Vibration Patents (Class 340/683)
-
Patent number: 8922354Abstract: An external haptic generator for creating haptic feedback in portable electronic devices and more particularly, an external haptic generator in a vehicle providing a secure mount and creating haptic feedback in portable electronic devices that do not include haptic feedback generators.Type: GrantFiled: March 24, 2011Date of Patent: December 30, 2014Assignee: Visteon Global Technologies, Inc.Inventors: Wes A. Nagara, Theodore Charles Wingrove, Royce Duchante Channey, Anthony Joseph Ciatti
-
Publication number: 20140320298Abstract: A detection system for identifying deterioration in a structure is provided that has acoustic sensors that receive acoustic emission waves. The acoustic emission wave detected by the acoustic sensor is identified as a hit. An analysis circuit is present that identifies an A state, a B state, and a C state. The B state has increased hit activity from the A state where a rate B is greater than a rate A by a factor of f1. The C state has increased hit activity from the B state where a rate C is greater than the rate A by a factor of f2. An alarm is activated when an amount of time that the C state is identified as being present reaches a value of TM, or alternatively when a threshold value based upon of the number of hits and time in the C state is reached.Type: ApplicationFiled: May 12, 2014Publication date: October 30, 2014Applicant: Alertek, LLCInventor: Zvi H. Meiksin
-
Patent number: 8874255Abstract: A method of control of rotation of a spindle device and a control system of a machine tool which enable machining without generation of chatter vibration without using special tools of variable pitch cutting edges or chatter vibration detecting means. The method of control of rotation of a spindle device and control system of a machine tool according to the present invention store spindle rotational speed change data, which determines how to change a rotational speed of a spindle in accordance with an instructed speed, linked with machining conditions and stability limit data, select, from an instructed spindle rotational speed and machining conditions and the stored stability limit data, spindle rotational speed change data giving less vibration, and use the selected spindle rotational speed change data as the basis to change the rotational speed of the spindle.Type: GrantFiled: March 13, 2009Date of Patent: October 28, 2014Assignee: Makino Milling Machine Co., Ltd.Inventors: Ryoichi Miyamoto, Haruka Nagahara, Sumie Nagahara, Osamu Nagahara
-
Publication number: 20140313043Abstract: A user provides relevant information about the operating parameters of a machine to be monitored to a diagnostic instrument. The user also specifies a location of the machine to be monitored, an alarm level to be set, and the type of alert to be sent. The instrument then automatically generates appropriate an alarm threshold using a set of rules applied to the inputs. The instrument then transmits the alarm threshold to a removable stand-alone monitor. The stand-alone monitor acquires data about the machine, compares the date to the alarm threshold, and sends a user-specified alert when the alarm threshold has been reached. Using the diagnostic instrument and monitor, machines can be monitored for vibration, temperature, or a power parameter.Type: ApplicationFiled: July 1, 2014Publication date: October 23, 2014Inventor: Paul H. Heydron
-
Patent number: 8854226Abstract: A method of scheduling maintenance on mechanical equipment includes monitoring the mechanical equipment with a sensor and collecting diagnostic information provided by the sensor with a local controller associated with the mechanical equipment. The diagnostic information relates to an operational characteristic of the mechanical equipment. The method also includes generating an alarm with the local controller in response to the collected diagnostic information, transferring the alarm from the local controller to a remote monitoring system, assigning an alarm value to the alarm using one of the local controller and the remote monitoring system, referencing a maintenance schedule for the mechanical equipment to ascertain a scheduled maintenance timeframe, and one of generating a work order and not generating the work order for the mechanical equipment based on the alarm value and the scheduled maintenance timeframe.Type: GrantFiled: June 2, 2010Date of Patent: October 7, 2014Assignee: Trane International Inc.Inventor: David C. Wilson
-
Patent number: 8849587Abstract: A method for determining the health of a transformer through vibration measurement is disclosed. A vibratory signal, in the form of a physical mechanical vibration or auditory signal, is received at a sensor. The vibratory signal is converted into a frequency representation of the signal to derive its harmonics. Based on the power level for the harmonics in the vibratory signal, the harmonic current ratios in the transformer are calculated. The harmonic current ratios are summed together to quantify the health of the transformer. This value is called a K-factor, and is a quantification of the health of the transformer.Type: GrantFiled: December 27, 2011Date of Patent: September 30, 2014Inventors: Neal Fredrick Lightle, John Francis Jansen
-
