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37 results about "Rotation sensor" patented technology

CMC’s shaft rotation sensor is an application specific sensor, designed to measure the shaft speed of rotating machinery. It is an Intrinsically Safe shaft rotation sensor when used as part of CMC’s single wire digital HazMon network and is ideal for monitoring shaft speed on most types of industrial machinery.

Method for monitoring crimping tools

A reliable method for monitoring the wear of crimping tools. [Solution] A method for monitoring a crimping tool for sealing a container, comprising a crimping tool (8,9) and a monitoring device (20) for monitoring the crimping tool (8,9), wherein the monitoring device (20) is equipped with rotation sensors (21,22) that are signal-connected to the monitoring device (20), the rotation sensors enable the measurement of the rotation of the crimping tool (8,9), and the method monitors the crimping tool (8,9) by rotating the crimping tool (8,9) and measuring the time elapsed of the rotation of the crimping tool (8,9) using the rotation sensors (21,22).
Owner:FERRUM PACKAGING AG

Vehicle mud removal and washing guide device

PendingJP2026109264ADriver/operatorDisplay device
The present invention provides a device that guides the driver of a construction vehicle so that they can objectively check the cleaning status without having to get out of the driver's seat, when using a vehicle mud-removal and cleaning device. [Solution] The vehicle mud-removal washing guide device 10 of the present invention comprises a rotation sensor 1 that measures the speed of a construction vehicle running on a group of rollers provided on a frame on which the front and rear tires of the construction vehicle are respectively placed, and a display device 2 that guides the washing state of the construction vehicle based on the measured speed. The display device outputs the washing state in a manner that can be visually recognized, and includes a light-emitting area composed of LED units, and guides the washing state by a bar graph meter in which the proportion of light emitted in the light-emitting area changes in a bar shape.
Owner:INOUEKOUZAI CO LTD

Bearing damage detection system and bearing damage detection method

PendingCN122459592ARolling-element bearingNoise
A bearing damage detection system includes a rotation sensor that detects rotation of a rolling bearing and outputs a rotation signal, a rotation fluctuation extraction section that extracts rotation fluctuation of the rolling bearing from the rotation signal and generates a rotation fluctuation signal, a frequency analysis section that performs frequency analysis on a waveform of the rotation fluctuation signal and derives a frequency characteristic, a peak intensity calculation section that derives a peak intensity corresponding to bearing damage from the frequency characteristic, and a damage detection section that detects bearing damage of the rolling bearing based on the peak intensity. The rotation fluctuation extraction section derives a waveform of the rotation fluctuation signal from which various noises are removed.
Owner:NSK LTD

Hybrid system

ActiveCN115697800BMechanical engineeringRotation sensor
The present invention provides a hybrid power system capable of calculating more appropriate required torques when the input factors available for calculating various required torques are limited. The hybrid power system (2) includes at least one of: a rotation sensor (31) for detecting the rotational speed of an engine (3); an accelerator opening sensor (61) for detecting the accelerator opening degree; and a speed indicator (62) for sending a speed signal indicating a constant rotational speed to the engine (3); and a control unit (5) for controlling the operation of the engine (3). The control unit (5) calculates a torque determination factor for determining the system required torque of the hybrid power system (2) based on at least one of the accelerator opening degree detected by the accelerator opening sensor (61) and the speed signal sent by the speed indicator (62), and performs control to calculate the system required torque based on the rotational speed detected by the rotation sensor (31) and the calculated torque determination factor.
Owner:KUBOTA CORP

Rotary Actuator with a Position Sensor

PendingUS20260177084A1Fluid-pressure actuatorsConverting sensor output mechanicallyCamRotary actuator
An example rotary actuator includes: a housing having a cavity therein; an output shaft disposed in the cavity and configured to rotate within the housing upon providing fluid flow within the housing; a cam coupled to the output shaft and configured to rotate therewith; and a rotary′ sensor mounted to the housing, wherein the rotary′ sensor interacts with the cam such that the rotary sensor provides sensor information indicating a rotary′ position of the cam and the output shaft.
Owner:PARKER HANNIFIN CORP

