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| Number | Title | Issue Date |
| 7770453 | Vibrating debris remover Embodiments of the present invention relate to a device which may be permanently attached or removably attached to a material such as a vehicular glass window or airplane wing. This device may comprise of a converter sub-unit or vibrator and a coupler. These element... | 08/10/2010 |
| 7430910 | Device for testing cabin parts of commercial aircrafts A simulation arrangement is used for laboratory testing of enclosed partial cabins to be installed as resting cabins in commercial aircraft. The partial cabin is outfitted with vibration generators for simulating the excitation of structure-borne noise corresponding... | 10/07/2008 |
| 7412899 | MEMS-based monitoring A solution for monitoring a property of an object and/or an area using a Micro-ElectroMechanical Systems (MEMS)-based monitoring device is provided. In an embodiment of the invention, the MEMS-based monitoring device includes a MEMS-based sensing device for obtainin... | 08/19/2008 |
| 7368717 | Density detection using real time discrete photon counting for fast moving targets A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the... | 05/06/2008 |
| 7365332 | Density detection using real time discrete photon counting for fast moving targets A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the... | 04/29/2008 |
| 7342665 | System and method for control of paint thickness The invention is directed to a system and method for implementing process control for paint thickness using sonic NDE techniques. The system may, for example, generate ultrasound waves in a test object during the manufacturing process. A detector such as an interfer... | 03/11/2008 |
| 7335887 | System and method for target inspection using discrete photon counting and neutron detection Described herein is system for the inspection of a target object. The system may include a gamma radiation source, a gamma detector and an image processor coupled to the gamma detector. When the inspection system is operating in a first active mode for imaging a tar... | 02/26/2008 |
| 7328622 | Soft support systems and methods for dynamically testing structures Soft support systems and methods for dynamically testing structures are disclosed. In one embodiment, a soft support system adapted to decouple a structure from a support surface for dynamic testing includes a containment bag, an inflatable chamber disposed at least... | 02/12/2008 |
| 7286241 | System and method for high-speed laser detection of ultrasound A system and method for laser light amplification provides amplification of a laser light beam emitted from a laser light source as low-amplification seed laser light signal. The low-amplification seed laser light signal is transmitted to an amplification component.... | 10/23/2007 |
| 7240544 | Aerodynamic noise source measurement system for a motor vehicle An aerodynamic noise measurement system for a vehicle uses sound reflectors to determine the sound wave propagation of aerodynamic noise of the vehicle. The vehicle is placed within a test section of a wind tunnel. The air flow of the wind tunnel generates the aerod... | 07/10/2007 |
| 7208749 | System and method for locating and positioning an ultrasonic signal generator for testing purposes The invention is directed to an ultrasonic testing system. The system tests a manufactured part for various physical attributes, including specific flaws, defects, or composition of materials. The part can be housed in a gantry system that holds the part stable. An ... | 04/24/2007 |
| 7181356 | Device and method for analyzing the structure of a material The invention relates to a device that is used to analyse the structure of a material. The inventive device comprises: probe elements (5) which are used to (i) emit a wave, in the material, with emission delay laws that correspond to several simultaneous devi... | 02/20/2007 |
| 7167009 | Method and apparatus for determining electrical properties of structures A method and apparatus for determining an electrical property of a structure. The method involves creating a model of an electrical property of a structure and measuring the electrical property of the structure between at least two of a plurality of locations. The m... | 01/23/2007 |
| 7127942 | Wind tunnel testing A wind tunnel model for wind tunnel testing having an additional mass mounted on the model via vibration absorbing material to dampen model vibration. ... | 10/31/2006 |
| 7085655 | Method and device for detecting defects of at least one rotary wing aircraft rotor A method and apparatus for detecting the defects of at least one rotor of a rotary wing aircraft, in particular a helicopter, in order to adjust the rotor. In the method, in a preliminary step, a reference aircraft is used corresponding to a particular type of aircr... | 08/01/2006 |
| 7080555 | Distributed mode system for real time acoustic emission monitoring A distributed real time health monitoring system is described for monitoring of acoustic emission signals from different regions of a structure such as aircraft or spacecraft structures. The health monitoring system has its analysis and prognosis intelligence distri... | 07/25/2006 |
| 7082388 | Flutter test model A flutter test model is provided that utilizes a novel approach for fixing wing elements to an elastic spar, resulting in reduced airflow disturbance. A test wing has an elastic spar that simulates the elasticity of a wing of an actual airplane, and a plurality of w... | 07/25/2006 |
| 7072784 | System for monitoring wind power plants A system to acoustically monitor at least one wind power installation, wherein the wind power installation includes a plurality of components including at least rotor blades. The system may comprise a remote monitoring center and a first wind power installation. The... | 07/04/2006 |
| 7069154 | Method and apparatus for detecting and automatically identifying defects in technical equipment A method and apparatus for detecting and automatically identifying defects in technical equipment, is disclosed. Measurement signals varying in time are downloaded as spectrograms to a computer memory. Using a predetermined criteria a set of designated peak values i... | 06/27/2006 |
| 7057176 | System and method for multiple mode flexible excitation in sonic infrared imaging A defect detection system for thermally imaging a structure that has been energized by a sound energy. The system includes a transducer that couples a sound signal into the structure, where the sound signal causes defects in the structure to heat up. In one embodime... | 06/06/2006 |
