ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,398, issued on Jan. 13, was assigned to Khalifa University of Science and Technology (Abu Dhabi, United Arab Emirates).
"Vortex tube including secondary inlet with swirl generator" was invented by Yacine Addad (Abu Dhabi, United Arab Emirates) and Omar Sharief Ibrahim Alyahia (Abu Dhabi, United Arab Emirates).
According to the abstract* released by the U.S. Patent & Trademark Office: "Vortex Tubes and related methods of separating an airflow into a hot airflow and a cold airflow employ a secondary airflow inlet. A Vortex Tube includes a secondary airflow inlet that injects a swirling airflow aligned with a central region of the lumen of a circulating tube. The secondary airflow i...