Work vehicles

PendingJP2026110080AOn boardRotation sensor
In work vehicles, this system allows for both steering by an operator on board and steering from a remote location, and enables steering with the same feel as when operating from a remote location. [Solution] The vehicle comprises a vehicle body (2) that is supported by wheels (3) and capable of moving, a steering mechanism (32) that steers the wheels (3), a vehicle-side control device (31) that controls the drive operation of the steering mechanism (32), and a steering unit (20) that can be attached to and detached from the vehicle body (2). The steering unit (20) includes a rotation sensor (112) that detects the direction of rotation and the angular velocity of rotation, and a communication means (100) that wirelessly transmits information based on the detection signal of the rotation sensor (112) to the vehicle-side control device (31). As a result, the wheels can be steered using the steering unit regardless of whether the steering unit is attached to the vehicle body or detached from the vehicle body.
Owner:ISEKI & CO LTD

Shaft speed sensing system

ActiveCN116620250BRotational axisDrivetrain
A drivetrain associated with a vehicle includes a shaft that rotates about an axis of rotation. The shaft is connected to a gear set. The drivetrain includes a sensor target that is connected to the gear set and rotates with the gear set. The sensor target includes at least one target. The drivetrain includes a sensor that is spaced apart from the sensor target by a gap. The sensor is configured to observe the at least one target of the sensor target to determine a rotational speed of the shaft.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Torsional vibration damper with a sensor structure

The invention relates to a torsional vibration damper (10) for reducing torsional vibrations in a drive train of a vehicle, comprising an inner component (14) rotatable about a rotational axis (12) by changing a rotational position, several circumferentially spaced spoke springs (18), an outer component (20) rotatably connected to the inner component (14) via the spoke springs (18) and rotatable to a limited extent against a spring force of the spoke springs (18) relative to the inner component (14), wherein the torsional vibration damper (10) has a sensor structure (46) on an outer circumference (44) for a rotation sensor for detecting the rotational position.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG

Vehicle control devices

To provide a vehicle control device that can stably engage the clutch. [Solution] In the case of straight-line driving where the steering angle θsw of the vehicle 10 is less than or equal to a first predetermined value θn and the difference in front and rear wheel rotation speeds ΔNw is less than or equal to a second predetermined value NWn, the electronic control unit 80 calculates the synchronous rotation speed Ntgt from the MG1 rotation speed Nmg1. As a result, in the case of straight-line driving, the MG1 rotation sensor 94, which has high detection accuracy, is used instead of the second wheel speed sensor 92, which has low detection accuracy, in the engagement control of the dog clutch 60, and the rotation synchronization of the first dog teeth 60a and the second dog teeth 60b is performed with high accuracy, so that the engagement control of the dog clutch 60 is performed stably.
Owner:TOYOTA JIDOSHA KK +1

In-situ self-calibration detection method for a gravity sensor

The application discloses an in-situ self-calibration detection method of a gravity sensor, and relates to the technical field of sensing devices, wherein the gravity sensor is a MEMS tilt sensor with a self-detection port, and the method comprises the following stages: factory calibration stage: when the sensor is shipped, N groups of gradient excitation voltages are sequentially applied to the self-detection port, N is a positive integer not less than 2, output signals corresponding to each excitation voltage are recorded, linear fitting is performed on all excitation voltage and output signal data pairs by using a least square method, and a virtual scale factor and a virtual zero position of the factory calibration stage are determined according to the following linear model. The application has the advantages that: the calibration process does not need to rotate the sensor, does not need to ensure a stationary state, and does not need to disassemble the sensor back to the factory, and is completely suitable for all long-term in-situ monitoring scenes such as bridges, dams and industrial equipment, and fundamentally solves the pain point that the prior art cannot perform calibration in an in-situ scene.
Owner:NANJING FORESTRY UNIV

