Patent ID: 11872568
Assignee: ALFA LAVAL CORPORATE AB
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 10:
11. A centrifugal separator comprising:
a rotor arrangement comprising a spindle and a separator bowl enclosing a separation space;
a drive arrangement connected to, or forms part of, the spindle and is configured to rotate the rotor arrangement about a rotation axis;
a user of electric energy;
an inlet for a fluid mixture fluidly connected with the separation space, and an outlet for a separated fluid fluidly connected with the separation space;
a rotary transformer, the rotary transformer comprising a transformer stator and a transformer rotor;
wherein the transformer stator and the transformer rotor are arranged adjacent to each other with an airgap therebetween,
wherein the transformer rotor comprises a coil and is rotatable together with the rotor arrangement, wherein the coil is electrically connected to the user of electric energy arranged in the rotor arrangement for providing the user of electric energy with an electric current, and
wherein the transformer rotor is arranged on the separator bowl to rotate with the separator bowl, and wherein the transformer stator is arranged adjacent to the separator bowl.