Patent number: 8803698Abstract: A user provides relevant information about the parameters of a machine to be monitored to a vibration diagnostic instrument. The user also specifies a location of the machine to be monitored, an alarm level to be set, and the type of alarm to be sent. The instrument then automatically generates appropriate alarm thresholds and transmits the information to a removable stand-alone monitor. The stand-alone monitor acquires vibration data about the machine and sends the appropriate alerts when an alarm threshold has been reached.Type: GrantFiled: November 23, 2010Date of Patent: August 12, 2014Assignee: Fluke CorporationInventor: Paul Herman Heydron
-
Patent number: 8793081Abstract: A improved method of monitoring a structure by mounting a sensor within a cavity of the structure to measure at least one of strain experienced by the structure and vibration experience by the structure. Mounting a wireless communication unit mounted within the structure and connecting the wireless communication unit to the sensor to receive data from the sensor and transmit the data to a receiver outside the structure. Mounting a power supply within the structure and connecting the power supply to the sensor and the wireless communication unit to supply necessary electrical power to the sensor and the communication unit.Type: GrantFiled: July 6, 2011Date of Patent: July 29, 2014Assignee: KCF Technologies IncInventors: Jacob Loverich, Stephen J. Wenner, Jeremy E. Frank
-
Patent number: 8773274Abstract: Packaging installation with a metering apparatus and method for monitoring damage in a packaging installation in which packs (19) which are to be filled can be charged with the contents in each case by means of a metering apparatus (01) designed according to one of Claims 1 to 8, wherein —the vibrations of the wall of the dispensing container (02) are measured at least during operation of the stirrer (06) and/or of the metering screw (05), —the measured values are evaluated by the vibration evaluator (10), —deviations in the vibration behavior are detected and compared with limit values stored in the vibration evaluator (10), —when the limit values are exceeded, this indicates with sufficient probability, that the stirrer (06) or the metering screw (05) is in contact with the dispensing container (02), —an alarm is triggered by means of the vibration evaluator (10).Type: GrantFiled: April 28, 2011Date of Patent: July 8, 2014Assignee: Rovema GmbHInventor: Burkhard Licher
-
Patent number: 8665104Abstract: Systems and methods for protecting rotating machines are provided. Measurements data collected by a plurality of sensors may be received by a controller that includes one or more computers. The plurality of sensors may be configured to monitor vibrations associated with the rotating machine. Based at least in part upon the measurements data, the controller may determine that a respective amplitude change for at least two of the plurality of sensors exceeds a threshold condition. The controller may also determine that the threshold condition is exceeded for a predetermined period of time. Based at least in part upon determining that the threshold condition is exceeded for a predetermined period of time, the controller may identify an alarm event.Type: GrantFiled: April 29, 2011Date of Patent: March 4, 2014Assignee: General Electric CompanyInventors: Sanjeev Shyam Heda, Scott Alan Wood, Robert Joseph Iasillo
-
Patent number: 8638217Abstract: A system comprises a sensing node that includes a sensor, a processor, an energy harvesting circuit, a time keeper, a first energy storage device, and a second energy storage device. The energy harvesting circuit is connected for recharging the first energy storage device. The processor is connected for receiving all its power derived from the energy harvesting circuit. The second energy storage device is connected for powering the time keeper.Type: GrantFiled: March 12, 2010Date of Patent: January 28, 2014Assignee: Lord CorporationInventors: Steven W. Arms, Chris Pruyn Townsend, David Lawrence Churchill, Michael John Hamel
-
Monitoring method and apparatus using asynchronous, one-way transmission from sensor to base station
Patent number: 8618933Abstract: A monitoring system is disclosed, which includes a base station and at least one sensor unit that is separate from the base station. The at least one sensor unit resides in a dormant state until it is awakened by the triggering of a vibration-sensitive switch. Once awakened, the sensor may take a measurement, and then transmit to the base station the measurement. Once data is transmitted from the sensor to the base station, the sensor may return to its dormant state. There may be various sensors for each base station and the various sensors may optionally measure different quantities, such as current, voltage, single-axis and/or three-axis magnetic fields.Type: GrantFiled: October 2, 2007Date of Patent: December 31, 2013Assignee: The United States of America as Represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Scott L. Jensen, George J. Drouant -
Patent number: 8618934Abstract: A system and a method of long-term condition monitoring of structures are based on use of autonomous sensing modules, centers for storing and processing data and software for data analysis. An autonomous sensing module contains a set of sensors for measurements of parameters related to the condition of a monitored structure, a non-volatile memory, a wireless data transfer unit, a controller, a clock circuit, a battery, an energy harvesting device and a power management unit. The autonomous sensing module provides a very long-term (40 years or more) functionality and reliability due to both use of at least near hermetic packages for the controller, the non-volatile memory, the battery, the clock circuit and the power management unit and choosing the duration of periods when the sensing module works in active mode in such a way that the average energy consumed by the autonomous sensing module is fully compensated by the average energy harvested by the energy harvesting device.Type: GrantFiled: April 26, 2010Date of Patent: December 31, 2013Assignee: Kolos International LLCInventors: Nickolai S Belov, Olga V Belova
