Patent ID: 7040800

Claim:
A magnetic stirrer ( 1 ) comprising a housing ( 2 ), which accommodates an electrical stirring drive comprising at least one alternately excitable magnetic coil ( 3 ) or electromagnet having a first end and a second end, as well as at least one circuit board ( 4 ) having a control circuit with control components for the stirring drive mounted on said board, a top, substantially horizontal contact surface ( 5 ) able to accommodate a container holding goods to be stirred as well as a stirring magnet, wherein the magnetic coils ( 3 ) are arranged below the contact surface ( 5 ) and a driving end of the at least one magnetic coil or electromagnet is located adjacent to the contact surface, wherein the driving end of the at least one magnetic coil ( 3 ) or electromagnet is approximately flush with at least one circuit board ( 4 ) the axial dimension of the at least one magnetic coil ( 3 ) or electromagnet is less than its diameter, and further comprises a cover ( 6 ) made from non-ferromagnetic material placed directly on or over the circuit board ( 4 ) and the driving end of the at least one magnetic coil ( 3 ) or electromagnet.