Abstract: In a method for operating an electric vehicle, including an electrical drive device for driving the vehicle, a control device for controlling the driving of the vehicle, a first energy storage device for supplying the control device with a first DC voltage, a second energy storage device for supplying the drive device with a second DC voltage, and an energy supply unit providing an output DC voltage, the first energy storage device is connected to the energy supply unit via a converter device, the second energy storage device is connected to the energy supply unit, the converter device converts the output DC voltage into the first DC voltage, a first power flow from the first energy storage device to the second energy storage device is prevented and a second power flow from the second energy storage device to the first energy storage device is prevented.

Abstract: The invention relates to a system composed of an apparatus to treat a fluid and a handheld device, wherein the apparatus has a communication unit with a radio antenna and the handheld device has a communication unit with a radio antenna and both communication units can exchange data with each other by means of radio communication, and the apparatus has a control unit, which can detect at least one status parameter of the apparatus and generate a signal which is dependent on the status parameter and can transfer it via the communication unit of the apparatus to the communication unit of the handheld device.

Abstract: In a method for operating an electric vehicle, including an electrical drive device for driving the vehicle, a control device for controlling the driving of the vehicle, a first energy storage device for supplying the control device with a first DC voltage, a second energy storage device for supplying the drive device with a second DC voltage, and an energy supply unit providing an output DC voltage, the first energy storage device is connected to the energy supply unit via a converter device, the second energy storage device is connected to the energy supply unit, the converter device converts the output DC voltage into the first DC voltage, a first power flow from the first energy storage device to the second energy storage device is prevented and a second power flow from the second energy storage device to the first energy storage device is prevented.

Abstract: The invention relates to a system composed of an apparatus to treat a fluid and a handheld device, wherein the apparatus has a communication unit with a radio antenna and the handheld device has a communication unit with a radio antenna and both communication units can exchange data with each other by means of radio communication, and the apparatus has a control unit, which can detect at least one status parameter of the apparatus and generate a signal which is dependent on the status parameter and can transfer it via the communication unit of the apparatus to the communication unit of the handheld device.

Abstract: An energy store includes a housing and bridge plug. In relation to the housing, the bridge plug is receivable by the housing in two orientations different from each other, e.g., in the same opening or configuration of openings.

Abstract: A fan arrangement includes a fan and toothed ring, and a converter motor includes a fan arrangement. The fan includes a base body on which fan blades are premolded, and the fan includes an annular region, which is premolded on the side of the fan blades facing away from the base body. The toothed ring is situated within the annular region, and thus, in particular, is set apart from the base body, and thus, in particular, is set apart from the base body via the fan blades.

Abstract: In a system having primary conductor sections supplied with alternating current by respective feed-in devices, and having at least one mobile part, and in a method for operating such a system, in which the mobile part has a secondary winding, in particular on its underside, which is able to be, in particular is, inductively coupled with one of the primary conductor sections, the feed-in devices inject respective alternating currents of different frequencies into the primary conductor sections, and the mobile part has a device for acquiring the frequency of the alternating current injected into the primary conductor section inductively coupled with the secondary winding.

Abstract: In a system and method for operating a system, which includes a first inverter which feeds a first electric motor, and a second inverter which feeds a second electric motor, the DC-voltage side connection of the first inverter is connected to the DC-voltage side connection of a rectifier which is supplied from an electrical AC-voltage supply network, the DC-voltage side connection of the second inverter is connected to the DC-voltage side connection of the rectifier, in particular, the two DC-voltage side connections of the inverters are switched in parallel, and a controller is provided, in particular in the first inverter, which controls the current accepted and acquired by the first inverter at its DC-voltage side terminal toward a setpoint value in that the torque of the first electric motor fed by the first inverter is the controlled variable.

Abstract: The invention relates to a treatment vessel for an apparatus for treating a fluid, comprising a treatment material arranged in the treatment vessel and a first heater by means of which a first part of the treatment material present in a first region of the treatment vessel can be heated and a second heater by means of which a second part of the treatment material present in a second region of the treatment vessel can be heated.

Abstract: In a system and method for operating a system, which includes a first inverter which feeds a first electric motor, and a second inverter which feeds a second electric motor, the DC-voltage side connection of the first inverter is connected to the DC-voltage side connection of a rectifier which is supplied from an electrical AC-voltage supply network, the DC-voltage side connection of the second inverter is connected to the DC-voltage side connection of the rectifier, in particular, the two DC-voltage side connections of the inverters are switched in parallel, and a controller is provided, in particular in the first inverter, which controls the current accepted and acquired by the first inverter at its DC-voltage side terminal toward a setpoint value in that the torque of the first electric motor fed by the first inverter is the controlled variable.

