Quotables
"One of the greatest labor saving inventions of today is tomorrow!"
Vincent T. Floss
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7946175 | In-situ monitoring device and method to determine accumulated printed wiring board vibration stress fatigue A monitoring system includes a calibrated micro-electro-mechanical structure (MEMS) matrix in communication with a controller. The MEMS matrix includes MEMS elements of various sizes which create a continuum of vibration-stress-resistant elements. The MEMS elements ... | 05/24/2011 |
| 7302368 | Method and arrangement for forming construction This invention relates to the forming of a construction, where structural models representing structural members and the models of the loads describing real loads are used. The models of the loads are situated in the same space with the structural models of the cons... | 11/27/2007 |
| 7281434 | Service life sensor device A device for monitoring the service life of a machine-technical installation includes a sensor module and at least a measuring sensor for detecting stresses and expansions from a structural component of the machine-technical installation, a microcontroller, an anten... | 10/16/2007 |
| 7261489 | Fastener assembly for attaching a non-metal component to a metal component A fastener assembly for attaching components of dissimilar materials includes a fastener having a base portion and a protruding portion, and a mechanism for tightening the assembly. The base portion is shaped to be complementary for mating with an attachment feature... | 08/28/2007 |
| 7171314 | Methods and systems for analyzing structural test data Systems and methods for analyzing structural test data are disclosed. In one embodiment, a method includes applying a sequence of loads to a test article, receiving raw test data indicative of the applied loads from at least one sensor operatively associated with th... | 01/30/2007 |
| 7149632 | On-line system and method for processing information relating to the wear of turbine components A method comprises storing data relating to the wear of a component of at least one turbine system in a database of a system for processing wear related information, generating a displayable menu containing a plurality of user-selectable links respectively associate... | 12/12/2006 |
| 7107159 | Systems and methods to determine elastic properties of materials The present invention provides systems and methods to used a measured driving-point response of a nonlinear material to determined one or more elastic properties of the material. The present invention takes advantage of the full information represented by the transi... | 09/12/2006 |
| 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 |
| 7060971 | Reference standard systems for thermosonic flaw detection A flaw inspection system (10) contains a substrate (12) to be inspected, such as a generator tube wall, a rotor of a generator, an aircraft skin, having or thought to have interior defects (24, 26) such as stress cracks, where the substrate (... | 06/13/2006 |
| 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 |
| 6945111 | System and method for identifying incompletely cured adhesive A system for inspecting adhesive in a composite structure, such as for soft or improperly cured regions, includes a transducer and a processing element. The transducer can transmit a signal, such as an ultrasonic signal, into the adhesive such that at least a portio... | 09/20/2005 |
| 6932560 | Apparatus and method for detecting an impact on a rotor blade A gas turbine engine (10) comprises a fan rotor (26) having a plurality of fan blades (24) and an apparatus (34) for detecting an impact on the fan blades (24). The apparatus (34) comprises speed sensors (48,48B) arra... | 08/23/2005 |
| 6918747 | Method and system for detecting damage to the rotor of an aircraft engine A method and system for detecting damage to the rotor of an aircraft engine using devices for measuring vibration and speed in order to acquire data relating to the speed of the rotor and also to the amplitude and the phase of rotor vibration during a determined fli... | 07/19/2005 |
| 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 |
| 6880401 | Fatigue test device and method for testing the thin plate A fatigue test device for thin plates can reliably perform tests. The fatigue test device has a rod having ends in a longitudinal direction thereof; a vibration source for excitating a longitudinal end of the rod in the longitudinal direction thereof so as to form a... | 04/19/2005 |
| 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 |
| 6799463 | Method and system for automated fatigue and structural analysis of an element A method, system and computer program product are provided for automated fatigue and structural analysis of a structural element. The method, system and computer program product consolidate and manage the fatigue and structural analysis tools and are responsive to u... | 10/05/2004 |
| 6715336 | Piezoelectric force motion scanner Disclosed are a device and a corresponding method to test the fretting of a ball bearing under precisely controlled conditions. The device employs a first piezoelectric actuator to deliver a pre-determined force to the surface of a ball bearing or other object to be... | 04/06/2004 |
| 6704664 | Fatigue sensitivity determination procedure A method for determining the sensitivity of the fatigue life of a structural component with respect to specific design parameters includes obtaining the stress profile for a structural component under random process establishing a relationship between the... | 03/09/2004 |
| 6698288 | Method and system for assembling and nondestructive testing of assemblies with composite components A method and system for nondestructively detecting and characterizing defects in articles, including assemblies that may include components formed of composite materials. The method entails vibrating an entire article/assembly to induce an oscillating str... | 03/02/2004 |
| 6664067 | Instrument for high throughput measurement of material physical properties and method of using same An apparatus and method for screening combinatorial libraries of materials by measuring the response of individual library members to mechanical perturbations is described. The apparatus generally includes a sample holder for containing the library member... | 12/16/2003 |
