Matches 1 - 50 out of 189 1 2 3 4 >


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DE102017012007A1 Apparatus and method for universal acoustic testing of objects  
Device for the acoustic testing of objects with a percussion tool, a freestanding microphone and / or a structure-borne sound microphone for detecting the sound and with an associated analysis...
DE102017128526B4 Photoacoustic sensor, method for testing gas tightness and system  
System (100) comprising: a volume (102) filled with a gas (110); a gas exciter (104) configured to excite the gas (110) within the volume (102); a microphone (106) adapted and arranged to output a...
DE102017222198A1 SYSTEM AND METHOD FOR STUDYING SEMICONDUCTOR SUBSTRATES  
A system for inspecting semiconductor substrates may include an indenter configured to exert a force on the semiconductor substrate such that a crack occurs in the semiconductor substrate, a...
DE102017128526A1 Photoacoustic sensor, method for testing gas tightness and system  
An example of a system (100) includes a volume (102) filled with a gas (110), gas energizing means (104) adapted to excite the gas (110) within the volume (102), a microphone (106). adapted to...
DE102017219235A1 Method and system for acoustically monitoring a machine  
The invention relates to a method and a system (1, 16, 17, 18) for acoustically monitoring at least one machine (13). In this case, a sound emission (14) of the machine (13) is measured...
DE102017125125B3 Method for carrying out a pressure test of a liquefied gas tank  
Method for performing a pressure test of a liquefied gas tank, with the steps (a) removing liquid LPG (18) from the LPG tank (12), (b) heating the liquid liquid gas (18) to evaporate and form gas...
DE102017124100A1 Method and apparatus for additive manufacturing  
Methods and apparatuses for additive manufacturing of workpieces ("3D printing") are provided. In this case, a test with a test method, for example by means of laser ultrasound, is performed for...
DE102008047473B4 Method and device for locating a defective component of a vehicle  
Method for locating a defective component of a vehicle (10), wherein sound information is detected at at least one location (12) in the interior (13) of the vehicle (10), and wherein the defective...
DE102017008010A1 Apparatus, method and computer program for measuring the distance between a gas leak in a pressure vessel and a sensor  
Embodiments provide an apparatus (10), method and computer program for measuring a distance between a gas leak (20) in a pressure vessel (30) and a sensor (40). The device (10) comprises the...
DE102017213135A1 Method for selecting a material for a hood  
The invention relates to a method (400) for determining acoustic information relating to a sound emission transmitted through a hood (102) of a first material (321) in a space (103) covered by the...
DE112017001211T5 A construction site device for determining the presence of a density gradient in a work material  
There is provided a construction site condition monitoring apparatus having a processing circuit configured to receive sensor data from a sensor associated with a building material comprising a...
DE102017110228A1 Method for predicting failure loads of fiber composite structures based on sound emission data  
The invention relates to a method for the prediction of failure loads of structures made of fiber composite materials on the basis of sound emission data, its use and a use of a data carrier with...
DE102016123455A1 Apparatus for analyzing the particulate matter content of an aerosol  
An apparatus for analyzing the particulate matter content of an aerosol comprises: an aerosol chamber configured to receive an aerosol whose particulate matter content is to be analyzed, at least...
DE102016122081A1 METHOD AND DEVICE FOR ACOUSTIC STATE MONITORING OF AT LEAST ONE ELECTRICAL ELEMENT IN A GENERAL SYSTEM  
A method and an apparatus for acoustic condition monitoring of at least one electrical component (102) in an overall system are described. In this case, an oscillation signal (108), which...
DE102017124135A1 Machine error prediction based on analysis of periodic information in a signal  
A "signal periodicity parameter" (PSP) indicates periodic patterns in an autocorrelated oscillation waveform and possible errors in a monitored machine. The PSP is calculated based on statistical...
DE102011112641B4 Method for testing a lithium-ion battery cell for functionality  
Acoustic testing of a lithium-ion battery cell (10) on a malfunctioning mechanical defect, which in the context of a measuring operation with a percussion tool (12) just once to a point (14a, 14b,...
DE102016011825A1 Pulse generating means for delivering a pulse to a surface and arrangement  
The invention relates to a pulse generating device (50) for delivering a pulse to a surface of an object (20), wherein the pulse generating device comprises: a pulse source (56) for generating a...
