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| Number | Title | Issue Date |
| 8167482 | Thermography inspection of surface discontinuities A method for detecting surface discontinuities in a test specimen. The method includes applying a one or more substances including a detection medium to the test specimen wherein the detection medium enters at least one surface discontinuity in the test specimen. Th... | 05/01/2012 |
| 8070355 | Method of detecting leaks of fluoroolefin compositions and sensors used therefor Disclosed are a method of detecting a leak of fluoroolefin compositions and sensors used therefor. In particular, the method is particularly useful for detecting a leak of a fluoroolefin refrigerant composition from a cooling system of an automotive vehicle. Such fl... | 12/06/2011 |
| 8047707 | Passive thermal image glass breakage detector A system and method for detecting glass breakage using thermal imaging is provided. The system includes an infrared image detector for acquiring an infrared image of a monitored area, and a signal processor for processing the acquired images to determine removal of ... | 11/01/2011 |
| 7959353 | Infra-red thermal imaging of laser welded battery module enclosure components A thermal imaging system for a battery module enclosure that includes first and second battery module enclosure components between which a weld is formed includes a thermal imaging camera that focuses on the first and second battery module enclosure components withi... | 06/14/2011 |
| 7901131 | Apparatus state determination method and system In a method for determining a state of an apparatus, detected temperatures are received from a plurality of sensors and are compared to at least one preset condition. The state of the apparatus is determined based upon the comparison. ... | 03/08/2011 |
| 7641382 | Leak judgment method, and computer-readable recording medium with recorded leak-judgment-executable program In a deposited-film formation apparatus or process having the means or steps of evacuating the inside of an inside-evacuatable chamber through an evacuation piping by an evacuation means, feeding a material gas into the chamber while evacuating the inside of the cha... | 01/05/2010 |
| 7637652 | Passive thermal image glass breakage detector A system and method for detecting glass breakage using thermal imaging is provided. The system includes an infrared image detector for acquiring an infrared image of a monitored area, and a signal processor for processing the acquired images to determine removal of ... | 12/29/2009 |
| 7628532 | Apparatus and method incorporating an indicator chamber for elevated temperature pressure vessel or weld testing In a method and system for testing the integrity of pressure vessels, or welds on flanges or the like, at elevated temperatures, a pressurized mixture of a gaseous environmentally safe composition is formed within an indicator chamber in a housing receiving a pressu... | 12/08/2009 |
| 7607823 | Leak detector comprising a self-heated thermistor control circuit A system and method for detecting leaks includes a sensing circuit including a first thermistor device adapted to detected a leak upon contact with a liquid, and, a second thermistor device functioning as a reference device. The first and second thermistor devices a... | 10/27/2009 |
| 7434987 | Method to detect helium leakage from a disk drive A method to detect helium leakage from a disk drive enclosure is disclosed and claimed. A measurement electrical current is passed through a temperature sensor disposed within the disk drive enclosure. A reference electrical resistance corresponds to a reference tem... | 10/14/2008 |
| 7434990 | Method to detect termite infestation in a structure A method for confirming the presence of termites in a structure, involving a preliminary infrared scan of a structure and confirmation of termite infestation with at least one detector in order to quickly locate potential areas of termite infestation. ... | 10/14/2008 |
| 7434986 | Method and apparatus for monitoring and detecting defects in plastic package sealing An apparatus for monitoring and detecting thermal sealing defects includes a thermal imager, a controller, and an output device. The thermal imager is mounted along a process line that transports an object having at least one recently created thermal-seal. The contr... | 10/14/2008 |
| 7416330 | Method and apparatus for measuring temperature of substrate The temperature of the surface and/or inside of a substrate is measured by irradiating the front surface or rear surface of the substrate, whose temperature is to be measured, with light and measuring the interference of a reflected light from the substrate and a re... | 08/26/2008 |
