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| Number | Title | Issue Date |
| 8190377 | Enhanced rail inspection Rail inspection is discussed that employs a monitor vehicle running on one or more tracks of a rail system that performs physical rail inspection in combination with monitoring and analysis of other system parameters that accompany the physical rail. ... | 05/29/2012 |
| 8175818 | Device and method of monitoring an environmental parameter in real time A monitoring device of environmental parameter values of an environment surrounding a system. The device includes a sensor to these parameters, and includes a capability to transmit, in real time, each measurement to a processing unit. The processing unit is install... | 05/08/2012 |
| 8165825 | Method for electromagnetically measuring physical parameters of a pipe The invention discloses a method for electromagnetically measuring physical parameters of a pipe that includes measuring a pipe inner diameter ID and a pipe ratio of magnetic permeability to electrical conductivity μ2/σ2 by means of a measuring arrangement 1 | 04/24/2012 |
| 8165826 | Data driven method and system for predicting operational states of mechanical systems There is provided an automated data driven method for predicting one or more operational states, such as wear or degradation, of a mechanical system over time. The method has the steps of collecting data on the mechanical system from a data recording device, preproc... | 04/24/2012 |
| 8121799 | Life estimating method for heater wire, heating apparatus, storage medium, and life estimating system for heater wire A method of estimating the life of a heater wire, including the steps of: detecting a maximum value of electric power supplied to the heater wire during a temperature rising period during which a temperature is elevated to a preset heating temperature, obtaining an ... | 02/21/2012 |
| 8116990 | Method and system for real-time prognosis analysis and usage based residual life assessment of turbine engine components and display A method and system for performing continuous (real-time) physics based prognostics analysis as a function of actual engine usage and changing operating environment. A rule-based mission profile analysis is conducted to determine the mission variability which yields... | 02/14/2012 |
| 8116989 | Device and method for determining a runway state, aircraft comprising such a device and piloting assistance system using that runway state A device and associated method for determining an airport runway state includes a device that determines a runway state and is placed on board an aircraft. The device collects measured deceleration data of the aircraft during taxiing of the aircraft on the runway. T... | 02/14/2012 |
| 8103460 | Customizable contactor prognostics system A method and apparatus for identifying the health status of a contactor include the steps of counting the number of operations performed by the contactor, identifying a closing time of the contactor, using the number of operations and the closing time to assess the ... | 01/24/2012 |
| 8099246 | Device for assessing operating-mode transition reliability Embodiments of a system (such as a computer system), a circuit, a method and a computer-program product (e.g., software) for use with the computer system are described. In these embodiments, one or more physical characteristics of a device may be monitored, and the ... | 01/17/2012 |
| 8090545 | Method and apparatus for determination of the life consumption of individual components in a fossil fuelled power generating installation, in particular in a gas and steam turbine installation A method for prior determination of a life consumption of individual components in a fossil-fuelled power generating installation, with respect to a load cycling process to be carried out is provided. An apparatus is also provided for prior determination of a life c... | 01/03/2012 |
| 8082115 | Data acquisition system for condition-based maintenance Generally, a system and method consistent with the present disclosure may provide a relatively low cost, relatively robust data acquisition and analysis system useful for condition-based maintenance. The system may be useful for condition-based maintenance in indust... | 12/20/2011 |
| 8082114 | Method for characterizing the endurance limit of a part from its surface profile The invention concerns a method for characterizing the endurance limit of a part from the state of its surface including the following steps: reading geometrical data describing the surface profile of the zone the endurance limit of which is to be determined, applyi... | 12/20/2011 |
| 8055455 | Decomposition mode matching change index A method, apparatus, and computer usable program code for identifying change indices for a structure. In one advantageous embodiment a method receives a response signal in response to a transmission of an interrogation signal into the structure. The response signal ... | 11/08/2011 |
| 8050874 | Autonomous remaining useful life estimation Autonomous remaining useful life estimation equipment interacts with the operator through natural speech, voice and sound and provides active failure prevention through automatic and/or continuous remaining useful life estimation of a material under evaluation. The ... | 11/01/2011 |
| 8005629 | Method for monitoring sensor function A method for monitoring the functioning of sensors for the measurement and monitoring of state parameters of liquids or gases, especially in the field of process measurement technology, for example of electrochemical, electrophysical or optical sensors, wherein the ... | 08/23/2011 |
| 7970555 | Method for developing a repair process to correct a deformed gas turbine engine component A method of developing a repair process for a gas turbine engine component deformed during engine operation includes determining peak stress locations in a model of the component, applying loads to sample components based on the model to produce geometrical correcti... | 06/28/2011 |
| 7970556 | System and method for monitoring the condition of a gear assembly A system and method for monitoring the condition of a gear assembly analyzes a signal output by a vibration detector that is attached to the gear assembly. Each time that an amplitude of the signal output from the vibration detector exceeds a threshold value, the sy... | 06/28/2011 |
| 7949479 | In on or relating to rotating machines A rotating machine, has a rotary component, which includes a memory device for storing data relating to the past use of the component. The data are associated with rotational speed and ambient temperature, which are detected by detectors either on or off the rotary ... | 05/24/2011 |
| 7949478 | Hose assembly analysis apparatus and methods An in-situ lifespan is predicted for a hydraulic or pneumatic hose assembly for a particular installation, so that the hose assembly may be replaced before failure. A user of the apparatus, e.g. whilst on-site, is prompted to enter basic hose data together with a ra... | 05/24/2011 |
| 7945397 | System and method for gearbox health monitoring A system includes a plurality of sensors configured to measure one or more characteristics of a gearbox. The system also includes a gearbox condition indicator device, which includes a plurality of sensor interfaces configured to receive input signals associated wit... | 05/17/2011 |
