Abstract: A pump apparatus has a rotor shaft, a pump impeller connected to the rotor shaft, at least one axial bearing which rotatably supports the rotor shaft at a side facing the pump impeller, a magnetic pump stator, a magnetic pump rotor which is connected to the rotor shaft, a containment can which extends between the stator and the rotor, and at least one central support element which is mounted in the region of the pump impeller. The pump apparatus has an elastomer disk which is arranged between the support element and the axial bearing. The stator and the rotor are arranged with an axial offset with respect to each other. The stator and the rotor are provided as a result of the axial offset to produce an axial force F in the direction of the elastomer disk.

Abstract: A programmable electronic power regulator includes a power module for controlling an actuator, a control module for actuating the power module, and an internal monitoring module for transferring the control module to an emergency operation. The internal monitoring module is configured to monitor a system state, detect a critical operating state, and output an error signal. The control module comprises: a basic controller, which is configured to output a power module control signal, and in which functions for open- and closed-loop control of the actuator are implemented, which are required for an emergency operation in a critical operating state; an additional controller, in which functions that are not needed for emergency operation are implemented; and a controller disconnection point, which connects the basic controller with the additional controller via a control connection, and which is configured to at least partially disconnect the control connection upon receipt of the error signal.

Abstract: A programmable electronic power regulator includes a power module for controlling an actuator, a control module for actuating the power module, and an internal monitoring module for transferring the control module to an emergency operation. The internal monitoring module is configured to monitor a system state, detect a critical operating state, and output an error signal. The control module comprises: a basic controller, which is configured to output a power module control signal, and in which functions for open- and closed-loop control of the actuator are implemented, which are required for an emergency operation in a critical operating state; an additional controller, in which functions that are not needed for emergency operation are implemented; and a controller disconnection point, which connects the basic controller with the additional controller via a control connection, and which is configured to at least partially disconnect the control connection upon receipt of the error signal.