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7621179 |
Diagnostic system and method for a valve, especially a check valve of a positive displacement pump
A diagnostic system and method for a valve, especially a check valve of a positive displacement pump, including at least one solid-borne sound sensor is provided. A first value of a parameter of a...
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7607351 |
Acoustic impact detection and monitoring system
A system is disclosed for detecting and locating harmful impacts to pipelines using sensors placed along the pipeline. The exact spacing of sensors is site specific and is set with the goal of...
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7596458 |
Tracking vibrations in a pipeline network
Tracking vibrations on a pipeline network includes installing multiple vibration recorders on the pipeline network, with each recorder including a sensor, a timer, a processor, and a digital...
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7549338 |
Nanostructure sensor of presence and concentration of a target molecule
Method and system (i) to determine when a selected target molecule is present or absent in a fluid, (2) to estimate concentration of the target molecule in the fluid and (3) estimate possible...
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7523667 |
Diagnostics of impulse piping in an industrial process
Diagnosing operation of an impulse piping line in an industrial process is provided. A vibration source transmits a vibration signal through the piping and a vibration signal receiver receives the...
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7523666 |
Leak locator
A method of determining the presence and location of leaks in a pipeline ( 2 ) comprising inserting a leak location device capable of detecting and recording the occurrence of noise into the flow...
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7523640 |
Acoustic fluid analyzer
A method of determining properties of a formation fluid based on measurements of fluid sound speed, a measurement of fluid density, or both. The properties include compressibility, thermal...
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7493817 |
Underground pipe inspection device and method
A method and apparatus for inspecting the walls of an underground pipe from inside the pipe in which an inspection apparatus having a circular planar platform having a plurality of lever arms...
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7489253 |
Fluid detection and containment apparatus
Disclosed are portable, easy-to-install apparatuses for detecting and containing fluid leaked or otherwise discharged from a fluid-filled device and for facilitating testing and maintenance of the...
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7475596 |
Non-destructive testing of pipes
To perform a non-destructive condition assessment of a pipe carrying a fluid, an actual value representative of the propagation velocity of an acoustic disturbance propagating between two...
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7458267 |
Acoustic emission inspection of coiled tubing
A method for testing tubing having the following steps: plastically deforming the tubing with a tubing handling system, the tubing handling system having a reel, a gooseneck and an injector;...
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7426879 |
Inspection method and inspection apparatus of reinforced concrete pipe
Deterioration of reinforced concrete pipes is checked and the deterioration progress level is classified. Based on the inspection result, a portion to be inspected in detail in an inspection area...
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7406871 |
Fuel type identifying apparatus
A fuel tank is allowed to hold any of types of liquid fuels and currently hold one type of liquid fuel. A light emitting element outputs a light beam of a predetermined emission spectrum to the...
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7403839 |
Water shut-off system
A moisture monitoring and control system comprising: 1) a plurality of moisture sensors; 2) one or more local or remote control stations capable of monitoring and controlling each of the individual...
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7387026 |
Peripheral ultrasonic sensing array system and method
An improved system and method for detecting leaks in substantially enclosed objects such as automobiles, airplanes, tanks, etc. uses an ultrasonic transmitter and an array of ultrasonic sensors...
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7360462 |
Method and equipment for inspecting reinforced concrete pipe
Deterioration of reinforced concrete pipes is checked and the deterioration progress level is classified. Based on the inspection result, a portion to be inspected in detail in an inspection area...
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7331215 |
Deployment of equipment into fluid containers and conduits
Apparatus for deploying equipment in a fluid container or fluid conduit comprises a fluid housing having an outlet aperture, the fluid housing being adapted to be secured to the container or...
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7318350 |
Valve monitoring system and method
A valve monitoring system includes an alert generation system and a memory. The memory encodes baseline acoustic emission data on the valve for a predetermined period of operation. The alert...
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7318335 |
Ultrasonic gas leak detector including a detector testing device
An ultrasonic gas leak detector of the kind where a detector transducer senses airborne acoustic ultrasonic sound waves emitted from a leakage in a gas installation is provided. The detector is...
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7311004 |
Flow control and operation monitoring system for individual spray nozzles
An apparatus and process for monitoring fluid flow through a nozzle is disclosed. A vibration sensor, such as an accelerometer, is mounted to a nozzle. The vibration output received from the sensor...
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7271721 |
Protected distribution system
An information transmission system comprising a conductor operable to carry a desired information signal. A first tube substantially surrounds the conductor and a second tube substantially...
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7266992 |
Remote pipeline acoustic inspection
A pipe inspection apparatus comprising an acoustic source ( 3 ) for location at a first position in a pipe or pipe network, one or more acoustic or pressure detectors ( 4 ) for location at one or...
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7243549 |
Acoustic wave lubricity sensor
A lubricity sensor includes a flexural plate wave device and a face shear mode bulk acoustic wave device, which is associated with and located proximate to the flexural plate wave device. The face...
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7204129 |
Real-time system for detecting foreign bodies in food containers using ultrasound
An ultrasound system determines the presence of a foreign object in a container of fluid by measuring echo signals from the outer surface of the container and the inner surface of the container....
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7107849 |
Vibration source probe system
A vibration source probe system for detecting the surface waves of vibration coming over the ground or the floor of a building and specifying and displaying a vibration source at a factory or on a...
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7040167 |
Method and apparatus for detecting holes in plastic containers
A method and an apparatus for monitoring the production of blow molded plastic containers ( 20 ) includes a columnator ( 26 ) and sound detector ( 24 ) responsive to a defect sound of pressure...
