168 results about "Rotation sensor" patented technology

The invention belongs to the technical field of coaxiality detection, and provides a motor shaft coaxiality detection device and method based on a contact displacement sensor. The detection device adopts a modular design, and is integrated with a shaft supporting and positioning system which can be magnetically attracted and locked in a sliding manner, a rotation driving system with magnetic force assistance, and a sensing measurement system with adjustable angle and height. During detection, a motor shaft to be detected is placed on the supporting bearing, and the measuring heads of the two contact type displacement sensors are in contact with the surfaces of different shaft sections of the motor shaft respectively; the driving system drives the shaft to rotate, and the sensor collects radial run-out data; and the data processing system adopts a two-channel difference algorithm to calculate the range of the radial deviation of the two measuring points in a circle of rotation, and the range is used as a coaxiality error. According to the invention, rapid, high-precision and low-cost detection of the coaxiality of the motor shaft is realized, the method is especially suitable for batch automatic application in a production field, and the method has the outstanding advantages of simple operation, strong adaptability and high efficiency.

A sensor assembly includes a housing defining a chamber. A sensor unit is supported by the housing and extends vertically upward along an axis from the housing. The sensor unit includes a base and a sensor housing mounted to the base and rotatable relative to the base about the axis. The sensor unit includes a sensor. The sensor housing extends circumferentially around the sensor and defines a sensor chamber therebetween. A blower box is supported by the housing in the chamber. The blower box defines a blower chamber in fluid communication with the sensor chamber. A blower is disposed in the blower box.

There is provided methods and apparatus of encoding / decoding a point cloud captured by a set of sensors. The encoding method obtains a list of ordered points of the point cloud by ordering the points according to a lexicographic order based on azimuthal angles and sensor indices associated with points of the point cloud; obtains a next point following a current point in the list of ordered points and having an order index different of an order index of the current point, and obtains a number of duplicated points equals to a number of points following the current point that have an order index equals to the order index of the current point; encodes the number of duplicated points and encodes an order index difference representing a difference between the order index of the next point and the order index of the current point.

The invention relates to a rotation sensor (4) for a steering system (1) of a motor vehicle, comprising a magnet element (41) which can be mounted on a steering shaft (10) and which can be rotated about an axis (L), and two stator elements (42a, 42b) which are fixedly arranged coaxially with respect to the magnet element and are axially spaced apart from each other, the stator elements (42a, 42b) are operatively connected to at least one sensor element (6) via two flux conductors (5a, 5b), the flux conductors (5a, 5b) each having a converging section (51a, 51b) connected to the stator elements (42a, 42b), a coupling section (58a, 58b) connected to the converging section and a compensation section (52a, 52b), and the sensor element (6) is arranged between the two coupling sections (58a, 58b) which are axially opposite one another. In order to be able to achieve an optimized construction and to reduce the production effort, the invention proposes that the compensation sections (52a, 52b) of the two flux conductors (5a, 5b) are arranged in the axial direction without overlapping.

This invention provides an unattended gas valve control actuator, comprising an inverted L-shaped housing. The upper part of the longitudinal compartment of the housing houses a clutch device, and the lower part houses a drive motor. The transverse compartment houses a bridge gear and a valve stem sleeve for driving the gas valve stem. This invention adopts a side-drive structure, reducing the overall height of the actuator and making it easier to install in confined valve wells. The clutch mechanism allows for easy switching to manual operation with just a push-pull lever, enabling more convenient handling of system failures or other emergencies. The invention includes a rotation sensor that measures the number of rotations of the bridge gear to determine the valve's opening degree, ensuring precise valve control. Using a hydraulic motor as the drive motor eliminates the need for high-voltage, high-current input, preventing electrical sparks during operation and eliminating the risk of explosion, thus improving safety.

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).

A system for preventing shifting between a plurality of gear ratios in a mechanical gearset. An operating sensor detecting rotation of a moving component in the mechanical gearset, a shift solenoid controlling shifting among the plurality of gear ratios, and a microcontroller communicatively coupled to the shift solenoid and the operating sensor that prevents activation of the shift solenoid when rotation is detected by the rotation sensor.

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.

A vehicle includes: a driving source; a rotation sensor that detects a rotational speed of the driving source; control circuitry; and an actuator that operates the driving source. When the rotational speed of the driving source has exceeded a preset upper threshold, the control circuitry executes suppression control that suppressed an output power of the driving source in comparison with before the rotational speed of the driving source exceeds the upper threshold. In the suppression control, the control circuitry gives to the actuator a command that makes the output power of the driving source suppressed in comparison with before the suppression control is executed, in accordance with an excess degree set in relation to an excess time period that is a time period in which the rotational speed of the driving source has exceeded the upper threshold.

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.

A method of running a tubular string into a well can include measuring a threaded connection parameter using a sensor, thereby producing sensor measurements, measuring the threaded connection parameter using another sensor, thereby producing sensor measurements, and performing data fusion on the sensor measurements, thereby producing fused sensor measurements. An apparatus for running a tubular string into a well can include a rotation sensor configured to measure rotation of a tubular and produce rotation measurements, another rotation sensor configured to measure the rotation of the tubular and produce rotation measurements, and a control system including a data fusion module configured to determine fused rotation measurements from the sensed rotation measurements.

