Abstract: A freeze protection method for a fuel cell system is disclosed. The fuel cell system includes an evaporative cooler device equipped for cooling a heat exchanger of a fuel cell device of the fuel cell system having a feed line, through which during the operation of the fuel cell system, water is pumped to a sprinkling device of the evaporative cooler device and by way of the sprinkling device, the water is applied onto the heat exchanger equipped for temperature-controlling a fuel cell stack of the fuel cell device. The method includes blowing out the evaporative cooler device as part of a deactivation method of the fuel cell system.

Abstract: The invention relates to a method for sprinkling a heat exchanger of a fuel cell vehicle with a fluid. The heat exchanger comprises a sprinkling surface and at least one group with at least one part surface. All part surfaces of all groups together fully represent the sprinkling surface. In the method, all part surfaces of the group are sprinkled with the fluid within a sprinkling period and not sprinkled within a drying period. The invention also relates to a sprinkling system for carrying out the method.

Abstract: A fuel cell device of a motor vehicle is disclosed. The fuel cell device includes a fuel cell, a supply air path leading to the fuel cell for a cathode supply air flow, and an exhaust air path leading away from the fuel cell for a cathode exhaust air flow. The supply air path and the exhaust air path are routed through a humidifier that humidifies the supply air and dehumidifies the exhaust air. The exhaust air path is further routed through a water separator that removes water from the exhaust air to provide evaporation water. A heat exchanger for cooling the fuel cell is provided that has an evaporative cooler for cooling the heat exchanger. The evaporative cooler is assigned to the water separator in fluidic communication and is supplied with evaporation water by the water separator.

Abstract: A mass spectrometry system comprises a mass spectrometry apparatus configured to provide mass spectrometry data of a biological sample; and a computer system configured to process the mass spectrometry data to determine a characteristic of the biological sample as integrity data of the biological sample; and output an indication of the similarity to a predetermined sample characteristic as integrity data of the biological sample. A computerized method provides an indication of integrity of a biological sample from mass spectrometry data, the computerized method comprising: processing mass spectrometry data of a biological sample to determine a sample characteristic of the biological sample; and outputting an indication of the similarity to a predetermined sample characteristic as integrity data of the biological sample.

Abstract: A cooling system for a fuel cell of a motor vehicle may include a closed coolant circuit through which a coolant is circulatable, a heat exchanger fluidically incorporated in the coolant circuit for cooling the coolant, an open sprinkler circuit through which a sprinkler fluid is flowable for cooling the heat exchanger, and a channel structure fluidically incorporated in the sprinkler circuit. The heat exchanger may include an air inlet surface, an air outlet surface, and a plurality of cooling tubes. The coolant may be flowable through the heat exchanger via the plurality of cooling tubes. Air may be flowable through the heat exchanger from the air inlet surface to the air outlet surface. The channel structure may include a plurality of channels, which may each include a plurality of outlet nozzles via which the sprinkler fluid is appliable to the plurality of cooling tubes.

Abstract: The invention relates to a cooling system (1) for a vehicle. The cooling system (1) comprises a cooling circuit (2) having a first and second heat source (3a, 3b) and a first and second radiator (4a, 4b). In the cooling circuit (2), the heat sources (3a, 3b) and the radiator (4a, 4b) are connected in series with one another. A hydraulic switch (6) divides the cooling circuit (2) into two partial circuits (2a, 2b). The respective partial circuit (2a, 2b) each includes the respective heat sources (3a, 3b) and the respective radiator (4a, 4b). The invention also relates to a method for operating the cooling system (1).

Abstract: A heat exchanger for a fuel cell is disclosed. The heat exchanger includes at least two tube bodies that are arranged at a distance from one another and are in each case structured so that a fluid can flow through internally and so that air can flow around externally. A water channel, through which water can flow fluidically separated from the fluid, is arranged in or on at least one tube body. At least one opening, via which the water channel communicates fluidically with an external environment of the at least one tube body, is provided on the at least one tube body. The at least one opening is arranged in the at least one tube body so that at least one of the tube bodies can be wetter with water, which is guided through the water channel and escapes the water channel through the at least one opening.

