Association With Control/Drive Circuits TRIZ Cases

A tubular magnetic shielding member surrounds a permanent magnet to isolate circuit components from interference.

A processor-controlled dual power supply system adjusts fan motor voltage via field effect transistors for variable speed operation.

Segmented heat sink surfaces maintain insulation gaps to prevent short circuits while enabling effective heat dissipation.

Segmented busbar notches guide conducting wires to resolve positioning complexity and ensure reliable electrical connections.

A motor device incorporates a magnetic shielding wall around the power source filter to block leakage flux and maintain rotational angle detection precision.

An induced draft fan controller uses a Hall sensor and magnetic ring to detect motor rotational speed for precise electronic regulation.

Integrating the rotation detection device within the speed reduction mechanism case eliminates complex external wiring routes and reduces assembly labor.

Integrated connection housing with radial panels and centrifugal fans dissipates heat from compact motor controllers without adding complex separate radiators.

An outer-mounted electronics layout in a fan housing reduces axial installation space while enabling easy component replacement.

A motor drive unit positions condensers beneath the power PCB to surround a reduced heat sink area.

A camera module actuator detects magnet position via coil inductance changes to enable precise lens movement.

Nested barrier elements isolate connector substrates from thermal crosstalk and vibrations, resolving reliability complexity trade-offs.

A motor converter uses a spring-pressed copper plate to transfer heat directly to the fan cowl for efficient thermal management.

A flow-directing endshield channels fluid from a blower to cool a motor controller, reducing heat buildup without adding separate cooling components.

Segmented sub-motors with redundant interfaces reduce thermal losses while maintaining reliable torque distribution.

Nesting the primary molded body inside the connector portion prevents moisture infiltration while maintaining assembly access.

Segmenting the control electronics and sensor housing from the potting compound allows targeted repairs without replacing the entire motor.

Independent processors in each actuator prevent single-point failures while unique RF pairing protocols enable safe expansion of the control system.

Planar toroidal circuit boards circulate fluid through a central opening to cool power electronic components directly.

A pump motor air-gap shroud uses indentations and thermal vias to expand heat transfer surface area.

Four-pole magnet wiper motor design with dedicated heat sinks for brushes and FETs.

Integrating a filter module with a bus bar, coil, and capacitor near the power supply connector reduces wiring length and improves assembly workability.

Segmented Faraday cages isolate interference sources from sensitive components in power converters.

A watertight lid with a breathable membrane covers the rotating shaft hole in an electric drive motor housing to enable heat dissipation.

Segmented housing replaces costly casting with a removable grille that protects the printed circuit board while enabling airflow.

Segmented stator teeth and independent coil windings allow field repair of electric motors, reducing maintenance complexity and cost.

An insulating through hole increases electrical distance between frame ground and low voltage circuits on a control board.

A rotating electric machine system integrates a power conversion apparatus within the casing to share cooling flow paths.

Relocating the controller axially reduces radial eccentricity and suppresses stator core deformation caused by electromagnetic forces.

A DC motor plug connection uses a dedicated contact support to secure electrical interfaces, preventing mechanical stress damage under extreme loads.

A spiral helix linear pulse motor reduces thermal loads and mass by transitioning from radial to planar magnetic field arrangements.

Plastic press blocks isolate motor controller chips from metal pressure, preventing deformation and voltage breakdown during short circuits.

A master AC linear motor set uses phase current difference feedback to synchronize multiple identical motors into a single high-power unit.

Segmented bus bars with resin holders prevent corrosion and enhance electrical connection reliability in brushless motors.

Annular trapezoidal module arrangement separates connection workspaces to reduce wiring length and minimize parasitic inductance.

A starter thermal protection system uses a low-melting-point weld to disconnect the electrical path upon overheating.

A tab sleeve on a printed circuit board engages a flat plug on an electric motor to create a solder-free electrical connection.

Segmented resin members protect coils from contaminants while keeping tooth ends close to the rotor magnet.

Axial cooling tower with internal ribs reduces component temperatures in electric machines by maximizing convective heat transfer.

A motor module integrates signal circuits and motor windings directly onto a printed circuit board to reduce component count.

Segmented air guides direct flow from a rotating fan to cool the stator bushing and electronics housing, resolving mounting wall airflow blockage.

An axial flux electrical machine integrates cooling fins and a duct into its housing to dissipate heat from the controller.

Radial and concentric ribs on the resin lower casing increase stiffness to restrain vibration while reducing weight.

Axially integrated steering control unit reduces radial dimensions by nesting components, enabling compact vehicle mounting without increasing axial length.

A rail vehicle drive system uses kinetic energy to operate a cooling apparatus for traction motors and current converters.

Integrated shift-by-wire actuator merges controller inside housing to sense output shaft position via encoder magnet.

A rotary actuator bus bar uses a curved board-side arm to electrically connect the stator coil to the control board.