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.

A handle (100) for attachment to a locking mechanism of a window (300) or a door, and movable between first and second positions to engage and disengage the locking mechanism. The handle (100) comprises a handle body (102) configured, when attached to the locking mechanism, to be rotatable about a first axis (104) to move between the first and second positions, and to be rotatable about a second axis (108) perpendicular to the first axis (104), a sensor (106) coupled to the handle body (102) and configured to collect first sensor data and second sensor data indicative of rotation of the handle body (102) about the first axis (104) and the second axis (108) respectively, and a controller (122) configured to determine a state of the handle (100) based on the first sensor data and the second sensor data, for determining a window or door status when the handle (100) is attached to the locking mechanism.

A ball joint contains a body and a pin having a first threaded end and a second spherical end which is rotatably arranged within a seat of the body. The pin cooperates with a first spherical-cap-shaped element inserted within a further seat having a corresponding shape of a second spherical-cap-shaped element cooperating with a covering element to close the spherical end of the pin within the body. The second spherical end of the pin and the first and second spherical-cap-shaped elements include pairs of recesses and ridges in the contact areas for reciprocally compenetrating, the pairs of recesses and ridges being arranged at 90° to each other to allow rotation of the pin along all axes in the body. An angular movement sensor integral with the body of the joint cooperates with the second spherical-cap-shaped element to detect rotation of the pin.

A radio remote-control apparatus having energy harvesting and rotation sensing functions, comprising: a motor (1), an energy harvester (2), a rotation sensor (3) and a radio transmitter (4), wherein a stator of the motor (1) at least includes two windings; an input of the energy harvester (2) and an input of the rotation sensor (3) are both connected to the windings; an input of the radio transmitter (4) is connected to an output of the rotation sensor (3); when a circular dial (5) connected to a rotating shaft of the motor (1) is rotated, the motor (1) serves as a generator, both the windings generate alternating-current signals and output same to the energy harvester (2), and the energy harvester (2) provides a power supply to the rotation sensor (3) and the radio transmitter (4); in addition, the amount of rotation and direction of rotation of the circular dial (5) are also reflected in phase changes of the signals output by the windings, and on the basis of the phase changes of the signals output by the windings, the rotation sensor (3) generates a control signal, which is modulated and transmitted by the radio transmitter (4). The problem of it being difficult to realize self-supply of electric energy in rotation-sensing radio control is effectively solved, and a low-cost and efficient rotation remote-control mode is provided.

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.

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.

The utility model relates to the technical field of hand-muscle developers, and discloses an athletic training partner hand-muscle developer which comprises an elliptical ring body, a groove is formed in the front side of the top end of the elliptical ring body, a protective shell is fixedly connected to the interior of the groove, a laser receiver is fixedly connected to the right side of the interior of the protective shell, and the laser receiver is fixedly connected to the right side of the interior of the protective shell. An infrared emitter is fixedly connected to the left side of the interior of the protective shell, an abutting rod is slidably connected to the front side of the middle of the oval ring body, a sliding plate is fixedly connected to the front side of the abutting rod, the abutting rod is sleeved with a spring, and a pressure sensor is fixedly connected to the rear side of the abutting rod; the top end of the front side of the pressure sensor is fixedly connected with a telescopic rod. According to the utility model, an athlete is helped to track and analyze the extrusion times and the grip strength, data is transmitted to the intelligent terminal for recording through the central processing display, the athlete is helped to train and adjust, the induction effect of the rotation sensor on the rotation amplitude of the positioning rod can be enhanced, and the data accuracy is improved.

This application relates to a rotational sensor for an injection device, and more particularly to a rotational sensor for an injection device, the rotational sensor comprising: - a rotatable element configured for mechanical engagement with a ratchet mechanism, the rotatable element including an outer rim and a hub and configured to transmit torque between the outer rim and the hub; - at least one sensor attached to the rotatable element and configured to measure at least one of mechanical force, mechanical pressure, or mechanical strain at a portion of the rotatable element during rotation of the rotatable element; - a processor connected to the at least one sensor and configured to calculate a rotation angle of the rotatable element based on the sensor output of the at least one sensor.

The present invention relates to a bearing equipped with a rotary sensor and having a further reduced axial dimension, in which a magnet in a magnetic ring and a magnetic sensor are axially opposite each other at a position on an axial side of a rolling bearing, the magnet being arranged on an axial side with respect to the magnetic sensor. An outer ring (4), which is a bearing ring of an inner ring (3) and the outer ring (4) of a rolling bearing (1), has a side surface (9a) arranged at one of two axial ends of the bearing ring, which define the width of the outer ring (4), and a recess (18) that extends from the side surface (9a) towards the other of the two axial ends. The magnetic sensor (15) is attached to the recess (18).

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.

