Association With Control/Drive Circuits TRIZ Cases

A fan fixing member with a regulating hook secures the motor drive cooling unit, reducing maintenance time and wiring errors in harsh environments.

A brushless DC motor uses antiparallel permanent magnets and wire coils to generate rotational force without physical brushes.

Segmented terminals with low-rigidity portions reduce electrical resistance and absorb thermal expansion stress in motor device substrate connections.

Integrated rotor sensors detect temperature and vibration errors to prevent motor breakdowns.

Universal microcontroller replaces dedicated circuits to manage torque, temperature, and overload protection while preventing unintended startup.

Integrates switching devices and lead frames into a molded power module composite adhered to a heat sink via insulating material.

Integrated stator teeth flux modulation reduces torque ripple and device complexity in solid iron Vernier external rotor machines.

An LC filter and segmented pulse sequence minimize terminal overvoltages and leakage currents without resistive energy dissipation.

Hall-effect sensors on the PCB detect mode positions without physical contact, reducing internal wiring complexity and vibration vulnerability.

Segmented die clamping prevents excessive deformation of laminated iron core, maintaining geometric precision and minimizing resin leakage.

An asymmetric tapered busbar boosts geometrical moment of inertia for vibration resistance while an arc-shaped design reduces radial size and inductance.

A grounded metal member shields magnetic detection elements on circuit boards to enhance electrostatic discharge strength.

Asymmetric permanent magnet and electromagnet arrangement reduces detent torque in motor generators, improving startup smoothness.

Separate primary and secondary cooling paths reduce thermal conduction resistance, lowering device temperatures in high-power electric machines.

A slotless stator design reduces magnetic attraction between rotor and stator to enable axial displacement.

A segmented metal heat sink employs an upward wall barrier to stop thermal paste from contacting the rotating shaft, maintaining reliable rotation.

A downhole power generator harnesses fluid flow kinetic energy to induce electric current via electromagnetic induction.

Metal shield plate blocks electromagnetic noise between control circuit and heat sink, suppressing interference without increasing device volume.

An elastic closing element seals an access hole in a rotary electric machine, enabling maintenance without compromising isolation from dust and humidity.

A rotary actuator rearranges its speed-reducing mechanism to eliminate curved gears and reduce axial length.

A reversible fan wheel generates bidirectional airflow through a heat sink to cool electric motor components using a dedicated battery.

A self-cooling motor drives radial airflow via an impeller to dissipate stator heat, preventing high temperature damage in food heat-treatment equipment.

An integrated driving module mounts an air conditioning compressor and power conversion devices on a common case to minimize part count and assembly complexity.

A stepped heat radiation member reduces controller thickness while maintaining heat exchange efficiency through varying gap distances.

Integrating driving circuit terminals directly onto motor busbars eliminates separate connecting members, reducing component count and axial length.

Hollow barrels with connecting portions assemble integrally to boost production capacity.

Segmented plug-type connectors enable quick electronics housing removal for maintenance while preventing moisture ingress through integrated seals.

Integrating a filter pickup and suction tube into the housing wall maintains ground clearance while reducing part count by eliminating external fittings.

Segmented inline stator coils switch modes to manage varying load demands while increasing power density.

An integrated water-cooled motor and driver apparatus merges cooling circuits into a single shared flow channel to dissipate heat from both assemblies.

A dual inverter unit drives a common rotor using separate phase wires and batteries, reducing wiring complexity while maintaining operational reliability.

Grounding conductive member reduces shaft voltage and prevents bearing electrocorrosion in axial air gap rotating electric machines.

A saddle-type electric vehicle motor uses a water jacket positioned opposite the reduction gear to cool the stator.

Segmented converter housing and adapter unit compensate for motor housing tolerance variations via floating circuit carriers.

A linear motion device uses a heat transfer body to dissipate heat from the mover.