Association With Control/Drive Circuits TRIZ Cases

A power tool controller detects secondary battery type by measuring voltage changes across existing connection terminals without adding dedicated identification hardware.

Stacked PCB layers connected by flexible circuits reduce servo volume while maintaining control functionality.

Axial connectors route sinusoidal currents through the motor portion to an end portion connector.

Stacking a ring-shaped inverter casing on the stator creates a shared coolant path that resolves size versus cooling trade-offs.

Radial magnetic flux detection provides stable signal readings immune to axial clearances and heat dilation, enabling precise brushless motor synchronization.

A motor heat sink holds a connector between radial arms while a cover joint portion surrounds the controller.

A drive device uses a planetary gear with three input planes to transmit power from two motors to an output shaft.

A projecting lug on an electronics housing supports a detachable plug connection device for flexible electrical interfacing.

A motor drive system calculates an average signal across multiple Hall elements to remove external magnetic field offsets from individual phase outputs.

A motor-driven roller uses a bus interface to transmit real-time operational data between internal and external control circuits.

Segmented stator groups connected to dedicated energy transformers eliminate switch losses and enable higher drive power for amusement park vehicles.

Merged housing eliminates separate fittings, reducing pressure loss while maintaining reliable sealing under vibration.

Segmenting stator conductors into two sets with shared short-circuit paths reduces half-bridge complexity while maintaining rotating field quality.

Adjacent motor relay arrangement directs thermal energy to the connector, eliminating separate heat sinks and reducing control unit weight.

An air duct channels ventilation air along a condensation surface to dry the flow before it enters the electronics receiving space.

Polymer bearings with felt-applied lubricant reduce wear and noise on linear motor conveyors without tight manufacturing tolerances.

Double injection molding integrates sealing members with the inverter body, resolving assembly complexity and boosting worker productivity.

Segmenting electrical and mechanical couplings resolves vibration and stiffness trade-offs in hybrid drive units.

Segmented aluminum case with dedicated seal groove prevents water intrusion and deformation in electric power steering systems.

A wavelength selective heat radiating member converts thermal energy into penetrating radiation to dissipate heat from electronic components.

A compliant spacer absorbs torsional forces from fastener torque to maintain thermal contact between field-effect transistors and heat sinks.

A printed circuit board design incorporates a copper foil heat radiation pattern and a thermistor element to manage thermal loads in motor drive systems.

Concentric ribs form mounting spaces for supply busbars in vehicle electric drive terminal devices.

Polymeric encapsulation protects temperature-sensitive electronic devices within a brushless DC motor housing.

A cooling fan draws air through an inlet port to cool a series of components including a drive block and heatsink in an electric tool housing.

Integrating the heat exchanger within the lower drive unit housing eliminates raw water pumps and external hoses, reducing hydrodynamic drag.

A drive device combines Hall element sensors and shunt resistors for phase current detection.

Separating inverter and filter circuits via dedicated busbars reduces electromagnetic noise while simplifying assembly.

Combining active and passive magnetic bearings resolves rigidity limits, enabling stable operation above 200,000 min−1.

A rotating electrical machine system integrates a cooler between the semiconductor module and stator to circulate coolant through internal paths.

A meander-shaped spring steel contact bridge connects the stator to ground potential in rotary electric machines.

Stator-mounted magnetization sensors estimate permanent magnet levels to schedule maintenance based on actual degradation rather than fixed intervals.

Plastic seals replace brittle glass bushings to prevent fuel vapor leaks and reduce thermal stress on pump electronics.

Laser welding joins insulating elements to a plastic motor housing, decoupling noise and absorbing thermal expansion stresses.

A vehicle inverter uses stacked power modules and coolers for efficient heat transfer.

An external rotor motor pairs with a thermally conductive carrier body to dissipate heat from the electronic converter.

Axial brushless DC motor employs coil phase circuit switching to achieve fractional and micro steps, doubling resolution while reducing mechanical resonances.

A power electronic converter manages magnetic forces in linear electric machines using dedicated windings.

Segmented pedestals on a cooling tower mount power modules to maximize airflow and conductive heat transfer.

Axial ribs create segmented flow channels that redirect airflow while intercepting solid debris, preventing duct clogging in outdoor electric motors.

A motor brake mechanism uses a controller to switch between braked and released states via electromagnetic meshing parts.

A motor driving apparatus integrates four magnetic sensors to detect rotor poles and control speed.

Axial power supply integration minimizes insulation requirements and conductor cross-sections in compact electric drive systems.

A control device estimates motor direction and speed using virtual sensors derived from reduced Hall effect sensor data.

A level shifter uses a slew detector to monitor voltage source changes and trigger additional bias current.

A brushless gear motor positions stator coils above the output wheel to minimize height while maintaining torque multiplication.

Segmented housing enables radial airflow over electronic components, resolving heat dissipation limits in sealed environments.

Relocating the electrical connector axially adjacent to the motor housing minimizes radial protrusion and simplifies assembly within the outer contour.