A vibration monitoring device for monitoring vibration of a rotating body including an impeller part of a rotating machine, the vibration monitoring device being provided with: a rotation sensor which is disposed at a distance from the impeller part in the radial direction and outputs a rotation signal synchronized with the rotation of the rotating body; the output of the rotation signal changes according to the distance between the impeller part and the rotation sensor; a segment acquisition unit that acquires a plurality of segments in which the output of the rotation signal exceeds a predetermined threshold value; and a vibration signal acquisition unit that detects a peak value from each of the plurality of segments, and acquires a vibration signal that is a signal relating to vibration of the impeller section based on a change in the peak value.

A cutting system according to an embodiment of the present disclosure is provided with: a power supply device having a power transmission antenna provided in a machining space of a machine tool; and a milling tool disposed in the machining space, the milling tool including: a rotating shaft that is driven to rotate by the machine tool; the sensor is arranged on the rotating shaft; the shell is arranged on the rotating shaft and accommodates the sensor; and one or more power receiving antenna circuits housed in the housing and receiving power transmitted from the power transmitting antenna.

Electromotive unit (EMU) comprising an electric machine including a rotor (9) and a rotor shaft (1) having a tubular body, the electromotive unit comprising a differential mechanism (DF) housed inside the rotor shaft, with a planet carrier element driven in rotation by the rotor shaft, a differential cover (7) inserted externally on the first axial end of the rotor shaft, the differential cover comprising an axial opening (72) allowing passage of a first drive shaft, a rotation sensor (92) mounted on the housing element, a rotating sensor target (8) arranged on the differential cover, with target patterns positioned opposite the rotation sensor (92), an electrical friction track (70) on the differential cover or on the sensor target (8), receiving friction from eyelashes or brushes connected to a stationary element in electrical coupling with the electrical ground of the electromotive unit.Figure from the summary: Fig.7.

A nozzle assembly with a data logger. The nozzle apparatus assembly comprises a housing body and a tubular nozzle shaft coupled to a nozzle head. The tubular nozzle shaft and the nozzle head define a portion of a fluid pathway extending from an inlet end of the housing body to a set of directional nozzles. The tubular nozzle shaft and the nozzle head are configured to rotate together in response to a discharge of a pressurized liquid from the set of directional nozzles. A data logger housed within the housing body includes a rotation sensor configured to detect rotation of the tubular nozzle shaft or the nozzle head, a data storage device configured to store rotation data captured by the rotation sensor or rotational speed data calculated from the rotation data and time data, and a communications interface configured to transmit the stored data to a remote computing device.

To provide a robot that can improve calibration accuracy of a rotation sensor for detecting movement of an actuator of the robot.SOLUTION: A robot has a connection frame (63) which supports a rolling actuator. The connection frame (63) has a first fitted part (63g) which is fitted to a rotary output part (12c) of the actuator (12), and a remainder (a first arm part (63b), a support part (63a), a second arm part (63c)) that is connected to the first fitted part (63g). a sensor rotation part (16a) of a rotation sensor (16) is fitted to the first fitted part (63g). In the state that the first fitted part (63g) is fitted to the rotation output part (12c) and the remainder of the connection frame (63) is removed from the first fitted part (63g), the first fitted part (63g) and the rotation output part (12c) can rotate through an angle greater than 360 degrees.SELECTED DRAWING: Figure 8

To provide an electric actuator capable of appropriately acquiring a bottom position rotation angle of a detent plate.SOLUTION: An electric actuator comprises an output shaft, a motor, a reduction gear, a rotation sensor which detects a rotation angle of the output shaft, a current sensor which detects a current value of the motor, and a control section. A valley part which is provided at an outer edge includes a bottom part, a first inclined plane and a second inclined place. The control section rotates the output shaft, acquires a detection angle of the rotation sensor in a case where a current value which is detected by the current sensor when a contact position passes the inclined plane exceeds a threshold, acquires a bottom position rotation angle in a state where the contact position is located in the bottom part based on the detection angle, and rotates the output shaft over a first target angle until achieving the first target angle when a first rotation angle cannot be acquired until reaching the first target angle which is a preset rotation angle of the output shaft in the first acquisition step for acquiring the first rotation angle which is a detection angle of the first inclined plane.SELECTED DRAWING: Figure 9

To provide a master cylinder device capable of miniaturizing a magnet as one example.SOLUTION: A master cylinder device according to an embodiment includes, for example, a piston having an inner peripheral surface extending around a central axis and facing the central axis and an outer peripheral surface extending around the central axis and facing the inner peripheral surface, the piston being configured to move in an axial direction along the central axis and being configured to be restricted from rotating around the central axis, a sensor spaced apart from the outer peripheral surface in a direction orthogonal to the central axis and configured to detect magnetism, and a detection target component having a magnet located between the central axis and the sensor and being partially provided on the outer peripheral surface around the central axis.SELECTED DRAWING: Figure 2

A method for monitoring seaming tools for a sealer for sealing a container includes providing a seaming tool and a monitoring device for monitoring the seaming tool, the monitoring device including a rotation sensor which is signal-connected to the monitoring device, by which rotation sensor the rotation of the seaming tool can be measured. Rotating the seaming tool and monitoring the seaming tool by measuring a temporal course of the rotation of the seaming tool by the rotation sensor.