-
Patent number: 8579041Abstract: A safety apparatus for a portable tool having an internal combustion engine has at least one accelerometer providing a measurement of an acceleration of the portable tool in at least one plane or axis. An electronic controller is connected to an output of the accelerometer so as to receive analog or digital information. A generator is driven by the internal combustion engine so as to supply power to the accelerometer. A management card processes the analog or digital information so as to activate the system acting on an ignition exciter box so as to nearly instantaneously stop the internal combustion engine when the acceleration of the portable tool exceeds a predetermined level.Type: GrantFiled: August 25, 2009Date of Patent: November 12, 2013Assignee: Pellenc (Societe Anonyme)Inventor: Roger Pellenc
-
Patent number: 8493177Abstract: Various systems, devices, and methods for communicating vehicle information from a vehicle to a keyless entry device are provided. The system may include a keyless entry device for communicating vehicle information from a vehicle to a user. The keyless entry device may include a haptic actuator and one or more processors that may establish a communication channel with a vehicle, communicate, via the communication channel, a command to the vehicle, receive a response to the command from the vehicle, and cause the haptic actuator to output a first haptic effect based on the response. The vehicle may include a vehicle device that may obtain vehicle information that relates to a vehicle, determine and output a control signal that corresponds to the vehicle information. The control signal may cause the keyless entry device to output a first haptic effect that haptically communicates the vehicle information to the user.Type: GrantFiled: January 29, 2010Date of Patent: July 23, 2013Assignee: Immersion CorporationInventors: Natasha Margaret Minenko Flaherty, David M. Birnbaum
-
Patent number: 8471702Abstract: A method for monitoring the health of a compressor of a gas turbine is disclosed. The method includes receiving a plurality of turbine data points, wherein the plurality of turbine data points may include one or more operating parameters, at least one of a computer discharge temperature (CTD), and one or more performance parameters. The plurality of turbine data points may be categorized based on the one or more operating parameters. A statistical variability measure of at least one of the CTD and the one or more performance parameters may be computed for each of the plurality of bands. An alarm indicator may be computed based on the at least one statistical variability measure. The method may also include combining two or more of the operating parameters, the CTD and the performance parameters using sensor fusion techniques. The alarm indicator may be computed based on the combined parameters.Type: GrantFiled: December 22, 2010Date of Patent: June 25, 2013Assignee: General Electric CompanyInventors: Ravi Yoganatha Babu, Vinay Bhaskar Jammu, Achalesh Kumar Pandey, Sudhanshu Rai
-
Patent number: 8473252Abstract: A system includes a subsystem interaction module device, which includes at least one interface configured to receive input signals associated with multiple components of a system. The subsystem interaction module device also includes at least one processing unit configured to identify a potential fault in one or more of the components using the input signals and to provide an indicator identifying the potential fault. The at least one processing unit is configured to identify the potential fault by: identifying conflicting frequencies that are associated with different faults in the components of the system; and determining a confidence level associated with the potential fault based on the conflicting frequencies.Type: GrantFiled: June 9, 2010Date of Patent: June 25, 2013Assignee: Honeywell International Inc.Inventors: Chinmaya Kar, Venkataramana Bantwal Kini, Vedika Agrawal, Meenakshi Sunderam
-
Patent number: 8446287Abstract: A loose part monitoring method and system for preventing the generation of a false alarm as much as possible, including analyzing a group of detection signals that have been output from a plurality of sensors placed on a wall defining a fluid flow path, wherein the group of detection signals are analyzed for a rising gradient that is related to change in intensity of impulsive sound, a damping time that is related to change of intensity of the impulsive sound, and a frequency spectrum that is related to pitch of the impulsive sound in order to determine whether the group of detection signals are false or true.Type: GrantFiled: April 28, 2010Date of Patent: May 21, 2013Assignee: Shikoku Research Institute IncorporatedInventor: Toshizumi Morisawa
-
