Sunpower: British Patents

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

British Patents

Patent Number	Title	Issue Date

1,208,288	DC Centering of Free Piston Machine	26-Oct-05
0,885,415	Triac Control Circuit	02-May-03
0,754,364	Fluid Bearing with Compliant Linkage for Centering Reciprocating Bodies	03-Apr-02
2,330,651	Refrigeration Circuit Having Series Evaporators nd Modulatable Compressor	21-Feb-01
0,655,120	Free Piston Stirling Machine Having Variable Spring between Displacer and Piston for Power Control and Stroke Limiting	10-Jan-01
0,878,014	Magnet support Sleeve for Linear electromechanical Transducer	27-Dec-00
0,783,618	Centering System with One Way Valve for Free Piston Machine	20-Sep-00
2,334,307	Centering System for Free Piston Machine	03-Jun-00
0,693,160	Method and Apparatus for Measuring Piston Position in a Free Piston Compressor	16-Apr-98
218,682	Electromechanical Transducer Particularly Suitable for a Linear Alterantor Driven by a Free Piston Stirling Engine	03-Apr-91

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