Abstract: To further reduce the NOx emission, the invention provides a mixing device (10) for a burner (16) having reduced NOx production, comprising a centrally arranged first mixing unit (18) for producing a first fuel-air mixture for a primary flame zone (120), wherein the first mixing unit (18) has at least one first fuel nozzle (38) and a baffle plate (40), a second mixing unit (20) for producing a second fuel-air mixture for a secondary flame zone (122), which encloses the primary flame zone (120), wherein the second mixing unit (20) has multiple second fuel nozzles (70), characterized by a sealing air producing unit (24) for producing a sealing air flow in a sealing air zone, which encloses the primary flame zone (120) of the first mixing unit (18) arranged downstream of the baffle plate (40), wherein the second mixing unit (20) is designed to deliver the second fuel-air mixture into the secondary flame zone (122), which encloses the sealing air zone (126), and wherein the second mixing unit (20) is arranged aro

Abstract: To further reduce the NOx emission, the invention provides a mixing device (10) for a burner (16) having reduced NOx production, comprising a centrally arranged first mixing unit (18) for producing a first fuel-air mixture for a primary flame zone (120), wherein the first mixing unit (8) has at least one first fuel nozzle (38) and a baffle plate (40), a second mixing unit (20) for producing a second fuel-air mixture for a secondary flame zone (122), which encloses the primary flame zone (120), wherein the second mixing unit (20) has multiple second fuel nozzles (70), characterized by a sealing air producing unit (24) for producing a sealing air flow in a sealing air zone, which encloses the primary flame zone (120) of the first mixing unit (18) arranged downstream of the baffle plate (40), wherein the second mixing unit (20) is designed to deliver the second fuel-air mixture into the secondary flame zone (122), which encloses the sealing air zone (126), and wherein the second mixing unit (20) is arranged arou

Abstract: A tensioning device (11) for a traction mechanism drive (1) which is arranged on an internal combustion engine and includes a drive wheel (3) arranged on a drive shaft (30) of an engine (4), one or more additional driving wheels (5, 6), and a continuously revolving traction element (2), which wraps around the drive wheel and additional driving wheels. The tensioning device has two tensioning arms (13, 14) having tensioning wheels (9, 10) mounted thereon, which apply a tensioning force to the traction element in front of and behind the drive wheel in the direction of revolution, and is provided with a spring (16) generating the tensioning force, and a tensioner housing (12), which movably mounts at least one of the tensioning arms to which the force of the spring means is applied. The tensioner housing is mounted on the engine pivotably about the axis (29) of the drive shaft.

Abstract: A tensioning device (2) is provided for a starter generator drive belt of an internal combustion engine and a starter generator (1) equipped with such a tensioning device. It includes a tensioning housing (8, 8a, 8b) with two belt pulleys (6, 7) and a bearing support (9) fastened at the machine housing (3) of the starter generator, on which the tensioning housing is pivotally supported via a friction bearing.

Abstract: An optoelectronic sensor (10) for the detection and distance determination of objects in a monitored area (18) transmits a transmission light beam (14), generates a reception signal from remitted transmission light (20), and determines an object distance from a light time of flight. A reception path between light receiver (24) and evaluation unit (30) is divided into a first and a second partial reception path (46, 48, 50, 52) at a splitter element (44) comprising filtering properties to pass higher frequency parts of the reception signal on to the first partial reception path (46, 48) and lower frequency parts on to the second partial reception path (50, 52). An object's distance is determined from the first and an opacity from the second partial reception signal.

Abstract: A tensioning device (11) for a traction mechanism drive (1) which is arranged on an internal combustion engine and includes a drive wheel (3) arranged on a drive shaft (30) of an engine (4), one or more additional driving wheels (5, 6), and a continuously revolving traction element (2), which wraps around the drive wheel and additional driving wheels. The tensioning device has two tensioning arms (13, 14) having tensioning wheels (9, 10) mounted thereon, which apply a tensioning force to the traction element in front of and behind the drive wheel in the direction of revolution, and is provided with a spring (16) generating the tensioning force, and a tensioner housing (12), which movably mounts at least one of the tensioning arms to which the force of the spring means is applied. The tensioner housing is mounted on the engine pivotably about the axis (29) of the drive shaft.

