Abstract: The invention provides a device and a method for contact-connecting an electric vehicle to a charging station and to a corresponding charging station. The electric vehicle can be contact-connected to the charging station by automatically lowering contact elements of the electric vehicle onto corresponding contact pads of the charging station. There is provision for additional measurement contacts in order to check reliable contact-connection of the electric vehicle to the charging station. These measurement contacts can be used to check reliable contact-connection of the connections of the electric vehicle to the contact pads of the charging station before the charging process is approved.

Abstract: The invention concerns an optical monitoring system for the measurement of layer thicknesses of thin coatings applied in a vacuum, particularly on moving substrates, during the coating process, in which the light intensity of the light of a light source injected into a reference light guide and released by a first piezoelectric or electrostrictive or magnetostrictive light chopper is registered by a light detector unit in a reference phase, the light of the light source in a measuring phase is injected into a first measuring light guide and the light released by a second piezoelectric or electrostrictive or magnetostrictive light chopper is directed to the substrate, and the light intensity of the light reflected or transmitted from the substrate is registered by the light detector unit through a second measuring light guide, and a remaining light intensity is registered by the light detector unit in at least one dark phase, wherein the reference phase, the measuring phase, and the dark phase are shifted in t

Abstract: A valve for a cold gas generator for an airbag in a vehicle includes: a valve chamber; a control chamber; a control piston; an overflow channel; a retaining element; and a shutoff element. The valve chamber includes an inlet from the cold gas generator and an outlet to the airbag. The control piston separates the control chamber and the valve chamber. The control piston is movable between an open position and a closed position, the control piston releasing the outlet in the open position and closing it in the closed position. The control piston has (i) a first active piston surface on the side of the valve chamber, and (ii) a second active piston surface on the side of the control chamber. The first piston surface is smaller than the second piston surface. The overflow channel fluidically connects the valve chamber and the control chamber to one another.

Abstract: An activation device for a protection device includes: a body with a chamber that has, respectively at first and second ends, a medium inlet opening to a medium storage and a valve opening, and an outlet opening for discharging the medium into the protection device between the first and second ends; a valve for opening and closing the valve opening for passage of the medium; and a piston that (a) includes a passage along a main extension axis, from a first surface thereof adjacent to the medium inlet opening, to a second surface thereof, larger than the first surface and adjacent to the valve opening, and (b) is movable in the chamber by the medium and as a function of the control valve position between a position in which the at least one outlet opening is closed and a position in which the at least one outlet opening is opened.

Abstract: A valve for a cold gas generator for an airbag in a vehicle includes: a valve chamber; a control chamber; a control piston; an overflow channel; a retaining element; and a shutoff element. The valve chamber includes an inlet from the cold gas generator and an outlet to the airbag. The control piston separates the control chamber and the valve chamber. The control piston is movable between an open position and a closed position, the control piston releasing the outlet in the open position and closing it in the closed position. The control piston has (i) a first active piston surface on the side of the valve chamber, and (ii) a second active piston surface on the side of the control chamber. The first piston surface is smaller than the second piston surface. The overflow channel fluidically connects the valve chamber and the control chamber to one another.

Abstract: An activation device for a protection device includes: a body with a chamber that has, respectively at first and second ends, a medium inlet opening to a medium storage and a valve opening, and an outlet opening for discharging the medium into the protection device between the first and second ends; a valve for opening and closing the valve opening for passage of the medium; and a piston that (a) includes a passage along a main extension axis, from a first surface thereof adjacent to the medium inlet opening, to a second surface thereof, larger than the first surface and adjacent to the valve opening, and (b) is movable in the chamber by the medium and as a function of the control valve position between a position in which the at least one outlet opening is closed and a position in which the at least one outlet opening is opened.

Abstract: A winding device for producing a field coil including a double-layer multiple-circuit winding for an electric motor includes a drive. The drive is configured to operate upon a winding mandrel with multiple lamellas arranged to be swung radially outwardly and inwardly by the drive in order to produce the double-layer multiple-circuit winding as a plurality of winding stacks that are arranged in separate slots and electrically connected in series, in parallel or both. At least two axially-separated winding stacks can be produced at the same time by the drive.

