Association With Control/Drive Circuits TRIZ Cases

A heat-sink-mounted terminal block cuts axial size and relieves PCB and thermal stress in electric power steering motor control units.

A two-rigidity contact pin balances stable mounting with elastic deformation to reduce contact-zone wear under thermal and mechanical loads.

Capacitive high-pass filtering on shielded inverter-motor cables blocks low-frequency shield currents while shunting high-frequency noise to chassis.

Magnetic attraction and repulsion drive the injector actuator, replacing springs or motors to simplify structure, reduce size, and enable reuse.

A molded terminal block routes one refrigerant path beside two power wires to improve cooling, cut size and weight, and maintain insulation.

An inductor plus staged capacitors smooth drive voltage and clamp the neutral point to cut motor and pump noise near precision devices.

An integrated terminal block and refrigerant path improves stator cooling, removes trapped air, and keeps the rotary electric machine compact.

Dual airflow paths cool the control unit and motor separately, limiting overheating and sustaining high-output cutting work.

Closed-loop active commutation in an H-bridge module cuts clamp capacitor size while recovering energy and reducing dead time.

By overlapping the water pump with the cooling plate, this layout cuts pipe length, limits heat radiation, and improves heat recovery.

Stacked sealing lips keep cooling oil away from the rotor grounding path, enabling reliable voltage discharge and lower motor NVH.

By placing the oil cooler between axially spaced outer gears, this vehicle drive layout adds oil cooling without enlarging the unit.

Dynamic speed and torque control lets a portable generator meet changing loads, deliver 600 kW output, and cut fuel use versus fixed-speed operation.

Geared position feedback lets certified motor controllers run brushless motors with different pole counts without electronics recertification.

Independent half-cylinder converter housings keep an aircraft turbine shaft electrical module compact while limiting fault propagation and preserving redundancy.

A columnar terminal-block insertion with an elastic seal absorbs assembly mismatch while keeping motor-controller wiring compact and conductive.

A molded structure places power wires around one refrigerant flow path to cool heat-generating conductors while reducing motor package size.

Thermal barriers, insulation layers, and radial cooling fins let in-envelope motor drive electronics shed heat and avoid premature failure.

Through-plate copper pillars cut motor controller thickness, improve cold-plate cooling, and simplify terminal assembly with adjustable wiring.

Short-circuited inner hairpin leg portions raise resistance to balance current density, reducing proximity-effect copper loss and overheating.

Dual airflow paths cool the motor directly and through the control unit to prevent local overheating during high-output cutting.

Dual heat sinks on both sides of the circuit board improve motor-control cooling in tight space while supporting durability and redundant operation.

A flat inverter layout places power modules around a smoothing capacitor to shorten busbars, cut inductance, and improve heat dissipation.

A clamped conductive member grounds the stator core through insulating frames, improving EMC without cutting or weakening silicon steel sheets.

Independent inverters embedded in cooling-jacket cavities keep the machine below its temperature limit and allow continued operation after a failure.

Time-division switching lets one driver power multiple motors while suppressing force loss in non-powered motors to keep output stable.

An overmolded rotor integrates fan, magnet retention, and bearing support to keep brushless motors compact, lightweight, and easier to assemble.

A coil-pattern detection circuit tracks stepper motor current to suppress noise and abnormal heat in image forming apparatuses.

Placing the power converter inside the drone arm below the rotor uses downwash and arm conduction to prevent overheating and stabilize rotor speed.

An AC choke doubles as the current-sensor core to measure and attenuate common-mode bus current without adding mass or packaging volume.

Separating wireless control and antenna boards around dual motors cuts tool weight and height while reducing noise interference.

An outward-flow seal groove and adhesive sealant protect the motor casing gap from corrosive liquid adhesion and improve reliability.

A cover protrusion clamps the control board against a contact region, replacing screws to cut parts and assembly time in circuit-integrated motors.

Tap-based acceleration sensing replaces manual blower power switches, enabling hands-free airflow control with better sealing and durability.

Printed PCB coils around ferrite magnetic columns cut motor size and inductance while improving switching speed and power density.

Cooling-jacket recesses house independent segmented inverters to control heat, cut AC cable losses, and keep the machine running after inverter failure.

A housing groove separates the liquid gasket from the O-ring, reducing refrigerant leakage and O-ring deterioration at the motor-inverter joint.

