Abstract: The invention relates to a device for determining the dew point temperature of a measurement gas, having a light guide, a condensation surface located on the light guide and whose reflectivity is dependent on the condensation of the measurement gas, a light source for emitting light through the light guide onto the condensation surface, a light sensor for determining the light intensity reflected back into the light guide by the condensation surface and means for adjusting the temperature of the condensation surface, which has a semihydrophobic construction.

Abstract: The invention relates to a device for discharging liquid from a tank, having a line section which is formed on a tank-side end region for a fluid connection with the tank and which line section comprises a discharge opening on a discharge-side end region lying opposite the tank-side end region, a feed unit for gas which is provided on the line section and via which gas can be introduced into the line section, a line shut-off valve for shutting off the line section and which is provided on the line section between the tank-side end region and the discharge-side end region, and a residue removal line which branches off at a branch-off from the line section and runs at a run-in back into the line section, whereby the branch-off is arranged between the tank-side end region and the line shut-off valve on the line section, and whereby the run-in is arranged between the line shut-off valve and the discharge-side end region.

Abstract: The invention relates to a method and a sensor for determining the hydrocarbon dew point in a gas, in particular in a gaseous fuel. According to the invention a roughened condensation surface is provided on a planar measurement surface of a transparent body. Light is shone onto the roughened condensation surface through the transparent body and the intensity of the light reflected back into the transparent body is measured. The hydrocarbon dew point temperature can be inferred from changes in the intensity of the light which is reflected back when heating or cooling the condensation surface.

Abstract: An apparatus relates to an approach warning system for detecting when a person approaches an object which has a metal outer structure at least in regions.

Abstract: The invention relates to a device for detecting an amount while receiving and/or discharging a fluid having a gas portion comprising a measurement line for conducting the fluid, a flow measuring unit for the fluid, which is in fluid connection with the measurement line, a degree of filling measuring unit for the fluid, which is in fluid connection with the measurement line and which comprises an electrode arrangement for determining electrical properties of the fluid present in the measurement line, and an evaluation unit for determining the fluid amount conveyed which is in a signal connection with the degree of filling measuring unit and the flow measuring unit. According to the invention it is provided that the electrode arrangement of the degree of filling measuring unit has a plurality of electrode plates which form a plate stack in the region of the measurement line.

Abstract: The invention relates to a method and a sensor for determining the hydrocarbon dew point in a gas, in particular in a gaseous fuel. According to the invention a roughened condensation surface is provided on a planar measurement surface of a transparent body. Light is shone onto the roughened condensation surface through the transparent body and the intensity of the light reflected back into the transparent body is measured. The hydrocarbon dew point temperature can be inferred from changes in the intensity of the light which is reflected back when heating or cooling the condensation surface.

Abstract: A network filter for connecting a converter to a 3-phase supply network includes in each phase a toroidal inductor which is connected in series with a commutation inductor at a respective first connection point, and a capacitor circuit having at least four capacitances, wherein first terminals of a first, a second and a third capacitance is connected in one-to-one correspondence to a respective one of the first connection points. Second terminals of the first, second and third capacitance are connected at a common second connection point, with a fourth capacitance being connected between ground and the common second connection point. The windings of the toroidal inductors can be formed of the connecting lines which connect the corresponding first terminals to the three phases of the supply network.

Abstract: The invention relates to a method for transferring a liquid having a gas inclusion at least at times and for determining the amount of liquid transferred, in which the liquid is conveyed through a line, a degree of filling measurement is carried out in the line, a flow measurement is carried out in the line and a calculation, in particular multiplication, is performed on the result of the degree of filling measurement and the result of the flow measurement, whereby a conveyed amount value is obtained. It is thereby provided that the conveyed amount value, which is obtained by performing a calculation on the result of the degree of filling measurement and the result of the flow measurement, is corrected with a value which takes into consideration a dissolution of the gas inclusion in the liquid, whereby a corrected conveyed amount value is obtained, and the corrected conveyed amount value is used as a measure for the liquid amount transferred.

