2677 results about "Motor unit" patented technology

A robotically-controlled drive unit includes a torque sensing mechanism to measure the torque applied to a rotatable body that is configured to tension an actuation tendon to operate robotic surgical tools and catheters. The drive unit includes a motor unit that generates an output torque in response to a robotic control signal. A beam element generates a reactive torque in response to the output torque generated by the rotor, and a force sensor detects the reactive torque and communicates the magnitude of the reactive torque to a robotic controller. The drive unit may further include a mechanism to perform bi-directional torque sensing, examples of which include additional force sensors and compression springs.

A powered leg prosthesis includes powered knee joint comprising a knee joint and a knee motor unit for delivering power to the knee joint. The prosthesis also includes a prosthetic lower leg having a socket interface coupled to the knee joint and a powered ankle joint coupled to the lower leg opposite the knee joint comprising an ankle joint and an ankle motor unit to deliver power to the ankle joint. The prosthesis further includes a prosthetic foot coupled to the ankle joint, at least one sensor for measuring a real-time input, and at least one controller for controlling movement of the prosthesis based on the real-time input.

A method for the assessment of neuromuscular function by motor unit number estimation, comprising: (i) determining and controlling stimulation and data acquisition process via pre-configured electrode array so as to acquire stable and less uncertainty MU responses; (ii) pre-processing acquired MUs responses so as to attenuate noise, determine MUs activity region, and improve processing speed and accuracy; (iii) minimizing alternation effects by globally searching and comparing SMUPs; (iv) eliminating alternation effects by identifying alternating MUs directly; and (v) computing and reporting MUNE results, as well as the statistical description of these MUN estimates to evaluate its robustness.

A ramp assembly for use in a vehicle provides access thereto by users having reduced mobility. The ramp assembly comprises a ramp platform displaceable relative to a mounting structure between a retracted position and a deployed position. A drive mechanism is disposed within the mounting structure and operable to displace the ramp platform between the retracted and the deployed positions. The drive mechanism includes at least a drive shaft and a bidirectional motor unit selectively actuable to rotate the drive shaft in a first direction for deploying the ramp platform and a second opposed direction for retracting the ramp platform. The drive mechanism includes a pair of flexible transmission elements each interconnecting the drive shaft with a lateral edge of the ramp platform, for displacement thereof relative to the mounting structure.

A system for simultaneously capturing data from multiple sources from individuals training on exercise equipment is provided. The system utilizes a wireless means of either transferring data to a computer server for permanent storage and interactive analysis or to prompt the delivery of programming content or data from a computer server to the exercise units or attachments affixed thereto. The system also includes an interactive means of incorporating third-party input regarding additional characteristics about each exercise unit, entertainment system or human user that when integrated with the base line equipment data becomes highly relevant and valuable. The present invention utilizes a programmable transceiver that can receive entertainment programming and data communications from a central computer server while simultaneously receiving data from multiple devices attached to or integrated within the exercise unit.

An electric derailleur has a motor unit having a derailleur motor with an output shaft, a position control mechanism and a controller. The output shaft is rotated through a moveable range including a first derailleur shift position and a second derailleur shift position. The position control mechanism is configured and arranged to provide a position signal indicative of an angular position of the output shaft. The controller detects a predetermined lockup position of the derailleur motor occurring at one of the first and second derailleur shift positions. The controller also sets a predetermined stop position for the derailleur motor that is calculated distance prior to the lockup position based on the position signal of the position control mechanism. Thus, the derailleur motor can be calibrated such that a new stop position is set that prevents an overcurrent from occurring in the motor.

A blender includes a motor base, a container, and a top cover. The motor base includes a motor unit having a blade driving section, and a contact switch unit connected electrically to the motor unit. The contact switch unit includes a press button that is depressible so as to permit activation of the motor unit. The container has a container bottom provided with a cutting blade unit that is coupled to the blade driving section so as to be driven rotatably by the motor unit. The container has a spring-loaded push rod unit mounted movably thereon. The push rod unit has a bottom rod section associated with the press button of the contact switch unit, and a top rod section depressible by a switch actuating block of the top cover so as to move the push rod unit against biasing action from a deactivating position to an activating position.

