Abstract: A circuit arrangement includes a preprocessing circuit configured to obtain context information related to a user location, a learning circuit configured to determine a predicted user movement based on context information related to a user location to obtain a predicted route and to determine predicted radio conditions along the predicted route, and a decision circuit configured to, based on the predicted radio conditions, identify one or more first areas expected to have a first type of radio conditions and one or more second areas expected to have a second type of radio conditions different from the first type of radio conditions and to control radio activity while traveling on the predicted route according to the one or more first areas and the one or more second areas.

Abstract: The invention relates to a spindle drive device comprising a spindle provided with an external thread, a thread engagement element which is in threaded engagement with the external thread of the spindle, a drive assembly having a drive unit which is configured to drive the spindle or the thread engagement element, wherein the spindle or the thread engagement element is connected to at least one connection unit for connecting the spindle drive device to a superordinate assembly that is not part of the spindle drive device. According to the invention, it is provided that the spindle is a trapezoidal thread spindle made of carbon steel and is heat-treated by means of at least one thermochemical method.

Abstract: A magnetic resonance tomography unit includes a magnet unit having a magnetic controller for generating a homogenous magnetic field. The magnetic controller is configured to change the homogenous magnetic field in a short, predetermined time within image acquisition of an object under examination, such that a Larmor frequency for a predetermined layer of the object under examination remains in a predetermined frequency range. A layer in the object under examination is selected and a value for the homogenous magnetic field, in which the Larmor frequencies of the nuclear spins of the layer lie in a predetermined frequency band, is determined by a control unit taking into account a predetermined magnetic field gradient. The established value for the homogenous magnetic field and the predetermined magnetic field gradient is set by the magnetic controller, and an excitation pulse, frequencies of which only lie in the predetermined frequency band, is emitted.

Abstract: A method for processing a screw body, including a screw body providing step in which a screw body made of a hardenable steel is provided, a primary coating step, in which the screw body is coated with a primary coating that includes zinc, wherein the primary coating step follows the screw body providing step, and a tip hardening step, in which a tip region of the screw body, which is coated with the primary coating, is selectively heated, at least in part and with the ad-mission of oxygen, to a temperature required for hardening, characterized in that the tip hardening step follows the primary coating step. A screw that can be obtained using this method is also provided.

Abstract: An electrohydraulic system having an adjustment device for a valve includes a drive apparatus, a control apparatus, and a preloading apparatus. In the event of a fault, the energy stored in the preloading apparatus can be transferred to the control apparatus such that a rotational motion of the control apparatus begins, which leads to the adjustment of the valve. The preloading apparatus comprises at least one elastic element, which is arranged adjacent to a control shaft of the control apparatus, is stationarily connected to the control shaft, and applies a torque to the control shaft.

Abstract: A crank device or crank drive is disclosed which has a crankshaft, into which a variable first force can be introduced by way of a transmission element over a variable first lever spacing. Here, the first variable force has a predefined profile and/or predefined change. A profile of the first variable lever spacing is designed in a manner which is dependent on the predefined profile of the first variable force in such a way that an effect of change in the first variable force on the crankshaft is at least partially compensated for. The compensation is provided over a rotational range of the crankshaft, which is preferably less than one revolution of the crankshaft.

Abstract: A vibration damper for a vehicle may include an outer tube, a middle tube, and an inner tube arranged coaxially. A seal receiving element may be arranged between the inner tube and the middle tube on each side of a middle tube opening facing towards tube ends of the middle tube. A radially encircling sealing element may be arranged in the seal receiving element, and the sealing element may seal the middle tube compensation space relative to the outer tube compensation space at least with respect to damping medium. The seal receiving element may be configured at least partially as a coating element. The coating element may be disposed on the inner tube or the middle tube in a substance-to-substance bonded manner.

Abstract: A controllable vibration damper includes a damping force control system, having a damper housing tube. The damper is at least partially filled with a damping medium. A damping valve for damping force control is arranged on and fluidly connected to the damper housing tube. The damper housing tube has an inner tube, which is inserted into the tubular damper housing via a bottom valve element. The vibration damper has a piston rod, which can be moved longitudinally in the inner tube and has a working piston.

Abstract: An air flap device having: an air flap carrier with an air passage opening through which air can flow, a plurality of air flaps, wherein each of these air flaps protrudes at least into the air passage opening and is received on the air flap carrier for operative movement, wherein each of these air flaps is movable between a first and a second operating position assigned thereto, wherein, for each of these air flaps a covering of the air passage opening by this air flap is greater in the second operating position assigned thereto than in the first operating position assigned thereto, wherein the plurality of air flaps includes at least one sensing air flap, a coupling device, wherein the coupling device couples the at least one sensing air flap to at least one other air flap of the plurality of air flaps for joint movement, and a blocking component assigned to the at least one sensing air flap, wherein the blocking component is displaceable between a release position in which it permits movement of the cou

Abstract: A system filled with a fluid, designed for underwater applications, in which the interior of a housing and/or tank forms a fluid region which is sealed with respect to the surrounding seawater region, includes at least one hydraulic pressure compensation device, which at least raises the pressure level of the fluid region to the ambient pressure prevailing in the seawater region. The pressure compensation device is constructed in two stages in such a way that at least one store having a flexible wall region and at least one piston store having a displaceable piston are arranged in series. The use of the pressure compensation device to pressurize at least one housing filled with fluid for a hydraulic actuating shaft is also proposed.