Patent number: 8400282Abstract: A magnetic circuit including a pole piece, a magnet, and a yoke is supported by using a suspension where outer and inner circumferential portions thereof are connected to each other with a supporting member, and the outer circumferential portion of the suspension is fixed to protrude from a housing or an inner wall of a cover provided with a stepped portion in a direction passing over the magnetic circuit toward an inner portion, so that it is possible to limit a movable range of the magnetic circuit by using the outer circumferential portion of the suspension and to prevent inner components of a main body of the multi-function vibration actuator from being destructed at the time of being impacted due to falling.Type: GrantFiled: December 26, 2006Date of Patent: March 19, 2013Assignee: Namiki Seimitsu Houseki Kabushiki KaishaInventors: Minoru Ueda, Shoichi Kaneda, Takayuki Kumagai
-
Patent number: 8387460Abstract: A vibration dosimeter (2) for determining the vibrational loading of people includes a determination device (6) for determining the operating period duration, a calculation device (6) for calculating the permitted work time as a function of a tool-specific characteristic vibration value, a comparison device (6) for comparing the effective operating period duration with the permitted work time, and an interface (3) for reading in the characteristic vibration value from the tool (1).Type: GrantFiled: February 18, 2008Date of Patent: March 5, 2013Assignee: Robert Bosch GmbHInventors: Markus Roth, Andreas Strasser
-
Patent number: 8368551Abstract: A method of detecting motion in components that form part of a structure. The method includes flooding a first component with transmitted radio frequency signals and receiving reflected radio frequency signals from the first component with an antenna. The method further includes generating a first set of intermediate frequency signals based on differences between the transmitted radio frequency signals and the reflected radio frequency signals and measuring the first set of intermediate frequency signals. The method further includes flooding a second component with transmitted radio frequency signals and receiving reflected radio frequency signals from the second component with an antenna. The method further includes generating a second set of intermediate frequency signals based on differences between the transmitted radio frequency signals and the additional reflected radio frequency signals and measuring the second set of intermediate frequency.Type: GrantFiled: January 20, 2010Date of Patent: February 5, 2013Assignee: Honeywell International Inc.Inventors: Andy Peczalski, Gary Richard O'Brien, Jr., Steve D. Huseth
-
Publication number: 20120274473Abstract: Systems and methods for protecting rotating machines are provided. Measurements data collected by a plurality of sensors may be received by a controller that includes one or more computers. The plurality of sensors may be configured to monitor vibrations associated with the rotating machine. Based at least in part upon the measurements data, the controller may determine that a respective amplitude change for at least two of the plurality of sensors exceeds a threshold condition. The controller may also determine that the threshold condition is exceeded for a predetermined period of time. Based at least in part upon determining that the threshold condition is exceeded for a predetermined period of time, the controller may identify an alarm event.Type: ApplicationFiled: April 29, 2011Publication date: November 1, 2012Applicant: General Electric CompanyInventors: Sanjeev Shyam Heda, Scott Alan Wood, Robert Joseph Iasillo
-
Patent number: 8269620Abstract: An alarm trend summary display system and method can utilize an alarm trend list that works together with an alarm summary list. A set of rows in the alarm trend list can be organized in a top-to-bottom manner. A set of alarm indicators within each row in the alarm trend list can be arranged in a right-to-left horizontal arrangement. The set of alarm indicators can be aligned with most recent alarms appearing on a right side of the alarm trend list. The specific alarm indicators can be selected in the alarm trend list, so that a corresponding item can be highlighted in the alarm summary list, if the alarms are active. Hence, the system and method can allow an operator to see when alarms occur, their sequence, relations and priority, which aid the operators cope with inevitable alarm floods.Type: GrantFiled: December 19, 2008Date of Patent: September 18, 2012Assignee: Honeywell Internatonal Inc.Inventors: Peter Bullemer, Dal Vernon C. Reising, Mischa Tolsma
-
Patent number: 8248215Abstract: A dynamic condition monitoring system is disclosed, such as for monitoring vibrations in complex machine systems. The system includes monitors on which server software is provided. The server software may access pre-defined graphical user interface pages that can be populated and served directly from the monitors. The data may be accessed via conventional networks for viewing and analyzing monitored data, as well as for configuration of the individual dynamic condition monitors.Type: GrantFiled: April 19, 2011Date of Patent: August 21, 2012Assignee: Rockwell Automation Technologies, Inc.Inventors: David J. Bibelhausen, Thomas Lee Alford, George F. Hofer
-
Patent number: 8224492Abstract: In one embodiment, the disclosed method includes receiving a user selection of a machine system type from a plurality of machine system types, where the system types corresponding to specific machine component combination. The method also includes configuring alarms based on the machine system type, configuring calculations of vibration parameters based on the machine system type, wherein the calculations are adjusted for the machine system type, and configuring diagnostic information based on the machine system type.Type: GrantFiled: September 30, 2008Date of Patent: July 17, 2012Inventors: Jason E. Lakomiak, Michael P Burrows, Paul A Lowe, Gilles Lanthier, Ryan C Barrick, Ronald W Falk, Mandi L Hebebrand
