US Patent Issued to Levitronix on Aug. 25 for "Pump unit for a centrifugal pump and centrifugal pump" (Swiss, Austrian Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,422, issued on Aug. 25, was assigned to Levitronix GmbH (Zurich, Switzerland).

"Pump unit for a centrifugal pump and centrifugal pump" was invented by Rennan Hu (Zurich, Switzerland), Urs Willi (Romanshorn, Switzerland), Alexander Schmid (Hausen am Albis, Austria) and Natale Barletta (Zurich, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pump unit includes a pump housing and a rotor in the pump housing. The pump unit contactless magnetic levitating and driving the rotor. The pump housing has a bottom part and a cover, the bottom part having a cylindrical cup to receive the rotor and a substantially ring-shaped first sealing surface fo...