A motor unit comprises a housing for containing a motor, a motor shaft for receiving a motor provided driving force, a torque sensor mechanism for detecting torque, and a controller for controlling power to the motor in response to a detected amount of torque. An actuator couples the torque sensor to a sensor of the controller. The actuator is configured to move relative to the controller sensor thereby causing the sensor to produce a signal indicative of the detected level of torque. The controller is contained within the housing of the motor. The motor unit may also have an auxiliary shaft for receiving an externally provided driving force with a first torque transmission path for transferring the externally provided driving force to a drive mechanism and a second torque transmission path for transferring the motor provided driving force to said drive mechanism. A first one way drive means is provided in the first torque transmission path between the auxiliary shaft and the drive mechanism such that when the drive mechanism is being driven by the motor provided driving force through the second torque transmission path, the auxiliary shaft is able to freewheel. The motor unit can drive any apparatus, but may be used in a pedal driven apparatus such as a bicycle where an externally provided driving force is provided by manually operable pedals of said apparatus which are fixed for rotation with the auxiliary shaft. In this case, the auxiliary shaft comprises a pedal spindle of the bicycle and the drive mechanism comprises a sprocket or belt drive.

Provided is a radial arterial pulse sensing apparatus for noninvasive and continuous measurement of blood pressure and arterial elasticity. The apparatus includes two pressure sensor for detecting radial arterial pulses, two cuffs that are disposed under the respective pressure sensors and expandable by application of external pressure, a motor unit for providing proper pressure to expandable pouches under the respective pressure sensors in a state where a wrist band having the pressure sensors is put on a wrist, a pulse wave velocity calculating unit that calculates a pulse wave transfer velocity to attain a blood pressure value using an output from the pressure sensors, and an augmentation index calculating unit that estimates the blood pressure value by finding a time point of a reflective wave of the pulses using the outputs from the pressure sensors.

RET antenna with motor and clutch assembly that is operative to mechanically disengage the DC motor and drive unit (also called the gear-motor unit) from the phase shifter adjustment shaft during a manual tilt operation. Disengaging the gear-motor unit removes the drag of the motor and the high gear ratio gear box from the phase shifter control rod making it easier to manually turn the phase shifter control knob. In addition, the clutch disengages the gear-motor without disengaging the position detector from the phase shifter control rod so that position calibration is not lost during manual tilt adjustment. When the manual tilt operation is completed, the mechanical tilt clutch enables the gear-motor unit to be reliably re-engaged with the phase shifter control rod for motorized electrical tilt operation without having to re-calibrate the position detector.

A control valve assembly (43) for use in a system in which a pump-motor unit (35) can either receive drive torque from a drive-line (17) or transmit torque thereto. The system includes a high pressure accumulator (41) and the control valve assembly is disposed between the pump-motor unit and the accumulator, and includes a mode valve (45) normally biased closed by pressure in a control cavity (89), the fluid pressure in which is controlled by a pilot valve assembly (49) in response to an electrical signal (133). A step-orifice valve (47) associated with the mode valve poppet member (79) provides a relatively larger orifice (115) into the control cavity (89) when pressure therein is high, and a relatively smaller orifice (119) into the control cavity when pressure therein is low, i.e., when the pilot valve assembly (49) is open. Thus, a large volume of flow can occur from the accumulator to the unit (35) in a motoring mode, with a relatively low pressure drop, while the poppet member is able to have softer, relatively longer opening time, but a relatively faster closing time.

A motorized roller shade is provided. The motorized roller shade includes a shade tube in which a motor unit, a controller unit and a power supply unit are disposed. The controller unit includes a controller to control the motor. The power supply unit includes at least one bearing rotatably coupled to a support shaft. The motor unit includes at least one bearing, rotatably coupled to another support shaft, a DC gear motor and a counterbalancing device. The output shaft of the DC gear motor is coupled to the support shaft such that the output shaft and the support shaft do not rotate when the support shaft is attached to a mounting bracket.

The invention discloses a back bonding platform for a superchip. The back bonding platform comprises a substrate, a chip peeling and overturning unit, an X-Y direction movement unit, a multi-degree of freedom bonding head and a mounting platform unit, wherein the chip peeling and overturning unit is used for respectively peeling and overturning a chip on a wafer disk and sending the chip to a to-be-picked position; the multi-degree of freedom bonding head is arranged on a supporting guide rail of the X-Y direction movement unit in a cantilever mode, and has functions of automatically levelling and aligning; the mounting platform unit is used for adsorbing the substrate and matched with the bonding head, so that the chip and the substrate are mutually positioned. In addition, in order to ensure the high-precision movement or matching of units, a plurality of vision positioning systems are configured in the back bonding platform. The back bonding platform can reach micrometer-level alignment accuracy, has the parallel adjusting accuracy of higher than 0.01 degree, and has the advantages of compact structure, convenience for operation and the like, so that the back bonding platform is particularly suitable for back bonding of the superchip.