| 7941280 | Procedure and device for checking the functionality of a tank ventilation valve A procedure for checking the functionality of a tank ventilation valve of a tank ventilation system for a motor vehicle with a fuel tank, an adsorbing filter, which is connected to the fuel tank over a filter line and which provides a vent pipe, and with the tank ve... | 05/10/2011 |
| 7941282 | Estimating worst case corrosion in a pipeline A method and system for estimating the worst case corrosion in a pipeline for which pipeline wall thickness measurements are limited to sampled ultrasonic or radiography (UT/RT) measurements. A data library contains distributions of in-line inspection (IL) measureme... | 05/10/2011 |
| 7941281 | System and method for rotor blade health monitoring A system for rotor blade health monitoring include time of arrival (TOA) sensors and a controller comprising a processor configured for obtaining TOA signals indicative of times of arrival of rotating rotor blades from the respective TOA sensors and for determining ... | 05/10/2011 |
| 7930111 | Synthesized synchronous sampling and acceleration enveloping for differential bearing damage signature A system for detecting differential bearing damages includes a synthesized tachometer that generates a tachometer signal corresponding to the race speed difference of a bearing assembly such that the bearing damage speed difference dependency can be eliminated and t... | 04/19/2011 |
| 7925452 | Method and apparatus for nondestructive corrosion detection using quantum dots A method, apparatus, and computer usable program code for non-destructive detection of corrosion using quantum dots. In one embodiment, a surface of an area on a commodity associated with a set of quantum dots is tested. A pattern of wavelengths emitted by the set o... | 04/12/2011 |
| 7925453 | Assessing conditions of aircraft wiring A method of assessing potential conditions affecting aircraft electrical wiring systems. Electrical wiring system components potentially affected by a potential failure condition of the aircraft are identified. Probabilistic and/or statistical methods are used to de... | 04/12/2011 |
| 7925454 | Process for determining a remaining life of a deteriorated turbine component A process for determining a remaining useful life for a turbine airfoil that suffers from erosion or corrosion damage in order to reuse a component that still has acceptable remaining life. The process includes the steps of removing the damaged component, scanning t... | 04/12/2011 |
| 7908095 | Detecting damage in metal structures with structural health monitoring systems A method useful in structural health monitoring (SHM) systems for detecting damages in metal structures includes extracting the zero-order symmetric and anti-symmetric mode signal components from each of a plurality of current sensor signals of an array of transduce... | 03/15/2011 |
| 7904255 | Device for assessing operating-mode transition reliability Embodiments of a system (such as a computer system), a circuit, a method and a computer-program product (e.g., software) for use with the computer system are described. In these embodiments, one or more physical characteristics of a device may be monitored, and the ... | 03/08/2011 |
| 7904254 | Power conversion apparatus and method of estimating power cycle life For applications in a facility where a power conversion apparatus is frequently started and stopped, a power conversion apparatus and a power cycle longevity estimation method are provided which improve an ease of use of the facility. The power conversion apparatus ... | 03/08/2011 |
| 7895001 | Subsea control system diagnosis Accurate, dependable methods for analyzing operational parameters of subsea control systems and diagnosis/prediction of failures are provided, in particular, methods for detection of leaking and/or clogging in hydraulic control system using recorded pressure signals... | 02/22/2011 |
| 7881879 | Methods and systems for wheel balancer matching and flat spot correction Methods and systems for a computer implemented method of analyzing a vehicle wheel assembly including a tire and a rim is provided. The method includes removably mounting a wheel assembly on a shaft having a longitudinal axis and being rotatable about the longitudin... | 02/01/2011 |
| 7881880 | Actuator performance monitoring system A method for monitoring performance of an actuator is provided that includes the steps of: 1) determining an actuator response time constant in a control system, which actuator response time constant is representative of a task time taken by the actuator to complete... | 02/01/2011 |
| 7877216 | Method, system, and apparatus for friction pad wear and brake condition monitoring A brake, system, and method are presented. The brake includes friction material, a backing pad, sensor-wear material embedded within the friction material, and an electronics assembly. The electronics assembly is configured to measure a characteristic of the sensor-... | 01/25/2011 |
| 7877215 | Evaluation method for rolling bearing part An evaluation method for a rolling bearing part capable of easily and properly detecting deformation of the rolling contact surface of the rolling bearing part formed of raceway rings or rolling element of a rolling bearing. First, the order and amplitude of wavines... | 01/25/2011 |
| 7865315 | Methods and apparatus for calibrating striation density models for materials A method for generating a calibration for a striation density model with respect to a material includes the steps of generating a first relationship between a striation density and a depth of a crack in a specimen comprising the material, generating a second relatio... | 01/04/2011 |
| 7860662 | Systems and methods for determining filter service lives A method for determining a service life for a filter includes measuring exposure data and calculating a service life estimate based on the exposure data. The service life estimate is representative of an estimated exposure time that the filter is exposed to ambient ... | 12/28/2010 |
| 7840362 | Method and apparatus for assessing the residual life of a sensor unit The life of a sensor unit is very strongly dependent on the loading of the sensor unit during use. The life of a sensor unit is generally specified in a number of loading cycles, however, which does not take into consideration the loading of the sensor unit. The inv... | 11/23/2010 |
| 7831396 | Method and device for predicting a life expectancy of a product containing a plurality of components A method and a device are for predicting a life expectancy of a product, which includes at least two components. The life expectancy is ascertained as a function of an assumed field loading of the product. The components of the product are acted upon by different lo... | 11/09/2010 |
| 7826984 | Method and a control system for monitoring the condition of an industrial robot An industrial robot diagnostic method including performing a condition analysis utilizing at least two selected input signals, wherein each selected input signal indicates a condition related to a property of the industrial robot, performing an analysis of any combi... | 11/02/2010 |
