ALEXANDRIA, Va., June 9 -- United States Patent no. 12,650,249, issued on June 9, was assigned to Boston Cryogenics LLC (Billerica, Mass.).
"Hybrid regenerator for cryocooler" was invented by Chao Wang (Boxborough, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A low temperature regenerator for a cryocooler includes a hybrid regenerative portion having regenerative materials of helium gas ("regenerative helium") combined with rare earth materials. Helium is also used as the refrigerant in the cryocooler ("working helium"). Regenerative helium is contained in one or more regenerative networks of connected hollow regenerative channels or hollow tube(s). The one or more regenerative networks have at least...