| 6575620 | Method and device for visually measuring structural fatigue using a temperature sensitive coating A method and device for visually detecting crack length of a temperature sensitive paint coated test structure during excitation of the test structure. The method and device of the invention capitalizes on surface temperature changes of the test structure... | 06/10/2003 |
| 6469639 | Method and apparatus for low power, micro-electronic mechanical sensing and processing A method and apparatus for low-power sensing and processing are provided. A method preferably includes collecting a plurality of sensor signals. The plurality of sensors include sensed data representative of at least shock and vibration. The method also i... | 10/22/2002 |
| 6385564 | Measuring system repeatable bandwidth for simulation testing A system and method for identifying characteristics of a physical system applies substantially identical drive ensembles to the physical system and obtains corresponding responses from the physical system. A repeatable bandwidth of the physical system is ... | 05/07/2002 |
| 6343513 | Non-destructive evaluation method and apparatus for measuring acoustic material nonlinearity An acoustic non-linearity parameter (ଲ) measurement method and system for Non-Destructive Evaluation (NDE) of materials and structural members obviates the need for electronic calibration of the measuring equipment. Unlike known substitutional measu... | 02/05/2002 |
| 5969226 | Fretting wear machine A hardened steel ball presses against a vibrating sample to be subject to fretting. The amplitude and frequency of vibration can be precisely controlled by a stack of piezoelectric transducers. The biasing force of the steel ball against the sample can al... | 10/19/1999 |
| 5852793 | Method and apparatus for predictive diagnosis of moving machine parts For automatically predicting machine failure a transducer sensor, such as piezoelectric crystal, is applied to a machine for sensing machine motion and structure-borne sound, including vibration friction, and shock waves. The structure-borne sound and mot... | 12/22/1998 |
| 5790617 | Method and apparatus for detection of failed fuel rods by use of acoustic energy frequency attenuation A system and method of the present invention measures the relative stress in the cladding of a nuclear fuel rod caused by the internal gas pressure of the rod. This is done by determining the attenuation ratio of two specific frequencies from a broadband ... | 08/04/1998 |
| 5614674 | Method and apparatus for predicting fatigue by introducing a continuous excitation to determine damping factor The fatigue integrity of metallic materials may be determined by either one of two methods. In a first method, an impulse of energy is introduced into the material, such as by striking the material (20), and the induced vibration is sensed and analyzed in... | 03/25/1997 |
| 5493511 | High speed thin plate fatigue crack monitor A device and method are provided which non-destructively detect crack length and crack geometry in thin metallic plates. A non-contacting vibration apparatus produces resonant vibrations without introducing extraneous noise. Resulting resonant vibration s... | 02/20/1996 |
| 5423223 | Fatigue detection in steel using squid magnetometry The magnetoelectric coefficient in iron-based alloys has a stress value of about 0.6 of that of the elastic limit. A reversal in sign is caused by structural phase slip which is the basis for the onset of metal fatigue. Based on this phenomenon, a method ... | 06/13/1995 |
| 5375451 | Testing system for dissipative mechanical phenomena A method and apparatus is provided for testing dissipative mechanical phenomena, including fretting wear. An actuator (54) effects frictional oscillatory slip motion between a stylus (32) and a workpiece (30) in contact. A displacement transducer (62) det... | 12/27/1994 |
| 5335184 | Nondestructive ultrasonic testing of materials Reflection wave forms obtained from aged and unaged material samples can be compared in order to indicate trends toward age-related flaws. Statistical comparison of a large number of data points from such wave forms can indicate changes in the microstruct... | 08/02/1994 |
| 5327358 | Apparatus and method for damage detection A method for detecting damage in the structure includes a plurality of steps. These steps include determining first data indicative of pre-damage modal parameters of the structure, determining second data indicative of post-damage modal parameters of the ... | 07/05/1994 |
| 5293555 | System and method for locating material fatigue using multiple sensors A system for locating a fatigue point on a structure (10) employing a smart sensor patch (12) having three triangularly adjacent acoustic sensors (40 a,b,c). The smart sensor patch (12) has a local processor (34) associated therewith, which triangulates t... | 03/08/1994 |
| 5163011 | Real time load monitoring system with remote sensing A system for determining the magnitude of loads on rotating helicopter components from sensor signals remotely measured on the helicopter fuselage is characterized by a controller which samples the sensor signals according to phase. These measured signals... | 11/10/1992 |
| 5095442 | Nondestructive measurement of fractions of phases in mixtures and composite materials The weight fractions of the phases of a composite material working specimen are determined nondestructively by first performing a sufficient number of nondestructive and destructive calibration measurements on the properties of calibration specimens. The ... | 03/10/1992 |
| 5041987 | Method for predicting and controlling the strength development of concrete and apparatus therefor A method for predicting and controlling the strength development of concrete includes placing test concrete having the same composition as the subject concrete in a vessel which may be temperature regulated. The temperature inside the vessel is measured a... | 08/20/1991 |
| 5005415 | Method and apparatus for detecting variations in a process by processing emitted acoustic signals An apparatus for processing acoustic emissions or stress waves in order to recognize features indicative of variations in the process producing the acoustic emissions. The apparatus comprises a transducer acoustically coupled to a machine or industrial pr... | 04/09/1991 |
