Free Piston Stirling Cooler (FPHC) est REFRIGERATIO ratio fundatur super Strired exolvuntur, uti liberum Pistons pro crankshaft. Hoc consilio reduces friction et crescit efficientiam et reliability. Key components includit in displacer et potestate piston, calor deicit, et linearibus motricium. Et ratio comprimit et expandit a operantes Gas (ut Helium) transferre calor, muneris efficiently et environmentally amica sine traditional refrigerandorum. FPSCs sunt in applications requiring pacto, reliable refrigerationem, ut medicinae refrigerators et portable coolers.