Sunpower's unique technology enables previously unforeseen products and betters existing products.

 

 

Sunpower's free-piston Stirling engines are external combustion machines that can use a wide variety of fuels.  These engines are exceptionally quiet, long-lived, and maintenance-free.  They have high electrical efficiency over a range of power outputs, and can be designed for power outputs from a few watts to many kilowatts. Some existing and potential products are: 

 

Sunpower's CryoTelŽ family of cryocoolers are unmatched in performance and compactness.  They require no maintenance, and their cooling capacity can be varied over a wide range. Some current and potential products and applications include:

• Telecommunications superconducting filters
• Benchtop gas liquefiers
• Benchtop cryopreservation refrigerators
• Pharmaceutical mixers
• Nuclear material detectors
• In-home oxygen liquefiers
• Satellite instrument coolers
• Cryosurgery

Linear Compressors

• Household refrigerators
• Supermarket display cases
• Cryosurgery systems
• Oxygen concentrators