Abstract: A tensioning device (2) is provided for a starter generator drive belt of an internal combustion engine and a starter generator (1) equipped with such a tensioning device. It includes a tensioning housing (8, 8a, 8b) with two belt pulleys (6, 7) and a bearing support (9) fastened at the machine housing (3) of the starter generator, on which the tensioning housing is pivotally supported via a friction bearing.

Abstract: A tensioner for a belt, a chain or the like, which has a tensioning lever that is in operative connection with a helical spring, is pivotable about a fixed axis and on the tensioning lever a receptacle for a tensioning element that bears against the belt, chain or the like is arranged. The helical spring is held at its ends by spring receptacles with the helical spring being screwed to at least one of the spring receptacles. This construction ensures a reliable and easy-to-assemble connection between the helical spring and the spring receptacle is achieved.

Abstract: A 3D camera (10) for monitoring a spatial zone (12) is provided, wherein the 3D camera (10) has at least one image sensor (14a-b) for taking image data from the spatial zone (10), an evaluation unit (22, 24) for generating a distance image with three-dimensional image data from the image data of the image sensor (14a-b) and an illumination unit (100) with a light source (104) and an upstream microoptical array (106) with a plurality of microoptics (106a) to illuminate the spatial zone (12) with an irregular illumination pattern (20). In this respect, the light source (104) has a semiconductor array with a plurality of individual emitters (104a) and the microoptical array (106) has non-imaging microoptics (106a).

Abstract: An optoelectronic sensor (10) for the detection and distance determination of objects in a monitored area (18) transmits a transmission light beam (14), generates a reception signal from remitted transmission light (20), and determines an object distance from a light time of flight. A reception path between light receiver (24) and evaluation unit (30) is divided into a first and a second partial reception path (46, 48, 50, 52) at a splitter element (44) comprising filtering properties to pass higher frequency parts of the reception signal on to the first partial reception path (46, 48) and lower frequency parts on to the second partial reception path (50, 52). An object's distance is determined from the first and an opacity from the second partial reception signal.

Abstract: The invention relates to a clamping device comprising a pivoting arm on which a clamping roll is rotatably arranged. In order to damp pivoting movements of the pivoting arm, a damping device is provided in the region of a pivoting axis X. Furthermore, the pivoting arm is supported by a tension spring device which ensures a frictional arrangement of the clamping roll on a traction mechanism, in the assembled state.

Abstract: A tensioner (1, 1?) for a traction mechanism such as a belt, chain or the like, with a tensioning lever (4) which can be acted on by a helical spring (2), can pivot about a stationary shaft and on which a tensioning element is provided for abutment against the traction mechanism to be tensioned. The helical spring (2) is held at its ends by spring receptacles (6, 7) and a means (8, 9, 71) is provided for delimiting the spring excursion.

Abstract: A tensioning device for a traction mechanism, particularly a belt or a chain, including a tensioning lever over which the traction mechanism is guided and on which a tensioning spring is disposed with one end thereof, the other end thereof being provided on a spring holder by which the tensioning device can be fastened to an external object. A holding pin (11) extends through the tensioning spring (4), with the pin at one end (11) thereof being disposed in a fixed position on the tensioning lever (2) and at the other end thereof having a locking section (22) disposed on a locking element (17) provided on a spring holder (6). The locking element can be adjusted between a locking position of the holding pin end (16), in which the tensioning device (1) is fixed in a position with the pretensioned tensioning spring (4), and a released position of the holding pin end (16), in which the holding pin (10) is axially displaceable in the locking element (17), and limited by a stop.