A hybrid electro-hydraulic drive system is provided for a vehicle and comprises a hydraulic transmission including a first hydraulic machine and at least one second hydraulic machine drivingly connected to drive wheels of the motor vehicle for driving thereof, an electric motor / generator operatively connected to the first hydraulic machine, and at least one energy storage device operable to store and release a hydraulic fluid energy or an electrical energy. The second hydraulic machine is a reversible hydraulic pump / motor unit capable to function both as a hydraulic pump and a hydraulic motor. The energy storage device is operatively connected to either the hydraulic transmission or the electric motor / generator. In a retarding mode the hydraulic transmission and / or the electric motor / generator retard the vehicle, while in a driving mode they supply a supplementary power to the drive wheels to assist propulsion of the vehicle.

In a motor unit as an example of the invention, a bearing assembly 5 is securely held on an inner circumferential portion of a hollow cylindrical section 11a of a first housing member 11 with an adhesive section 52 interposed therebetween. The adhesive section 52 includes: a first adhering subsection 52a in which an anaerobic adhesive is present and a second adhering subsection 52b in which an externally stimulated curing type adhesive cured by heating or ultraviolet irradiation is present. Inserting the bearing assembly 5 into the hollow cylindrical section 11a produces a temporarily fixed state by the first adhering subsection 52a, thereby enabling the external stimulated curing type adhesive to be stably cured in the temporarily fixed state.

A modular top drive system for construction of a wellbore includes a motor unit. The motor unit includes: a drive body; a drive motor having a stator connected to the drive body; a trolley for connecting the drive body to a rail of a drilling rig; and a drive ring torsionally connected to a rotor of the drive motor and having a latch profile for selectively connecting one of: a drilling unit, a casing unit, and a cementing unit to the motor unit.

A magnetic levitation motor including a stator having magnetic bearing units and a motor unit, and a rotor provided to the stator. And the occurrence of an eddy current at a magnetic bearing is suppressed and the rotation loss of the rotor can be reduced, and also to provide a pump using such the magnetic levitation motor.

A blender includes a container mounted removably on a housing for containing food items and provided with a cutting blade unit that is to be driven rotatably by a motor unit when the container is mounted on the housing. A control unit is operable in accordance with an initial control signal from a switch unit so as to activate the motor unit to operate in a judgment mode. The control unit determines food processing conditions in accordance with a motor rotation signal generated by a sensor unit for indicating a rotary speed of the motor unit when the motor unit is operated in the judgment mode. The control unit switches operation of the motor unit from the judgment mode to a food processing mode upon determining the food processing conditions so as to drive rotation of the cutting blade unit to blend the food items contained in the container.

An exercise unit (20) and system (104) comprising a target (22) having at least one area (24) to be stuck by a user and at least one sensor (26) located at the area (24) is disclosed. The sensor (26) generates an electrical signal in response to being struck by the user. A processor (48) is in operative communication with the sensor (26) and a musical instrument digital interface (MIDI) converter (50) is disposed between the sensor (26) and the processor (48). The MIDI converter (50) converts the electrical signal from the sensor (26) to a MIDI signal and transmits the MIDI signal to the processor (48) for generating a MIDI strike track (52). The MIDI strike track (52) is used to determine an accuracy and a force of the strike by the user to provide interaction and feedback to the user to continue to help motivate the user.

A dispensing system and method for dispensing material onto a substrate. The dispensing system includes a frame, a support, coupled to the frame, that supports the substrate at a dispensing position in the dispensing system, and a dispensing head, coupled to the frame, that dispenses the material onto the substrate. The dispensing head includes a motor unit having a first motor coupled to an output drive mechanism, and a dispensing unit, removably coupled to the motor unit, having a material outlet from which the dispensing material is dispensed, the dispensing unit having a dispensing mechanism coupled to the material outlet and coupled to the output drive mechanism of the motor unit such that operation of the first motor causes the dispensing mechanism to dispense material through the outlet. The dispensing head may be controlled for deposition of dots of material having diameters smaller than a dispensing needle of the dispensing unit.

An apparatus for cutting grass in a cut area delimited by a perimeter, the perimeter being defined by the presence of regions of grass surface, comprises a lawn-mower and a lawn-mower-recovery base, the lawn-mower comprising a motor unit, a cutting device, the lawn-mower-recovery base being disposed along the perimeter with an accessible aperture allowing the entry of the lawn-mower moving along it, the lawn-mower further comprising a proximity sensor able to detect the presence of a grass surface, a control unit associated with the sensor, the control unit being configured to detect the perimeter, the control unit being configured to determine a condition of alignment of the lawn-mower with the perimeter, the control unit being operatively connected to the motor unit to cause a displacement of the lawn-mower along the same perimeter, to operate the return of the lawn-mower into the lawn-mower-recovery base.

