Matches 101 - 150 out of 508 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
5770801 Ultrasound transmissive pad  
A pad for transmitting acoustical waves between an ultrasound probe and a target surface. The pad includes a first layer having a first porous portion which defines first layer pores therethrough....
5767410 Lamb wave ultrasonic probe for crack detection and measurement in thin-walled tubing  
A probe inspects steam generator tubing for defects. The probe includes a transducer which generates a localized ultrasonic Lamb wave. The ultrasonic wave is transferred to the tubing by a coupling...
5761156 Piezoelectric ultrasonic transducer  
The invention relates to a piezoelectric transducer particularly for use in transit time measurements. The object of the invention is to provide a piezoelectric transducer which ensures an in-phase...
5760308 Method and apparatus for non-destructively detecting hidden defects caused by bio-deterioration in living trees and round wood materials  
A method and apparatus for detecting internal bio-deterioration in round wood used in various applications (e.g. utility poles, pier pilings, round wood beams, posts and poles in structures, and...
5747754 Method and apparatus for taking seismic measurements  
Method and apparatus for carrying out seismic survey includes a plurality of spaced apart seismic detecting sensors each having a geophone unit for detecting seismic activities. The sensors are...
5747693 System for taking transverse measurements  
A system can take transverse measurements of an elongated workpiece. The tem has a base for holding the workpiece oriented in an axial direction. A carriage mounted on the base can move axially....
5734588 Bore probe for tube inspection with guided waves and method therefor  
Guided ultrasonic waves are used for the detection of defective tubes in a heat exchanger or steam generator by using a transducer which generates a guided wave at predetermined parameters of phase...
5708209 Apparatus and method for ultrasonic particle detection in molten metal  
An apparatus for conducting ultrasonic waves to and from a body of a molten material. The apparatus includes a buffer rod for transmitting ultrasonic waves to the molten metal, a second buffer rod...
5708208 Testing head for the ultrasonic testing of a built-in polygonal socket screw  
A testing head is provided which operates in accordance with the contact technique and has a flexibly constructed adaptor piece that is adapted to an intended contour of the conical bottom surface....
5691476 Method for ultrasonic imaging and device for performing the method  
A method for ultrasonic imaging of interior structures and flaws in a test specimen with a smooth or irregular contact surfaces, in which an ultrasonic transducer is coupled acoustically to the...
5677489 Distributed structural characteristic detection system using a unidirectional acoustic waveguide  
Apparatus for acoustically analyzing a structure having distributed characteristics comprising a first acoustic waveguide for transmitting an acoustic signal through a portion of the structure, a...
5675084 Method and device for testing gas carrying pipelines  
For reducing the coupling liquid carried along during the performance of a test run of a device for testing gas carrying pipelines, the invention provides an ultrasonic gas carrying pipeline...
5655539 Method for conducting an ultrasound procedure using an ultrasound transmissive pad  
A method for conducting an ultrasound procedure on an object having a target surface. The method includes the step of providing an ultrasound probe having an acoustical wave emitting end portion. A...
5646351 Ultrasonic material hardness depth measurement  
The invention is an ultrasonic surface hardness depth measurement apparatus and method permitting rapid determination of hardness depth of shafts, rods, tubes and other cylindrical parts. The...
5635644 Apparatus for measuring a layer thickness using transverse waves of ultrasonic waves  
An apparatus which measures a thickness of a layer using transverse waves of ultrasonic waves, and includes: a sensor unit having a probe for obliquely transmitting and receiving to and from the...
5631426 Sensors for vibration detection  
A sensor, and a sensor object combination, makes possible the collection of vibratory data from an object while reducing extraneous data and making easier the obtainment of the data. The sensor...
5602327 Leakage-sound detecting apparatus  
A leakage-sound detecting apparatus is provided for efficiently detecting water leakage in a plastic pipe by increasing sensitivity to a low frequency sound component and efficiently reducing stray...
5585563 Non-contact thickness measurement using UTG  
A measurement structure for determining the thickness of a specimen without mechanical contact but instead employing ultrasonic waves including an ultrasonic transducer and an ultrasonic delay line...
5585565 Method for the ultrasonic inspection of pipe and tubing and a transducer assembly for use therewith  
A transducer assembly and method for the ultrasonic inspection of tubing. An elastic membrane is used to form a reservoir of ultrasonic fluid coupled to ultrasonic transducers with the membrane...
5567881 Method and apparatus for inspecting a structural part having surface irregularities  
An inspection apparatus and associated method includes a sensor housing defining an internal cavity in which a sensor is at least partially disposed for inspecting the surface of a structural part...
5566573 Capacitive acoustic wave detector and method of using same  
A capacitor having two substantially parallel conductive faces is acoustically coupled to a conductive sample end such that the sample face is one end of the capacitor. A non-contacting dielectric...
5549001 Set of ultrasonic probeheads for measurements of times of flight of ultrasonic pulses  
A set of ultrasonic probes for measurement of time of flight of ultrasonic pulses includes a housing (20), two transmitting ultrasonic probes (1, 2) and two identical receiving ultrasonic probes...
5546809 Vibration monitor mounting block  
A cooling block is provided for mounting a transducer or other electronic component on a test object which typically becomes heated during use or testing. The cooling block receives a flow of...
5531119 Ultrasound probe with bubble trap  
An ultrasound probe housing has at least one air bubble trap disposed therein and configured to facilitate movement of air bubbles away from a window thereof and also configured to resist movement...
5529753 System for ultrasonic energy coupling by irrigation  
A system for ultrasonic energy coupling includes an ultrasonic transducer, a horn member defining a passageway, and a pump for moving fluid through the passageway and outwardly of the horn. The...
