| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073788000 |
By loading of specimen (e.g., strength of material test)
| 305 |
| 073763000 |
Specified electrical sensor or system
| 135 |
| 073856000 |
Specimen clamp, holder, or support
| 30 |
| 073761000 |
Threaded fastener stress
| 12 |
| 073786000 |
In static structures (e.g., buildings, bridges)
| 7 |
| 073784000 |
Earth stresses | 5 |
| 20110214506 | APPARATUS AND METHOD FOR EVALUATING MECHANICAL PROPERTIES OF GEO-MATERIALS - An apparatus and method for evaluating mechanical properties of geo-materials. The apparatus having a first platen and second platen defining a test specimen receiving space there between, a shaft having one end contacting one of the platens, and a rotatable a rotatable cam having at least one lobe extending from a peripheral surface thereof. The cam being positioned relative to the shaft such that the lobe is engagable with the shaft in such a way that a cyclical axial load is applied to a test specimen when the test specimen is positioned in the test specimen receiving space between the first platen and the second platen and the cam is rotated so as to cause the lobe to cyclically apply an axial force to the shaft. | 09-08-2011 |
| 20110259114 | TRIANGULATION OF PAVEMENT DEFLECTIONS USING MORE THAN FOUR SENSORS - Systems and methods are disclosed that provide improved non-destructive testing of pavements and in particular non-destructive testing of pavements using rolling wheel deflectometer systems having more than four sensors. The additional sensors more accurately detect pavement deflections under load by compensating for the influence the load deflection basin can have on sensors beyond those at the wheel load. The sensors should be spaced with equal distances from the rolling weight and can have a distance between adjacent sensors that is greater than the equivalent thickness of the pavement being measured. | 10-27-2011 |
| 20080276716 | Penetration-type pipe strain gauge - A penetration-type pipe strain gauge easily transportable and easily installable in various places at low cost in a short period of time to measure strain produced in a shallow layer of the ground. Strain gauges are attached to the outer peripheral surface of an inner pipe, and a pipe strain gauge body is formed by integrally incorporating the inner pipe in an outer pipe. A boring screw is provided at the forward end of the pipe strain gauge body. A rotary tool mounting part for mounting a tool for rotating the pipe strain gauge body is formed at the rear end of the strain gauge body. The pipe strain gauge body is buried in the shallow layer of the ground by using the rotary tool. | 11-13-2008 |
| 20120272743 | Method and Apparatus for Laser-Based Non-Contact Three-Dimensional Borehole Stress Measurement and Pristine Stress Estimation - A method and apparatus for non-destructively determining borehole stress parameters, that measures acoustic velocities in the rock formation. The apparatus or laser ultrasonic apparatus involving an acoustic signal generator and at least one interferometer sensing unit with shared reference is used to perform non-contact measurement. Horizontal and vertical stresses are evaluated in more than three angular directions (sometimes called azimuths) around the axis of the borehole using acoustoelastic principle. The magnitudes and directions of principal pristine stresses in the rock formation are derived from the measurement data by using closed-form solutions. Magnetometer is used to determine the angular direction of the stress measurement. | 11-01-2012 |
| 20130008257 | UNDERWATER WORK DEVICE AND UNDERWATER STRAIN GAUGE DEVICE - To easily change internal pressure of a container according to a change in external pressure. | 01-10-2013 |
| 073783000 |
Deformation or change in stress after fracture, cutting, or boring | 4 |
| 20130091955 | METHOD AND APPARATUS FOR MEASURING RESIDUAL STRESSES IN A COMPONENT - A process for measuring the through stress distribution ( | 04-18-2013 |
| 20110232393 | SEALED SENSOR WITH STRAIN GAUGES - A sealed sensor includes a test body configured as a deformable simple parallelogram, including a one-piece test body having a generally H- or X-shaped central opening extending therethrough, whose shape determines four hinge positions of the parallelogram, between the end of each arm of the opening and one face of the test body, and the thickness thereof. At least one hinge is a measuring hinge on one side of the test body. The outer face of the body has a recess and housing for strain gauges and circuits. At least one pair of side cavities define therebetween the width of the measuring hinge(s) and the thickness of the sheets of material connecting side edges of this measuring hinge to side edges of the test body corresponding to the hinge, preventing strains generated in the measuring hinges from being affected by strains from the side edges of the test body. | 09-29-2011 |
