ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,293, issued on May 19, was assigned to DANA ITALIA S.R.L. (Arco, Italy).
"Compact volumetric pump" was invented by Pier Paolo Rinaldi (Arco, Italy), Giacomo Faggiani (Rovereto, Italy) and Mark Slater (Warwickshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for a mechanically driven pump are provided. The pump is for lubrication and comprises: a cam lobe or an eccentric mounted on and driven by a shaft; a piston being in contact with the cam lobe or the eccentric; a spring acting on the piston; an inlet check valve positioned in an inlet port; and an outlet check valve positioned in an outlet port, where the inle...