G01L1/22

LOAD DETECTION MECHANISM AND PIN-TYPE LOAD CELL
20230213372 · 2023-07-06 ·

A load detection mechanism for detecting a load of an object includes a first member connected to a fixed structure; a second member for suspending an object; a pin (CP1, CP2) configured to cause the second member to be suspended from the first member by continuously penetrating the first member and the second member; a plurality of strain gauges (SG1 to SG8) attached to the pin; and a circuit substrate disposed above the second member. A connection circuit (CC) forming a bridge circuit by connecting the plurality of strain gauges and an amplification circuit (AC) configured to amplify output from the bridge circuit are formed on the circuit substrate.

LOAD DETECTION MECHANISM AND PIN-TYPE LOAD CELL
20230213372 · 2023-07-06 ·

A load detection mechanism for detecting a load of an object includes a first member connected to a fixed structure; a second member for suspending an object; a pin (CP1, CP2) configured to cause the second member to be suspended from the first member by continuously penetrating the first member and the second member; a plurality of strain gauges (SG1 to SG8) attached to the pin; and a circuit substrate disposed above the second member. A connection circuit (CC) forming a bridge circuit by connecting the plurality of strain gauges and an amplification circuit (AC) configured to amplify output from the bridge circuit are formed on the circuit substrate.

Vehicle horn control system

The invention relates to a vehicle horn control system, installed on the steering wheel of a vehicle, comprising: a base part (10), a control device (52), which can move relative to the base part between a rest position and a depressed position, shock-absorbing means comprising a deformable part (31) made from an elastomer material, said means being arranged between the base part and the control device in order to absorb vibrations; and an electric circuit with at least one closed switch when the control device is in the rest position.

Vehicle horn control system

The invention relates to a vehicle horn control system, installed on the steering wheel of a vehicle, comprising: a base part (10), a control device (52), which can move relative to the base part between a rest position and a depressed position, shock-absorbing means comprising a deformable part (31) made from an elastomer material, said means being arranged between the base part and the control device in order to absorb vibrations; and an electric circuit with at least one closed switch when the control device is in the rest position.

Measuring mechanical changes
11549855 · 2023-01-10 · ·

A device for measuring mechanical changes includes at least one first resistor which is designed to convert a mechanical change into a change of its resistance value and at least one operational amplifier, wherein the at least first resistor and the operational amplifier are connected such that the at least first resistor serves as input resistance for the operational amplifier and the operational amplifier provides or can provide a measurement result at an output. The first resistor is for example a strain gauge that can be secured to a component.

CALIBRATED LOAD CELL

A calibrated load cell includes a monolithic load beam having a first region, a second region on a distal end of the load beam from the first region for receiving a force from a load, and a third region arranged between the first and second regions, wherein the third region comprises a recess on one side of the load beam. A strain gauge is arranged in the recess for detecting a deformation of the third region from the load and for generating a strain gauge output signal proportional to the deformation of the third region. The load cell also includes a microcontroller arranged in the recess for receiving and processing the strain gauge output signal to produce a load cell output signal that represents the load on a load cell output cable. The microcontroller transforms the strain gauge output signal based on calibration parameters to produce the load cell output signal as a calibrated load cell output signal.

VALVETRAIN TESTING USING INSTRUMENTED PUSHROD
20230213325 · 2023-07-06 ·

A technique for testing a pushrod valvetrain in an engine includes replacing an original pushrod with an instrumented pushrod (IPD) which includes a sensor configured to measure strain and/or motion. The engine is then operated, and the output of the sensor is monitored for anomalies. Diagnosis and repair of identified defects may then follow.

Conductive polymer nanocellulose aerogels and use as strain sensor

The present disclosure provides an aerogel comprising conductive polymers and cellulose nanofibrils (CNF). The present disclosure also provides a sensor comprising the aerogels of the present invention.

System and method for monitoring body movement

A method for determining the flexion or extension of a joint of a human or animal subject, comprising: applying a plurality of strain gauges to the joint in a known configuration; applying a first inertial measurement unit, IMU, to each strain gauge; receiving strain data from each of the strain gauges; receiving motion data from each of the IMUs; and calculating the flexion or extension of the joint in dependence on the received strain data, motion data and the configuration of the strain gauges.

STRAIN-INSENSITIVE TACTILE SENSOR WITH HIGH SENSITIVITY AND WIDE SENSING RANGE USING STRETCHABLE SENSOR ARRAY

Provided is a tension-insensitive tactile sensor having high sensitivity and a wide sensing range by using a stretchable sensor array. According to the stretchable sensor array and the method for manufacturing the same of the present invention, pressure may be measured without interference of tension while maintaining flexibility of the sensor. In addition, the stretchable sensor array may have high initial resistance, induce a large change in contact resistance when pressure is applied, thereby being capable of measuring pressure with high sensitivity, have a wide pressure sensing range, and have decreased interference by an when sensing a pressure distribution.