Abstract: A high-pressure cleaning device, a cleaning dispersion, and a combination of a high-pressure cleaning device with a surface to be cleaned. The cleaning device cleans surfaces soiled by fine particles, particularly motor vehicle surfaces, and includes a high-pressure pump for delivering a cleaning product to a high-pressure jet nozzle. The cleaning product emerges in a high-pressure jet. The cleaning product includes a cleaning dispersion with a carrier fluid and solid cleaning particles having a density of between 0.8 g/cm3 and 3.5 g/cm3. Cleaning particles emerge from the high-pressure jet nozzle having a minimum kinetic energy of 1·10?10 J and a maximum kinetic energy of 2·10?4 J.

Abstract: Method for charging an accumulator having an energy storage cell, a data interface and a wake-up circuit. A charging apparatus contains a data interface, a controller, a timer and a switch apparatus. The data interfaces are connected to one another via a communication line for differential communication between the accumulator and the charging apparatus.

Abstract: A biofuel composition and a process for the manufacture of a biofuel composition including lignin and ethanol as the main combustible components of the biofuel composition and having total ash below 1% w/w based on total mass of dry matter in the biofuel composition.

Abstract: A method of operating a vehicle washing facility includes optically scanning a code including washing detergent data on a transport container of a washing detergent with a portable device, converting the washing detergent data into control data for the vehicle washer; and controlling the vehicle washer based on the control data.

Abstract: A foam generator, in particular for a motor vehicle washing installation, includes a foam generation chamber having at least one inlet for water, surfactant and gas, in particular compressed gas, and one outlet for foam, and contains a fluid-permeable bed of loose particles. The bed fills the foam generation chamber sufficiently to prevent fluidization of the bed.

Abstract: A method for cleaning vehicles by means of which the formation of marks caused by drying is prevented. The method comprises a rinsing step using water. In the method, the anions forming poorly soluble salts with alkaline earth metals dissolved in water are removed from the water, while cations causing the water hardness are retained. Furthermore, a vehicle washing system includes: at least one application device for applying rinsing fluid to a vehicle to be cleaned; and an ion-exchange device for removing anions from the rinsing fluid prior to the application to the vehicle.

Abstract: A backup and restore coordinator configured to receive a plurality of backup and restore requests from at least two uncoordinated backup functionalities implemented in a virtual environment, the virtual environment including a hypervisor hosting a plurality of virtual machines and a backup server. The backup and restore coordinator configured to extract respective information from the plurality of backup and restore requests including target data, backup resource information, and a type of request. The backup and restore coordinator configured to order the plurality of backup and restore requests in a prioritized queue based on the information extracted from the plurality of backup and restore requests.

Abstract: A rotary brush for processing the surface of a vehicle includes a rotary brush main part and a plurality of fill material holders that are arranged on an outer lateral surface of the rotary brush main part spaced apart from one another in the circumferential direction thereof. Each fill material holder can be secured to the rotary brush main part in a plurality of stop positions spaced apart in the radial direction of the rotary brush main part.

Abstract: An automatic generation of washing programs for an automatic vehicle washing installation is provided. For this purpose, a washing program generator with a washing program generation unit is provided. This includes an input interface for reading-in an equipment data set which represents how the washing installation is currently equipped with machine components, a processor unit for computation of a group of function blocks based on the equipment data set read-in via the input interface, a user interface which is intended for outputting the group of function blocks computed by the processor unit and is intended for detection of a selection of the output function blocks, wherein the processor unit is further intended to compute a washing program based on the detected selected function blocks for operation of the washing installation.

Abstract: A method for controlling a rechargeable battery on a machine tool contains the steps of: setting the control electronics of the rechargeable battery to a deactivation mode, with the result that no current flows from the rechargeable battery into the control electronics and to the machine tool; transmitting at least one signal from the machine tool to the rechargeable battery via the first and second communication lines; activating the wake-up circuit for activating control electronics by detecting a voltage value from the first or second communication line, wherein the voltage value corresponds to either the dominant or the recessive state of the first or second communication line; setting the control electronics of the rechargeable battery to an activation mode via the wake-up circuit; and enabling current to be drawn from the rechargeable battery by the machine tool.

