US Patent Issued to Carrier Japan on May 13 for "Compressor with chromium nitride and titanium nitride layers" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,832, issued on May 13, was assigned to Carrier Japan Corp. (Tokyo).

"Compressor with chromium nitride and titanium nitride layers" was invented by Norihisa Watanabe (Fuji, Japan) and Shohei Atobe (Fuji, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor of an embodiment includes a compression mechanism part that compresses a refrigerant in a sealed container. The compression mechanism part includes Cr and includes a first member and a second member which slidingly move relative to each other. The first member has a chromium layer and a nitride layer formed on a base member surface in this order. The nitride layer includes CrN and TiN....