US Patent Issued to PFEIFFER VACUUM on Dec. 16 for "Vacuum line and method for controlling a vacuum line to reduce explosion potential via injection of diluent gas to lower flammable gas concentration" (French Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,563, issued on Dec. 16, was assigned to PFEIFFER VACUUM (Annecy, France).

"Vacuum line and method for controlling a vacuum line to reduce explosion potential via injection of diluent gas to lower flammable gas concentration" was invented by Pascal Moine (Annecy, France) and Thierry Neel (Annecy, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum line and method for controlling a vacuum line in which an auxiliary pumping device and a diluent gas injection device are controlled according to a first operating mode in which the pressure prevailing in the discharge pipe is maintained at less than or equal to 20,000 Pa or according to a second...