Abstract: The invention relates to a security barrier for stopping a vehicle, comprising a base (2) which is designed to lie on the ground, a frame (3) which extends above the base (2) and is designed to absorb the impact of the vehicle, and a pair of loading structures (4) which are designed to connect the frame (3) to the base, wherein each loading structure (4) comprises a spur (14) which is designed to contact the ground from the side opposite the impact of the vehicle and which is connected to the base (2) by means of at least one hinge (22) that has an axis (A), said axis sliding relative to the loading structure (4) in a direction which is inclined downwards from the frame (3) to the spur (14).

Abstract: A workstation (1) of a two-for-one twisting or cabling machine which comprises a rotatably mounted spindle (2) and a balloon-yarn-guide-eye (9) height-adjustable by means of a drive (18, 29) coupled to a control device (20) which controls the drive (18, 29) in such a manner that it displaces the balloon-yarn-guide-eye (9) between operating positions (AP1, AP2) dependent upon production parameters and a resting position (RS) advantageous in the case of production interruptions and transient operating phases associated with the latter. A device (21, 23, 24, 25) is present for detecting a measured value (i), which is made available to the control device (20) and which causes the control of the drive (18, 29) to change the position of the balloon-yarn-guide-eye (9).

Abstract: A sound absorbing guard rail system for installation at a lateral or median side of a road, the guard rail system having a series of supporting posts, that are preferably vertically oriented, at least one noise absorbing panel that can be mounted to the supporting posts, and a series of longitudinal guard rails mounted on the side of the guard rail system facing the road. The noise absorbing panel comprise a noise absorbing material which is encased in an energy absorbing material provided with openings.

Abstract: A method for operating a spindle (2) of a two-for-one twisting or cabling machine which has an adjustable balloon-yarn-guide-eye (9), wherein for the operation of the spindle (2) under production conditions, the balloon-yarn-guide-eye (9) is adjusted, on the basis of a measured value (i) correlating with the energy consumption of the spindle drive (3), to a first operating position (AP1), in which a position-dependent minimum of the energy consumption of the spindle drive (3) is reached.

Abstract: A method for operating a spindle (2) of a two-for-one twisting or cabling machine which comprises an adjustable balloon-yarn-guide-eye (9), wherein for the operation of the spindle (2) under production conditions, the balloon-yarn-guide-eye (9) is adjusted, on the basis of a measured value (i) correlating with the energy consumption of the spindle drive (3), to a first operating position (AP1), in which a position-dependent minimum of the energy consumption of the spindle drive (3) is reached.

Abstract: A workstation (1) of a two-for-one twisting or cabling machine which comprises a rotatably mounted spindle (2) and a balloon-yarn-guide-eye (9) height-adjustable by means of a drive (18, 29) coupled to a control device (20) which controls the drive (18, 29) in such a manner that it displaces the balloon-yarn-guide-eye (9) between operating positions (AP1, AP2) dependent upon production parameters and a resting position (RS) advantageous in the case of production interruptions and transient operating phases associated with the latter. A device (21, 23, 24, 25) is present for detecting a measured value (i), which is made available to the control device (20) and which causes the control of the drive (18, 29) to change the position of the balloon-yarn-guide-eye (9).

Abstract: A two-for-one twisting or cabling spindle apparatus (1) with a supply bobbin (4) mounted on a pot base (2) of a stationary protective pot (3) and a spindle (6) arranged below the protective pot (3) to guide a yarn (5) to be processed during a twisting or cabling process. The spindle (6) is rotatably mounted by a lower bearing device (7) in a bearing housing (9) fixed on a spindle rail (8) and an upper bearing device (11) mounted to the stationary protective pot (3). The largest diameter (d) of the rotatably mounted spindle (6) is at least 10% less than the diameter (D) of a touching line (23) of the pot base (2) of the stationary protective pot (3) with the yarn (5).

Abstract: A yarn brake for a two-for-one twisting spindle has a brake element mounted in the region of a hollow axle of the spindle between an upper and a lower brake face, the braking force being predeterminable in a defined manner by means of the pretensioning of at least one spring element, which acts on an axially displaceably mounted upper piston, in which the upper brake face is integrated, and the yarn brake being pneumatically releasable to introduce a yarn. The upper piston (27) receiving the upper brake face (28) is configured in such a way and guided with play (S) within a housing (16) of the yarn brake (14) in such a way that it can move aside if necessary into a position (I), in which its center longitudinal axis (37) forms an angle (?) with the center longitudinal axis (38) of the housing (16).