| 20110000306 | Method for detecting the stop of the yarn unwinding from a yarn feeder provided with a stationary drum - In order to detect the stop of the yarn unwinding from a yarn feeder provided with a stationary drum and with a sensor generating a pulse per each yarn loop unwound from the drum, a threshold time interval is continuously computed, which corresponds to the maximum interval between two successive pulses, above which it should be regarded that an accidental stop of the yarn has occurred. The threshold time interval is updated in real time as a function of the yarn-drawing speed. Then the delay from the last pulse is continuously measured and compared with the updated threshold time interval. The machine is stopped when the measured delay overcomes the updated threshold interval. | 01-06-2011 |
| 20120111122 | METHOD AND DEVICE FOR DETERMINING THE PROPERTIES OF A PRESSURE-MANIPULABLE TEST SAMPLE - A method for determining the plasto-elastic properties of a test sample, which can be affected by the action of pressure, includes pressing a test body against a surface of the test sample with a defined force. Plasto-elastic changes of the surface resulting therefrom are recorded during and/or after the pressure application. A centrifugal force generated by rotating the test body around an axis is utilized as a pressure force which is generated by radially movably guiding the test body, which is disposed between the test sample and the axis, relative to the radially fixed test sample. | 05-10-2012 |
| 073781000 |
Specified load or strain transmission device from specimen to electrical detector | 4 |
| 20100005897 | Load Measurement Method and Device - A device for axial load measurement on a mechanical control device ( | 01-14-2010 |
| 20080271542 | METHOD TO EXTEND TESTING THROUGH INTEGRATION OF MEASURED RESPONSES WITH VIRTUAL MODELS - A system and method to expand capabilities of simulation and durability testing of a specimen under test utilizing a virtual signal that is generated by combining the actual measured signal from a transducer with a supplemental or simulated signal created by a function based on position, load or another known or measurable parameter. This virtual signal may then be inserted into a control loop to adapt the system to this new, calculated or combined signal. | 11-06-2008 |
| 20090064792 | LOAD DETECTING APPARATUS - A load detecting apparatus includes a strain member, a supporting member, a load input member and a strain detecting element. The supporting member is employed for supporting the strain member at a supporting portion thereof The load input member is supported by the strain member and strains the strain member when an external load is applied thereon. The strain detecting element is provided at at least a surface of the strain member for detecting the strain generated by the load input member. Further, an outer end of the supporting portion located outwardly relative to the load input member is fixed to the strain member. | 03-12-2009 |
| 20090126500 | LOAD DETECTION DEVICE - A load detection device includes a strain generating body having first and second holes at first and second ends of the strain generating body, a strain gauge attached on the strain generating body, first and second fixing members having first and second middle shaft portion press-fitted into the first and second holes, respectively, and having first and second end shaft portions protruding from the first and second middle shaft portions, respectively, a bracket member having first fixing portion including a first fixing hole into which the first end shaft portion is press-fitted, and a second fixing portion, integrally connected to the first fixing portion and including a second fixing hole into which the second end shaft portion is inserted with a clearance therebetween, a press-fit fixing member press-fitted onto the second end shaft portion, and a connecting shaft integrally connected to the strain generating body. | 05-21-2009 |
| 073762000 |
Indicating coating or sheet providing direct visual indication (e.g., cracking, color change) | 3 |