Abstract: The invention relates to a method for determining an amount during the transfer of a liquid, wherein the liquid is introduced at a supply opening into a measurement line and is removed from the measurement line at an outlet opening, and an amount of liquid flowing through the measurement line is determined by means of a flow measuring unit assigned to the measurement line. According to the invention, liquid present in the measurement line is discontinuously fed to a degassing arrangement. The invention further relates to a device for determining an amount during the transfer of a liquid.

Abstract: The invention relates to a device for detecting an amount while receiving and/or discharging a fluid having a gas portion comprising a measurement line for conducting the fluid, a flow measuring unit for the fluid, which is in fluid connection with the measurement line, a degree of filling measuring unit for the fluid, which is in fluid connection with the measurement line and which comprises an electrode arrangement for determining electrical properties of the fluid present in the measurement line, and an evaluation unit for determining the fluid amount conveyed which is in a signal connection with the degree of filling measuring unit and the flow measuring unit. According to the invention it is provided that the electrode arrangement of the degree of filling measuring unit has a plurality of electrode plates which form a plate stack in the region of the measurement line.

Abstract: The invention relates to a device for discharging liquid from a tank, having a line section which is formed on a tank-side end region for a fluid connection with the tank and which line section comprises a discharge opening on a discharge-side end region lying opposite the tank-side end region, a feed unit for gas which is provided on the line section and via which gas can be introduced into the line section, a line shut-off valve for shutting off the line section and which is provided on the line section between the tank-side end region and the discharge-side end region, and a residue removal line which branches off at a branch-off from the line section and runs at a run-in back into the line section, whereby the branch-off is arranged between the tank-side end region and the line shut-off valve on the line section, and whereby the run-in is arranged between the line shut-off valve and the discharge-side end region.

Abstract: The invention relates to an approach warning system for detecting when a person approaches an object which has a metal outer structure at least in regions.

Abstract: The invention relates to a device for determining the dew point temperature of a measurement gas, having a light guide, a condensation surface located on the light guide and whose reflectivity is dependent on the condensation of the measurement gas, a light source for emitting light through the light guide onto the condensation surface, a light sensor for determining the light intensity reflected back into the light guide by the condensation surface and means for adjusting the temperature of the condensation surface, which has a semihydrophobic construction.

Abstract: The invention relates to a device for determining the degree of filling of a fluid in a measuring chamber, with a measuring chamber wall surrounding the measuring chamber and at least two planar electrodes arranged in facing manner in the vicinity of the measuring chamber wall in the measuring chamber. The measuring chamber wall is constructed in electrically insulating manner in insulation areas, which are connected to the two electrodes and surround the same in planar manner.

Abstract: The invention relates to a sensor unit for an apparatus for preventing condensation of a gas, particularly water vapour, on a surface of an object, with a temperature measuring device for measuring an object temperature, with a dew point determination device for determining a dew point temperature of the gas in an atmosphere surrounding the object and with a regulating and control device operatively connected to the temperature measuring device and the dew point determination device and with which an adjusting device for increasing a temperature difference between the object temperature and the dew point temperature is controllable as a function of the data obtained by the temperature measuring device and the dew point determination device in such a way that a lowering of the object temperature to or below the dew point temperature is prevented.

Abstract: The invention relates to a device for fiber optic temperature measurement with an optical fiber having a radiation coupling in area and a detector-associated radiation coupling out area. Such a device is characterized in that the optical fiber is constructed with high transmission in the infrared (IR) spectral range, particularly in the range from approximately 2 ?m to approximately 20 ?m.

Abstract: The invention relates to a method and device for determining the quantity of fluid discharged from a tank via a line system. To this end, the difference between the quantity of fluid contained inside the tank before fluid discharge and the quantity of fluid remaining inside the tank after fluid is discharged is calculated. In addition, a measuring device measures the quantity of fluid, which is contained inside the line system and which is taken into consideration when determining the discharged quantity of fluid.