Abstract: A battery device for a medical instrument for supplying electric energy to instrument-internal electric equipment, preferably an electric motor, having: an electronic controller which is integrally formed with the battery for actuating the entire instrument-internal electric equipment, preferably on the basis of actuation signals from an operator; a plurality of functions including a corresponding sensor system; and an integrated intelligence at least consisting of a protection circuit, a motor controller, and a wireless communication interface.

Abstract: An article of cleated footwear includes an outsole plate and an upper. The outsole plate includes a rigid first member and a second rigid member. The first rigid member extends substantially along the length of the outsole, and the rigid second member is attached to the first member. The first member and/or the second member has a ground-engaging profile. The upper is attached to the first member.

Abstract: The present invention relates to a method of producing fatty acid alkyl ester from an organic oil source containing at least one free fatty acid, wherein the oil source has an acid number of at least 30 mg KOH/g oil source and wherein the method comprises the steps of a) reacting the oil source with glycerol at a temperature, which does not exceed 180° C. during the reaction, in the presence of a catalyst comprising at least one alkyl or aryl sulfonic acid or an homoanhydride thereof; and b) transesterification of the reaction product from step a) with an alkanol; and c) isolating the fatty acid alkyl ester from the reaction product of step b).

Abstract: A computer program product and to a method for compensating thermal errors in a mechanical process, the mechanical process in particular provided by a mechanical device such as a coordinate measuring machine, a tooling machine or an articulated robot arm. Thermal errors arise due to thermal disturbances affecting the mechanical process, wherein thermal disturbances may arise from environmental influences affecting the mechanical process or from internally generated changing temperature distributions.

Abstract: An article of cleated footwear includes an outsole plate and an upper. The outsole plate includes a rigid first member and a second rigid member. The first rigid member extends substantially along the length of the outsole, and the rigid second member is attached to the first member. The first member and/or the second member has a ground-engaging profile. The upper is attached to the first member.

Abstract: The present invention relates to a laboratory device, wherein the laboratory device has an outer housing which defines an interior of the device, wherein the laboratory device is designed to assume an operating state at which a pressure in the interior of the device is lower than an ambient pressure in the environment of the laboratory device. The present invention also relates to the use of the laboratory device in a clean room.

Abstract: An air flap arrangement including an air flap carrier with an air outlet opening, where at the air flap carrier there are mounted movably a plurality of air flaps which project into the air outlet opening, where each air flap is adjustable between a blocked operating position and an opened operating position, where each two air flaps directly adjacent in the sequential direction are linked by one linking component for joint movement, where the air flap arrangement having a movement drive which is linked with a driving air flap for the transmission of driving force, where a first operating position out of the blocked operating position and the opened operating position is defined by a first end-stop arrangement which during specified normal operation impedes movement beyond the first operating position of a first control air flap arranged at a distance from the driving air flap for changing the flow-through cross-sectional area of the air outlet opening; only the first control air flap directly and a first gro

Abstract: An air-flap apparatus, encompassing an air-flap carrier having an air passage opening that is flowthrough-capable for air; at least three air flaps, each of which projects at least into the air passage opening and is received on the air-flap carrier movably between two operating positions with different degrees of coverage of the air passage opening; a coupling apparatus that couples the plurality of air flaps for movement together between their operating positions; and an air-flap drive system having an output member that is coupled to the at least three air flaps; the coupling apparatus includes an inner lever arrangement having at least one first lever, each first lever coupling exactly two air flaps associated with it for movement together between their operating positions; and that the coupling apparatus includes an outer lever arrangement having at least one second lever, each second lever coupling either a first lever and a single air flap not directly connected to the first lever, or two first levers,

Abstract: An electrohydraulic system having an adjustment device for a valve includes a drive apparatus, a control apparatus, and a preloading apparatus. In the event of a fault, the energy stored in the preloading apparatus can be transferred to the control apparatus such that a rotational motion of the control apparatus begins, which leads to the adjustment of the valve. The preloading apparatus comprises at least one elastic element, which is arranged adjacent to a control shaft of the control apparatus, is stationarily connected to the control shaft, and applies a torque to the control shaft.

Abstract: A vibration damper for a vehicle may include an outer tube, a middle tube, and an inner tube arranged coaxially. A seal receiving element may be arranged between the inner tube and the middle tube on each side of a middle tube opening facing towards tube ends of the middle tube. A radially encircling sealing element may be arranged in the seal receiving element, and the sealing element may seal the middle tube compensation space relative to the outer tube compensation space at least with respect to damping medium. The seal receiving element may be configured at least partially as a coating element. The coating element may be disposed on the inner tube or the middle tube in a substance-to-substance bonded manner.