ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,484, issued on Nov. 25, was assigned to Power Packer North America Inc. (Westfield, Wis.).
"Pump unit with conical motor chamber" was invented by Marcel Gerardus Maria Nieuwenhuis (Oldenzaal, Netherlands) and Johnny Antonius Jacobus Wiggemans (Oldenzaal, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "Pump unit (10) comprising an electrically driven hydraulic pump (4) for pressurising a hydraulic actuating system. The pump unit (10) comprises a hydraulic pump (4) in pump chamber (110) of a pump housing (11). The pump (4) is driven by an electric motor (3) which includes a motor rotor body (310) and an assembly of field coils (32) and magn...