ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,189, issued on Dec. 23, was assigned to Lennox Industries Inc. (Richardson, Texas).
"Refrigerant leak detection system and method" was invented by Rajesh Alayil (Kerala, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigeration system includes a tubing system, a sensor circuitry, a fan, and a controller. The tubing system has tubes located adjacent to component of the refrigeration system. The tubes have holes on their surface. The fan is downstream of the tubes. The fan pulls sampled air though the tubes and direct the sampled air toward the sensor circuitry. The controller receives a signal that indicates that the sampled air comprises ...