-
Patent number: 8154417Abstract: The present invention provides a new and unique method and apparatus for monitoring a device, such as a pump. The device may also include a fan, compressor, turbine or other rotating or reciprocating piece of machinery. In one embodiment, the method features sensing in a first device both a start-up vibration at a start-up time after the first device is affixed to a second device to be monitored and a subsequent vibration level at a subsequent time after the start-up time, and providing both a start-up vibration level signal containing information about the start-up vibration level of the second device, and a subsequent vibration level signal containing information about the subsequent vibration level of the second device; and monitoring in the first device the condition of operation of the second device based on a comparison of the start-up vibration level signal in relation to the subsequent vibration level signal.Type: GrantFiled: September 29, 2008Date of Patent: April 10, 2012Assignee: ITT Manufacturing Enterprises, Inc.Inventors: Kenneth Lee Hauenstein, Douglas Paddock, Mark Alexander Playford, Jermiah Dennis Quill, David A. Rice, Patrick J. Brusa
-
Patent number: 8130113Abstract: A method for monitoring a bearing is disclosed. The method involves positioning a non-contacting bearing isolator adjacent a bearing on a piece of rotating equipment so that at least one operating parameter of said bearing is communicated to said bearing isolator; and, positioning an energy detector within range of said bearing isolator so that said energy detector is able to monitor said at least one operating parameter of said bearing by detecting at least one operating parameter of said bearing isolator.Type: GrantFiled: September 22, 2010Date of Patent: March 6, 2012Assignee: Inpro/Seal, LLCInventors: David C. Orlowski, Neil F. Hoehle
-
Publication number: 20110291850Abstract: A system and method of monitoring vibrations, in a machine having a rotating element, where composite vibration signals are measured and filtered into discreet vector components associated with machine operating frequency. The filtered vectors are then evaluated to obtain a mean and standard deviation, whereupon a further value is obtained and compared to the prior values. Trip conditions may be set to initiate certain actions based on the meeting of the conditions. Additional data related to operating conditions of the machine may be analyzed in conjunction with the vibration data to be considered as providing a cause for vibration anomalies that may be observed. The operating, conditions of the machine may be displayed on a computer display in association with the discreet vector components, for example in a second level folder to the first level folder of the discreet vector components.Type: ApplicationFiled: February 3, 2011Publication date: December 1, 2011Inventors: Yanxia Sun, Peter J. Clayton, Albert C. Sismour, JR.
-
Patent number: 8049637Abstract: According embodiments of the invention, systems and methods for sensor-level machine monitoring are provided. In one example embodiment, there is disclosed a system for monitoring a machine. The system may include a first sensor including a first processor and a second sensor including a second processor. The system may further include a communication trunk in communication with the first sensor and the second sensor, and operable to communicate sensor data between each of the first processor and the second processor. The first sensor and the second sensor are operable to generate sensor data associated with at least one machine condition. Further, at least one of the first processor or the second processor is operable to analyze sensor data generated by each of the first sensor and the second sensor and determine at least one machine fault based at least in part on the sensor data.Type: GrantFiled: October 7, 2008Date of Patent: November 1, 2011Assignee: General Electric CompanyInventors: Marc Steven Tompkins, Richard Herman Hall
-
Patent number: 8049636Abstract: The present invention relates to hand held tool monitoring apparatus (10). The hand held tool monitoring apparatus (10) comprises a mount, which in use of the hand held tool monitoring apparatus forms part of a hand held tool (22), and a monitoring component (12) configured to be releasably attached to the mount. The monitoring component (12) comprises an operative part of the hand held tool monitoring apparatus (10) and the hand held tool monitoring apparatus further comprises a vibration sensor and a timer. The vibration sensor is operable to sense vibration of the hand held tool (22) and to provide a vibration signal in response to sensed vibration when the monitoring component is attached to the mount. The timer is operative in dependence on the vibration signal to record a duration of vibration of the hand held tool (22).Type: GrantFiled: December 22, 2006Date of Patent: November 1, 2011Assignee: Reactec LimitedInventors: Mark-Paul Buckingham, John Paul McKeown, Tim Kent, Charles Keepax, Stephen Dickson, Donald Black
-
Patent number: 8041540Abstract: A method for monitoring a wind turbine. A monitoring signal, including an audio signal and/or an image signal, is received from a monitoring device. Operating data are calculated based on the received monitoring signal. An operating condition and/or a deviation is determined by comparing the operating data to baseline data.Type: GrantFiled: December 9, 2009Date of Patent: October 18, 2011Assignee: General Electric CompanyInventors: Lutz Kerber, Florian Doorenspleet