Abstract: The invention concerns an optical monitoring system for the measurement of layer thicknesses of thin coatings applied in a vacuum, particularly on moving substrates, during the coating process, in which the light intensity of the light of a light source injected into a reference light guide and released by a first piezoelectric or electrostrictive or magnetostrictive light chopper is registered by a light detector unit in a reference phase, the light of the light source in a measuring phase is injected into a first measuring light guide and the light released by a second piezoelectric or electrostrictive or magnetostrictive light chopper is directed to the substrate, and the light intensity of the light reflected or transmitted from the substrate is registered by the light detector unit through a second measuring light guide, and a remaining light intensity is registered by the light detector unit in at least one dark phase, wherein the reference phase, the measuring phase, and the dark phase are shifted in t

Abstract: The invention relates to a winding device for producing a field coil (30) for an electric machine, especially a field coil (30) having a double-layer multiple-circuit winding, the field coil being formed by a plurality of winding stacks (31a, 32a, 33a . . . 31j, 32j, 33j) that are connected in series and/or in parallel. The inventive device is characterized by a winding mandrel (10) on which at least two axially spaced-apart winding stacks (31a, 32a, 33a) can be produced at the same time.

Abstract: In a method for measuring the injection quantity of injection systems, in particular for motor vehicles and in particular in production testing, an injection system injects a testing fluid into a measuring chamber. A detection device detects a movement of a piston, which at least partially defines the measuring chamber. This detection device generates a corresponding measurement signal. In order to increase the precision of the calculation of the injected testing fluid mass, the invention proposes that the pressure of the testing fluid in the measuring chamber be detected and that the measurement signal be processed taking into account the detected pressure.

Abstract: A method and device for checking keyless vehicle access authorization of an operator. The method includes transmitting a code signal from a base station to a mobile identification (ID) transmitter carried by the operator. In response to receiving the code signal, the ID transmitter performs an action which is indicative of a reply signal that is detectable by the base station. The difference of a signal characteristic between a reference code signal monitored at the base station and the reply signal received by the base station is then determined. The signal characteristic correlates with signal propagation time and changes as a function of the distance between the base station and the ID transmitter. The distance between the base station and the ID transmitter is then determined on the basis of a relative determination based on the difference of the signal characteristic between the reference code signal and the reply signal.

Abstract: In a method for measuring the injection quantity of injection systems (32, 33), in particular for motor vehicles and in particular in production testing, an injection system (32, 33) injects a testing fluid into a measuring chamber (45). A detection device (68) detects a movement of a piston (40), which at least partially defines the measuring chamber (45). This detection device (68) generates a corresponding measurement signal (sm). In order to increase the precision of the calculation of the injected testing fluid mass, the invention proposes that the pressure (p) of the testing fluid in the measuring chamber (45) be detected and that the measurement signal (sm) be processed (80) taking into account the detected pressure (p).

Abstract: An apparatus (10) for measuring the injection quantity of injection systems (32), in particular for internal combustion engines in motor vehicles and especially in production testing, includes a measurement chamber (45). A connecting device (28) is also provided, by which at least one injection system (32) can be made to communicate with the measurement chamber (45) in pressuretight fashion. A piston (40) is passed through a wall of the measurement chamber (45). A detection device (58) is also provided, with which a motion of the piston (40) can be detected. To increase the measurement accuracy of the apparatus (10), it is proposed that the detection device (58) function in noncontacting fashion.

Abstract: A device (10) serves to measure the injection quantity of injection systems (16), in particular for motor vehicles, and in particular in production testing. The device (10) includes a measuring chamber (14), and a coupling device by which at least one injection system (16) can be coupled to the measuring chamber (14) in pressureproof fashion. The device (10) further includes a piston (26), which is held displaceably in a guide device (18) and regionally defines the measuring chamber (14). Finally, a sensor (50) is also provided, which upon an injection by the injection system (16) detects a displacement of the piston (26). To increase the measurement precision, it is proposed that the piston (26) be at least essentially closed and be hollow in its interior.

Abstract: A keyless security entry control method and system for motor vehicles includes transmitting respective coded signals from at least two transmitters. The transmitted coded signals overlap within the motor vehicle and are separated outside of the motor vehicle. The coded signals are then received from the at least two transmitters with an identification (ID) transmitter. The position of the ID transmitter with respect to the motor vehicle is then determined from the received coded signals. The position of the ID transmitter is determined to be inside of the motor vehicle if the ID transmitter receives at least two coded signals and is determined to be outside of the motor vehicle if the ID transmitter receives only one coded signal. An action signal indicative of an action to be performed is transmitted from a transceiver device. In response to the ID transmitter receiving the action signal it is determined whether the position of the ID transmitter enables the ID transmitter to perform the action.