Association With Control/Drive Circuits TRIZ Cases

PCB layout places high-current motor drive parts in the impeller airflow and separates signal and power lines to cut heat buildup and EMI noise.

See how touch-sensitive detection replaces gear selectors to enable continuous speed variation

See how axially aligned openings in a hollow support body enable dual-path airflow to cool perm

See how rigid conductive connectors replace printed circuit boards and multiple wires in cordle

See how integrating wireless communication into the motor management device eliminates external

See how universal interface modules in an ECM motor controller enable cross-compatible communic

Air guided between inner and outer housings absorbs stator and rotor heat through dissipation vanes, improving cooling without complex contact structures.

See how separating power supply and inverter modules with wireless communication reduces motor

See how notch portions in a capacitor board terminal create a curved section that absorbs vibra

See how magnetic field sensors and movable magnets enable in-situ HVAC actuator setting adjustm

See how a universal control board enables PSC motor replacement of failed ECMs by translating p

See how aligning IC pin and wire lead-out directions on footprints suppresses reflow misalignme

An off-zero Hall IC position gives a low-cost control IC the phase reference needed to stabilize motor rotation and driven loads.

See how an EC fan motor uses switch signals and a controller to adjust speed and direction with

See how optimized slot-to-pole ratios and dynamic control reduce torque ripple from 60% to unde

See how a segmented junction box with side-mounted electric connectors eliminates conductive co

See how a concentric motor assembly merges impeller, rotor, and facing stators to reduce vacuum

See how a modular drive assembly uses snap-fit engagement to eliminate screws, enabling single-

See how concentric nesting of impeller and rotor within a shared motor housing reduces vacuum c

See how non-magnetic spacers position independent stator cores without molded bridges, preventi

See how a door-integrated screw and lever system elevates refrigerator drawers while concealing

See how dual-thermocouple temperature detection enables ECM motor speed regulation without spec

See how axial groove portions on a resin magnet enable thermoplastic integral molding, reducing

See how a fan motor with insert-molded rotor, single oilless bearing, and sealing element reduc

See how separating the tubular motor from the power and control modules reduces signal interfer

See how separate ground patterns on an annular substrate prevent heat transmission from power s

See how a damping unit near the choke coil lowers filter Q value to reduce normal mode noise wi

See how dynamic adjustment of armature voltage and support current maintains radial support for

See how a plate-like heat transfer member between reactor and partition plate reduces thermal r

See how a screw-lever elevation mechanism in the door panel lifts heavy drawer bins without ecc

See how integrated air channels direct fan-driven airflow through control electronics and stato

See how mounting the inverter IC and high-voltage wiring on the stator side reduces mold resin

See how resin integration merges the heat sink with the stator assembly to shorten thermal path

See how a separate auxiliary bearing and stator fixing member maintain rotor-stator coaxiality

See how a partition member with terminal holders and guide grooves enables secure electrical co

See how a segmented case with partition member and support posts protects the circuit board fro

See how analog position sensors spaced 120° apart detect variable-magnet flux continuously, ena

See how a ferrite rotor with sinusoidal commutation replaces rare-earth magnets to cut noise an

See how proportionally limited close command override and stator winding set points regulate mo

See how strategically placed slits in rotor core outer circumferential portions distribute magn

See how a three-portion stator core with orthogonal plate stacking enhances stiffness to reduce

See how separating drive control from application control using an external card enables motor

See how a metallic cover element shields control electronics from motor EMI, improves heat tran

A tap-detection ECM motor adapts to 24 V and 115/230 V HVAC wiring, replacing PSC or ECM motors with simpler installation.

Partitioned motor memory lets external controllers and tools store and retrieve data while protecting internal operational data.

A restricted mount redirects outlet flow back through the compressor to cool motor components while cutting casing size and flow losses.

A switchable EC fan motor adjusts speed and direction to improve evaporator airflow, cut energy waste, and protect refrigeration components.

A grounded metal shield inside the circuit housing blocks noise on the communication lead, reducing interference with external control devices.