| 7038790 | Method and apparatus for detecting ultrasonic surface displacements using post-collection optical amplification The present invention detects ultrasonic displacements includes a detection laser to generate a first pulsed laser beam to detect the ultrasonic surface displacements on a surface of the target. Collection optics to collect phase modulated light from the first pulse... | 05/02/2006 |
| 7036361 | Method and device for checking the air noise of a motor vehicle A method is used for checking the air noise of a motor vehicle, particularly of a passenger car, which air noise is generated by air flowing onto an outer skin of a vehicle body of the passenger car. In order to optimize this method, targeted air currents are applie... | 05/02/2006 |
| 7010982 | Method of ultrasonically inspecting airfoils A method is disclosed for nondestructively examining airfoils for defects without removing them from the turbine machines of which they are a part. The method uses phased array ultrasound technology, which can be used with all types of airfoils. The angle of entry o... | 03/14/2006 |
| 6990419 | System for identifying a signal source A system for identifying a signal source in a predetermined space, the system including multiple sensing units arranged at different locations to detect signals in the predetermined space. The system also includes one or more recording units arranged to separately a... | 01/24/2006 |
| 6975948 | Method of identifying a source of a signal In a method of identifying a source of a signal, the signal is recorded and then analyzed in order to determine its spectrum. The method includes the following steps: in parallel with recording the signal, storing parameters signif... | 12/13/2005 |
| 6947852 | Monitoring and correcting for non-translational motion in a resonance measurement apparatus A system and method for assessing and potentially correcting for non-translational motion in a resonance measurement apparatus is provided. The design measures the response of an article, such as an HGA assembly including a read/write head, as well as the excitation... | 09/20/2005 |
| 6892152 | Method for identifying a signal source A method for identifying a signal source in a predetermined space, the method including inventorying a set of identified signatures corresponding to a plurality of signal sources and recording a signal simultaneously at different locations of the predetermined space... | 05/10/2005 |
| 6829959 | Apparatus and method for moving a sensor over a workpiece The apparatus and method for moving a sensor over a workpiece includes a sensor, and an actuating member. The sensor, such as a non-destructive test sensor, is carried by the actuating member, and the actuating member is at least partially disposed within a housing.... | 12/14/2004 |
| 6804615 | Method of estimating system dynamics by subsystem transfer function testing A method according to the present invention calculates a performance function for a structural system (10) that can be used to determine system dynamics at points of interest on the structural system (10). A test input force is applied to an input subs... | 10/12/2004 |
| 6792809 | Self-aligning turbine disc inspection apparatus A self-aligning turbine disc inspection apparatus (30) for positioning a non-destructive examination sensor (38) proximate the disc web surface (20) of a turbine rotor assembly (10). The apparatus supports the sensor at a proper height ab... | 09/21/2004 |
| 6637266 | Non-destructive inspection, testing and evaluation systems for intact aircraft and components and method therefore A non-destructive inspection, testing and evaluation system and process is provided for the review of aircraft components. The system provides for a structure configured to contain an inspection and testing apparatus and the aircraft components under insp... | 10/28/2003 |
| 6619127 | Structural test soft support system A support system for ground vibration testing of a large flexible structure. The system includes a plurality of light weight lifting mechanisms that impart an upward force sufficient to lift the flexible structure off the ground. The system also includes ... | 09/16/2003 |
| 6613169 | Thermoplastic rewelding process Thermoplastic welding is an emerging technology targeted at significantly reducing the manufacturing cost of aerospace structure by eliminating fasteners and the touch labor associated with fasteners to prepare, install, and inspect the assemblies. Qualit... | 09/02/2003 |
| 6564640 | Smart skin structures A smart skin structure has vibration energy managing and steering capabilities. The skin can be used to managing vibrations in the skin or shell of a system, subcomponent, device, or structure. The skin has sensors coupled to the skin to obtain a response... | 05/20/2003 |
| 6550332 | Real-time noise source visualizing system using acoustic mirror Disclosed is a noise source visualizing system used in a wind tunnel test to measure generated sounds, the system comprising an acoustic mirror for converging sound waves of sounds generated on a surface of a vehicle during a wind tunnel test; a microphon... | 04/22/2003 |
| 6263737 | Acoustic fault injection tool A device for generating an acoustic stress wave in metal structures in real-time. A cylindrical housing includes a chamber, a piezostack actuator inside the chamber, and a support ring for relieving strain. The actuator has a high tensile strength block e... | 07/24/2001 |
| 6192759 | Remote self-powered structure monitor An acoustic rotor monitor that is an autonomous self-powered measurement instrument which can detect embedded and hidden fatigue cracks in remotely inaccessible devices such as helicopter rotor system components. A predictive maintenance-related problem f... | 02/27/2001 |
| 6065344 | Apparatus and methods for cooling an ultrasonic inspection transducer for turbine rotor wheel repair A damaged turbine rotor wheel dovetail is repaired by cutting off the annular dovetail and welding a new forged ring onto the remaining wheel body. Fine-line welding is accomplished by inserting welding apparatus into grooves opening through axial faces o... | 05/23/2000 |
| 6014896 | Remote self-powered structure monitor An acoustic rotor monitor that is an autonomous self-powered measurement instrument which can detect embedded and hidden fatigue cracks in remotely inaccessible devices such as helicopter rotor system components. A predictive maintenance-related problem f... | 01/18/2000 |
| 6006163 | Active damage interrogation method for structural health monitoring An active damage interrogation (ADI) system (and method) which utilizes an array of piezoelectric transducers attached to or embedded within the structure for both actuation and sensing. The ADI system actively interrogates the structure through broadband... | 12/21/1999 |