ROTATION SENSOR

ActiveDE112018001301B4Magnetic tension forceElectrorotation
Rotation sensor comprising: - several magnetic sensors (40) arranged at equal intervals in a circumferential direction of a rotating body (100) away from the outer circumference of the rotating body (100), fixed in position and configured to output a sinusoidal signal (fn) and a cosine signal (gn) corresponding to an electrical rotation angle of the rotating body (100) by detecting a change in a magnetic field resulting from the change in the rotational position of the rotating body (100) due to the rotation of the rotating body (100); - a processing unit (50) which receives the sinusoidal signals (fn) and cosine signals (gn) from the several magnetic sensors (40) and adds and subtracts the sinusoidal signals (fn) and cosine signals (gn) according to a predetermined rule,to cancel the high-order components contained in the sinusoidal signals (fn) and cosine signals (gn); - a magnetic pattern section (20) that surrounds an outer circumferential surface (110) of the rotating body (100) in a ring-like manner and in which a first magnetic pole (21) for generating a magnetic force of an N-pole and a second magnetic pole (22) for generating a magnetic force of an S-pole are arranged alternately; and- a mounting section (10) to which the magnetic pattern section (20) is attached, and which is attached to the outer circumferential surface of the rotating body (100) and rotates together with the rotating body (100) about a central axis of the rotating body (100), wherein- the rotating body (100) is a shaft (100) of a motor,- the several magnetic sensors (40) are arranged to face the magnetic pattern section (20) and output the electrical angle signal indicating an electrical angle of the shaft,by detecting the change in the magnetic field received by the magnetic pattern section (20) rotating with the wave,- the sinusoidal signal (fn) of an nth magnetic sensor (40) becomes fn = f {θ + (n-1)π / 8} and the cosine signal (gn) of the nth magnetic sensor (40) becomes gn = g {θ + (n-1)π / 8}, where n = 1 to 16, and- the computing unit (50) obtains the following computational expressions (F1 to F4) and (G1 to G4) from the output of each magnetic sensor (40) to calculate the high-order components contained in the sinusoidal signals (fn) and cosine signals (gn). to cancel:F1=f1−g5−f9+g13G1=g1+f5−g9−f13F2=f3−g7−f11+g15G2=g3+f7−g11 −f15F3=f2−g6−f10+g14G3=g2+f6−g10−f14F4=f4−g8−f12+g16G4=g4+f8−g12−f16.,
Owner:DENSO CORP

Key structure and methods for manipulating key structures

This invention relates to key structures and methods of operating key structures. In some embodiments, the key structure includes: a housing; an extended plunger configured to be pressed and moved along a linear range of motion; a mechanical transmission including an input and an output; a rotating element, wherein the plunger is coupled to the input of the mechanical transmission and the rotating element is coupled to the output, and wherein the mechanical transmission converts the linear motion of the plunger at the input into rotational motion of the rotating element at the output; a magnet coupled to the rotating element; a magnetic sensor configured adjacent to the magnet and operable to generate rotation sensor data corresponding to the rotation of the magnet; and one or more processors configured to control the magnetic sensor and detect the movement of the plunger along the linear range of motion based on the rotation sensor data.
Owner:LOGITECH EUROPE SA

A balancing machine having a load measuring wheel assembly radial unevenness and diagnostic function

The utility model provides a kind of balancing machine with load measuring wheel assembly radial uneven and diagnostic function, comprising: load device (4), main shaft (5), at least one distance sensor component (6), main shaft support (7), at least one rotation sensor component (8), the main shaft (5) is set on main shaft support (7), at least one distance sensor component (6) is set on main shaft support (7), at least one distance sensor component (6) is set on the side close to the main shaft (5) installation wheel assembly, at least one function of the distance sensor component (6) is for measuring the radial uneven of the steel ring in the rotating wheel assembly.The utility model is low to the linear precision and repeat accuracy requirement of distance sensor component (6), can use low cost distance sensor component (6), significantly reduce the cost of equipment, fill in the blank of domestic self-production this kind of balancing machine, overcome the problem that this kind of balancing machine can only be imported, realize domestic substitution.
Owner:YINGKOU DALI AUTOMOBILE MAINTENANCE EQUIP S &T CO LTD