Abstract: A cooling system for a vehicle is disclosed. The cooling system includes a cooling circuit that is flowed through by a coolant. The cooling circuit includes a first heat source, a first radiator, a second heat source, and a second radiator. A first partial circuit is provided with the first heat source and the first radiator fluidically connected to one another. A second partial circuit is provided with the second heat source and the second radiator fluidically connected to one another. The first partial circuit and the second partial circuit can be hydraulically separated from one another at times such that the two partial circuits are flowed through by a part of the coolant, and hydraulically connected to one another at times such that the two partial circuits can be jointly flowed through by a common part of the coolant.

Abstract: A motor vehicle may include a drive mechanism, a discharge system through which a gas mass flow containing liquid droplets may flow, a pressure-reducing mechanism incorporated in the discharge system, a cooling circuit through which a coolant may circulate to cool a drive component of the drive mechanism, a coolant radiator through with the coolant may flow, an air path extending through the coolant radiator, an evaporative cooling mechanism, a reservoir free of applied additional pressure, a liquid path, and a supply path. The pressure-reducing mechanism may be configured such that the gas mass flow downstream of the pressure-reducing mechanism is free of applied additional pressure. The evaporative cooling mechanism may be configured to introduce liquid into the air path. The liquid path may extend from the pressure-reducing mechanism to an inlet of the reservoir. The supply path may extend from the storage volume to the evaporative cooling mechanism.

Abstract: An evaporation water tank for a fuel cell device may include a tank bottom, a plurality of tank side walls, and a tank cover that collectively define a collection volume for evaporation water and tank air. The plurality of tank side walls may be arranged on and project away from the tank bottom. The tank cover may be arranged a distance away from the tank bottom and on the plurality of tank side walls. The tank may also include an evaporation water inlet via which an inflow of evaporation water is flowable into the collection volume and at least one evaporation water outlet via which an outflow of evaporation water is flowable from the collection volume. The evaporation water inlet may be arranged on at least one of the plurality of tank side walls. The at least one evaporation water outlet may be arranged on the tank bottom.

Abstract: The present invention relates to a fuel cell device (1) having a fuel cell (2) which, during operation, emits water as a product of cold combustion; a supply air path (3) leading to the fuel cell (2) for a cathode supply air flow (5), which defines a supply air flow direction (4), the cathode supply air flow coming from water-containing supply air supplied to the fuel cell (2); and an exhaust air path (7)leading away from the fuel cell (2), for a cathode exhaust air flow (9), which defines an exhaust air flow direction (8), the cathode exhaust air flow coming from water-containing exhaust air flowing out of the fuel cell (2). The supply air path (3) and the exhaust air path (7) are routed through a humidifier (10) of the fuel cell device (1), which humidifier communicates fluidically with the supply air and the exhaust air, to humidify the supply air and dehumidifying the exhaust air.

Abstract: An advanced data platform may receive an asset pricing request containing information about an asset. An optimization engine may determine a predicted price for the asset at different locations and times and compute a price matrix accordingly. The engine may identify an optimized predicted price from the price matrix, taking into account the spatial and temporal factors and various optimization conditions. A view for presentation of the optimized predicted price for the asset on a client device is generated and communicated to the client device over a network. When the asset is a vehicle, the engine may compute a linear regression model that defines a set of input variables with associated regression coefficients, the set of input variables comprising input variables representing attributes describing the vehicle.

