Sunpower: New Zealand Patents

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

New Zealand Patents

Patent Number	Title	Issue Date

541,313	Controller for Reducing Excessive Amplitude of Oscillation of Free Piston	10-Mar-04
517,329	Gas Bearing and Method of Making a Gas Bearing for a Free Piston Machine	30-Aug-02
302,849	Triac Control Circuit	16-Jan-99
319,499	Magnet Support Sleeve for Lnear Electromechanical Transducer	01-Oct-98
282,959	Fluid Bearing With Compliant Linkage for Centering Reciprocating Bodies	05-May-98
263,331	Method and Apparatus for Measuring Piston Position in a Free Piston Compressor	09-Oct-96

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