Abstract: The subject invention pertains to a method and apparatus for cooling. In a specific embodiment, the subject invention relates to a lightweight, compact, reliable, and efficient cooling system. The subject system can provide heat stress relief to individuals operating under, for example, hazardous conditions, or in elevated temperatures, while wearing protective clothing. The subject invention also relates to a condenser for transferring heat from a refrigerant to an external fluid in thermal contact with the condenser. The subject condenser can have a heat transfer surface and can be designed for an external fluid, such as air, to flow across the heat transfer surface and allow the transfer of heat from heat transfer surface to the external fluid. In a specific embodiment, the flow of the external fluid is parallel to the heat transfer surface.

Abstract: Provided are a refrigerator and a controlling method thereof. The refrigerator includes a main body, a display device, a radio frequency identification (RFID) reader, an audio output, an audio input, a voice recognizer, and a display controller. The display device is on the main body and includes a display. The RFID reader is on the display device or the main body. The audio output outputs through audio to an outside whether to enter a food name, when an RFID tag attached to a food item or a container holding the food item is read by the RFID reader. The audio input is on the display device, to which audio from the outside can be input. The voice recognizer reads audio input to the audio input. The display controller controls the display device to display on the display a screen corresponding to data read by the voice recognizer.

Abstract: A method of forming ice in a refrigerator is disclosed. The method includes cooling a first storage compartment to a first temperature, cooling a second storage compartment to a second temperature, cooling an interior volume defined in a door to a third temperature, wherein the door permits and impedes access to the second storage compartment, operating a fan disposed in the interior volume to circulate cool air through the interior volume, and cooling water to form ice in the interior volume.

Abstract: A shading panel is described for shading light emitting elements of a light emitting diode display system. The shading panel defines a substantially plane panel surface having an upper border and a lower border, the shading panel comprising at least one column of at least two openings aligned according to a column direction, each opening being suitable to receive at least one light emitting element. For each pair of adjacent openings of the at least one column of openings, the shading panel comprises a first shading louver and a second shading louver, the first shading louver being positioned closer to the opening of the pair of openings closest to the upper border, the second shading louver being positioned closer to the opening of the pair of openings closest to the lower border. The height of the first shading louver is smaller than the height of the second shading louver.

Abstract: An ice making apparatus is provided. A fluid passage guide is formed in the water supply unit to prevent water discharged from the water supply unit from being splashed to an external side of the tray.

Abstract: An ice making apparatus, in which a valve cap is opened by manually adjusting a valve member of a water storage unit when making ice cubes, and a refrigerator having the same. The ice making apparatus includes a water storage unit having a storage main body, in which water is stored, an ice making unit to make ice cubes through supply of water stored in the storage main body, at least one valve member to open and close a water supply hole, through which water stored in the storage main body is supplied to the ice making unit, and an opening and closing member to move the at least one valve member so as to open the water supply hole.

Abstract: A refrigerated container and method capable of maintaining super frozen temperatures of about?50 degrees C. or less, includes container walls insulated to a value of at least about r-20, a cargo compartment configured for receiving cargo, and at least one refrigerant compartment configured for receiving refrigerant in the form of CO2 snow. The refrigerant compartment maintains the CO2 snow and vapor sublimating therefrom separately from the cargo compartment. The refrigerant compartment is located within the cargo compartment and configured to permit ambient atmosphere within the cargo compartment to contact at least three sides, and up to six sides, of the refrigerant compartment. The placement of the refrigerant compartment is also configured to generate a temperature gradient within the cargo compartment capable of generating convection therein, so that the super frozen temperatures are maintained within the cargo compartment without the use of external power sources.

Abstract: Jewelry apparatus includes a decorative insert body and a receiving portion that includes an opening for receiving the decorative insert body. For example, the decorative insert body includes magnetic material and the receiving portion includes a rear portion including ferromagnetic material. Further, for example, the decorative insert body includes a front surface having ornamentation.

Abstract: The present invention relates to a system for manufacturing fibres comprising a melting furnace, a crucible within said furnace comprising at least one orifice (6) and at least one induction coil (4) for heating the melting furnace and the crucible. In a typical system according to the invention, the crucible comprises at least a first part (1) made of graphite and comprising said at least one orifice (6). The invention also relates to the use of the system as well as to a method for manufacturing fibres and to said fibres.

