ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,705, issued on Oct. 27, was assigned to ZF Friedrichshafen AG (Friedrichshafen, Germany).

"Mixing chamber for generating a pump charge" was invented by Bastian Feyrer (Meckenbeuren, Germany), Horst Leichsenring (Friedrichshafen, Germany), Paolo Ruatto (Eriskirch, Germany) and Norbert Braun (Friedrichshafen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mixing chamber for generating a pump charge in a fluid pump has an inner wall defining an inside space. A suction inlet is configured to be connected to a fluid source from which it draws a fluid. A charging inlet is configured to admit a fluid stream into the inside space and thereby to ge...