US Patent Issued to EBARA on Sept. 30 for "Purge apparatus and purge method" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,058, issued on Sept. 30, was assigned to EBARA Corp. (Tokyo).

"Purge apparatus and purge method" was invented by Shuichiro Honda (Tokyo), Tetsuji Kasatani (Tokyo), Hayato Ikeda (Tokyo), Mitsutaka Iwami (Tokyo), Kei Wataji (Tokyo) and Hyuga Kikuchi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A purge apparatus is provided. The purge apparatus is capable of preventing air from being entrained when a submersible pump is moved into a pump column, and capable of warming the submersible pump when the submersible pump is removed from the pump column to thereby prevent component of the air from being liquefied, thus preventing the liquefied gas fr...