Abstract: Disclosed is a semiconductor wafer including a test structure. The test structure includes a pad arrangement arranged above a kerf region of a semiconductor wafer. The pad arrangement includes: contact pads arranged in series in a first direction; and two alignment pads arranged in series with the contact pads in the first direction such that the contact pads are arranged between the two alignment pads. Each of the contact pads comprises a metal. Each of the alignment pads is different from each of the contact pads and is configured to be irreversibly deformed when coming into contact with a probe needle.

Abstract: The invention relates to a scroll-type positive displacement machine, in particular a scroll compressor, comprising a highpressure chamber (11), a low-pressure chamber (12), an orbiting displacement spiral (13), a counter spiral (14), and a counterpressure chamber (15) which is located between the low-pressure chamber (12) and the displacement spiral (13), wherein an outlet opening (16), through which a compressed working medium flows into the high-pressure chamber (11) during operation, is centrally arranged in the counter spiral (14) in a high-pressure region, and wherein the displacement spiral (13) has at least a first and a second passage opening (17a, 17b) for fluidic connection to the counter-pressure chamber (15), wherein at least the first passage opening (17a) is arranged in the region of the outlet opening (16) so that, during operation, the first passage opening (17a) and the outlet opening (16) temporarily overlap at least in sections.

Abstract: A method for operating a vehicle seat device for motor vehicles, which has a vehicle seat with a seat part and a backrest, associated with the seat part, and at least one actuator which is associated with the seat part and/or the backrest and by means of which the vehicle seat can be brought automatically into a sitting position and into a reclining position, wherein the movement takes place as a function of a desired position that can be specified by a user and of at least one detectable vehicle seat state. It is provided that a current temperature is monitored as the vehicle seat state and that if the monitored temperature falls below a limit temperature, the vehicle seat is brought into a sitting position or left in a current sitting position regardless of the desired position.

Abstract: The invention relates to a refrigerant compressor for mobile applications, having a compressor section and a motor section, wherein variable compression chambers are formed in the compressor section in order to receive and compress a refrigerant flowing through a working medium circuit, and wherein a brushless electric motor is arranged in the motor section, which comprises a stator and a rotor which is drive-connected to the compressor section. The invention is characterized in that the stator and the rotor are separated from one another in a fluid-tight and/or gas-tight manner by a separating can.

Abstract: The invention relates to a positive displacement machine working according to the spiral principle, in particular a scroll compressor, comprising a compressor section and a motor section, wherein an orbiting displacement spiral and a counter spiral are arranged in the compressor section, which engage into one another in such a way that variable compression chambers are formed between the displacement spiral and the counter spiral in order to receive and compress a working medium flowing through a working medium circuit, wherein an electric motor is arranged in the motor section, which is drive-connected to the displacement spiral, and wherein a cooling device is provided for cooling the electric motor. The invention is characterized in that the cooling device is independent of the working medium circuit.

Abstract: A scroll compressor for generating oil-free compressed air, in particular for a compressed air brake system of a lorry, with a drive which is arranged in a housing and is connected to an orbiting displacer scroll which has a displacer scroll bottom and a displacer scroll wall. The displacer scroll wall engages into a stationary mating scroll, with the result that at least one variable compression chamber is formed between the displacer scroll and the mating scroll. A seal element is provided between the displacer scroll and the housing wherein the seal element is fastened in the displacer scroll bottom and seals against a sliding plate which is connected fixedly to the housing. A compressed air brake system with a scroll compressor of this type.

Abstract: The disclosure relates to a valve assembly and a method for controlling the air suspension level of a rail vehicle. A system is provided, which is constructionally simple to build and easy to parameterise, for controlling the air suspension level of a rail vehicle. The object of the disclosure is achieved by a valve assembly for controlling the air suspension level of a rail vehicle, comprising a proportional directional valve, a sensor means for continuously detecting a distance variable representing the distance of a carriage body from a chassis or bogie of the rail vehicle, and a digital control device, wherein the control device is designed to be programmable for determining a control deviation based on the actual distance detected by the sensor means and a comparison with a predefinable target distance, and for continuously generating control variables as a linear function of the determined control deviation and the carriage body travelling speed.