A radial wire adapter aligns brushless motor phase leads to PCB contacts, cutting manual bundling and enabling more reliable automated assembly.

A 3D stack of annular cold plates integrates support and coolant flow to cut motor drive weight while improving thermal uniformity.

Direct shaft-connected sensing and a compact cooling layout remove separate sensors and connectors, saving space and lowering manufacturing cost.

Facing earth and ground layers with thermal vias move heat from dense ECU boards into the metal housing, improving dissipation without enlarging the device.

A housing cavity cooling channel cools the stator and external power supply together, cutting parts, space, and assembly complexity.

Matched permanent magnet motors with a fixed phase offset cancel cogging torque and torque ripple for smoother low-speed steer-by-wire output.

A stator-rotor ball screw layout removes brushed motors and planetary gears to improve real-time control, thrust balance, and reliability.

Connection members join two circuit boards without notching, preserving mounting area while keeping the electronic control unit compact.

A direct-drive loom shedding motor concentrates rotor mass near the axis to cut inertia, avoid gearbox losses, and deliver high torque.

A rotary stepless adjusting member lets the control board vary motor power continuously, giving fans freely adjustable wind speed.

Separate base and terminal units let motor-inverter terminal blocks be redesigned independently, cutting redesign effort and assembly time.

Mounting filter and smoothing capacitors on the connector base frees PCB area, cuts inductance, and shrinks redundant control units.

Hall-sensor BLDC control and a detachable motor-gear housing cut seat actuator noise and vibration while enabling precise speed and torque control.

A remote battery receptacle and cable-fed adapter isolate the battery from motor housing vibration while preserving detachable power supply.

Discrete motor clamps replace interference fit in an electric compressor to preserve stator geometry, cut noise, and improve efficiency.

Direct PCB connector coupling with guide and fixing members simplifies motor drive assembly while keeping board connections stable under vibration and shock.

A welded conduction terminal with a bent contact and positioning ribs keeps stator-core grounding stable under vibration and reduces noise.

EEPROM-based speed, torque, and current storage keeps precision data with the resistance module while moving the controller outside heat.

Power-line voltage and frequency sensing replaces separate motor safety monitors, cutting installation complexity while detecting speed and status.

Blocking bracket gaps with insulator-based vortex suppression cuts airflow loss and noise while preserving compact dual-bearing support.

A radial capacitor layout avoids axial overlap with power switching elements, enabling larger smoothing capacitance in a compact vehicle drive.

By moving the coil off the swinging body and facing it to a pendulum magnet, this case reduces wiring coupling stress and image shake.

Excess energy on the excitation winding is absorbed during faults while monitored power thresholds trigger alarms and automatic supply adjustment.

Directly cooling rotor rectifier components in the rotor fluid path cuts thermal resistance, enabling higher field current and power density.

A slide-in board accommodation member lets the control PCB be replaced near the motor with less disassembly while limiting heat transfer.

A three-phase fan drive circuit boosts airflow in compact portable fans while current and temperature detection prevent overheating and failure.

Pre-looping the belt on an offset router base enables faster motor unit insertion, easier removal, and airflow cooling in tight spaces.

A press-fit metallic cup draws heat from the stator to open air, improving e-bike motor cooling while reducing weight, vibration, and noise.

Integrated GaN switches and gate drivers cut motor drive energy loss, heat generation, and audible noise in power tools.

Integrated GaN FETs and gate drivers cut motor-drive losses, heat, and audible noise in power tools while enabling higher-frequency switching.

Polarized OIS magnets, matched coils, and a shield can cut flux leakage, limit EMI on nearby parts, and keep the camera module thin.

A 54V battery pack with at least 15 low-impedance cells enables a cordless brushless tool to deliver 3000-5000 W for heavy-duty use.

A segmented housing, sealing-filled through-duct, and cap protect welded motor connections from moisture while preserving leak-tight assembly.

Elastic stator holding and vibration welding simplify electric water pump assembly while cutting cost, heat transfer, and iron loss.