DE112016002938T5 Systeme und Verfahren zur Detektion von Motorkomponentenzust√§nden mittels externer Sensoren  
In one embodiment, a method is provided. The method includes receiving a plurality of engine noise descriptive signals communicated by a plurality of noise sensors, the noise sensors disposed in a...
DE102011118419B4 Method for detecting a state of wear of electrodes of a welding tongs and welding tongs  
Method for detecting a state of wear of electrodes (9a, 9b) of a welding tongs (20) for connecting components (30, 40) according to the resistance welding method, in which the structure-borne...
DE102016009256A1 test methods  
The present invention relates to a test method for detecting hydrogen-induced damage to a component, wherein the component is loaded and at the same time with the load from the component emanating...
DE102016205157A1 Process for crack detection during workpiece processing  
The invention relates to a method for detecting cracking during workpiece processing, wherein during the workpiece processing, body sound waves are measured by means of measuring technology and...
DE102016203904A1 A method for performing a sound sample and an endoscope device  
BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to methods for carrying out a sound sample for detecting and / or analyzing material and / or mounting errors in at...
DE202017104156U1 An apparatus for measuring the concentration of a reducing agent  
An apparatus for measuring a concentration of a reducing agent, in particular urea, in a solution, particularly an aqueous solution, comprising: a tank body (2) for storing the solution in an...
DE102015226311A1 Monitoring of mechanical seal  
The invention relates to an arrangement for shaft seal and a method for monitoring the seal. The arrangement comprises a rotating sliding ring (7) and a stationary sliding ring (6). A sealing gap...
DE102016201901A1 Sensor arrangement and method for locating cavitation  
A device for the location - resolved measurement of cavitation on a hydraulic machine with an impeller in a hydroelectric power station, comprising a first (3) and a second body - borne sound...
DE102015121493A1 Air purification system for detecting the degree of filter contamination  
The invention relates to an air cleaning arrangement (5) comprising at least one air inlet (21) and at least one air outlet (22), at least one air duct (20) arranged between the air inlet (21) and...
DE102014103231B4 Ball test device and method for testing lubricants and / or friction or wear processes  
A ball test device (1) for testing lubricants and / or friction or wear processes, comprising three first ball elements (10) arranged in one plane, and a second ball element (20) which bears...
DE112015002471T5 Coupling means and arrangement of coupling means, converter and component  
Embodiments provide a coupling means 10 and an arrangement of a coupling means 10, a transducer 14 and a component 16. The coupling means 10 is designed to couple the transducer 14 to the surface...
DE102012100096B4 Forming tool with acoustic quality control  
(2) and / or the lower tool (2) and / or the lower tool (2) and / or the lower tool (1) (12) monitors a first plane and a second body-borne sound sensor (12) monitors a second plane. (DE). Home...
DE112014005983T5 Viscosity assessment of a demodulated sound emission  
A method for estimating the viscosity of lubricant in a bearing comprises the steps of: monitoring acoustic emissions from the stock with an acoustic emission sensor; Monitoring of the bearing on...
DE102015206225A1 DEVICE, METHOD AND SYSTEM FOR TESTING A SOUND CONVERTER  
An apparatus for testing an acoustic transducer comprises an acoustic transmission element having at least a medium, the acoustic transmission element with the transducer to be checked can be...
DE102016002259A1 A method for detecting at least one loss event to a glass surface  
In a method for detecting at least one loss event to a glass surface, in particular to a windshield of a vehicle, at least one structure-borne sound signal is detected by a sensor device and the...
DE102015101942A1 Method for testing a component made from a fiber composite material  
The invention relates to a method for testing a component (1) made of a fiber composite material, comprising the steps of a) positioning a number of acoustic sensor means (102, 103) on a surface...
DE102015001743A1 Test methods  
The present invention relates to a test method for detecting an induced by hydrogen damage to a component, the component is loaded and can be measured simultaneously with the loading of the...
DE102015203076B3 Sensor for detecting sound events of an object and method  
The invention relates to a sensor for detecting sound events (21) of an object comprising at least one special operation mode and a normal operating mode, - wherein the sensor comprises at least...