Control device, electric actuator, control method, and program

This invention provides a control device, an electric actuator, a control method, and a program. One embodiment of the control device is a control device for an electric actuator, which includes a motor, a driven part that rotates by driving the motor, and a rotation sensor that outputs an output voltage based on the rotational position of the driven part. The control device includes a control unit capable of performing correction processing. A first input voltage based on the output voltage and a second input voltage based on an actual power supply voltage applied to the rotation sensor are input to the control unit. In the correction processing, the control unit corrects the output voltage obtained based on the first input voltage based on relational information and the second input voltage, wherein the relational information indicates the relationship between the output voltage and the rotational position when a reference voltage is applied to the rotation sensor as the power supply voltage.
Owner:NIDEC POWERTRAIN SYST CORP

Sensor assembly for determining the angle of rotation of an object rotatable about an axis of rotation

Sensor assembly for redundant determination of the angle of rotation of a rotatable object about an axis of rotation, comprising a first sensor device for detecting the angle of rotation of the rotatable object based on an electromagnetic measuring principle and a second sensor device for detecting the angle of rotation of the rotatable object based on an inductive measuring principle, wherein a magnetic device comprising a multipole magnet of the first sensor device and a coupling device of the second sensor device are each coupled non-rotatably relative to the rotatable object. At least one first evaluation and control unit of the first sensor device is arranged on a positionally fixed circuit carrier, receives signals caused by the rotational movement of the multipole magnet and generates a first electrical measuring signal representing the current angle of rotation of the rotatable object, wherein at least one second evaluation and control unit of the second sensor device is arranged on a positionally fixed circuit carrier, receives signals caused by the rotational movement of the coupling device and generates a second electrical measuring signal representing the current angle of rotation of the rotatable object redundantly. Here, a radial distance exists between the multipole magnet and the axis of rotation of the rotatable object.
Owner:ROBERT BOSCH GMBH

Belt conveyor chute blockage detection system and method based on AI agent

This invention discloses a detection system and method for material blockage in a conveyor belt chute based on an AI agent. The system includes: a power and detection component, comprising a motor, a rotating shaft driven by the motor, and a rotating component connected to the rotating shaft, the rotating component being placed in the conveyor belt chute to be detected; a signal sensing component, comprising a rotation sensor for detecting the rotational speed of the rotating component; a torque overload protection component, comprising a magnetic coupler disposed between the motor and the rotating component, wherein if the rotation of the rotating component is obstructed by material blockage, causing the rotational torque of the magnetic coupler to exceed a preset mechanical protection torque threshold, the magnetic coupler disengages the transmission between the motor and the rotating component; and an intelligent control and decision-making component, comprising an AI agent communicatively connected to the rotation sensor, the AI ​​agent being configured to analyze and judge the rotational state of the rotating component within a preset time window based on the detection signal from the rotation sensor, in order to identify the material blockage status of the chute.
Owner:SUZHOU RUIST INTELLIGENT MFG CO LTD +4

Electromagnetic motor system for driving a pointer

PendingCN122138915AIndication apparatusVehicle sub-unit featuresRotational axisRotor magnets
The present invention relates to an electromagnetic motor system for driving an indicator (16) in front of a display panel (4). The system comprises: an electromagnetic motor including a stator (6) and a rotor (7), the stator being configured to face a first side of the display panel and including coils, the rotor being configured to face a second opposite side of the display panel and being formed as a ring to allow a readable area on the second side of the display panel (4) to be seen at least through the inner region of the ring, the rotor (7) including a set of rotor magnets placed along the ring; a guide (8) configured to hold the rotor (7) in a given position relative to the display panel while allowing the rotor to rotate relative to a rotor rotation axis; an indicator (16) coupled to or integrally formed with the rotor (7) such that the indicator is configured to rotate relative to the rotor rotation axis when the rotor (7) rotates due to the excitation coil (13); a sensor system (9) configured to determine rotation-related information of the rotor (7); and a control module (10) configured to feed an electrical signal to the coil to excite the coil, at least based on the rotation-related information from the sensor system (9).
Owner:JUEKEN SWISS TECHNOLOGY AG