Abstract: A balancing mechanism for a positive displacement machine, in particular a scroll compressor, wherein the balancing mechanism includes a drive shaft, a first balancing element and a second balancing element. The first balancing element includes a cylindrical hub section and a first force transmission section and is rotatably in contact with the drive shaft via a first axis of rotation. The second balancing element is rotatably in contact with the drive shaft via a second axis of rotation. A center axis S of the drive shaft and a center axis C of the cylindrical hub section are arranged on a first reference line CS, and a center of gravity J of the first balancing element and a center of gravity K of the second balancing element are arranged on a different side of the first reference line CS than a center axis P of the first axis of rotation.

Abstract: A scroll compressor for generating oil-free compressed air, in particular for a compressed air brake system of a lorry, with a drive which is arranged in a housing and is connected to an orbiting displacer scroll which has a displacer scroll bottom and a displacer scroll. The displacer scroll wall engages into a stationary mating scroll, with the result that at least one variable compression chamber is formed between the displacer scroll and the mating scroll. A seal element is provided between the displacer scroll and the housing wherein the seal element is fastened in the displacer scroll bottom and seals against a sliding plate which is connected fixedly to the housing. A compressed air brake system with a scroll compressor of this type.

Abstract: The invention relates to a scroll-type positive displacement machine, in particular a scroll compressor, comprising a highpressure chamber (11), a low-pressure chamber (12), an orbiting displacement spiral (13), a counter spiral (14), and a counterpressure chamber (15) which is located between the low-pressure chamber (12) and the displacement spiral (13), the displacement spiral (13) engaging in the counter spiral (14) in such a way that, during operation, at least a first and a second compression chamber (16a, 16b) for receiving a working medium are temporarily formed, and the displacement spiral (13) having at least one passage opening (17) for fluidic connection to the counter-pressure chamber (15), wherein the passage opening (17) is located in the displacement spiral (13) in such a manner that, during operation, due to the orbiting movement of the displacement spiral (13), at least sections of the passage opening (17) are temporarily arranged in the first compression chamber (16a) and subsequently at le

Abstract: A valve assembly includes a proportional valve having an opening cross section that can be continuously varied by an actuator; a sensor for sensing the valve output pressure; a digital regulating device; and a switching valve disposed parallel to the proportional valve. The opening cross section of the switching valve is smaller than the maximum opening cross section of the proportional valve. The regulating device is programmed (i) to automatically calculate, at runtime, using the currently given valve output pressure and the current position of the actuator, the maximum working pressure achievable at the maximum opening of the proportional valve with the valve, (ii) and to additionally open the switching valve when the computed maximum achievable working pressure falls below a predefinable target working pressure by a definable deviation value.

Abstract: A balancing mechanism for a positive displacement machine, in particular a scroll compressor, wherein the balancing mechanism includes a drive shaft, a first balancing element and a second balancing element. The first balancing element includes a cylindrical hub section and a first force transmission section and is rotatably in contact with the drive shaft via a first axis of rotation. The second balancing element is rotatably in contact with the drive shaft via a second axis of rotation. A center axis S of the drive shaft and a center axis C of the cylindrical hub section are arranged on a first reference line CS, and a center of gravity J of the first balancing element and a center of gravity K of the second balancing element are arranged on a different side of the first reference line CS than a center axis P of the first axis of rotation.