-
Publication number: 20110193715Abstract: A dynamic condition monitoring system is disclosed, such as for monitoring vibrations in complex machine systems. The system includes monitors on which server software is provided. The server software may access pre-defined graphical user interface pages that can be populated and served directly from the monitors. The data may be accessed via conventional networks for viewing and analyzing monitored data, as well as for configuration of the individual dynamic condition monitors.Type: ApplicationFiled: April 19, 2011Publication date: August 11, 2011Applicant: Rockwell Automation Technologies, Inc.Inventors: David J. Bibelhausen, Thomas Lee Alford, George F. Hofer
-
Publication number: 20110175746Abstract: A method of detecting motion in components that form part of a structure. The method includes flooding a first component with transmitted radio frequency signals and receiving reflected radio frequency signals from the first component with an antenna. The method further includes generating a first set of intermediate frequency signals based on differences between the transmitted radio frequency signals and the reflected radio frequency signals and measuring the first set of intermediate frequency signals. The method further includes flooding a second component with transmitted radio frequency signals and receiving reflected radio frequency signals from the second component with an antenna. The method further includes generating a second set of intermediate frequency signals based on differences between the transmitted radio frequency signals and the additional reflected radio frequency signals and measuring the second set of intermediate frequency.Type: ApplicationFiled: January 20, 2010Publication date: July 21, 2011Applicant: Honeywell International Inc.Inventors: Andy Peczalski, Gary Richard O'Brien, JR., Steve D. Huseth
-
Patent number: 7945361Abstract: A method for determining a load exerted on a tire, fitted on a vehicle, during running of the vehicle on a rolling surface, is disclosed. The method includes acquiring a first signal comprising a first signal portion representative of a radial deformation; measuring an amplitude of the radial deformation in the first signal portion; estimating a rotation speed of the tire corresponding to the radial deformation; estimating an inflation pressure of the tire corresponding to the radial deformation; and deriving the load exerted on the tire from the amplitude, the rotation speed, and the inflation pressure. The first signal portion is representative of the radial deformation to which a first tread area portion of the tire is subjected during passage of the first tread area portion through a contact region between the tire and the rolling surface. A system for determining the load exerted on the tire is also disclosed.Type: GrantFiled: July 4, 2003Date of Patent: May 17, 2011Assignee: Pirelli Pneumatici S.p.A.Inventors: Massimo Brusarosco, Federico Mancosu, Daniele Arosio
-
Patent number: 7944367Abstract: A system includes a comparator that triggers a signal indicating an event occurrence of a moving element of a machine that is sensed by a sensor. The signal is triggered in response to a raw signal from the sensor exceeding a trigger level. Logic calculates a hold off time for re-triggering of the signal, and a timer monitors expiration of the hold off time. A trigger screener monitors amplitude of the raw signal and accepts a triggering of the signal from the comparator in response to expiration of the hold off time and the raw signal exceeding a re-trigger level.Type: GrantFiled: October 7, 2008Date of Patent: May 17, 2011Assignee: General Electric CompanyInventor: Matthew Allen Nelson
-
Patent number: 7928833Abstract: A dynamic condition monitoring system is disclosed, such as for monitoring vibrations in complex machine systems. The system includes monitors on which server software is provided. The server software may access pre-defined graphical user interface pages that can be populated and served directly from the monitors. The data may be accessed via conventional networks for viewing and analyzing monitored data, as well as for configuration of the individual dynamic condition monitors.Type: GrantFiled: September 29, 2006Date of Patent: April 19, 2011Assignee: Rockwell Automation Technologies, Inc.Inventors: David J. Bibelhausen, Thomas Lee Alford, George F. Hofer
-
Patent number: 7920973Abstract: Embodiments described herein generally relate to a method of measuring the vibration of an aircraft engine. One embodiment herein provides an engine monitoring system either connected to and/or positioned in close proximity to an aircraft engine. Also provided is a clearance measuring device within the engine monitoring system. The clearanceometer collects clearance data that is later converted into vibration data.Type: GrantFiled: December 21, 2006Date of Patent: April 5, 2011Assignee: General Electric CompanyInventors: Daniel Edward Mollmann, Tod R. Steen
-
