US Patent Issued to Sulzer Management on Sept. 30 for "Pump arrangement for pumping barrier liquid and a mechanical shaft seal" (Finnish Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,062, issued on Sept. 30, was assigned to Sulzer Management AG (Winterthur, Switzerland).

"Pump arrangement for pumping barrier liquid and a mechanical shaft seal" was invented by Jukka Vainikainen (Kotka, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pump arrangement for pumping barrier liquid in a sealed space of a mechanical shaft seal includes a housing assemblable in connection with a rotatable shaft of a device to be sealed by the mechanical shaft seal. The housing includes a pumping element, which is configured to be in force transmission connection with the rotatable shaft to provide power to operate the pumping element when in us...