Abstract: A circular knitting machine (140b) for knitting a plurality of yarns (196) into a tubular reinforcement (45) on a rotating hose (41), comprising a knitting head (160b) having a plurality of knitting needles (170 and 170a) and a central passageway, wherein the rotating hose is designed to pass through the central passageway, and rotate in the same direction as the knitting head. Further comprising a conforming means defined on the circular knitting machine for conforming the knitted reinforcement to the exterior of the rotating hose.

Abstract: A sinker includes a sliding segment with a sliding portion slidably located in a sinker groove, a loop forming and loosening ancillary segment extended upwards from one side of the sliding portion and then extended outwards, a passive segment located above the sliding segment and driven by a cam, and an indented abrasion-reducing space located at a lateral side of the sliding portion and below the loop forming and loosening ancillary segment. Through the abrasion-reducing space, the loop forming and loosening ancillary segment can move directly and horizontally above a needle cylinder. The loop forming and loosening mechanism for circular knitting machines of the invention can simplify fabrication of the needle cylinder, reduce labor and material costs, improve quality and production yield of the needle cylinder, and also reduce abrasion of the sinker, thus can improve performance of the mechanism and enhance lifespan of the sinker.

Abstract: A yarn conveying system includes a circular knitting machine, at least one yarn conveying tray and a control unit electrically connected to the circular knitting machine and yarn conveying tray. The circular knitting machine has a needle cylinder and at least one yarn feeder arranged annularly on the needle cylinder. The yarn conveying tray is wound by at least two separate yarns and includes a driving device to drive the yarn conveying tray rotating so that the yarns are supplied via a yarn conveying path to the yarn feeder. The control unit generates a yarn feeding signal to the circular knitting machine to control yarn feeding speed and a driving signal to the driving device to control rotational speed of the yarn conveying tray. Thus users can operate the control unit to control speed of the yarns supplied from the yarn conveying tray to the yarn feeder.

Abstract: A track fitting garage door locking apparatus includes a male block with an internal housing and a key hole. A locking mechanism may be coupled to the internal housing and detachably coupled to the male block. A worm screw is coupled to the internal housing and passes through an opening of the guide track. A female block may be affixed to the guide track. The female block may include an axial bore aligned with the worm screw. A key may be removably interfitted within the key hole and thereby lock and unlock the lock mechanism such that rotational articulation of the male block causes simultaneous rotation of the male block, the internal housing and the worm screw. In this manner, the male block may be linearly reciprocated towards and away from the female block as the worm screw and the internal housing are simultaneously rotated in a corresponding direction.

Abstract: Apparatus and methods for use in the manufacture of a spring unit for incorporation into an upholstered article, for example, a mattress, cushion or the like. Coil formation apparatus includes a drive shaft to control movement of a coil pitch guide member and a link member comprising a connecting rod adjustably connected to a radius arm of the drive shaft. A coil interlinking process comprises compressing a first coil to define a clearance, extending a second coil passed the first coil via the clearance, allowing the first coil to extend across the clearance, and contracting the second coil to engage the first coil thereby interlinking the first and second coils. Spring unit manufacturing apparatus comprises a plurality of jaw pairs each comprising a first fixed jaw and a pivotal second jaw, the pivotal second jaw being pivoted by a cam and linkage assembly operated by a rotary drive shaft.

Abstract: In an installation part (1) in a rolling stand for receiving a roll journal (24) having a journal bush (24) of a roll which is used in the processing of steel and non-ferrous metals, wherein the installation part (1) has a cambered side (3) which faces the roll and a run-out side (4) which lies opposite the cambered side (3), having lubricant receiving spaces (7, 15, 16) on the cambered side (3), at least one housing tongue (23) is provided on the cambered side (3) for the at least partial delimitation of the lubricant receiving spaces (7, 15, 16) with respect to one another and for the formation of a gap (25) with the journal bush (24), the width of which gap (25) is below a predefined gap width threshold value.

Abstract: A sheet metal component that is bent from a sheet metal blank includes at least one three-sided corner. Two edges of the three-sided corner are formed by a first bending member of the sheet metal blank bent about a first inner bending radius Ri,1 and a second bending member of the sheet metal blank bent about a second inner bending radius Ri,2, and the third edge of the three-sided corner is formed by a first blank edge of the first bending member and a second blank edge of the second bending member. The sheet metal blank has an internal corner that forms the first blank edge, the second blank edge, and a wedge-like recess that opens in the internal corner.