Abstract: The invention relates to a scroll-type positive displacement machine, in particular a scroll compressor, comprising a highpressure chamber (11), a low-pressure chamber (12), an orbiting displacement spiral (13), a counter spiral (14), and a counterpressure chamber (15) which is located between the low-pressure chamber (12) and the displacement spiral (13), the displacement spiral (13) engaging in the counter spiral (14) in such a way that, during operation, at least a first and a second compression chamber (16a, 16b) for receiving a working medium are temporarily formed, and the displacement spiral (13) having at least one passage opening (17) for fluidic connection to the counter-pressure chamber (15), wherein the passage opening (17) is located in the displacement spiral (13) in such a manner that, during operation, due to the orbiting movement of the displacement spiral (13), at least sections of the passage opening (17) are temporarily arranged in the first compression chamber (16a) and subsequently at le

Abstract: The invention relates to a scroll-type positive displacement machine, in particular a scroll compressor, comprising a highpressure chamber (11), a low-pressure chamber (12), an orbiting displacement spiral (13), a counter spiral (14), and a counterpressure chamber (15) which is located between the low-pressure chamber (12) and the displacement spiral (13), wherein an outlet opening (16), through which a compressed working medium flows into the high-pressure chamber (11) during operation, is centrally arranged in the counter spiral (14) in a high-pressure region, and wherein the displacement spiral (13) has at least a first and a second passage opening (17a, 17b) for fluidic connection to the counter-pressure chamber (15), wherein at least the first passage opening (17a) is arranged in the region of the outlet opening (16) so that, during operation, the first passage opening (17a) and the outlet opening (16) temporarily overlap at least in sections.

Abstract: The invention relates to a heating/cooling system for a vehicle, in particular for an electric or hybrid vehicle, comprising components, in particular a compressor (10), a condenser (11), and expansion device (12), and an evaporator (13) which are fluidically connected together in order to form a fluid circuit. The invention is characterized by a holding element (14) with a wall structure (15) which has at least one through-opening (16). At least two components are arranged on opposite sides of the wall structure (15) and are mechanically connected to the wall structure (15), wherein the two components are directly fluidically connected together by the through-opening (16) in order to form a fluid passage. The invention additionally relates to a holding element for such a heating/cooling system.

Abstract: A lower leg support device for a vehicle seat, with a bracket and with a lower leg support displaceably arranged on the bracket, which can be moved between a non-use position and a use position upstream in longitudinal extension, wherein the lower leg support has at least two support parts which are moveable relative to each other to increase or reduce a lower leg support surface of the lower leg support. It is provided that the support parts can be moved transversely to the longitudinal extension to each other in order to increase or reduce the width of the lower leg support surface.

Abstract: The invention relates to a thermally activatable reactive adhesive film comprising a carrier film made of thermoplastic polyurethane, which is coated on at least one side with a latently reactive, thermally activatable adhesive compound.

Abstract: A valve assembly includes a proportional valve having an opening cross section that can be continuously varied by an actuator; a sensor for sensing the valve output pressure; a digital regulating device; and a switching valve disposed parallel to the proportional valve. The opening cross section of the switching valve is smaller than the maximum opening cross section of the proportional valve. The regulating device is programmed (i) to automatically calculate, at runtime, using the currently given valve output pressure and the current position of the actuator, the maximum working pressure achievable at the maximum opening of the proportional valve with the valve, (ii) and to additionally open the switching valve when the computed maximum achievable working pressure falls below a predefinable target working pressure by a definable deviation value.

Abstract: The invention relates to a displacement machine according to the spiral principle, in particular a scroll compressor or scroll expander, with a high-pressure chamber, a low-pressure chamber and an orbiting displacement spiral, which engages in a counter-spiral such that chambers are formed between the displacement spiral and the counter-spiral for receiving a working medium, wherein a counter-pressure chamber is formed between the low-pressure chamber and the displacement spiral. According to the invention a pressure regulating device which is fluidically connected to the counter-pressure chamber sets a pressure difference between the counter-pressure chamber and the low-pressure chamber by means of a set value specified by the computing unit.

Abstract: The disclosure relates to a device and a method for controlling the throughflow of blow-molding fluid during the blow molding of containers. It is the intention to provide a control device and a control method which permit a controlled or defined growth and a defined propagation of the container bubble formed by the expanding preform in the pre-blowing phase of the blow molding process without the specification of a specific setpoint value profile or of a setpoint value curve.