Nitrogen sealing protection mechanism for heat treatment furnace

This utility model relates to the field of heat treatment furnaces, and more particularly to a nitrogen sealing protection mechanism for heat treatment furnaces, including a connecting flange; it also includes a connecting pipe, support rods, a mounting plate, bearings, a rotating shaft, an impeller, a rotation sensor, a mounting base, a controller, and an audible and visual alarm. A connecting pipe is provided on the front side of the connecting flange, and one end of four circumferentially distributed support rods is installed on the front position of the inner surface of the connecting pipe. The other end of the support rods is provided with a mounting plate, and a bearing is installed at the center position of the rear surface of the mounting plate. By setting up an impeller, when nitrogen leaks inside the heat treatment furnace, the leaking nitrogen will blow the impeller, causing the impeller to drive the rotating shaft to rotate with the cooperation of the bearings. This movement can be detected by the rotation sensor, which then transmits a signal to the controller, causing the audible and visual alarm to sound, thereby alerting the staff that nitrogen is leaking inside the heat treatment furnace.
Owner:HERO MAGNETIC DEV CO LTD

Drilling automation system

ActiveUS12637913B2Drilling rodsFlushingTop driveControl engineering
The system for automating well construction operations includes a plurality of sensors, such as a fingerboard latch position sensor for providing position of a fingerboard latch, a stick-up height sensor for determining a height of a portion of a tubular section extending from a well center, a pipe handler rotation sensor for detecting a position of a pipe handler, a bell guide clearance sensor for measuring a distance between a bell guide and a tool joint, a link tilt position sensor for measuring an angle of a bail with respect to a top drive, an elevator latch status sensor for detecting whether an elevator latch is open or closed, and a power slips sensor for detecting whether a power slips is open or closed. The system includes a controller in communication with the plurality of sensors and configured to command one or more equipment based on inputs from the sensors.
Owner:TRANSOCEAN SEDCO FOREX VENTURES LTD

Vibration monitoring device, turbocharger, and vibration monitoring method

ActiveUS12674724B2Rotational axisTurbocharger
A vibration monitoring device includes: a rotation sensor for outputting a rotation signal synchronized with rotation of a rotational shaft; an output device for outputting a filter command value corresponding to a rotation speed of the rotational shaft calculated from the rotation signal; and at least one filter for extracting, in response to input of the rotation signal and the filter command value, a signal in a passband set according to the filter command value from the rotation signal as a vibration signal from which vibration information of the rotational shaft can be obtained.
Owner:MITSUBISHI HEAVY IND MARINE MASCH & EQUIP CO LTD

Control device, electric actuator, control method, and program

The present invention provides a control device, an electric actuator, a control method, and a program that can improve the accuracy of detecting the rotational position of a driven part. [Solution] A control device for an electric actuator comprising a motor, a driven part that rotates when the motor is driven, and a rotation sensor that outputs an output voltage based on the rotational position of the driven part, comprising a control unit capable of performing correction processing. The control unit receives a first input voltage based on the output voltage and a second input voltage based on the actual power supply voltage applied to the rotation sensor. In the correction processing, the control unit corrects the output voltage obtained based on the first input voltage based on relational information representing the relationship between the output voltage and the rotational position when a reference voltage is applied to the rotation sensor as a power supply voltage, and the second input voltage.
Owner:NIDEC POWERTRAIN SYST CORP

Method and apparatus of encoding / decoding point cloud captured by a spinning sensors head

Methods and apparatus of encoding / decoding a point cloud into a bitstream of encoded point cloud data captured by a spinning sensors head. Each point of the point cloud is associated with spherical coordinates and attributes. The methods comprises signaling, in the bitstream, a scaling offset information representing scaling offsets, and for each current point of the point cloud: encoding / decoding the spherical coordinates of the current point; obtaining decoded spherical coordinates of the current point from the encoded spherical coordinates; scaling the decoded spherical coordinates of the current point by using the scaling offsets; and encoding / decoding at least one attribute of the current point based on the scaled decoded spherical coordinates.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Substrate processing apparatus