Abstract: Provided is a forming die, including a movable supporting member, a movable die, a fixed supporting member and a fixed die. The movable supporting member disposes an oblique sliding groove. The movable die disposes an oblique guiding surface engaged with the oblique sliding groove. The movable die disposes a forming portion, which includes a forming base and a protruding portion extending downward from the forming base. The movable die can tilted move along the oblique sliding groove. The fixed die disposes a flange having a high point. The forming die of the present invention employs the movable die tilted moving along the oblique sliding groove to make the protruding portion extend into the back space of the high point, so that no gap exists between a bending portion of a terminal and the flange for obtaining the bending portion having a large bending degree and having a stable size.

Abstract: The present invention relates to a method of detecting non-linear operation of a measuring device comprising an array of transducers and at least one receiver channel portion. The method comprises receiving measured signals through transducers of the array, processing the measured signals from the transducers through the receiver channel portion, combining the processed measured signals to produce a combined measurement signal, and detecting non-linearity of the combined measurement signal and non-linear operation of the measuring device by detecting saturation of the receiver channel portion. In one embodiment, the receiver channel portion comprises an analog-to-digital converter, a threshold is assigned to a digital output of the analog-to-digital converter, and saturation of the receiver channel portion is detected when the digital output of the analog-to-digital converter oversteps the assigned threshold. In one application of the invention, the measuring device is a non-destructive testing device.

Abstract: A device for conserving helium gas in a gas chromatograph system is characterized in that during the majority of an analytical separation, helium is used as the carrier gas while an auxiliary non-helium gas is used to pressurize the inlet and provide for septum purge and split vent flow. Prior an injection period, a coaxial helium flow is established at the column entrance wherein the coaxial helium flow is less than the column flow. Following the injection and sample transfer period, a coaxial helium flow is established wherein the flow is greater than the column flow.

Abstract: An apparatus and method for purging gases released from a heat exchanger are provided. The apparatus includes an enclosure that defines an interior space and is configured to receive at least a portion of the heat exchanger. A gas source is configured to deliver an inert gas to the interior space of the enclosure at a pressure higher than an ambient pressure outside the gas source and the enclosure. The enclosure is adapted to maintain a positive pressure difference between the interior space and the ambient pressure. A detector is configured to detect a leak of a gas from the heat exchanger into the interior space of the enclosure. A pressure relief device configured to release gas from the interior space of the enclosure if the pressure in the interior space exceeds a predetermined level.

Abstract: Performance of a sport equipment, such as a ball bat, is measured by applying a force through a spring of known elastic properties to compress the sport equipment and indicating compliance of the sport equipment to a known standard based on the compression of the sport equipment.

Abstract: An apparatus and associated method for topographically characterizing a workpiece. A scanning probe obtains topographical data from the workpiece. A processor controls the scanning probe to scan a reference surface of the workpiece to derive a first digital file and to scan a surface of interest that includes at least a portion of the reference surface to derive a second digital file. Correlation pattern recognition logic integrates the first and second digital files together to align the reference surface with the surface of interest.

Abstract: A compression sensor gasket assembly and method of construction thereof is provided. The compression sensor gasket assembly includes a gasket body having opposite sealing surfaces extending between an outer periphery and an inner periphery with the inner periphery bounding a through opening. The gasket body has a passage extending from the outer periphery through the inner periphery and a pressure sensor assembly releasably attached to the gasket body in the passage and being configured to sense pressure within the through opening. The pressure sensor assembly can be removed from the gasket body in service without having to disassemble clamped members from clamped abutment with the gasket assembly. Further, the pressure sensor assembly can be routed over a curved path extending between the outer and inner peripheries to navigate about features that may be present in the gasket body.

Abstract: A method for determining engine crankshaft position determines the position of a rotating crankshaft using one or many crankshaft position sensors. The sensor output signals representing crankshaft position are digitized and specific timing positions are derived. The sampled timing positions are compared to a known position template to determine crankshaft position.

Abstract: A method for accurately determining fuel efficiency in diesel engines of vehicles, as they exist on the job. In determining the efficiency, work done by the vehicle in combination with accurately measured fuel consumption enables calculation of the fuel efficiency of the vehicle. The method of the invention is of use in determining a baseline fuel efficiency for use in evaluating the effectiveness of fuel efficiency related improvements to the engine or vehicle. Following making the improvements, additional fuel efficiency tests using the method of the invention are carried out for comparing the new fuel efficiency with the baseline fuel efficiency. In some applications GPS systems are used for determining work done by the vehicle.