Abstract: A securing element for axially securing a shaft or a component on a shaft includes at least two sector elements that can be joined to each other to form an essentially closed ring form with a central through opening for the shaft. The sector elements have latching structures or snap-fit structures, by which they can be connected to each other. The latching structures include a groove-like indentation with a first snap-fit hook formed in a first one of the sector elements and a spring arm with a second snap-fit hook arranged on a second one of the sector elements and engaging in the indentation in the first sector element.

Abstract: A camshaft adjuster for adjusting the phase angle between a crankshaft and a camshaft of an internal combustion engine comprises an actuator, in particular, an electric motor, and an adjustment module, which comprises a drive element, which can be driven by the crankshaft, and an output element, which can be rotated relative to the drive element to a limited extent and which is provided to be securely coupled to the camshaft, wherein a signal generator, which is arranged so as to be fixed in position on the internal combustion engine and which has an inductance, is inductively coupled to a measurement circuit, which is integrated into the adjustment module and which has at least one resonant circuit component having electrical properties that depend on the said phase angle.

Abstract: In a system having primary conductor sections supplied with alternating current by respective feed-in devices, and having at least one mobile part, and in a method for operating such a system, in which the mobile part has a secondary winding, in particular on its underside, which is able to be, in particular is, inductively coupled with one of the primary conductor sections, the feed-in devices inject respective alternating currents of different frequencies into the primary conductor sections, and the mobile part has a device for acquiring the frequency of the alternating current injected into the primary conductor section inductively coupled with the secondary winding.

Abstract: The invention relates to a system composed of an apparatus to treat a fluid and a handheld device, wherein the apparatus has a communication unit with a radio antenna and the handheld device has a communication unit with a radio antenna and both communication units can exchange data with each other by means of radio communication, and the apparatus has a control unit, which can detect at least one status parameter of the apparatus and generate a signal which is dependent on the status parameter and can transfer it via the communication unit of the apparatus to the communication unit of the handheld device.

Abstract: A fan arrangement includes a fan and toothed ring, and a converter motor includes a fan arrangement. The fan includes a base body on which fan blades are premolded, and the fan includes an annular region, which is premolded on the side of the fan blades facing away from the base body. The toothed ring is situated within the annular region, and thus, in particular, is set apart from the base body, and thus, in particular, is set apart from the base body via the fan blades.

Abstract: In a system and method for operating a system, which includes a first inverter which feeds a first electric motor, and a second inverter which feeds a second electric motor, the DC-voltage side connection of the first inverter is connected to the DC-voltage side connection of a rectifier which is supplied from an electrical AC-voltage supply network, the DC-voltage side connection of the second inverter is connected to the DC-voltage side connection of the rectifier, in particular, the two DC-voltage side connections of the inverters are switched in parallel, and a controller is provided, in particular in the first inverter, which controls the current accepted and acquired by the first inverter at its DC-voltage side terminal toward a setpoint value in that the torque of the first electric motor fed by the first inverter is the controlled variable.

Abstract: A camshaft adjuster (4) with a stator (20) that has an outer part (50) for concentrically holding a rotor (22) with vanes (34) arranged around the rotor (22) and a segment (52) projecting from the outer part (50) for engaging between two vanes (34) of the rotor (22), in order to form, together with the two vanes (22), pressure chambers (44) of the camshaft adjuster (4). A cover (1564, 156) is located on an axial side of the ring-shaped outer part, and the cover includes a cavity for holding hydraulic fluid from the pressure chambers (44). The segment (52) may also have a cavity (70) for holding a hydraulic fluid from the pressure chambers (44).

Abstract: A method for operating a camshaft adjuster, which includes an adjusting transmission with an input shaft, an output shaft connected in a non-rotatable manner with a camshaft, and an adjusting shaft, whereby the adjusting shaft is driven by an actuator, characterized by the fact that the actuator drives the adjusting shaft by overcoming a torque that is dependent on its angular position.

Abstract: A camshaft adjuster for adjusting the phase angle between a crankshaft and a camshaft of an internal combustion engine comprises an actuator, in particular, an electric motor, and an adjustment module, which comprises a drive element, which can be driven by the crankshaft, and an output element, which can be rotated relative to the drive element to a limited extent and which is provided to be securely coupled to the camshaft, wherein a signal generator, which is arranged so as to be fixed in position on the internal combustion engine and which has an inductance, is inductively coupled to a measurement circuit, which is integrated into the adjustment module and which has at least one resonant circuit component having electrical properties that depend on the said phase angle.

Abstract: A camshaft unit (1), having a first camshaft (2) which is phase-adjustable with respect to a crankshaft, having a second camshaft (3) which is arranged concentrically with respect to the first camshaft (2), and having a camshaft adjuster (5) by which both camshafts (2, 3) are phase-adjusted with respect to the crankshaft.