| 7404671 | Dynamic acoustic thermometer Acoustic temperature measurement at a remote location is provided. An acoustic source transmits acoustic radiation to an acoustic receiver along an acoustic path. The path passes through or near the remote location. The temperature is non-uniform along the path. A c... | 07/29/2008 |
| 7402808 | Radiation imaging system and method An imaging system for generating an image of an object is provided. The imaging system comprises an X-ray source disposed in a spatial relationship to the object configured to transmit X-ray radiation through the object. The system further comprises at least one X-r... | 07/22/2008 |
| 7384192 | Method for measuring cooling/heating curves of molten masses A method is provided for measuring the cooling curve of melts and/or the heating curve of melt samples with an optical fiber, wherein an immersion end of the optical fiber having an at least partially free surface is surrounded with a spacing by a temperature-resist... | 06/10/2008 |
| 7374334 | Performance testing apparatus for heat pipes A performance testing apparatus for a heat pipe includes an immovable portion having a cooling structure defined therein for cooling a heat pipe needing to be tested. A movable portion is capable of moving relative to the immovable portion. A receiving structure is ... | 05/20/2008 |
| 7357571 | Infrared inspection and reporting process An infrared inspection and reporting process and system obtains inspection data on site via a portable computer. An actual temperature of a component derived from an infrared image and a temperature delta between the temperature of the component and the maximum temp... | 04/15/2008 |
| 7332718 | Method for finding disconnection of conductive wires formed on plate glass and apparatus therefor The invention relates to a method for finding disconnection of a conductive wire formed on a plate glass. This method includes the steps of (a) applying a voltage to the conductive wire; and (b) imaging thermal radiation from a surface of the conductive wire by an i... | 02/19/2008 |
| 7324681 | Apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar The present invention is directed to solving the problems associated with the detection of surface defects on metal bars as well as the problems associated with applying metal flat inspection systems to metal bars for non-destructive surface defects detection. A spe... | 01/29/2008 |
| 7282281 | Method for recognition of a leak in a fuel cell A leak in the membrane of a fuel cell leads to an uncontrolled and heat-generating reaction which can destroy the fuel cell. A method for recognition of a leak in a fuel cell is disclosed which leads to an automatic closing down of the fuel cell without a safety dev... | 10/16/2007 |
| 7258483 | Device for measuring the level and/or the temperature in a container A device for measuring at least one of a level and a temperature of a liquid in a container includes a resistor arrangement adapted to be immersed in the liquid. An immersed length of the resistor arrangement in the liquid corresponds to the level of the liquid in t... | 08/21/2007 |
| 7249885 | Heat flux measuring device for pressure pipes, method for producing a measuring device, method for monitoring an operating state of a heat exchanger, heat exchanger and method for measuring a heat flux A measuring device for a heat exchanger includes a heat exchanger pressure pipe having a pipe wall with a circumference, and an indentation extending over and deforming a portion of the circumference. At least one thermocouple is disposed eccentrically in the portio... | 07/31/2007 |
| 7238382 | Method and system for characterizing porous materials A method and system for diagnosing the effectiveness of a treatment on a porous material. For example, the porous material can include a porous low dielectric constant material. In particular, the method can utilize FTIR spectroscopy to characterize the porosity of ... | 07/03/2007 |
| 7212283 | Imaging sensor optical system The present invention relates to an in-vessel or down-hole optical imaging sensor or system for operating in structures which may contain media with different spectral transmission characteristics. The imaging sensor of the present invention selectively emits and/or... | 05/01/2007 |
| 7163335 | Oilfield thread makeup and breakout verification system and method The thread engagement verifier system provides for verifying the quality of a threaded connection 12 between upper and lower for tubular member 16, 18. One or more thermal radiation sensors 14 are used in combination with a data acquisition and ... | 01/16/2007 |
| 7155961 | Bleed leak detection system A leak detector for an insulated duct carrying pressurized hot air comprises a cuff secured over a circumferential cut in the insulation of the duct, thereby creating a reservoir of hot air which has leaked from the duct, a manifold defining a conduit therein in com... | 01/02/2007 |
