US Patent Issued to Johnson Controls Light Commercial IP on May 13 for "Feedback warning system using inducer pulse width modulation signal" (Kansas Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,038, issued on May 13, was assigned to Johnson Controls Light Commercial IP GmbH (Neuhausen am Rheinfall, Switzerland).

"Feedback warning system using inducer pulse width modulation signal" was invented by Madhuka Manuranga Jayarathne (Wichita, Kan.), Andrew Michael Boyd (Wichita, Kan.), Theresa N. Gillette (Wichita, Kan.) and Thomas D. Chase (Wichita, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an aspect, an HVAC system includes an inducer motor to provide combustion airflow, and a pressure sensor to measure an output airflow pressure of the inducer motor. The HVAC system may initiate the inducer motor, and receive a pulse width modulati...