Abstract: A method and system for deleting a node of a knowledge graph may be provided. The method comprises receiving knowledge graph data comprising nodes and edges, determining a first relevance degree value for a node and a second relevance degree value for the node, combining the first and the second relevance degree value and marking the node as deletable if the final relevance degree value is above a predefined relevance threshold value. The method comprises further applying queries against the knowledge graph, wherein at least a certain number of such queries invokes accessing of a node, marked as deletable, revising at least one of the first and second relevance degree value based on the accessing of the node marked as deletable, and deleting the node, marked as deletable, if over a predetermined period of time queries against the knowledge graph invoke no access of the node marked as deletable.

Abstract: A method for ascertaining a charge value for a system containing a power tool and a rechargeable battery used to supply the power tool with electrical energy. The method contains the method steps of detecting a first charge value of an electrical charge of the rechargeable battery at a first time instant; detecting a current value of an electric current flowing from the rechargeable battery to the power tool to supply the electrical load in the power tool, between a second time instant and third time instant (t2, t3); ascertaining a second charge value on the basis of the detected current value between a second time instant and third time instant; and subtracting the second charge value from the first charge value in order to ascertain a third charge value at the second time instant. Also provided is a rechargeable battery, power tool, and system containing a rechargeable battery and a power tool for performing the method.

Abstract: Rechargeable battery for a machine tool containing at least one energy storage cell and also one switching apparatus. The rechargeable battery contains a bypass circuit which can be operated in a first and second mode, wherein the bypass circuit is in an inoperative state in the first mode, so that an electric current with a first current value passes from the at least one energy storage cell to the machine tool via the switching apparatus, and wherein the bypass circuit is in an operating state in the second mode, so that an electric current with a second current value passes from the at least one energy storage cell to the machine tool via the bypass apparatus, and wherein the first current value is greater than the second current value.

Abstract: A method for determining a charge value for a system containing a charging apparatus and a rechargeable battery. The rechargeable battery can be connected to the charging apparatus to receive and store electrical energy. The method includes detecting a first charge value of an electrical charge of the rechargeable battery at a first time instant; detecting a current value of an electric current flowing from the charging apparatus to the rechargeable battery to charge the rechargeable battery, between a first time instant and second time instant; determining a second charge value on the basis of the detected current value between the first time instant and second time instant; and adding the second charge value from the first charge value in order to determine a third charge value in the rechargeable battery at the second time instant. A rechargeable battery, a charging apparatus, and a system containing a battery and a charging apparatus for performing the method are also provided.

Abstract: Disclosed is a retaining device for retaining a number of plugs and for arranging on a wall passage. In some embodiments, the retaining device comprises a number of substantially identically sized through-holes. In some embodiments, a modular element comprises an outer interface region for receiving the modular element in one of the through-holes. In some embodiments, the modular element comprises an inner interface region for receiving one of the plugs in the modular element.

Abstract: An electronically regulatable metering pump for use in an automatic washing installation is regulated based on a desired specification of the washing installation and depending on detected sensor data and is configured to deliver a volume flow of the additive such that, when the additive is admixed with the washing fluid, a desired application concentration is provided for feeding into an operating assembly of the washing installation.

Abstract: A foam generator includes a foam generation chamber which contains or consists of a porous filling material and which has at least one inlet for supplying a liquid and a gas, and an outlet for discharging the foam generated in the foam generation chamber. The mean pore diameter of a cross-sectional area of the filling material decreases from the inlet to the outlet continuously or discretely.

Abstract: A method of producing a shaped part includes method steps of: providing a first component composed of a metallic material and at least one second component composed of a fiber-plastic composite system; forming a composite including the first component and at least the second component; heating the formed composite to a target temperature above a melting temperature or glass transition temperature of plastic in the fiber-plastic composite system: and forming the heated composite into the shaped part by use of a forming mold.

Abstract: A large two-stroke turbocharged compression-ignited internal combustion crosshead engine with a plurality of cylinders has at least one pressure booster for each cylinder for boosting fuel pressure, two or more electronically controlled fuel valves for each cylinder with an inlet of the two or more electronically controlled fuel valves being connected to an outlet of the at least one pressure booster. An electronic control unit is connected to the at least one pressure booster and the two or more electronically controlled fuel valves. The electronic control unit is configured to determine a start time for a fuel injection event, activate the at least one pressure booster ahead of the determined start time and pen the two or more electronically controlled fuel valves at the determined start time.