Abstract: The degree of wear of a tire is estimated with constant accuracy. An acceleration sensor (11) is installed on the inner surface in the inner liner region of a tire to detect the acceleration of the tread in the radial direction of the tire. The peak level on the leading edge side or the trailing edge side of the tread appearing in the differentiated waveform of the detected acceleration is calculated and used as an index V of deformation speed of the tread. The degree of wear of the tire is estimated on the basis of the calculated index V of deformation speed and an M-V map (16B) showing a predetermined relationship between the degree M of tire wear and the index V of deformation speed.

Abstract: A piezoresistive sensor assembly is provided that has a flex circuit having at least one air flow aperture formed therein. A sensor die is coupled to an absolute support and the flex circuit. The sensor die has a diaphragm that deflects in response to air flow that flows through the air flow aperture and is incident on the diaphragm. The sensor die includes one or more gages positioned on or in the diaphragm.

Abstract: An apparatus made according to one embodiment may include a first chamber configured to receive fluid under pressure and to compress a gas in a second chamber in pressure communication with the first chamber, wherein the second chamber is configured to discharge the fluid out from the first chamber when pressure of the fluid in the first chamber is reduced.

Abstract: A test device for a compressor has a valve and ducting connected to the valve. A flow nozzle connected to the ducting has a corresponding coefficient of flow. A pressure sensor connected to the flow nozzle measures a pressure of a working fluid, and a flow rate of the working fluid is calculated using the pressure and the coefficient of flow. A method for testing a compressor includes operating the compressor at a first power level, measuring a flow rate of a working fluid at the first power level, adjusting a pressure of the working fluid to equal a first predetermined pressure, and measuring operating parameters of the compressor at the first power level. The method also includes adjusting the pressure of the working fluid to equal a second predetermined pressure and measuring operating parameters of the compressor at the first power level with the pressure of the working fluid at the second predetermined pressure.

Abstract: In some embodiments, a method for monitoring tropical storm conditions includes determining a target sea-surface path relative to a tropical storm center where in situ measurements are desired. A buoy is configured to include one or more sensors for one or more in situ measurements and to move relative to a local wind in the tropical storm so as to approximately follow the target sea surface path. The buoy is deployed in the tropical storm at a location substantively on the target sea surface path. In some embodiments, a buoy includes means for automatically maintaining position near a sea surface, moving at a particular direction and a particular speed relative to a local wind, measuring one or more environmental conditions in a vicinity of the buoy, and sending, to a remote facility, observation data based on output from the means for measuring one or more conditions.

Abstract: The gauge lens with anti-fog film includes a substantially planar transparent lens substrate having an outer surface and an inner surface and a thin film possessing anti-fog properties adjacent and substantially covering the inner surface of the lens substrate to provide a low angle of contact for water and moisture. The anti-fog film is bonded to the lens substrate during the molding process that produces the lens substrate shape. The anti-fog film comprises a hydrophilic material or is coated with a hydrophilic coating. In addition to the anti-fog film, in another embodiment, the outer surface of the lens substrate has a hard coat film adjacent and substantially covering the outer surface of said lens. The materials for the lens substrate, anti-fog film, and hard coat film are selected based on the application, performance, and stability of the gauge lens in the environment that it is operated.

Abstract: An MEMS gyroscope is disclosed, capable of computing the rotating angle of a DUT being attached thereto without the need to execute an off-line calibration process, of precluding the execution of an integration process, and of executing an on-line compensation process for the error introduced by the sensing circuit defect and by the mechanical structure defect of its gyroscope module. The disclosed MEMS gyroscope comprises: a gyroscope module, a sensing module coupled with the gyroscope module, and a control module couple with the gyroscope module and the sensing module, respectively. The control module receives the system dynamic of the gyroscope module sensed by the sensing module, and applies a gyroscope control method for controlling the gyroscope module and computing the rotating angle of the DUT. Moreover, the control module outputs a control signal including two extra frequency signals, to the gyroscope module, for driving the gyroscope module into operation.