Abstract: A thermal management system for a vehicle may include a refrigerant circuit in which a refrigerant circulates, as well as a heating circuit, a first coolant circuit configured for a temperature control of a drive device of the vehicle, and a second coolant circuit configured for a temperature control of an electrical store of the vehicle in which a coolant circulates. The system may further include a chiller incorporated in the refrigerant circuit and a chiller guide fluidically separate from the refrigerant circuit. The chiller guide may have a chiller path configured to conduct the coolant and which extends through the chiller, and may have a bypass path configured to conduct the coolant and which circumvents the chiller. The system may additionally include a chiller valve device configured to selectively fluidically connect the first coolant circuit and the second coolant circuit to the chiller path and the bypass path.

Abstract: An advanced data platform may receive an asset pricing request containing information about an asset. An optimization engine may determine a predicted price for the asset at different locations and times and compute a price matrix accordingly. The engine may identify an optimized predicted price from the price matrix, taking into account the spatial and temporal factors and various optimization conditions. A view for presentation of the optimized predicted price for the asset on a client device is generated and communicated to the client device over a network. When the asset is a vehicle, the engine may compute a linear regression model that defines a set of input variables with associated regression coefficients, the set of input variables comprising input variables representing attributes describing the vehicle.

Abstract: An advanced data platform may receive an asset pricing request containing information about an asset. An optimization engine may determine a predicted price for the asset at different locations and times and compute a price matrix accordingly. The engine may identify an optimized predicted price from the price matrix, taking into account the spatial and temporal factors and various optimization conditions. A view for presentation of the optimized predicted price for the asset on a client device is generated and communicated to the client device over a network. When the asset is a vehicle, the engine may compute a linear regression model that defines a set of input variables with associated regression coefficients, the set of input variables comprising input variables representing attributes describing the vehicle.

Abstract: Systems, methods and computer program products for forecasting future values of an item, where an initial value for the item is determined, and then a baseline forecast for a future reference period is computed based on factors that include microeconomic data which is specific to an industry of the item and macroeconomic data which is non-specific to the industry of the item. The forecast may also be adjusted based on data for a set of competitive items. The forecast for the item is stored and is then made available to clients that can access the forecast to determine the expected future value of the item at some point in the future.

Abstract: An advanced data platform may receive an asset pricing request containing information about an asset. An optimization engine may determine a predicted price for the asset at different locations and times and compute a price matrix accordingly. The engine may identify an optimized predicted price from the price matrix, taking into account the spatial and temporal factors and various optimization conditions. A view for presentation of the optimized predicted price for the asset on a client device is generated and communicated to the client device over a network. When the asset is a vehicle, the engine may compute a linear regression model that defines a set of input variables with associated regression coefficients, the set of input variables comprising input variables representing attributes describing the vehicle.

Abstract: Systems, methods and computer program products for forecasting future values of an item, where an initial value for the item is determined, and then a baseline forecast for a future reference period is computed based on factors that include microeconomic data which is specific to an industry of the item and macroeconomic data which is non-specific to the industry of the item. The forecast may also be adjusted based on data for a set of competitive items. The forecast for the item is stored and is then made available to clients that can access the forecast to determine the expected future value of the item at some point in the future.

Abstract: An advanced data platform may receive an asset pricing request containing information about an asset. An optimization engine may determine a predicted price for the asset at different locations and times and compute a price matrix accordingly. The engine may identify an optimized predicted price from the price matrix, taking into account the spatial and temporal factors and various optimization conditions. A view for presentation of the optimized predicted price for the asset on a client device is generated and communicated to the client device over a network. When the asset is a vehicle, the engine may compute a linear regression model that defines a set of input variables with associated regression coefficients, the set of input variables comprising input variables representing attributes describing the vehicle.

Abstract: Systems, methods and computer program products for forecasting future values of an item, where an initial value for the item is determined, and then a baseline forecast for a future reference period is computed based on factors that include microeconomic data which is specific to an industry of the item and macroeconomic data which is non-specific to the industry of the item. The forecast may also be adjusted based on data for a set of competitive items. The forecast for the item is stored and is then made available to clients that can access the forecast to determine the expected future value of the item at some point in the future.