| 20090314097 | Method of measuring strain in a flex hose or other flexible member - A method of detecting excessive strain in an elongated flexible member comprising: (a) applying at least one strain-detecting strip to the flexible member in an area that will be subject to bending in installation or use; (b) installing the flexible member in place; and (c) after installation, inspecting the strain-detecting strip for signs of excessive strain in the flexible member. | 12-24-2009 |
| 20120152030 | Device for Measuring Deformation of a Structure and a Method for Measuring Deformation of a Structure Using the Same - The present invention relates to a device for measuring a deformation ratio of a structure and a method of measuring a deformation ratio of a structure using the same. More specifically, the device for measuring a deformation ratio of a structure according to the present invention comprises a photonic crystal layer containing nanoparticles aligned at a certain interval. | 06-21-2012 |
| 20100206088 | Self-Assessing Mechanochromic Materials - A mechanochromic material includes a polymer having a backbone containing a mechanophore. | 08-19-2010 |
| 073855000 |
Support, holder, or housing for unspecified type electrical sensing element | 3 |
| 20090090193 | Bandage type sensor arrangement and carrier assembly therefore, and method of manufacture - A bandage type sensor arrangement wherein the sensor includes two parts movable with respect to each other, a carrier assembly is connected to the sensor parts for maintaining the sensor parts in place prior to use, and that is readily detachable for releasing the sensor parts while providing a connection of the sensor parts to a surface to be monitored. A cover is included as part of the carrier assembly to protect the operation of the sensor. | 04-09-2009 |
| 20100300210 | Cover for Protecting Component from Shear Force - A system includes a structure and a component. The component including an energy providing device and a protective cover. The structure has a structure surface. The protective cover has a protective cover attachment surface mounted on the structure surface. The energy providing device is located within the protective cover. The protective cover has a protective cover outer surface. The protective cover outer surface is oriented to face a first direction from which an impact load may strike the protective cover outer surface and shear the protective cover from the structure surface. The protective cover outer surface has an outer surface shape facing the first direction. At least a portion of an impact load striking any region of the protective cover outer surface facing the first direction is transferred by the outer surface shape into a compression load. | 12-02-2010 |
| 20120325010 | SYSTEM AND METHOD TO PROTECT STRAIN GAUGES WHILE TRANSMITTING PRESSURE - A technique facilitates drilling of boreholes by enabling improved measurement of strain during drilling applications. A strain gauge is mounted on a drilling component of a drill string. The strain gauge is covered with a volume of liquid, and the liquid is enclosed at least in part with a flexible layer of material. The flexible layer of material is sufficiently flexible to provide a negligible pressure differential between the volume of liquid and the surrounding environment while drilling, thus enabling accurate functioning of the strain gauge. | 12-27-2012 |
| Entries |
| Document | Title | Date |
|---|
| 20100000327 | STRAIN GAUGE TYPE SENSOR - A strain gauge type sensor of the present invention has: a first flange having four flexible portions; and a second flange which is disposed so as to face the first flange and has four flexible portions. A connection member formed at a central portion of each flexible portion of the first flange is connected to a corresponding connection member formed at a central portion of each flexible portion of the second flange. On the under surface of the first flange fixed are groups of strain gauges. The strain gauges of each group are arranged in a line. Sets each containing: four strain gauges arranged in a line; a flexible portion of the first flange; a flexible portion of the second flange; and connection members, are disposed at intervals of 90 degrees about a Z-axis and at a same distance from the Z-axis. | 01-07-2010 |