A dual-transmission motor-generator layout adapts load power demand while redirecting surplus energy to recharge the power source.

Overlapping the inverter and output member cuts drive-unit height while linked coolant channels keep motor and inverter cooling compact.

Heat-sink positioning holes guide press-fit terminals without a separate alignment member, preventing buckling and cutting assembly steps.

Integrated elastic elements in the stator base absorb motor vibration, cut assembly steps, and improve fan stability and efficiency.

State-machine BLDC control uses Hall sensor feedback to smooth crossing gate motion, reducing wear on drive components and brakes.

By moving phase terminals into corner spaces between rotor and case, this motor layout cuts axial length and improves mounting flexibility.

A shared coolant circuit cools both the motor and controller with separate heat sinks, cutting external lines and saving assembly space.

A pedestal bonded around a tall PCB capacitor suppresses swing and lead stress, reducing vibration breakage in vehicle electronic units.

Dynamic switch reconfiguration lets a twelve-phase generator keep producing power through faults while adapting phase output to operating needs.

Parallel power modules and a stabilizing capacitor cut eddy current loss, raise heating rate, and reduce motor noise.

Opposed motors drive one pull rope reel to cancel exercise vibration, deliver adjustable resistance, and reduce motor load.

Shared cooling channels and a pump nested inside the motor rotor cut package size while improving thermal control, lubrication, and alignment.

Radial terminal placement between the rotor and stator replaces bulky busbars, shortening brushless motors and improving mounting flexibility.

Integrated heat sinks, thermal vias, and PCB thermal paths let a power tool switch module handle higher current while keeping temperatures below 120°C.

A segmented permanent-magnet rotor and orthogonal coils combine magnetic bearing, rotation, and linear motion in one compact motor.

Cooling fins and an insulation layer let a circular motor drive power plane fit inside the motor envelope while shielding control electronics from heat.

Molding compound secures the PCB and connector in a motor housing cover, removing screw joints and improving heat dissipation.

Series-parallel winding switching lets one rotary electric machine deliver low-speed torque and high-speed output with better efficiency.

A plastic flow-path member integrated with a metal plate cuts converter weight while preserving coolant flow and heat conduction.

Axial inverter stacking with annular power modules and bus bars cuts motor volume and weight while improving heat dissipation and power density.

Direct coil cooling through carrier-wheel channels shortens heat paths, improves coolant flow, and raises disc rotor machine power density.

Direct stator-to-PCB coil wire routing removes bus bars, shrinking pump size and simplifying electric pump assembly.

Battery storage and DC-DC conversion let a military vehicle drive and export power with the engine off, cutting noise during covert operation.

Divided air passages in an EPS control unit buffer internal pressure swings while raising airflow speed to improve heat dissipation.

A MOSFET-based motor power switch disconnects a vehicle fan during sleep mode to prevent overcurrent, short circuits, and fuse replacement.

A plastic-metal restraining component limits abnormal movable-part motion under impact, preserving focus stability and image quality.

Integrated motor-drive electronics, airflow holes, and a heat sink cut dust exposure and heat buildup in a brushless handheld power tool.

A modular wheel hub lets the battery unit and shaft detach separately, cutting repair time and maintenance complexity without opening the motor assembly.

Low-pressure insert casting locks the stator core lamination to the hub, preventing axial shift and improving bicycle pedal power generation.

Coil geometry, slot fill, cooling, and integrated electronics cut skin-effect and proximity losses in high-frequency electric machines.

Side-mounting the motor controller on the motor body cuts axial length, saves space, and makes load connection easier in an induced draft fan.

A soft-magnetic shield ring and nonmagnetic connectors raise leakage inductance to cut harmonics and rotor losses in high-speed motors.

A layered circular power plane uses radial fins and a thermal barrier to raise motor drive power density without overheating control electronics.

A bent motor terminal, bonded flexible board, and isolated sensor layout improve resistance to pull forces, vibration, and joint stress.

Pressure contact between the stator and a metallic cup improves motor-unit cooling while cutting resin use and overall e-bike weight.

Separated heat paths let integrated motor and control electronics cut cabling while managing high thermal and mechanical loads.

A dual oil-and-water flow path uses circumferential nozzles to eliminate stator cooling dead zones and sustain motor output.

Using two identical comb-claw yoke members cuts die cost and assembly complexity while preserving magnetic resistance and power generation.