US Patent Issued to Ingersoll-Rand Industrial U.S. on Feb. 17 for "Multi-stage compressor with single electric direct drive motor" (Belgian, Finnish, Italian Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,443, issued on Feb. 17, was assigned to Ingersoll-Rand Industrial U.S. Inc. (Davidson, N.C.).

"Multi-stage compressor with single electric direct drive motor" was invented by Cristiano Lissoni (Inzago, Italy), Juha Tuomas Saari (Espoo, Finland) and Jouko Tapani Peussa (Brussels).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor system includes an electric motor having a rotatable output shaft extending from either end thereof. The compressor system further includes multiple compression stages fluidly coupled to one another in series and mechanically connected to the output shaft. The first compressor stage includes two split impellers with ...