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7038444 |
System and method for in-line stress measurement by continuous Barkhausen method
A method and system for performing in-line measurement of stresses in pipeline walls by continuous Barkhausen method comprises an inspection pig including permanent or DC electromagnets for...
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6983642 |
System and method for automatically judging the sealing effectiveness of a sealed compartment
An improved and non-destructive test method and system utilizes ultrasound wave energy to automatically judge the sealing effectiveness of a sealed compartment such as the cabin of a motor vehicle...
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6976503 |
Diagnostic system and method for a valve
A diagnostic system, for a valve ( 2 ), having a sensor ( 12 ) that senses structure-borne noise and having a device ( 14 ) for evaluating a measurement signal ( 13 ) of the structure-borne noise....
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6820016 |
Leak detection apparatus and method
An apparatus and method for detecting a leak in a pipe, the apparatus comprising a sensor ( 11 ) located at a pipe ( 7 ), configured to detect a signal from the pipe, converter means to convert the...
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6745630 |
Method and device for detecting stenoses in a tubular line system
A method and device for detecting stenoses in a tubular line system during an extracorporeal hemotherapy. The tubular line system has an arterial branch going out from the patient and leading to a...
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6725705 |
Enhanced acoustic detection of gas leaks in underground gas pipelines
A method for locating gas leaks from underground gas pipelines in which a first acoustic sensor having a first signal output is positioned in ground disposed substantially above or at a distance...
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6667709 |
Method and apparatus for detecting leaks in buried pipes by using a selected combination of geophysical instruments
A method and apparatus for detecting and locating leaks in buried pipes is disclosed in which ground penetrating radar, induction, acoustic, and vacuum excavation systems are selected based on soil...
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6666095 |
Ultrasonic pipe assessment
An ultrasonic pipe or other structure assessment system includes an ultrasonic transducer positioned proximate the pipe or other structure. A fluid connection between the ultrasonic transducer and...
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6640618 |
Method for detecting and measuring foam forming compounds in aqueous solutions
A method for detecting change in the foam forming characteristic of an input stream of an aqueous solution which continuously samples the input stream by taking a series of discrete, independent...
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6637267 |
Diagnostic system and method, especially for a valve
The invention relates to a diagnostic system and method, especially for a valve ( 2 ) that can be actuated by a positioner ( 9 ) via a drive ( 6 ). The system utilizes a sensor ( 12 ) for recording...
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6626026 |
Acoustic wave based sensor
An apparatus that is configured to sense the presence of gases, vapors and liquids using acoustic waves. The apparatus comprises a first part that is configured to generate acoustic waves. The...
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6595038 |
Apparatus for determining the position of a signal from a pipe
An apparatus for determining the position of a signal from a pipe, the apparatus comprising a first sensor capable of being coupled to the pipe for detecting a signal from the pipe, a second sensor...
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6589178 |
Method of estimating bone mineral density and apparatus for estimating bone mineral density
A bone mineral density meter comprises first input device which enters a sound of speed in a bone; second input device which enters a weight of the person to be measured; third input device which...
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6581460 |
Method and device for direct digitizing microwave signals
A method and a device for directly digitizing microwave signals reflected on a filling product surface of a filling product present in a receptacle, wherein the microwave signals reflected on the...
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6567006 |
Monitoring vibrations in a pipeline network
The invention relates to acoustic detection of leaks in a pipeline using locally-intelligent, data-adaptive monitors deployed for a period of time. Monitors are initialized by a base station....
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6530277 |
Diagnostic system for a valve that can be actuated by a position controller via a drive
A diagnostic system for a valve ( 2 ) that can be actuated by a position controller via a drive. The diagnostic system includes a device ( 14 ) provided for recording, storing, and evaluating, body...
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6530263 |
Method and system for localizing and correlating leaks in fluid conveying conduits
A system for localizing and correlating leaks in a pipeline includes a plurality of loggers for detecting and storing sound data, an interface unit removably connected to the plurality of loggers...
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6523392 |
Microcantilever sensor
An apparatus and method for sensing chemical and/or biological analytes includes a deflectable arm of a microcantilever formed over and contacting a sensing element. A gaseous or liquid medium...
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6519535 |
Eddy current technique for predicting burst pressure
A signal processing technique which correlates eddy current inspection data from a tube having a critical tubing defect with a range of predicted burst pressures for the tube is provided. The...
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6463813 |
Displacement based pressure sensor measuring unsteady pressure in a pipe
A non-intrusive pressure sensor and method for measuring pressures within a pipe includes a displacement based sensor disposed on a surface of the pipe. The displacement based sensor measures the...
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6457345 |
Repeated impact apparatus and method for characterizing granule strength
The present invention provides methods and devices for measuring granule impact strength and granule attrition rates by vibrating a small container of granules at a well-controlled amplitude in...
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6453247 |
PC multimedia-based leak detection system for water transmission and distribution pipes
This invention pertains to the detection of leaks in plastic water distribution pipes by processing the sound or vibration induced in the pipe by water escaping under pressure. Acoustic leak...
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6446494 |
Method and apparatus for determining the viscosity of a fluid in a container
An apparatus for determining the viscosity of a fluid in a container (such as a pipe). The apparatus comprises a mechanism for transmitting a signal into a fluid in a container. The transmitting...
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6443011 |
Device for detecting errors and/or measuring wall thickness in continuous strips or tubes made of plastic using ultrasonic signals
The invention relates to a device for detecting faults in and/or measuring the wall thickness of continuously moving strips, sections or tubes of plastics, using ultrasonic signals. To this end a...
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