| 20110277551 | VEHICLE COLLISION STRESS WAVE SENSOR - A sensor configured to detect a stress wave propagating through a vehicle frame member caused by a vehicle collision is provided. The sensor includes a sensor body configured to be rigidly coupled to the vehicle frame member, a first strain sensing device and a second strain sensing device attached to the sensor body. The sensor body is configured to exhibit stress in response to transverse and torsional stress wave propagating along the vehicle frame member. The first strain sensing device generates a first signal indicative of stress in the sensor body and the second strain sensing device generates a second signal indicative of stress in the sensor body. A first end portion of the sensor body is characterized as trapezoidal prism shaped and a second end portion of the sensor body is characterized as trapezoidal prism shaped. | 11-17-2011 |
| 20080276715 | Handrail testing device - A handrail testing device having a lever arm having a first end and a second end, a mounting portion connected to the lever arm capable of pivotally securing the first end on or near a handrail, a load portion connected to the lever arm and capable of engaging the handrail to transmit a force applied to the second end of the lever arm to the handrail, and a measurement portion connected to the lever arm. | 11-13-2008 |
| 20080264176 | METHOD OF MAKING AN ALUMINA DEPOSIT ON A SUBSTRATE COVERED IN SIC - The invention relates to a method of depositing an alumina coating on a part having a silicon carbide surface. The method comprises the following steps:
| 10-30-2008 |
| 20090249883 | PROCESS FOR PRODUCING POLYMER ORIENTED CRYSTAL, POLYMER ORIENTED CRYSTAL PRODUCED BY SAID PRODUCTION PROCESS, AND METHOD FOR DETERMINING CRITICAL ELONGATION STRAIN RATE OF POLYMER MELT - A method and means for determining a critical elongation strain rate of a polymer melt, which make it possible to subject a polymer melt to elongation to prepare a bulk oriented melt, are established, and a process for producing bulk polymer oriented crystals and polymer oriented crystals are provided. In the critical elongation strain rate determination process or critical elongation strain rate determining method, a polymer melt ( | 10-08-2009 |
| 20110167920 | TORQUE SENSOR ARRANGEMENT WITH ROTATIONAL ANGLE INDEX DETECTION - Sensor arrangement including a torque sensor for measuring the torque acting on a first shaft, the sensor arrangement having a rotational angle index unit which is designed in such a manner that it can detect and/or identify the angular position of the first shaft with respect to a defined rotational angle and/or defined rotational angle range. | 07-14-2011 |
| 20080295604 | Method and systems for measuring blade deformation in turbines - A method for determining the radial deformation of a blade in a turbine that includes: 1) taking an initial measurement of the blade with one or more proximity sensors disposed around the circumference of a stage of blades; 2) after the initial measurement, taking a second measurement of the blade with the one or more proximity sensors; 3) making a determination of the radial deformation of the blade by comparing the initial measurement to the second measurement. The initial measurement and the second measurement may be taken while the turbine is operating. | 12-04-2008 |
| 20080245156 | MINIATURE SENSOR - A strain sensing apparatus including a deformable substrate is presented. The deformable substrate is configured to detect a strain of the body that can be coupled to the deformable substrate. Sometimes, the deformable substrate is a flexible substrate having an upper surface and an opposite lower surface. The lower can be coupled to the body. There are sensing elements fabricated within the flexible substrate and proximate to the upper surface to detect properties of the body. The strain sensing apparatus is able to detect different strain modes, such as whether the strain is the result of bending of a body or a uniaxial elongation. Furthermore, the apparatus is small and less fragile than most conventional sensors, making it easy to use. | 10-09-2008 |
| 20080264175 | METHOD OF MAKING A DEPOSIT ON AN SIC-COVERED SUBSTRATE - The invention relates to a method of depositing a coating on a part having its surface made of silicon carbide. The method comprises the following steps:
| 10-30-2008 |
| 20100139412 | DIFFERENTIAL NON-LINEAR STRAIN MEASUREMENT USING BINARY CODE SYMBOL - The bands and corners of rectangular or other geometric shapes for binary code symbols are used to measure non-linear and non-uniform strain in a material with an anomaly such as a crack in the area of strain measurement. In particular, they can be used to evaluate differential strains in the regions of the bands and corners; and the external and internal boundaries can be used to measure differentials in strain between the external boundaries and internal boundaries. | 06-10-2010 |