Patent number: 7911327Abstract: A vibration device is provided. The vibration device includes a case, a vibrator, a coil, and a spring. The vibrator is disposed inside the case and including a magnet, a yoke, and a weight. The coil is supported by the case. The spring allows the vibrator to be elastically supported by the case. The spring includes a first coupling portion coupled to the vibrator, a second coupling portion coupled to the case, and a connecting portion connecting the first coupling portion to the second coupling portion. The second coupling portion is disposed on a concentric circle with respect to a center of the first coupling portion. A region in which the second coupling portion is disposed on the concentric circle ranges from 40% or more to less than 100% of a total region of the concentric circle.Type: GrantFiled: November 10, 2008Date of Patent: March 22, 2011Assignee: LG Innotek Co., Ltd.Inventor: Kap Jin Lee
-
Patent number: 7908118Abstract: A system and method for testing and replacing equipment are disclosed. The system may include a first memory module configured to store first characteristics of the first equipment; a second memory module configured to store second characteristics of the second equipment; and a portable reader configured to read the first and second memory modules and to compare the second characteristics with the first characteristics to determine if the second equipment is a suitable replacement for the first equipment. The method may include storing first characteristics of a first equipment on a first memory module; transmitting the first characteristics to a portable reader; measuring second characteristics of a second equipment using a measuring device associated with the portable reader; and comparing, with the portable reader, the second characteristics with the first characteristics to determine if one of the first and second equipment is a suitable replacement for the other equipment.Type: GrantFiled: October 7, 2008Date of Patent: March 15, 2011Assignee: MacSema, Inc.Inventors: Jack I. Trowbridge, Jr., Ricky L. Wright, Delano S. Richie, David D. Barton
-
Patent number: 7876231Abstract: An integrated management system having at least one air conditioner group including a plurality of air conditioners, and a remote integrated management system connected to the at least one air conditioner group and configured to analyze operation state information related to the plurality of air conditioners in the at least one air conditioner group and to generate an alarm signal based on the analyzed operation state information.Type: GrantFiled: November 30, 2007Date of Patent: January 25, 2011Assignee: LG Electronics Inc.Inventors: Jun-Tae Kim, Sang-Chul Youn, Duck-Gu Jeon
-
Patent number: 7839294Abstract: A method for monitoring a bearing is disclosed. The method involves positioning a non-contacting bearing isolator adjacent a bearing on a piece of rotating equipment so that at least one operating parameter of said bearing is communicated to said bearing isolator; and, positioning an energy detector within range of said bearing isolator so that said energy detector is able to monitor said at least one operating parameter of said bearing by detecting at least one operating parameter of said bearing isolator.Type: GrantFiled: December 15, 2008Date of Patent: November 23, 2010Assignee: Inpro/Seal, LLCInventors: David C. Orlowski, Neil F. Hoehle
-
Patent number: 7798004Abstract: A system for monitoring an exposure of a machine operator to machine vibration is provided. The system includes an operator safety restraint. The system also includes at least one vibration sensor on the safety restraint and configured to generate a signal indicative of operator exposure to machine vibration. The system further includes a controller configured to receive the signal and configured to determine an amount of vibration exposure of the machine operator based on the signal.Type: GrantFiled: January 28, 2008Date of Patent: September 21, 2010Assignee: Caterpillar IncInventor: Kevin Jay Lueschow
-
Patent number: 7796051Abstract: A measuring device (1) enables a handheld RFID receiver (20) to identify the measuring device (1), initiating measurements and receive measurement data relating to the condition of a rotating member of a machine. The measuring device (1) is intended to be mounted on the outside of a machine with at least one rotating member and the measuring device (1) is intended to measure and communicate measurement data relating to the condition of the rotating member. The device is energized and communicates by a magnetic field (21) introduced by the handheld receiver (20). The device (1) is suitable to be used for measurements at inspection rounds at industrial plants.Type: GrantFiled: November 24, 2005Date of Patent: September 14, 2010Assignee: Electrotech ABInventor: Juha Rajala
-
Patent number: 7777637Abstract: A method for setting a safety threshold that triggers the sending, by an acceleration or movement sensor device (20), of a safety signal that causes a safety movement of a motorized screen (11) used as a closure or as a sunshade or for privacy, said method comprising the following steps: manual shaking of the screen, recording of a signal produced by a sensor means (33) during the manual shaking step, and determination of the safety threshold from this recording.Type: GrantFiled: December 10, 2007Date of Patent: August 17, 2010Assignee: Somfy SASInventor: Bernard Grehant
-
