ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,818, issued on June 24, was assigned to TRANE INTERNATIONAL INC. (Davidson, N.C.).
"Scroll compressor with intermediate injection" was invented by Derrick Lepak (Onalaska, Wis.) and Scott J. Smerud (La Crosse, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A scroll compressor includes a compressor housing containing an orbiting scroll member, a non-orbiting scroll member, a pair of bands disposed between the non-orbiting scroll member and the compressor housing, a suction chamber, a discharge chamber, and an intermediate injection chamber defined by the pair of bands. The non-orbiting scroll member includes an intermediate injection port fluidl...