US Patent Issued to Ulvac Cryogenics on Oct. 27 for "Oil separator for compressor and compressor for cryogenic refrigerator" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,837, issued on Oct. 27, was assigned to Ulvac Cryogenics Inc. (Chigasaki, Japan).

"Oil separator for compressor and compressor for cryogenic refrigerator" was invented by Akira Hiratsuka (Chigasaki, Japan), Kohei Yoshino (Chigasaki, Japan), Masayuki Furukawa (Chigasaki, Japan) and Toshio Harayama (Chigasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor oil separator installed in a cryogenic refrigerator compressor includes a first tube that extends in a vertical direction. The first tube includes a first communication portion that connects an inside of the first tube to an outside of the first tube. The compressor oil separator ...