US Patent Issued to DAIKIN INDUSTRIES on June 23 for "Centrifugal compressor with liquid injection" (Minnesota Inventor)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,023, issued on June 23, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Centrifugal compressor with liquid injection" was invented by Ryan Huthmacher (Plymouth, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A two stage chiller includes first and second stage centrifugal compressors, at least one motor, a return channel flow path, and a plurality of injection ports. The first and second stage centrifugal compressors include first and second impellers, and first and second diffusers downstream from the first and second impellers. The at least one motor rotates the first impeller and the second impeller. The return channel flow path conn...