Abstract: A MEMS surface sensor, including: a substrate, a surface of which defines a substrate plane; a first zone having a first thickness, of which two surfaces form a first plane and a second plane parallel in relation to one another and to the substrate plane, first zone forming at least one mobile mass that moves in a direction out of the substrate plane; and a second zone, linked to a fixed zone of the substrate, the second zone forming at least a pivot link of the mobile mass in relation to said substrate, and having a thickness less or equal to that of the mobile mass and being linked to the mobile mass, an axis of the pivot link being between the first plane and the second plane, and parallel to the first plane and the second plane.

Abstract: According to the present invention, an in-plane sensor comprises a structure unit which includes: a fixed structure including a fixed finger and a fixed column connected to each other, the fixed finger having a supported end supported by the fixed column and a suspended end; and a movable structure including at least one proof mass which surrounds the fixed finger in a horizontal plane.

Abstract: According to the present invention, an in-plane sensor comprises: a fixed structure including a fixed finger and a fixed column connected to each other, the fixed finger having a supported end supported by the fixed column and a suspended end which is unsupported; and a movable structure including at least one mass body and an extending finger connected to each other; wherein the supported end of the fixed finger is closer to the mass body than the suspended end is.

Abstract: The system comprising an object to be tested, with the object has a structural resonant frequency. A vibration analyzer sends a signal through the object to a signal receiver. The signal receiver sends the data to a processor and a data storage device. A cooling chamber is used to cool the object to a specified temperature, and then allows the object to return to ambient temperature. A second vibrational test is performed and the data is compared with the first vibrational test to determine the effectiveness of the thermal treatment of the object.

Abstract: In the diagnosis of a structure, at least one electromechanical transducer is fixed to a structure as an object of diagnosis and is driven with an alternating voltage of a constant amplitude, and a current flowing through the at least one electromechanical transducer is measured. Next, high frequency components around a driving frequency of the electromechanical transducer are separated from a signal of the current. Next, modulation information due to a damage is extracted from amplitude and/or phase demodulation of the high frequency components. Then a damage index is evaluated based on the modulation information. Thus, structural health can be diagnosed with use of at least one electromechanical transducer, without baseline data, in one measurement.

Abstract: There is provided an ultrasonic inspection apparatus using scanning path information with high accuracy at a time of ultrasonic flaw inspection.

Abstract: A method and system for predicting acoustic fields based on generalized moving frame acoustic holography are disclosed. The method includes acquiring a first wavenumber spectrum on a measurement plane according to a moving coordinate system, converting the first wavenumber spectrum to a second wavenumber spectrum on a reference coordinate system using a relative velocity between the measurement plane and a medium, converting the second wavenumber spectrum to a third wavenumber spectrum on a prediction plane using an acoustic wave propagation theory, converting the third wavenumber spectrum to a fourth wavenumber spectrum on a moving coordinate system using a relative velocity between the medium and the prediction plane, and computing acoustic fields on the prediction plane using the fourth wavenumber spectrum.

Abstract: An ultrasonic probe deployment device in which an ultrasound-transmitting liquid forms the portion of the ultrasonic wave path in contact with the surface being inspected (i.e., the inspection surface). A seal constrains flow of the liquid, for example preventing the liquid from surging out and flooding the inspection surface. The seal is not rigid and conforms to variations in the shape and unevenness of the inspection surface, thus forming a seal (although possibly a leaky seal) around the liquid. The probe preferably is held in place to produce optimum ultrasonic focus on the area of interest. Use of encoders can facilitate the production of C-scan area maps of the material being inspected.

Abstract: A micro-deformable piezoresistive material is provided, including a hard plastic body, a micro-deformable rough texture surface, and a plurality of conductive particles. The micro-deformable rough texture surface is formed on a side of the hard plastic body, wherein the maximum deformation of the rough texture surface is far less than the thickness of the hard plastic body. Additionally, the conductive particles are evenly dispersed in the plastic body.

Abstract: A pressure transmitter with pressure sensor mount includes pressure measurement circuitry. A metal body of the pressure transmitter has a pressure coupling configured to couple to a process pressure. A pressure sensor is configured to provide an output related to an applied pressure to the pressure measurement circuitry. A conduit is coupled to the pressure sensor and configured to apply an applied pressure corresponding to the process pressure to pressure sensor. A non-conductive spacer is configured to electrically isolate the conduit from the metal body. The non-conductive spacer has an opening formed therein and is arranged to convey the applied from the metal body to the conduit.

