Abstract: A liquid separator for separating liquid out of a gas/liquid mixture, including an inlet, an outlet, a flow path connecting the inlet to the outlet and at least one separating device arranged in the flow path, the liquid separator being designed and embodied with simple structure and a compact construction to enable reliable separation of liquids in such a way that the separating device has a fabric portion for liquid separation through which the flow path passes, the fabric portion being arranged at an angle of 1° to 15° relative to the main flow direction in the separating device.

Abstract: The invention relates to an interferometric measurement device and to an interferometric method for determining the surface topography of a measurement object (1). The essence of the invention is that the light intensities Iq(zi) of at least one other detector element q of the multi-element detector (6) are also used besides the light intensities Ip(zi) of this detector element to determine the value zp associated with a detector element p (6b) of the measurement device.

Abstract: A method for determining the path of a measurement beam of an interferometric measuring device, includes A. recording a plurality of spatially resolved images of the object under measurement; B. creating a three-dimensional model of the object under measurement; C. providing a beam-position image-recording unit and recording at least one spatially resolved beam-position-determining image; D. determining the spatial position and orientation of the beam-position image-recording unit relative to the object under measurement; E. providing a spatial relation between the spatial path of the measurement beam of the interferometric measuring device and the position and orientation of the beam-position image-recording unit; F. determining the spatial path of the measurement beam of the interferometric measuring device relative to the object under measurement. A measuring device for interferometric measurement of an object under measurement is also provided.

Abstract: A cooling assembly for a drive assembly, which comprises an electrical machine, for a vehicle, for cooling the electrical machine, the cooling assembly comprising a cooling channel, with an inlet and an outlet, for conducting a cooling medium, the cooling channel having a receiving region for receiving the electrical machine, the cooling assembly comprising an insert having at least one insertion part for generating turbulence in the cooling medium, the insert being arranged in a space surrounding the receiving region for the electrical machine within the cooling channel, and the insertion part having a two-part design.

Abstract: A humidifier having a housing that extends along an axial direction, the housing having a first inlet, a first outlet, a second inlet and a second outlet, and a membrane unit being arranged in the interior of the housing. The first inlet and the first outlet are in flow connection with each other by means of a first flow path, and the second inlet and the second outlet are in flow connection with each other by a second flow path. The membrane unit is cylindrical and has a plurality of hollow fiber membranes arranged side by side. The membrane unit is outwardly surrounded at least in part by a first chamber, and the first chamber is outwardly surrounded at least in part by a second chamber separate from the first chamber. The first chamber and the second chamber are in flow connection with each other via one or more throttle slots.

Abstract: The invention relates to a liquid separator for separating liquid from a gas-liquid mixture, having a housing, an inlet, an outlet, a flow path connecting the inlet to the outlet, and a separating device, arranged in the flow path, for liquid separation, wherein a wall body is attached to the inner side of a housing portion adjoining the outlet, surrounds an annular collar projecting into the housing from the outlet, and extends towards a liquid outlet, wherein the wall body, together with a wall of the housing, defines a flow channel so that liquid collected at the outlet can be discharged through the flow channel via the liquid outlet.

Abstract: A liquid separator for separating liquid out of a gas/liquid mixture, including an inlet, an outlet, a flow path connecting the inlet to the outlet and at least one separating device arranged in the flow path, the liquid separator being designed and embodied with simple structure and a compact construction to enable reliable separation of liquids in such a way that the separating device has a fabric portion for liquid separation through which the flow path passes, the fabric portion being arranged at an angle of 1° to 15° relative to the main flow direction in the separating device.

Abstract: In order to enable efficient operation and reliable heat dissipation in a transmission, a pumping device (10) for lowering the internal pressure in a transmission (100) is equipped with a suction line (18), which leads from a suction point (20) on a connection side (14) to a discharge point (22) on a discharge side (16), a pump (24) for generating negative pressure at the suction point (20), a pump drive (26) for driving the pump (24), and an oil separator (28) connected upstream or downstream of the pump (24) in the suction line (18) that separates oil contained in the suction flow and returns it via a return line (30) to the connection side (14), and a check valve (34) connected downstream, preferably directly downstream, of the pump (24). A transmission (100) with such a pumping device (10), a use of a pumping device (10) and a method for reducing power losses in a transmission (100) are disclosed.

Abstract: The invention enables an adequate crankcase negative pressure in an internal combustion engine, in all operating ranges to the extent possible and using a suction device for the crankcase ventilation of an internal combustion engine, which suction device is equipped with a housing, a controllable electric motor and a compressor for conveying crankcase gas, which compressor is driven by the electric motor, the compressor having connection points for a crankcase ventilation line, such that the crankcase pressure of the internal combustion engine is controllable by controlling the electric motor.

Abstract: The invention relates to an interferometric measurement device and to an interferometric method for determining the surface topography of a measurement object (1). The essence of the invention is that the light intensities Iq(zi) of at least one other detector element q of the multi-element detector (6) are also used besides the light intensities Ip(zi) of this detector element to determine the value zp associated with a detector element p (6b) of the measurement device.

