Patent ID: 11944979
Assignee: URBAN MINING CORP B.V.
Field: Chemical engineering (Chemistry)
Classification: CPC B  H | IPC B  H

Claim 4:
5. The apparatus according to claim 1, wherein the apparatus comprises:
coils, optionally at least three coils, arranged besides each other, as seen along the first axis, in the first plane, wherein each coil comprises a conductor for the current, each coil further comprises a first leg, a second leg and two bent end sections in the first plane, the first and the second leg of each coil are arranged parallel to each other along the second axis in the first plane, and the two bent sections are arranged opposite to each other to connect the first leg and the second leg of each coil, and wherein the first leg of a coil is adjacent the second leg of an adjacent coil and vice versa, as seen along the first axis, and the first legs and the second legs of the coils are configured and arranged to form the leg sections,, wherein the controller is arranged to control current through the respective coils.