Abstract: A media isolated pressure sensor is disclosed that helps improve performance and reduce cost. In one illustrative embodiment, a pressure sensor may include a carrier having one or more holes defined therein. The carrier may be coupled to a diaphragm on one side, and a pressure sensing die on the other, with the pressure sensing die in fluid communication with the hole in the carrier. The carrier, diaphragm and pressure sense die may form a transfer fluid cavity, which is filled with a pressure transfer fluid. An input pressure from a media to be sensed may be provided to the diaphragm, which transmits the pressure to the pressure sensing die via the pressure transfer fluid. The pressure sensing die remains isolated from the media to be sensed.

Abstract: A tendon tension sensor that has particular application for measuring tension on a tendon employed in a robotic arm. The tension sensor includes an elastic element having a curved channel through which the tendon is threaded. The elastic element also includes a center portion on which strain gauges are mounted that measure the strain on the elastic element. Tension on the tendon causes the center portion of the elastic element to flex or bend, which is measured by the strain gauges providing an indication of the tension in the tendon.

Abstract: A turbopump for a rocket engine includes a rotor shaft with a turbine connected to drive the rotor and a centrifugal impeller connected to be driven by the rotor. An electromagnetic powered motor is formed as part of the turbopump and is powered to drive the rotor at a low speed in order to test for an amount of torque required to drive the rotor at the low speed. A load cell is connected to the motor that rotates the rotor shaft. From the use of a load cell the amount of torque required to rotate the rotor can be determined and compared to a known value in order to determine if the turbopump is damaged and requires repairs.

Abstract: A measurement arrangement for measuring and/or monitoring a physical property, comprising a measurement device comprising: at least one primary sensing element to be exposed to a product at a measurement site, a remotely located secondary measurement device, and transmission lines connecting said primary sensing elements to said secondary measuring device, suitable for applications wherein the primary sensing elements may be exposed to strong vibrations at the measurement sites, is described, wherein said secondary measurement device is mounted above all primary sensing elements and wherein said transmission lines comprise an inner core, an outer tubular protection conduit enclosing said core, and a vibration absorbing medium filling an interior of said outer protection conduit surrounding said inner core.

Abstract: A sensor concept for capacitive pressure measurement yields reliable measurement results and is for aggressive particle-bearing measuring environments. This sensor element is a micromechanical sensor element, whose structural elements are implemented in a layered structure. The sensor element includes two pressure connections separated from each other, a deflectable carrier element for at least one deflectable measuring electrode, and at least one stationary counter electrode for the measuring electrode. The carrier element spans a closed cavity in the layered structure. The carrier element is spanned by a cap structure, and is suspended on the cap structure via a suspension web functioning as a rocker bearing. The two pressure connections are connected to the carrier element's top side which is divided by the suspension web into two separated pressure connection zones. The measuring electrode is on the carrier element's underside and the counter electrode is on the cavity's opposite wall.

Abstract: A continuous flow syringe pump includes a first syringe configured for at least one of loading or dispensing at least one fluid, a second syringe configured for at least one of loading or dispensing the at least one fluid, and a first valve connected to the first syringe and the second syringe. The continuous flow syringe pump also includes a second valve connected to the first valve. The continuous flow syringe pump further includes at least one outlet connected to the first valve. The at least one outlet is configured to alternate output of the at least one fluid between the first syringe and the second syringe in a substantially continuous operation.

Abstract: A mounting system for samples and instruments for use with a measuring device such as a surface forces apparatus has a housing and a sample mount assembly positioned within the housing. The sample mount assembly has a pivot arm having a first edge and a flexing section. A spring has a first end coupled to the pivot arm. A first sample holder is coupled to the second end of the spring. A second sample holder is positioned in proximity to the first sample holder.

Abstract: The invention relates to a method for determining properties of three-dimensional objects that have been produced by a generative method, in particular by a thermal generative method. The problem solved is that of providing a nondestructive test method by which the density of such objects can be determined and possible component defects can be identified. This is achieved by firstly completely immersing the three-dimensional object in a dyeing liquor, removing it from the dyeing liquor after a defined residence time, then washing it off, drying it and exposing it to a vacuum and subsequently subjecting it to an image-analytical evaluation by determining the intensity of the coloration by apparatus technology, wherein an assessment with regard to density and component defects of the three-dimensional object is effected by a comparison of the image-analytical characteristic values of coloration and reference data stored beforehand by computer technology.