Abstract: A method for interferometric vibration measurement at a plurality of measurement points using a measuring laser beam, including A. generating the measuring laser beam having a wavelength in the infrared wavelength range and a pilot laser beam having a wavelength in the visible wavelength range; B. deflecting the measuring laser beam and the pilot, laser beam by a common optical deflection unit, and controlling the deflection unit such that the pilot laser beam is incident on the measurement point; and C. carrying out a vibration measurement using the measuring laser beam. An angular deviation between the pilot laser beam and the measuring laser beam is determined and, in a correction step B 1, between method step B and C, the deflection unit is actuated in order to compensate for the angular deviation between the pilot laser beam and the measuring laser beam.

Abstract: Method for bending a plastic pipe including arranging a bending portion of a plastic pipe in a heating zone of a heater and performing contactless local heating of the bending portion, wherein the heater is adapted to provide a first predetermined temperature difference between a neutral zone of the bending portion and a compression zone of the bending portion and a second predetermined temperature difference between the neutral zone and the compression zone of the bending area and an expansion zone of the bending area, introducing bending forces on holding regions arranged on the plastic pipe at a distance from the bending area and/or introducing bending forces on the bending area for deforming the plastic pipe into a deformation position and cooling the plastic pipe in the deformation position.

Abstract: An alignment method for a beam-directing unit of an interferometric measuring device for directing a laser beam of a laser beam source towards a plurality of measurement points of an object under measurement, wherein a three-dimensional model of a measurement surface of an object under measurement is created by a plurality of spatially resolved images. A measuring device for carrying out an interferometric measurement by laser radiation is also provided, having a controller which is designed to align a beam-directing unit of the measurement device.

Abstract: Sensor cleaning system for cleaning sensors, in particular vehicle sensors, and associated method, characterized by a liquid reservoir for holding a cleaning liquid, and including a control unit for activating a switch unit and including at least one nozzle for spraying at least one sensor, the switch unit being provided between the liquid reservoir and the at least one nozzle, a liquid line being provided between the liquid reservoir and the switch unit and at least one nozzle line being provided between the switch unit and the at least one nozzle.

Abstract: The invention relates to an alignment method for a beam-directing unit of an interferometric measuring device for directing a laser beam of a laser beam source towards a plurality of measurement points of an object under measurement, wherein a three-dimensional model of a measurement surface of an object under measurement is created by a plurality of spatially resolved images. The invention also relates to a measuring device for carrying out an interferometric measurement by laser radiation, having a controller which is designed to align a beam-directing unit of the measurement device.

Abstract: A method for determining the path of a measurement beam of an interferometric measuring device including the method steps: A. recording a plurality of spatially resolved images of the object under measurement; B. creating a three-dimensional model of the object under measurement; C. providing a measurement-head model; D. creating an association between coordinates in the three-dimensional model of the object under measurement and coordinates in the measurement-head model; E. determining the measurement beam path. A measuring device for interferometric measurement of an object under measurement is also provided.

Abstract: A method for determining the path of a measurement beam of an interferometric measuring device, includes A. recording a plurality of spatially resolved images of the object under measurement; B. creating a three-dimensional model of the object under measurement; C. providing a beam-position image-recording unit and recording at least one spatially resolved beam-position-determining image; D. determining the spatial position and orientation of the beam-position image-recording unit relative to the object under measurement; E. providing a spatial relation between the spatial path of the measurement beam of the interferometric measuring device and the position and orientation of the beam-position image-recording unit; F. determining the spatial path of the measurement beam of the interferometric measuring device relative to the object under measurement. A measuring device for interferometric measurement of an object under measurement is also provided.

Abstract: A vacuum pump having a housing which limits a working space and having a rotor, rotatably mounted in the housing about a rotor axis, the rotor guides a vane being movably mounted in the radial direction, the vane has a transverse extent, and the vane divides the working space into a suction side having a suction inlet and a pressure side having a pressure outlet, the housing has at least one oil outlet, the oil outlet is closed by a relief valve, the relief valve assumes an open position, when a limit pressure lying above a nominal pressure is exceeded in the working space, and the transverse extent of the vane is large enough that when the vane passes the oil outlet, the oil outlet is closed by the vane, so that there is no fluid connection between the suction side and the pressure side over the oil outlet.

Abstract: The invention enables an adequate crankcase negative pressure in an internal combustion engine, in all operating ranges to the extent possible and using a suction device for the crankcase ventilation of an internal combustion engine, which suction device is equipped with a housing, a controllable electric motor and a compressor for conveying crankcase gas, which compressor is driven by the electric motor, the compressor having connection points for a crankcase ventilation line, such that the crankcase pressure of the internal combustion engine is controllable by controlling the electric motor.

Abstract: An adjustable vane pump, in particular an oil pressure pump, with a suction side and a pressure side, with a housing and a rotor supported in the housing so as to be rotatable about a rotor axis. At least one vane is supported for movement in a radial direction. The housing comprises a housing floor and a housing cover transversely to the rotor axis, and an adjustment cage is arranged between the housing floor and the housing cover.