Association With Control/Drive Circuits TRIZ Cases

Integrating sensing coils on a multilayer PCB eliminates expensive Hall sensors, reducing device complexity while maintaining rotor position detection.

Segmented drive modules reduce transverse footprint to fit rear axles while maintaining insulation protection.

A magnetic shield plate blocks inverter noise to protect the rotation sensor.

A centrifugal blower circulates air across permanent magnets to remove thermal energy from the rotor of a sealed electric machine.

Integrated surge suppression section merges resistors and capacitors into motor wiring members to suppress overvoltage.

An electric linear motor and force limiter enable precise actuation, resolving contradictions between testing duration and component integrity.

A brushless motor uses nested winding extensions and potting material to seal gaps between the stator core and circuit device connections.

Integrating winding contacts and bridges into a single ring-shaped unit reduces part variety and manufacturing complexity in electric motor stators.

A generator stator carrier mounts a communication device alongside the generator coil to enable direct data transmission.

A detection unit uses a controller to compare redundant sensor outputs and identify normal signals.

An iron core coil assembly mounted on a printed circuit board reduces magnetic leakage losses and eddy-current losses.

Absorbent pad intercepts discharged electrolyte to prevent ground faults and protect adjacent components.

A vehicle air deflector drive unit integrates a temperature sensor with its control electronics to enable adaptive motor operation.

A ventricular assist device motor repositions the control circuit board to the stator periphery to minimize axial thickness.

Electronic switching segments the armature to simplify variable frequency control, eliminating mechanical wear while maintaining perpendicular magnetic fields.

A drive unit power supply ground line routes stray capacitance noise back to the power supply via the substrate and connector.

A four-pole wiper motor reduces inertia by thinning the yoke, enabling precise bidirectional control via an absolute position sensor.

An integrated electrical motor merges two rotor-stator sets on a shared shaft to distribute torque across controllers.

A motor vehicle fluid pump uses an intermediate board to separate power and signal electronics.

An isolation relay electrically disconnects the park disk from power during motor operation to suppress electromagnetic interference emissions.

An energy transfer circuit captures motor deceleration energy and routes it to the primary power supply.

Rotating blades on cooling pillars drive forced convection to overcome uneven natural convection and bulky fan constraints in vehicle electronics.

A segmented terminal housing uses metal and plastic components to manage heat dissipation in electric motors.

A terminal holder secures electrical connections between a motor case and a detachable controller case.

Overlapping element-side and capacitor-side electrode conductors reduce floating inductance, enhancing electrical insulation and bonding efficiency.

Plug-in connectors join motor leads to control unit substrates without soldering, enabling non-destructive disassembly and reducing production costs.

An integrated flange merges heat exchanger mounting with coolant routing, eliminating external lines to reduce assembly complexity.

Placing a thermistor on a heat sink secondary strut enables accurate current limiting to prevent drive circuit overheating without adding multiple sensors.

Axial heat sink placement in plastic upper housing reduces radial width and simplifies assembly.

Eliminating intermediate terminals via direct winding connection reduces manufacturing costs while maintaining electrical reliability.

A segmented electric device structure uses dedicated spaces between insulation zones to enable air circulation and convective cooling.

Output shaft separates electric power conversion device from rotary machine to enable compact refrigerant cooling.

A power interconnecting part with independent electrical terminals and nested concentric traces distributes energy to electronic modules in rotating machines.

A pump power unit uses a radial electronics housing opening to dissipate waste heat, avoiding stator interference and operator burn risks.

Integrates a printed circuit board and heat sink within a thermally conductive polymeric housing to create a unified structural enclosure.

A motor drive housing aligns screw holes circumferentially to couple the frame, heat sink, and cover on a single plane intersecting the rotation axis.

Segmented cage windings enable independent current control to overcome radial force limitations caused by rotor saliency.

A control system offsets pulse width modulation counter values across independent sub-motors to minimize DC link capacitance.

Inclined sealing surfaces and front wall grooves discharge water from electric machine casings, preventing resin erosion and maintaining long-term reliability.

Mounting the driver between the flange and reservoir minimizes voltage drop from long wires while epoxy sealing protects against vibrations.

Sealed thermal interfaces shield heat conduction paths from environmental contamination while maintaining IP66 ingress protection for the drive module.

An intermediary shielding layer conducts heat from high-voltage control regions to the heatsink, resolving thermal resistance issues that impair reliability.

A centrifugal fan drives cooling airflow through radial and axial ventilation channels to dissipate heat from inverter units.

Segmenting the high-speed motor from the torque-output gearbox resolves the contradiction between power consumption and cutting efficiency.

Integrating a GMR position detection sensor into the motor cover structure of an electric power steering system.

Concentrating pads in an arc reduces board area and electromagnetic interference while improving thermal cooling.

A rotating electric machine drive unit positions a power control unit to overlap with the machine housing in the radial direction.

Variable cooling fan power prevents generator derating by managing magnet temperature differences against end windings at low torque.