Abstract: A clamping device with mechanical damping for a traction mechanism drive is provided. The device includes a clamping arm which carries a tension roller on one end thereof and is rotatably mounted in a housing at the other end thereof via a shaft connected thereto in a rotationally fixed manner, and is elastically supported on the housing by a torsion spring. A free end of the shaft is connected to a friction disk in a rotationally fixed manner, and a friction lining is arranged between the friction disk and an axial abutment surface of the housing. The invention reduces the friction lining wear and increases the damping capacity thereof. To accomplish this, a separate friction disk (7??) is connected to a separate friction lining (8??) in a positively locked manner without play, and the separate friction lining ((8??) is in frictional contact with the axial abutment surface (10) of the housing (1).

Abstract: A spring element that is designed for a flexible drive of an internal combustion engine. The spring element has a cylinder, in which a piston is guided in a linearly displaceable manner, a force being applied to the piston by spring means. Corresponding fixing eyes are respectively allocated to the cylinder and the piston for fixing the spring element. A transverse pin is associated with the piston to limit the travel of the spring element. The pin engages in a positive fit with backlash in a longitudinal guiding element of the cylinder.

Abstract: The invention relates to a clamping device comprising a pivoting arm on which a clamping roll is rotatably arranged. In order to damp pivoting movements of the pivoting arm, a damping device is provided in the region of a pivoting axis X. Furthermore, the pivoting arm is supported by a tension spring device which ensures a frictional arrangement of the clamping roll on a traction mechanism, in the assembled state.

Abstract: An attachment arrangement (1) for a traction mechanism tensioner (3, 3?) on a motor vehicle is provided, wherein the traction mechanism tensioner (3, 3?) has a tensioning unit (30, 30?) that is in active connection with a lever unit (31, 31?) on which lever unit (31, 31?) a tensioning element (32, 32?) is mounted, and wherein, on the motor vehicle, at least one attachment point (10, 11) is provided both for the tensioning unit (30, 30?) and also for the lever unit (31, 31?). The attachment points (10, 11) are oriented on the motor vehicle and relative to each other such that the attachment points (10, 11) are suitable for the operational attachment of both a hydraulically damped traction mechanism tensioner (3) and also a mechanically damped traction mechanism tensioner (3?).

Abstract: A tensioning device for a traction mechanism, particularly a belt or a chain, including a tensioning lever over which the traction mechanism is guided and on which a tensioning spring is disposed with one end thereof, the other end thereof being provided on a spring holder by which the tensioning device can be fastened to an external object. A holding pin (11) extends through the tensioning spring (4), with the pin at one end (11) thereof being disposed in a fixed position on the tensioning lever (2) and at the other end thereof having a locking section (22) disposed on a locking element (17) provided on a spring holder (6). The locking element can be adjusted between a locking position of the holding pin end (16), in which the tensioning device (1) is fixed in a position with the pretensioned tensioning spring (4), and a released position of the holding pin end (16), in which the holding pin (10) is axially displaceable in the locking element (17), and limited by a stop.

Abstract: A clamping device with mechanical damping for a traction mechanism drive is provided. The device includes a clamping arm which carries a tension roller on one end thereof and is rotatably mounted in a housing at the other end thereof via a shaft connected thereto in a rotationally fixed manner, and is elastically supported on the housing by a torsion spring. A free end of the shaft is connected to a friction disk in a rotationally fixed manner, and a friction lining is arranged between the friction disk and an axial abutment surface of the housing. The invention reduces the friction lining wear and increases the damping capacity thereof. To accomplish this, a separate friction disk (7??) is connected to a separate friction lining (8??) in a positively locked manner without play, and the separate friction lining ((8??) is in frictional contact with the axial abutment surface (10) of the housing (1).

Abstract: A laser scanner which operates pursuant to the elapsed time principle and which has a pulsed laser that directs successive light pulses into a monitored region. The laser scanner further has a light receiving arrangement for receiving light pulses reflected by an object in the monitored region and that generates electric received signals which are fed to an evaluation unit for determining a distance between the object and the laser scanner based on the elapsed time between the emission of the light pulse and the receipt of the reflected pulse and the speed of light from which a distance signal is formed that is representative of the distance between the object and the scanner. There is a light diverter unit between the pulsed laser and the monitored region which continuously directs light pulses along different directions into the monitored region.