| 7149343 | Methods for analyzing defect artifacts to precisely locate corresponding defects Described are methods and systems for providing improved defect detection and analysis using infrared thermography. Test vectors heat features of a device under test to produce thermal characteristics useful in identifying defects. The test vectors are timed to enha... | 12/12/2006 |
| 7147037 | Leak detector for mixed heat exchangers A leak detector for mixed heat exchangers. In mixed heat exchangers it is important to monitor leaks from the liquid flows to the gas flows since liquid can damage delicate machinery. A barrier is mounted on the gas side of the heat exchanger. The barrier contains a... | 12/12/2006 |
| 7124625 | Glide-height disk-tester and method of operation A glide-height disk-tester operates with the test disk rotating at a predetermined constant rotational speed and uses a glide head with an electrically-resistive heater and a thermally-responsive protrusion pad located on its trailing end. The linear velocity of the... | 10/24/2006 |
| 7106066 | Micro-electromechanical switch performance enhancement In methods and circuits for using associated circuitry to enhance performance of a micro-electromechanical switch, one of the method embodiments is a contact conditioning process including applying a time-varying voltage to the control element of a closed switch. In... | 09/12/2006 |
| 7097351 | System of monitoring operating conditions of rotating equipment A monitoring system for rotating equipment includes detection of temperature conditions in various areas of the system including motor and pump bearings, mechanical seal environment including seal flush, seal cooler and seal reservoir and process fluid temperature. ... | 08/29/2006 |
| 7093480 | Method and apparatus to stress test medicament inhalation aerosol device by inductive heating A method and apparatus for heat stress testing medicament aerosol inhalation devices, such as a metered dose inhaler, is described. An electrical induction work coil is used to heat the inhalers to 55° C.±5° C. Heated inhalers are subsequently weighed to detect a... | 08/22/2006 |
| 7090393 | Using thermal imaging to prevent loss of steam turbine efficiency by detecting and correcting inadequate insulation at turbine startup The invention involves the use of thermal imaging equipment to take infrared images of a steam turbine during start-up. The exterior temperatures developed from the infrared images are correlated with turbine vibration data to determine which insulation temperature ... | 08/15/2006 |
| 7088442 | Device and method for a quality test of a body A device for quality testing of a body comprising a surface comprising a structuring bounded by edges and a substantially edge-free unevenness, wherein the structuring illustrates a quality impairment and wherein the unevenness illustrates a potential quality impair... | 08/08/2006 |
| 7083327 | Method and apparatus for detecting kissing unbond defects A active thermographic method for detecting subsurface defects in a specimen, particularly kissing unbond defects, includes heating a specimen, applying a force to the surface of the specimen to shift and separate the walls of the defect, and obtaining thermographic... | 08/01/2006 |
| 7073979 | Method and apparatus for performing sewer maintenance with a thermal sensor A method and apparatus for performing maintenance on sewer pipes using a thermal sensor. The method and apparatus may be applied to the reinstatement of lateral openings after a liner has been installed in a main pipe. The thermal sensor detects the location of the ... | 07/11/2006 |
| 7068449 | Slider fly control A disc drive data storage system is disclosed that includes a disc storage medium having a disc surface. The system also includes an armature and a slider coupled to the armature. The slider supports a transducer head that communicates with the disc storage medium. ... | 06/27/2006 |
| 7062387 | Method and apparatus for leak detection in low density gas-filled disk drives The present invention is directed to the detection of gas leaks from a gas-filled disk drive. In accordance with embodiments of the present invention, gas leaks from a disk drive can be detected by monitoring certain disk drive parameters. Furthermore, different typ... | 06/13/2006 |
| 7043964 | Method and system for detecting leaks in a plugged honeycomb structure A method for detecting leaks in a plugged honeycomb structure includes directing a gas at a first end face of the honeycomb structure at a temperature that is different from a temperature of the honeycomb structure and observing a temperature distribution at a secon... | 05/16/2006 |