5522878 Solid multipurpose ultrasonic biomedical couplant gel in sheet form and method  
A solid, multipurpose, flexible, ultrasonic biomedical couplant hydrogel in sheet form is applied to the skin of a patient to facilitate the transfer of ultrasound energy between a standard...
5515733 Ultrasonic transducer system with crosstalk isolation  
Transducers are mounted in a housing or vessel to propagate signals along a fluid measurement path, and a plurality of massive elements are placed between transmitting and receiving transducers in...
5494038 Apparatus for ultrasound testing  
The need for a highly viscous couplant gel or water spray to form an acoustical couple for ultrasound testing is eliminated by employing an ultrasound probe module. A porous membrane and an...
5493912 Ultrasonic probe suitable for acoustic coupling via a water channel  
An ultrasonic probe suitable for acoustic-coupling via a water channel, includes a main element with a housing. Housed in watertight fashion in the housing is an ultrasonic oscillator, the...
5492014 Ultrasonic transducer for monitoring acoustic emissions  
An ultrasonic piezoelectric transducer for monitoring acoustic events in a medium is disclosed. The transducer includes an elongated body member having a blind bore therein, a piezoelectric crystal...
5479825 Transducers for transmitting and/or receiving ultrasonic energy  
Improved ultrasonic energy transducers each include a material contacting member secured to a piezoelectric element at an interface region between oppositely operated first and second regions of...
5477729 Acoustic emission transducer  
The invention relates to an acoustic emission transducer and a coupling method. The acoustic emission transducer (1) forms an assembly unit and is intended specially for measuring high-frequency...
5473934 Ultrasonic fluid composition monitor  
A method of and apparatus for continuous monitoring of the composition of a fluid mixture traveling through a conduit. The relative component concentration of the fluid mixture of a liquid/liquid...
5473943 Ultrasonic test device  
The invention is directed to a u/s test device for nondestructive testing of a workpiece moving relative thereto by the pulse echo method, having a fluid coupling between the ultrasonic oscillator...
5469744 Apparatus for acoustically inspecting a workpiece  
An apparatus for acoustically inspecting a workpiece has a tubular member with a membrane sealing an end of the tube to form a first chamber. An acoustic transducer assembly is mounted in the...
5469742 Acoustic temperature and film thickness monitor and method  
An acoustic temperature and/or film thickness monitoring system for semiconductor wafers in which the velocity of acoustic waves in the wafer is employed to measure temperature and/or thickness.
5454269 Device for coupling an ultrasonic probe to a test specimen by employing two-position reversible valves  
A method for coupling an ultrasonic probe to a test specimen, whereby a cushion of fluid is formed between the two bodies to facilitate the coupling. In order to optimize the coupling, reduce the...
5450753 Method and apparatus for cooling sensors in high temperature environments  
Sensor assemblies, comprising one or more sensors for use in high-temperature environments such as an aircraft wing, include a thermally conductive retaining member in thermal communication with...
5452264 Resonant acoustic emission transducer  
An acoustic emission transducer consists of a resonant detection element (10) which is attached to the base-plate (16) by a small area in comparison to the overall surface area of the resonant...
5440930 Ultrasonic measuring assembly and means for attaching same to a vessel  
The flow rate of a high temperature fluid flowing through a conduit is measured by passing ultrasonic waves through the fluid. The ultrasonic waves are emitted from an emitter located at one side...
5433112 Ultrasonic characterization of polymer melts under processing conditions  
A method and apparatus for ultrasonically characterizing a polymer melt flowing in a predetermined direction between two opposed parallel surfaces spaced from one another to define a gap filled...
5426980 Booted ultrasonic transducer  
A soft membrane booted transducer for performing ultrasonic inspections of parts and components that have rough sound beam entry surfaces. These rough surfaces may be in the form of as-welded...
5426341 Sonotrode for ultrasonic machining device  
An annular sonotrode 5 vibrates at one of its natural frequencies, preferably about four nodes 33-36 equally distributed over its circumference. The vibrations introduced at the input 17 along axis...
5419195 Ultrasonic booted head probe for motor bore inspection  
An ultrasonic probe is housed in a probe housing filled with fluid under controlled pressure. The probe provides ultrasonic sound through the fluid to a bladder which presses against the interior...
5408882 Ultrasonic device and method for non-destructive evaluation of polymer composites  
An ultrasonic measurement device and a method for a non-destructive evaluation of polymer composites having discontinuous fibers distributed therein. The device has one or a plurality of...
5406851 Ultrasonic transducer system  
An ultrasonic transducer system includes a transducer coupler body made of a material that transmits ultrasonic waves therethrough and an ultrasonic transducer joined to a first portion of the...
5385051 Ultrasonic test machine with a rotor that has several probes and a transmission device for connecting the probes to a stationary electronic device  
An ultrasonic testing machine has a rotor (20) which incorporates several probes (21 to 23) and which has a transmission device (26) with several channels for connecting the probes (21 to 23) to a...
5379658 Intrusive acoustic sensor mounting arrangement  
An intrusive mounting arrangement for an acoustic sensor includes an acoustic window and a flange assembly for mounting the sensor and window on a fluid tank, the flange assembly having a body...
5373743 Backsplash protection for ultrasonic inspection system  
A gas jet is positioned above the water nozzle of a system provided for ultrasonically detecting flaws in an article to be inspected. The water nozzle directs a substantially level water jet stream...
5359897 Apparatus for determining the time taken for sound energy to cross a body of fluid in a pipe  
An apparatus for determining the time taken for sound energy to cross a body of fluid in a pipe uses a modified pipe in which flat members seal apertures in the pipe and two transducers are...
Matches 101 - 150 out of 508 < 1 2 3 4 5 6 7 8 9 10 11 >