Sunpower: Swedish Patents

The world leader in free-piston Stirling engines and coolers
and in linear compressors

Swedish Patents

Patent Number	Title	Issue Date

1,208,288	DC Centering of Free Piston Machine	26-Oct-05
0,655,120	Free Piston Stirling Machine Having Variable Spring between Displacer and Piston for Power Control and Stroke Limiting	10-Jan-01
0,693,160	Method and Apparatus for Measuring Piston Position in a Free Piston Compressor	16-Apr-98
0,218,682	Electromechanical Trannsducer Particularly Suitable for a Linear Alternator Driven by a Free Piston Stirling Engine	03-Apr-91

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