| 20090100937 | Method of grading microfiber cleaning cloths - A method of grading a microfiber cleaning cloth is provided. The method includes determining a basis weight of the microfiber cleaning cloth; assigning the microfiber cleaning cloth a heavy-duty grade if the basis weight is greater than 400 g/m | 04-23-2009 |
| 20110000305 | Stress Sensor and Assembly Method Thereof - A stress sensor includes a circuit board having a stress sensitive structure, a pointing stick and a metallic back plate. The stress sensitive structure includes a stress deformation region and multiple resistors located on the stress deformation region. The pointing stick is disposed on a top of the circuit board and connected to the stress sensitive structure. The metallic back plate includes at least one fixing material coating region, and thus the fixing edges of the circuit board are fixed on the corresponding fixing material coating region. An assembly method for the stress sensor is also provided. | 01-06-2011 |
| 20120118070 | STRAIN SENSOR - The present invention defines a strain sensor for measuring strains induced on a component surface ( | 05-17-2012 |
| 20110247426 | Conveyor Belt Cleaner Scraper Blade with Sensor and Control System Therefor - A conveyor belt cleaner scraper blade for cleaning the surface of a conveyor belt and a method of manufacture of the scraper blade. The scraper blade includes a body having a base member adapted to be attached to a cross shaft of a conveyor belt cleaner and a scraping member which extends outwardly from the base member to a scraping tip. The scraper blade includes one or more electrical sensors that are embedded in an insert member. The insert member and the sensors are molded and embedded within the body of the scraper blade. Each of the sensors is adapted to provide an electrical output signal representing a physical condition of the scraper blade sensed by the sensor. A variety of sensor embodiments are described, as well as two embodiments of control and monitoring systems for use in conjunction with the various blade and sensor combinations. | 10-13-2011 |
| 20090114031 | ACCELERATION STRAIN TRANSDUCER - An accelerometer is provided including a strain sensor with a substantially linear configuration. The strain sensor is mounted on a transducer such that the strain sensor extends laterally across the transducer. The transducer has a base and a plurality of flaps joined at a first end to the base and supporting the strain sensor at a second end. The flaps translate acceleration in a predefined direction to strain in the strain sensor. Further embodiments have flaps defining an interrupted surface with greater height at the center and flaps that have features for enhancing the strain caused by acceleration. | 05-07-2009 |
| 20110259110 | Device for Measuring Strain in a Component - Disclosed is an apparatus and method for measuring the diametral change in a cylindrical component by monitoring and measuring bending (compression and tension) effected by the diametral change in a plane perpendicular to the diameter of the cylindrical component. The apparatus for effecting the method comprises at least one web, but typically two webs, defining planes perpendicular to the diameter of the cylindrical component and strain measuring elements mounted on the web planes and arranged to sense and measure the compressive and tensile (bending) action of the strain-gauge-mounted webs. | 10-27-2011 |
| 20110303018 | Testing apparatus - The invention relates to a testing apparatus, comprising a carrying construction for supporting a road section, and a frame for positioning a test wheel on the surface of the road section. During operation of the apparatus the test wheel, by a tread thereof, describes a circular path over the road surface. The frame is provided with a sensor for measuring a force exerted on the measuring wheel by the road surface. | 12-15-2011 |
| 20120031191 | METHOD AND DEVICE FOR DETERMINING MECHANICAL STRESS LOAD AND INTERFACE EFFECTS ON PARTICLES DISPERSED IN A FLUID - The present invention concerns a method and a device for determining mechanical stress load, and optionally interface effects, on particles dispersed in a fluid. According to the invention, fluid comprising dispersed particles such as biomolecules is fed into a sample space of a device comprising a jacket which encloses a sample chamber and at least two rolls arranged within said jacket such that said sample space is defined between said rolls, said rolls being independently rotatable with respect to each other, wherein said jacket has an inner surface which is essentially adapted to the outer surface of the rolls, rotational movement is imparted to at least one of the rolls of said device, and changes in the state of said particles are determined from which mechanical stress load acting on the particles can be determined | 02-09-2012 |