Patent number: 7761256Abstract: A method is provided for analyzing vibrations of a variable speed rotating body. The method includes producing a signal that is proportional to an acceleration of the rotating body and producing a plurality of pulses. Each pulse represents a revolution of the rotating body and is indicative of a vibration sample at a rotational position of the rotating body. The signal is converted to a numeric value that is indicative of a vibrational amplitude of the rotating body. The plurality of pulses are converted to revolution time periods indicative of a rotational rate of the rotating body. The method also includes producing a harmonic vibrational amplitude at a harmonic of the rotational rate of the rotating body, and representing a phase of the harmonic vibrational amplitude relative to the rotational position of the rotating body.Type: GrantFiled: December 21, 2007Date of Patent: July 20, 2010Assignee: General Electric CompanyInventors: John Henry Studer, John Lynn Abbott
-
Patent number: 7719416Abstract: A method of maintaining a structure includes providing a structure having a component subject to failure. A sensor, a memory and an energy harvesting device are mounted on the structure. The sensor is used and data derived from the sensor logged in the memory, wherein the memory is powered solely with energy derived from the energy harvesting device. The component is replaced if information in the memory shows that the component was subject to damaging usage.Type: GrantFiled: September 11, 2006Date of Patent: May 18, 2010Assignee: MicroStrain, Inc.Inventors: Steven W. Arms, Chris Pruyn Townsend, David Lawrence Churchill, Michael John Hamel
-
Publication number: 20100085205Abstract: According embodiments of the invention, systems and methods for sensor-level machine monitoring are provided. In one example embodiment, there is disclosed a system for monitoring a machine. The system may include a first sensor including a first processor and a second sensor including a second processor. The system may further include a communication trunk in communication with the first sensor and the second sensor, and operable to communicate sensor data between each of the first processor and the second processor. The first sensor and the second sensor are operable to generate sensor data associated with at least one machine condition. Further, at least one of the first processor or the second processor is operable to analyze sensor data generated by each of the first sensor and the second sensor and determine at least one machine fault based at least in part on the sensor data.Type: ApplicationFiled: October 7, 2008Publication date: April 8, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Marc Steven Tompkins, Richard Herman Hall
-
Patent number: 7680625Abstract: The present disclosure includes systems, apparatus, and methods for monitoring a pipeline network having plural inspection sites. The system comprises a memory module associated with one or more inspection sites, with each memory module storing one or more performance parameters corresponding to the associated inspection site. The system also comprises a measuring device operable to collect performance data of each associated inspection site. The system further comprises a portable reader configured to read the memory module, and in association with the measuring device, to compare the one or more performance parameters with the performance data to validate the performance data while in proximity to the associated inspection site.Type: GrantFiled: November 14, 2006Date of Patent: March 16, 2010Assignees: MacSema, Inc., EPI, L.P.Inventors: Jack I. Trowbridge, Jr., Ricky L. Wright, Delano S. Richie, David D Barton
-
Patent number: 7668670Abstract: Tracking vibrations on a pipeline network includes installing multiple vibration recorders on the pipeline network, with each recorder including a sensor, a processor, and a communication device. At each vibration recorder, vibration signals are received from the sensor at programmed times under the control of the processor of the vibration recorders and processed by the processor. The processed vibration signals are communicated from the vibration recorder to a reader device using the digital communication device. In addition, at a particular vibration recorder, meter readings from a flow meter associated with the particular vibration recorder are received. The meter readings are indicative of a level of flow in the pipeline network, and are communicated from the particular vibration recorder to a reader device using the communication device of the particular vibration recorder. Thereafter, the processed vibration signals from the one or more reader devices are collected at a central computer system.Type: GrantFiled: October 8, 2004Date of Patent: February 23, 2010Assignee: Itron, Inc.Inventor: Paul Lander
-
Publication number: 20100009833Abstract: The present invention relates to an automatic balance adjusting centrifuge which calculates the magnitude and the location of imbalance of itself based on the vibration generated in the dynamic state and automatically compensate for the imbalance based on the calculation, and the control method thereof. The automatic balance adjusting centrifuge of the present invention comprises: a rotor supporting buckets that load samples; a rotation driving means for rotating the rotor; a vibration detecting means for detecting vibration; a imbalance compensating means for compensating the weight imbalance of the rotor; and a control means for controlling the imbalance compensating means to compensate for the weight imbalance of the rotor after calculating the imbalance based on the amount of the vibration detected by the vibration detecting means in the state of rotating the rotor with a predetermined rotational velocity.Type: ApplicationFiled: September 2, 2008Publication date: January 14, 2010Applicant: HANLAB CORPORATIONInventors: Heuigeun RYU, Ohhun KWON, Sunghyuk Lee, Jaehong OH