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Key Features

• Unique radial position sensors measure seal clearance during operation
  • Verifiable reliability, a critical capability for operational instruments
• Multiple stages produce temperatures as low as 20 Kelvin, with large cooling capacity
• Faraday shield provides immuniity to EMI

Ball Stirling Cooler Engineering Model

Larger Images

• Engineering Model 320 x 200 Image
• Engineering Model 640 x 400 Image

Ball Stirling Cooler Prototype

These photos show the Ball Prototype Cooler set up for testing in Goddard's 6-axis force dynamometer.

Larger Images

• Prototype 250 x 320 Image

• Prototype 500 x 640 Image

Return links:

• GSFC Coolers Page
• Cooler Types (large, miniature, and vibration free.)
• Cryogenics & Fluids Home Page
  People to contact for more information on specific topics.

Curator: Brent Warner NASA Official: Susan R. Breon Last Updated: September 15, 2004