Association With Control/Drive Circuits TRIZ Cases

A hand-held impact tool detects auxiliary handle attachment to adjust motor speed and operation mode.

Segmented concentrated windings allow independent phase current control, increasing magnetomotive force without expanding power electronics volume.

Segmented stator conductors receive independent current functions to reduce rotor losses and vibration while allowing dynamic pole pair adjustment.

A motor positions a coolant flow path to overlap with the inverter and voltage boosting circuit in the diameter direction.

Cover stepped portion contacts stator upper end to maintain axial position accuracy while preventing tubular deformation.

Power conversion device integrates overheat detection and heat spreaders on the stator side of a motor to prevent element fractures from temperature rises.

A hydraulic traction control assembly separates signal and power components into distinct units to reduce cabling complexity.

Annular semiconductor device reduces inductance via uniform magnetic flux, preventing overvoltage breakdown while maintaining fast switching speeds.

A reversible electromagnetic field actuates a track-based motor that converts linear reciprocating motion into rotational torque via a ratcheting lever system.

A yoke with an arcuate gap guides magnetic flux to a sensing device, reducing leakage and backlash errors that degrade rotational position accuracy.

A driver-integrated electric actuator uses an extended metal heat-conducting portion to move thermal energy away from the circuit.

An integrated machine monitoring unit harvests vibration energy to power sensors, preventing downtime through predictive maintenance.

A permanent magnet energy converter uses a spiral stator and magnetic coils to reverse polarity for rotor rotation.

Axially positioning the circuit board below the stator places electric elements between coils.

Mounting the sensor on the electronic card reduces magnetic disturbance sensitivity and eliminates additional shielding components.

Calibration determines correction values for sensor misplacement and winding asymmetries, minimizing current consumption under constant load.

Integrally formed cover and frame housing a stator structure to prevent water and dust ingress without adding costly protective layers.

An air bearing supports the bobbin to eliminate bearing wear during rapid lens repositioning in laser processing systems.

A power semiconductor module uses a spring-loaded connection element to maintain reliable electrical contact within the housing.

A geared motor relocates its position indicator to the gearbox input shaft, separating the sensing component from the electric motor rotor.

Integrating the controller onto the piston assembly eliminates separate power and signal cables, reducing cabling complexity and latency.

Segmented motor housing with multiple apertures enables flexible power input routing, resolving the trade-off between adaptability and device complexity.

Modular stator modules with laminated teeth and ferrite magnets reduce cogging torque and noise while lowering production costs.

Solenoid assemblies regulate coolant flow through housing apertures to manage thermal distribution in electric machine modules.

A detachable control unit housing connects motor terminals to circuit boards inside a protected enclosure.

Pre-configured unique identifiers enable secure wireless identification of individual drives, reducing reliance on specialized engineering expertise.

Dynamic coil activation eliminates anti-induction losses to boost specific power.

A cooling device circulates ambient air through an internal hose to extract heat from power electronic components via convection.

Integrating detection coils with motor windings resolves the contradiction between measurement precision and machine volume.

An insulated attachment member with a serpentine water channel cools the power conversion device, preventing temperature increases and sensor detection errors.

Axially overlapping motor and output terminals enable laser welding for compact electric drive assemblies.

A resin holding member secures connection and power supply terminals via a specific press-fitting mechanism.

A double-rotor machine uses stator flux to induce rotor current for torque generation.

Optimizing brushless motor pole count relative to stator diameter enables compact, lightweight designs.

A stator design mounts a temperature sensor on a resilient element to maintain consistent contact with coil windings.

Radial switching elements on a PCB reduce inverter volume while thermal fins dissipate heat from the integrated assembly.

An elastic mechanism retracts the screen using stored energy while electromagnetic damping controls speed, eliminating electric brakes.

Integrated conductive plate reduces device complexity by grounding rotor shaft to eliminate shaft voltage damage.

A portable wireless diagnostic device retrieves operating data from electric motors using near-field communication interfaces.

Merging the control module into the gearbox housing reduces device volume and manufacturing cost while maintaining reliable electrical connections.

A motor connector housing inserts into base grooves through a unified sealing member to restrict vibration.

A follow focus wheel motor control strategy adjusts electromagnetic torque to simulate operation sensations.

Stacked wiring substrates reduce planar space usage while maintaining functional integration of semiconductor devices in motor driving systems.

Flanged grommet design enables secure positioning between stator core and end frame.

Segmented fixation using a heat sink pressing portion eliminates precise dimension control requirements while maintaining strong stator retention force.

Axial fan motor uses an air gap between the stator core and sleeve to isolate vibrations.

Relocating through holes to an air guide cover eliminates size constraints from adjacent ribs, improving heat dissipation efficiency while simplifying assembly.

An intermediate insulating part combines a hard support with a soft sealing component to secure heat-generating elements against cooling surfaces.

Refrigerant liquid flows through a pipe inside the housing to cool the inverter and lubricating oil, reducing machine size.