PendingCN122342319AGas supplyRotation sensor
An embodiment of the substrate processing apparatus of the present invention includes: a process chamber including a reaction space for processing at least one substrate; a gas injection unit disposed on the upper part of the process chamber for injecting process gas into the reaction space; a substrate support unit including a base plate forming at least one mounting groove, at least one satellite disposed in the at least one mounting groove for loading the at least one substrate and capable of rotating based on at least one rotating gas supplied through the at least one mounting groove; a rotation sensor for measuring the rotation speed of the at least one satellite; and a control unit for adjusting the flow rate of the at least one rotating gas supplied to the at least one mounting groove for adjusting the rotation speed of the at least one satellite respectively.
Owner:WONIK IPS CO LTD

Rotary sensor and steering system for a motor vehicle

A rotary sensor for a steering system of a motor vehicle comprises a ring gear which is rotatably mounted in a housing about an axis (A), having an internal toothing, and a coupling element designed for connection to a steering shaft that can be rotated about its longitudinal axis (L), wherein the housing has an axial end wall, an axial inner wall, and a coaxially running circumferential wall, wherein the ring gear is arranged axially between the end wall and the inner wall and is circumferentially enclosed by the circumferential wall with respect to the axis (A), and wherein at least one measuring wheel, which has a magnetic element, is rotatably mounted in the housing and meshes with its external toothing in the internal toothing of the ring gear, and wherein measuring elements cooperating with the magnetic elements of the measuring wheel are mounted in the housing. In order to improve operational safety and to enable a more compact design, the end wall and the inner wall may be formed continuously closed over an interior enclosed by the internal toothing.
Owner:THYSSENKRUPP PRESTA AG +1

System and method for detecting malfunctions in reaction cup supply devices

This invention relates to a system and method for detecting malfunctions in a reaction vessel supply device. The system for detecting malfunctions in a reaction vessel supply device may include: a grating coaxially disposed with a motor of the reaction vessel supply device to rotate with the motor; a sensor that transmits signals to the grating and receives signals reflected or transmitted by the grating to output a signal; and a controller configured to: control the sensor to transmit signals to the grating and receive the sensor's output signal during the transport of the reaction vessel by the reaction vessel supply device; and determine whether a malfunction has occurred in the reaction vessel supply device based on changes in the sensor's output signal.
Owner:BEIJING STRONG BIOTECH INC

A service condition self-detecting tool

The utility model discloses a kind of service state self-detection cutters, it relates to the technical field of shield cutter, the service state self-detection cutter, including tool holder, tool holder is installed with tool body, tool body outside is fixed with cutter ring, cutter shaft is through the both ends of tool body, rotating sensor is installed on tool body near cutter shaft, temperature sensor is installed on tool body, temperature sensor is embedded to tool body inside, stress sensor is installed in tool body inside stress concentration area, simultaneously wear sensor is installed in cutter ring inside. The utility model passes through the collaborative work of multiple sensors, the key service state data such as rotation speed, temperature change, stress distribution and wear degree of cutter are acquired in real time, abnormal situation is found in time, avoid the safety accident caused by cutter failure, significantly improve the performance, safety and maintenance efficiency of shield cutter.
Owner:CCCC TUNNEL ENG CO LTD +1

Hoist point balance monitoring method for double-drum hoist system

A kind of double-drum hoist system lifting point balance monitoring method, through the drum rotation sensor being arranged on drum, the wire rope tension sensor being arranged at the end of hoist system wire rope and the lifting point position sensor being arranged on hoist system lifting point, establish the true value table of tension deviation, rotation deviation and position deviation, and calculate the measured drum rotation deviation ΔR, tension deviation ΔF and position deviation ΔS;The mapping relationship of drum rotation deviation ΔR, tension deviation ΔF and position deviation ΔS is corresponded using voting method, when two or more of drum rotation deviation ΔR, tension deviation ΔF and position deviation ΔS are true, it is judged that lifting point is unbalanced, and other conditions are judged that lifting point is balanced.The present application uses the above method, can reliably monitor the balance of double-drum hoist system double lifting point, hardware structure is simple, software function is accurate, improves the reliability and stability of monitoring.
Owner:CHINA YANGTZE POWER