Abstract: A method for operating at least one sensor element for detecting at least one property of a gas in a measured-gas space is described. The method comprises at least the following steps: at least one first step, in the first step at least one parameter being ascertained; at least one second step, in the second step the parameter being compared with at least one comparison value, in accordance with that comparison at least one feature being allocated to the sensor element or to at least one part of the sensor element. An apparatus for carrying out the method is also described.

Abstract: The disclosure relates to an energy storing device for generating a supply voltage for an electric machine, comprising at least one energy supply branch which is connected in parallel and each of which has a plurality of first and second energy storing modules that are connected in series. The first and second energy storing modules each comprise an energy storing cell module, which has at least one energy storing cell, and a coupling device, which is designed to selectively connect the energy storing cell module into the respective energy supply branch or to bridge said energy storing cell module. Each second energy storing module additionally has a cooling element for the at least one energy storing cell, and the cooling element is designed to cool the at least one energy storing cell dependent on a control signal of a cooling controller.

Abstract: A lithium-ion battery cell includes a housing with an electrode arrangement and a temperature sensor that is arranged in the interior of the housing. The temperature sensor has an electro-thermal oscillator that converts a temperature into a frequency. A motor vehicle includes the lithium-ion battery cell.

Abstract: A battery includes at least one battery cell that has a housing with an electrode arrangement arranged therein. A first temperature sensor is arranged outside the battery cell housing, and a second temperature sensor is arranged inside the battery cell housing. The temperature dynamic of the second temperature sensor is higher than the temperature dynamic of the first temperature sensor. A motor vehicle includes the battery cell.

Abstract: A device for detecting at least one flow characteristic of a fluid medium, in particular for detecting an air mass flow in the intake air of a motor vehicle, includes at least one flow channel, through which the fluid medium may flow, and at least one sensor element, which is situated in the flow channel, for detecting the flow characteristic. The sensor element has at least one heating element. The device includes at least one bidirectional electrical interface. The device is configured to receive information and transmit information via the bidirectional electrical interface.

Abstract: The disclosure relates to an energy storing device for generating a supply voltage for an electric machine, comprising at least one energy supply branch which is connected in parallel and each of which has a plurality of first and second energy storing modules that are connected in series. The first and second energy storing modules each comprise an energy storing cell module, which has at least one energy storing cell, and a coupling device, which is designed to selectively connect the energy storing cell module into the respective energy supply branch or to bridge said energy storing cell module. Each second energy storing module additionally has a cooling element for the at least one energy storing cell, and the cooling element is designed to cool the at least one energy storing cell dependent on a control signal of a cooling controller.

Abstract: A lithium-ion battery cell includes a housing with an electrode arrangement and a temperature sensor that is arranged in the interior of the housing. The temperature sensor has an electro-thermal oscillator that converts a temperature into a frequency. A motor vehicle includes the lithium-ion battery cell.

Abstract: A stopper is described for sealing a housing of an exhaust gas sensor, in which the stopper has a base body which contains a fluoroelastomer, and in which the stopper has at least one through channel for leading through a connecting cable. A seal is situated, at least in places, between the base body of the stopper and the through channel. The seal contains at least one thermoplastically processable fluoropolymer-containing material having a melting point or melting range between 170° C. and 320° C.

Abstract: A stopper for sealing a housing of an exhaust gas sensor has: at least one axial through-channel for guiding through a connecting cable; a basic body that has a fluoroelastomer; and at least one outer seal situated radially externally on the stopper and having at least one thermoplastically processable fluoropolymer-containing material having a melting point or melting range between 170° C. and 320° C.

Abstract: A battery includes at least one battery cell that has a housing with an electrode arrangement arranged therein. A first temperature sensor is arranged outside the battery cell housing, and a second temperature sensor is arranged inside the battery cell housing. The temperature dynamic of the second temperature sensor is higher than the temperature dynamic of the first temperature sensor. A motor vehicle includes the battery cell.

Abstract: A method for operating at least one sensor element for detecting at least one property of a gas in a measured-gas space is described. The method comprises at least the following steps: at least one first step, in the first step at least one parameter being ascertained; at least one second step, in the second step the parameter being compared with at least one comparison value, in accordance with that comparison at least one feature being allocated to the sensor element or to at least one part of the sensor element. An apparatus for carrying out the method is also described.

Abstract: A device for detecting at least one flow characteristic of a fluid medium, in particular for detecting an air mass flow in the intake air of a motor vehicle, includes at least one flow channel, through which the fluid medium may flow, and at least one sensor element, which is situated in the flow channel, for detecting the flow characteristic. The sensor element has at least one heating element. The device includes at least one bidirectional electrical interface. The device is configured to receive information and transmit information via the bidirectional electrical interface.

Abstract: A method for identifying sensors on a bus by a control unit, as well as a control unit and a sensor for doing this. The sensors, in this instance, send physical useful data to the control unit as the basis for the control of a function. Furthermore, the physical useful data are compared to one another and/or to specified expected values, and the identification of the sensors by the control unit takes place with the aid of the comparison and based on characteristic differences in the physical useful data for the sensors.

Abstract: In a measuring element for a flow sensor and a method for manufacturing the measuring element, a heater, a temperature sensor, and a printed circuit trace are patterned out of a platinum layer. Furthermore, an interconnection region is used for contacting the measuring chip with bonding wires. An additional metal layer is provided for the interconnection region.

Abstract: A mass flow sensor includes a measuring element arranged on a membrane that is clamped in a frame. The sensor is formed by introducing a recess into a silicon wafer. Through the application of a recess having perpendicular walls, the thickness of the frame can be reduced, thus allowing the required surface area of the wafer to also be reduced.

Abstract: A mass-flow sensor includes a measuring element on a membrane and a media-temperature measuring element on a separate membrane. By configuring the media-temperature measuring element on a membrane, the mass-flow sensor quickly reacts to changes in the temperature of the flowing medium.

Abstract: An improved temperature sensor is designed for the sensitive detection of temperature changes. The temperature sensor includes a frame 9 of monocrystalline silicon and a dielectric diaphragm 13 stretched on it. A monocrystalline silicon structure 35 is disposed on or under the dielectric diaphragm which is used for measuring the temperature. In the course of this, the Seebeck effect, as well as the temperature dependence of the electrical resistance, can be used for detection of any temperature changes.

Abstract: A mass flow sensor detects the intensity of a media flow. The mass flow sensor includes a measurement chip, with a dielectric membrane and a frame of monocrystalline silicon. At least one heater is arranged on the membrane. The measurement chip is installed in the in-flow channel of a housing. By means of the structure of the housing, contamination of the measurement chip is reduced, thermal equalization with the media flow is improved, the resistance of the sensor to sudden pressure variations is increased, and the dielectric contacts are improved.

Abstract: The invention is directed to a flow sensor having a heater, two temperature measuring sensors, a heater temperature sensor and a medium temperature sensor. A control circuit is provided which controls the overtemperature of the heater in dependence upon the temperature of the flowing medium. With this arrangement, the influence of the temperature dependency of the following on the sensor characteristic are compensated: viscosity, thermal conductance and thermal capacity of the medium. The relationship between the heater temperature and the temperature of the medium is adjusted in a slightly nonlinear manner by means of special evaluation circuits. In this way, a further improvement of the temperature compensation is obtained.