heat from a definable cold interface. Performance of pulse tube cryocoolers is strongly dependent upon accurate control of the gas flow to achieve a matching of the moving gas volume with the tube volume and effective phasing of the gas volume motion relative to driving pressure waveforms. TAI will incorporate a MEMS-based valve array to accurately and remotely control the gas flow. A major benefit of this controllable micro-miniature flow manifold is dynamic flow management with minimal addition of parasitic void volume to provide enhanced cryocooler performance. The proposed approach to package multiple electrostatic flow control valves in a configuration that satisfies the cryocooler application requirements was developed in Phase I and study results revealed that significant gains in pulse tube cryocooler performance can be realized. In Phase II, a prototype flow control device will be fabricated and integrated with a dedicated pulse tube cryocooler test bed to demonstrate the proposed embodiment.

* information listed above is at the time of submission.

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