MEMS Flow Controller for Cryocoolers

Award Information
Agency:
Department of Defense
Branch
Missile Defense Agency
Amount:
$750,000.00
Award Year:
2004
Program:
SBIR
Phase:
Phase II
Contract:
FA9453-04-C-0020
Award Id:
59123
Agency Tracking Number:
022-0108
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
5445 Conestoga Court #2A, Boulder, CO, 80301
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
933677452
Principal Investigator:
Steve Nieczkoski
Senior Engineer
(303) 443-2262
snieczk@techapps.com
Business Contact:
Fred Fusilier
Business Manager
(303) 443-2262
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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