Abstract: A method of measuring oxygen-containing nitrogen components including nitrogen dioxide in exhaust gases of internal combustion engines, wherein an exhaust gas sample is taken from a removal point 10 at the exhaust gas pipe 1 and is guided to at least one measuring instrument by means of a removal line, wherein, for the purpose of measuring the oxygen-containing nitrogen components, there are provided a separate removal point 10 and a removal line 11 and that the exhaust gas sample for measuring the oxygen-containing nitrogen components is set to a temperature at which a reaction between the nitrogen dioxide and soot is low.

Abstract: A yarn brake for a two-for-one twisting spindle has a brake element mounted in the region of a hollow axle of the spindle between an upper and a lower brake face, the braking force being predeterminable in a defined manner by means of the pretensioning of at least one spring element, which acts on an axially displaceably mounted upper piston, in which the upper brake face is integrated, and the yarn brake being pneumatically releasable to introduce a yarn. The upper piston (27) receiving the upper brake face (28) is configured in such a way and guided with play (S) within a housing (16) of the yarn brake (14) in such a way that it can move aside if necessary into a position (I), in which its center longitudinal axis (37) forms an angle (?) with the center longitudinal axis (38) of the housing (16).

Abstract: The invention relates to a method for operating a motor vehicle exhaust-gas aftertreatment system (1), in which oxygen is fed to and removed from the oxygen tank (8) of an exhaust-gas aftertreatment component (7). According to the invention, the oxygen quantity in the oxygen tank (8) is determined and a rich-lean cycle is influenced in accordance with the determined oxygen quantity. The invention also relates to a motor vehicle exhaust-gas aftertreatment system (1), which permits a temperature regulation of the oxygen tank (8) and/or an uninterrupted desulphation during the transition between a rich operation and a lean operation.

Abstract: A method of measuring oxygen-containing nitrogen components including nitrogen dioxide in exhaust gases of internal combustion engines, wherein an exhaust gas sample is taken from a removal point 10 at the exhaust gas pipe 1 and is guided to at least one measuring instrument by means of a removal line, wherein, for the purpose of measuring the oxygen-containing nitrogen components, there are provided a separate removal point 10 and a removal line 11 and that the exhaust gas sample for measuring the oxygen-containing nitrogen components is set to a temperature at which a reaction between the nitrogen dioxide and soot is low.

Abstract: A carding machine, includes a carrier element with a clothing support part (card flat heel). Two end head parts are associated with the carrier element. The carrier element and the end head parts form at least three assembled components, and the end head parts comprise at least one sliding-contact region, which is in contact with the slideway, and at least one fixing region, which is fixed to the carrier element and at the same time holds the sliding-contact region. Between the fixing region of the end head part and at least partial regions of the carrier element there is a distance (clearance), and the distance between the lower limit of the sliding contact region and the card flat heel and/or the free tips of the clothing is adjustable and fixable.

Abstract: The invention provides a method and an apparatus for synthetic widening of the bandwidth of voice signals. This is done by providing a narrowband voice signal at a predetermined sampling rate; carrying out analysis filtering on the sampled voice signal using filter coefficients, which are estimated from the sampled voice signal, for envelope widening; carrying out residual signal widening on the analysis-filtered voice signal; and carrying out synthesis filtering on the residual-signal-widened voice signal in order to produce a broader band voice signal. The analysis filtering is carried out using identical filter coefficients to those used for the synthesis filtering.

Abstract: The invention provides a method and an apparatus for synthetic widening of the bandwidth of voice signals. This is done by providing a narrowband voice signal at a predetermined sampling rate; carrying out analysis filtering on the sampled voice signal using filter coefficients, which are estimated from the sampled voice signal, for envelope widening; carrying out residual signal widening on the analysis-filtered voice signal; and carrying out synthesis filtering on the residual-signal-widened voice signal in order to produce a broader band voice signal. The analysis filtering is carried out using identical filter coefficients to those used for the synthesis filtering.