US Patent Issued to Flender-Graffenstaden on Jan. 27 for "Gearbox arrangement providing partial vacuum within a gearbox device as well as method of efficiently providing and maintaining partial vacuum and use" (French Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,130, issued on Jan. 27, was assigned to Flender-Graffenstaden S.A.S. (Illkirch-Graffenstaden, France).

"Gearbox arrangement providing partial vacuum within a gearbox device as well as method of efficiently providing and maintaining partial vacuum and use" was invented by Eric Jallat (Illkirch-Graffenstaden, France) and Thomas Gaulier (Illkirch-Graffenstaden, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gearbox arrangement includes at least one turbo gearbox device and is designed to provide partial vacuum within the gearbox device. The gearbox arrangement includes a vacuum pump, a vacuum oil tank, an oil pump coupled to the vacuum oil tan...