US Patent Issued to ZHEJIANG UNIVERSITY on Dec. 23 for "Hydrogen or helium throttling liquefaction system using direct current flow from the cold and hot ends of the regenerative cryocoolers" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,225, issued on Dec. 23, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China).

"Hydrogen or helium throttling liquefaction system using direct current flow from the cold and hot ends of the regenerative cryocoolers" was invented by Xiaoqin Zhi (Hangzhou, China), Limin Qiu (Hangzhou, China), Tao Wei (Hangzhou, China), Xin Chen (Hangzhou, China), Kai Wang (Hangzhou, China) and Shiran Bao (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a hydrogen or helium throttling liquefaction system using direct current (DC) flow from the cold and hot ends of the regenerative cryocoolers, which belongs to the technica...