DE102015203072B3 Sensor arrangement for detecting sound events of an object and method  
The invention relates to a sensor arrangement for detecting of sound events (10) of an object comprising at least a first sensor element and at least a second sensor element wherein - comprises at...
DE102014221475A1 Method and device for acoustic measurement of exit speeds and / or outlet flow rates of gases or liquids  
The invention relates to a method for acoustic measurement of exit speeds and / or outlet flow rates of gases and / or liquids. The invention further relates to a device for implementing this...
DE102015219134A1 Apparatus and method for detecting a defect of a press plate  
An apparatus for detecting a defect of a press plate or press sheet plate includes: an acoustic emission sensor unit, which is configured to at least detect an elastic wave signal emitted from the...
DE102014207708A1 Method and apparatus for acoustic inspection of a riveted joint  
The invention relates to a method for testing a riveted joint, in particular a blind rivet or rivet connection, comprising the steps of: - Providing a sample compound (200), the at least two at a...
DE102009031157B4 Method and apparatus for detecting a crack in a semiconductor wafer  
A method for detecting a crack (116) in a semiconductor wafer (110) having an electrical component (112) and a bonding pad (114) that is electrically coupled to the electrical component (112),...
DE102014103231A1 Ball test device and method for the investigation of lubricants and / or by friction or wear processes  
The invention relates to a ball-test device, in particular a four-ball test device for the investigation of lubricants and / or by friction or wear processes, and a method for investigation of...
DE102014202021A1 A method for measuring a wall thickness with hollow valves  
The invention relates to a method for measuring a wall thickness (b) with hollow valves (1) having a hollow valve head (6), in which - A wall thickness (bs) In the region of a valve stem (2) is...
DE102013003500B4 A method for detecting time varying thermo-mechanical stresses and / or voltage gradient across the wall thickness of metallic bodies  
A method for detecting time varying thermo-mechanical stresses and / or voltage gradient across the wall thickness of metallic bodies (1), wherein a temperature at at least one measuring point on...
DE102010040724B4 Determining the freeness of a ground material, particularly an ore, in a mill  
Method for determining the degree of grinding of a mill base (120) in a mill (100), wherein the mill (100) comprises a drum (110), in which the ground material (120) during the grinding process...
DE102013107816A1 Ultrasonic apparatus and method for operating an ultrasound device  
The invention relates to an ultrasonic apparatus comprising an ultrasonic probe for generating image signals in the investigation of a subject with ultrasonic radiation, a data processing device...
DE102013003500A1 A method for detecting time varying thermo-mechanical stresses and / or voltage gradient across the wall thickness of metallic bodies  
The present invention relates to a method for detecting time varying thermo-mechanical stresses and / or voltage gradient across the wall thickness of metallic bodies, in particular pipes. In...
DE102012220261A1 Bearing for supporting converter vessel used during production of steel and non-ferrous metal materials, has sensor for monitoring of bearing condition, that is arranged inside of bearing housing  
The bearing (1) has a bearing housing (3) in which a fixed and/or floating bearing unit (5) is designed for storage of converter. A sensor (19) for monitoring of bearing condition, is arranged...
DE102012109400A1 Method surface and deep diagnosis of material structure, and localizing material defect, involves correlating signals of dynamic mechanical analysis, ultrasound generation and ultrasonic signal detection and non-emitting sound event  
The method involves simultaneously measuring and correlating signals of a dynamic mechanical analysis (DMA) with the signals of ultrasound generation and ultrasonic signal detection, and with...
DE102012204357A1 Sensor arrangement for detecting sound emissions of object, used in industrial plant, has detecting unit to detect the sum of electrical currents flown through the respective first electrode elements as measurement signal  
The sensor arrangement has the sensor elements (12a-12h) and first electrode elements (14a-14h) that are mechanical coupled with the object. The second electrode elements (16a-16h) with different...
DE102012100096A1 Method for detecting cracks or constriction during sheet metal formation of sheet metal blanks in forming tool of motor vehicle, involves forming sheet metal blank in forming tool, where body sound signal is transferred to forming tool  
The method involves forming a sheet metal blank in a forming tool (1), where a body sound signal (5) is detected and evaluated for detecting a crack formation or a constriction at the sheet metal...

Matches 1 - 50 out of 189 1 2 3 4 >