| 20120006121 | PISTON RING TENSION MEASUREMENT APPARATUS - To provide a piston ring tension measurement apparatus which can stably measure a piston ring for suitable tension, the piston ring tension measurement apparatus of the present invention comprises: a table | 01-12-2012 |
| 20120132007 | USE OF FIBER OPTICS TO MONITOR CEMENT QUALITY | 05-31-2012 |
| 20120186356 | SYNTHETIC SYNOVIAL FLUID COMPOSITIONS AND METHODS FOR MAKING THE SAME - Artificial or synthetic synovial fluids and methods for making such fluids are disclosed. The fluid includes selected proteins, phospholipids and hyaluronic acid and mimics the properties of human synovial fluid. | 07-26-2012 |
| 20120255365 | APPARATUS, DEVICE AND METHOD FOR DETERMINING ALIGNMENT ERRORS - The invention relates to an apparatus, a device and a method for determining local alignment errors which have occurred due to strain and/or distortion of a first substrate relative to a second substrate when the first substrate is joined to the second substrate and for alignment of two wafers by means of position maps, strain maps and/or stress maps of wafers which are recorded during and/or after alignment of the wafers, especially through at least one transparent region of at least one of the wafers, optionally the relative position of the two wafers to one another being corrected especially in-situ. | 10-11-2012 |
| 20120227506 | TESTING MODULE - A very versatile testing module includes a main body, a drive module, a sliding module, a transmission module, and a frictional member. The drive module is positioned in the main body. The transmission module includes a rotational plate and a connecting plate. The drive module drives the rotational plate to rotate. One end of the connecting plate attached to the sliding module, and the other end thereof adjustably attached to the rotational plate. The frictional member is mounted to the sliding module. | 09-13-2012 |
| 20080276714 | Method for Determining Strain Hardening Property of Line Pipe - A method for determining a strain hardening property of a pipe enabling reduction of costs while ensuring pipeline integrity is provided. Moreover, a method for manufacturing a pipe based on the method for determining the strain hardening property of the pipe, a pipe manufactured by means of the method for manufacturing the pipe, and a pipeline are proposed. The method for determining the strain hardening property of the pipe according to the present invention includes a step of defining pipe dimensions where a diameter D, a thickness t, and a required critical local buckling strain ε | 11-13-2008 |
| 20120234100 | LOAD PIN WITH INCREASED PERFORMANCE - A load pin includes a main body, a plurality of recesses, and a plurality of sensor pockets. The main body has a plurality of loading surfaces and a plurality of relief surfaces formed therein. Each loading surface is disposed between two of the relief surfaces. The recesses are formed in and extend at least partially around the outer surface of the main body. Each recess has a substantially round inner surface, is formed in a different one of the relief surfaces, and is disposed between a different pair of loading surface. The sensor pockets are formed in the outer surface, extend partially into the main body, are disposed between a pair of loading surfaces, and extend through the recess that is disposed between the same pair of loading surfaces. | 09-20-2012 |
| 20120137786 | PRESSURE SENSOR MEASURING ELEMENT AND PRESSURE SENSOR PROVIDED WITH THE LATTER - A pressure sensor measuring element for a pressure sensor operates to detect pressure in a combustion space of an internal combustion engine. The pressure sensor measuring element includes a separating diaphragm, a plunger for the transmission of deflections of the separating diaphragm to a force measuring element, and a sleeve which receives the plunger. The sleeve is closed by the separating diaphragm at a first end intended to face the combustion space and is designed to hold the force measuring element at the opposite second end. Accordingly, the pressure sensor measuring element can be produced more cost-effectively. Furthermore, the plunger can be produced in one piece with the separating diaphragm as a diaphragm/plunger unit, and the sleeve and the diaphragm/plunger unit can be formed from the same metal material. | 06-07-2012 |