An electric derailleur has a motor unit having a derailleur motor with an output shaft, a position control mechanism and a controller. The output shaft is rotated through a moveable range including a first derailleur shift position and a second derailleur shift position. The position control mechanism is configured and arranged to provide a position signal indicative of an angular position of the output shaft. The controller detects a predetermined lockup position of the derailleur motor occurring at one of the first and second derailleur shift positions. The controller also sets a predetermined stop position for the derailleur motor that is calculated distance prior to the lockup position based on the position signal of the position control mechanism. Thus, the derailleur motor can be calibrated such that a new stop position is set that prevents an overcurrent from occurring in the motor.

The invention is a valve shut off device that is easy to install and remove. The valve shut off device has at least one sensor, a receiver a set of interchangeable adapters, and a motor unit. The motor unit is attached to a valve handle by an adapter, and the sensor can communicate to activate the motor. When the sensor detects a leaking substance, the motor unit is activated and turns the valve handle to the “off” position. The adapters allow easy installation and removal of the valve shut off device. Additionally, the adapters accommodate a variety of valves making the system universal. Among other things, the valve shut off device allows a property owner to be absent from his or her property without the risk of a leak causing extensive damage.

An overall fitness trainer and can be a wall mounted unit that can utilize clip resistance bands as well as other techniques. These bands generally clip on the unit and onto different handles, bars and attachments to perform exercises. The unit can have a removable / adjustable pull up bar, dip bar and seat. It also includes a spring loaded, pull pin carriage that moves freely up and down a vertical spine. This allows for easy adjustment of the carriage and allows the user to attach the bands at multiple angles, widths and levels. This in turn increases the number of exercises the user can perform on the unit. The unit can be attached to the wall with lag bolts into two or more studs. Various embodiments of the invention can have an oscillating and telescopic bench, a dip bar, a seat, a knee stabilizer and a foot rest. All of these accessories can be attached and removed to the central spine adding to the versatility and scope of exercises that can be performed. Accessories can also include a baseball bat handle, baseball, medicine ball, boxing gloves, football, squat belt, golf club handle, hockey stick handle, lacrosse stick handle and any other handle of any other sport unit.

A motorized bicycle front derailleur assembly is provided that includes a motor unit, a front derailleur and a motor linkage. The motor unit is configured to rotate an output shaft in first and second opposite rotational directions. The front derailleur includes a fixing body configured to be mounted to a bicycle frame, inner and outer links pivotally coupled to the fixing body at first and second pivot points, and a chain guide pivotally coupled to the inner and outer links to move between an inner shift position and an outer shift position. The first pivot point is located laterally closer to a center plane of the bicycle frame than the second pivot point. The motor linkage is operatively coupled to the output shaft of the motor unit and the inner link to move the chain guide between the inner and outer shift positions upon rotation of the output shaft.

The invention discloses a dispensing control system for the production of an RFID (radio frequency identification) tag. The system comprises an XYZ tri-axis movement unit, a needle cylinder unit, an image acquisition unit, a system control unit and an air course regulation unit, wherein key process parameters such as dispensing pressure and dispensing time can be controlled, and meanwhile, a dispensing position and the final shape and size of an adhesive drop can be regulated to meet process requirements by detecting the dispensing position before and after dispensing, the shape and size of the adhesive drop before and after curing, pressure and temperature in a needle cylinder, a dispensing height and the like and correspondingly executing closed loop control processing. According to the system, quality can be rapidly, accurately and comprehensively controlled in the whole packaging process of the RFID tag; in addition, the system has the characteristics of compact structure, convenience for control, high adaptability and the like so as to be suitable for high-quality production processes of various RFID tags.

The invention discloses a plane fuel tank inspecting robot based on a connector structure and a control method thereof. The robot comprises a moving platform, a lifting movement unit, a snake-arm movement unit, a system control unit and a power module. The robot is a bionic robot, can enter a plane fuel tank under the monitoring of working staffs to carry out internal-leaking-point determination and corrosion inspection, has excellent bending performance which does not exist in the traditional discrete type robot, can change the self shape flexibly according to the condition of environmental obstacles, and has unique adaptability to the environment with narrow working space and the non-structured environment. The robot can replace a person for operation in the fuel tank, the working intensity of air crew is reduced, the personal safety is ensured, the maintenance efficiency is increased, and the potential safety hazard of the fuel tank is reduced, therefore, the robot has the important significance in shortening the field stopping time of the plane and reducing economic loss. In addition, almost no electric equipment is arranged on the parts of the robot, extending into the plane fuel tank, so that the anti-explosion precondition is good.

A self-propelled swimming pool cleaner which randomly covers the bottom of the pool. Water pumped from the bottom of the unit filters dirt carried thereby, then uses the pumped water to propel the device either forward or backward. A pivoted front axle causes the path of the unit to vary when changing from forward to backward so that the unit randomly covers the entire pool bottom. Spring loaded doors may be provided to allow water to exit when the unit is lifted out of the pool. A sealed motor unit has a metal portion to transfer heat from the motor.