Elastomer sealing sleeves let conductive compressor motor feedthroughs stay hermetic and insulated while cutting glass-to-metal cost and loss.

An inner-hole cooling tube and annular shaft channel improve rotor, stator, and controller heat removal in compact electric drives.

Sequential battery pack switching extends runtime in electric gas engine replacements while maintaining motor output without emissions.

A separate coolant circuit cools the motor and inverter without heating the working medium, preserving density and compressor cooling capacity.

A U-shaped PCB terminal and heat-conducting tape improve blower motor contact stability, insulation, and heat dissipation under vibration.

An isolated class-II power supply and motor controller replace grounded frequency converters, enabling safe portable lubrication without earth.

Modular dual-power modules and AC busbars balance current, cut EMI, and support high-power three-phase and six-phase motor drives.

A coaxial motor-reducer layout with planetary gears and easy-connect bus bars cuts packaging space while keeping high-output e-mobility drives robust.

Stage-switched dual inverters vary coil phase and winding pitch to offset harmonics, cut common mode current, and balance motor output with efficiency.

A composite drive unit cover damps drivetrain vibration while adding thermal pathways and EMI shielding for quieter, cooler power electronics.

Dual refrigerant flow paths cool the inverter power module more evenly in compact integrated motors with high heat density.

A metallic cup pressed against the stator improves e-bike motor heat conduction while reducing resin use, weight, and vibration.

A separate bearing frame simplifies compact motor assembly while maintaining coaxial rotor support, stability, heat dissipation, and lower noise.

A plug-in wire-to-board connector cuts installation height between the motor and frequency converter while keeping assembly reliable in dense layouts.

An integrated motor, controller, magnet, and encoder simplify linear motion control in tight spaces while maintaining precise carriage positioning.

An inverter built into the motor cover uses through-hole lead routing and cooling contact to save vehicle space and stabilize motor power connections.

Integrated gaskets on one non-drive end housing simplify EV motor assembly while improving sealing and reducing mechanical stress.

Tortuous motor terminal connectors in guided holder channels improve repairability while decoupling handling and vibration forces from the PCBA.

Integrated flange, recess, and ledge gaskets improve electric machine sealing while simplifying assembly and reducing mechanical stress.

Asymmetric conductor winding paired with tuned magnetic pole angles cuts torque ripple and circulating current in slotless rotating machines.

A fan inside the motor housing cools the terminal box and rotor-stator assembly through inlet apertures, cutting bulk and noise.

A coil-magnet rotary image sensor assembly compensates camera shake with stable axial fastening and a simpler anti-shake structure.

Differential signaling from a motor-end sensor board preserves rotor angle data over long harnesses when the controller must be mounted away from the motor.

A housing-integrated ground ring diverts shaft-induced current away from bearings, enabling compact motor position sensing with higher reliability.

A solder coating and higher-melting thermoplastic resin enable screwless substrate encapsulation, reducing component size and assembly steps.

By routing stator coil ends within the wound portion's axial range, this aircraft motor cuts axial width without complicating coil formation.

By placing the inverter around the stator outer periphery, this case cuts axial size, shortens lead wires, and improves cooling and inductance balance.

A central smoothing capacitor surrounded by power modules shortens busbars, cutting inductance, copper loss, noise, and EMI in EV drive units.

A rigid-flex busbar with a sleeve and sealing ring preserves hermetic separation between electrical machine and inverter compartments.

A conductive post with insulated terminals replaces twisted wires in a gimbal rotating module, enabling unrestricted motor rotation without short circuits.

Direct coil cooling through carrier-wheel channels improves heat transfer in disc rotor stators, raising power density and easing manufacture.

Using Joule heat from the motor without rotor motion, the actuator starts in extreme cold without added heaters, extra size, or cost.

A replaceable motor cover adjusts cavity size for different motor powers, keeping one main housing and reducing housing variants and cost.

Magnetically permeable rolling elements modulate a static field to induce coil voltage, powering sensors without cables or frequent battery replacement.

Bonding wires link sensing and fault-out pins across driver ICs to bypass MCU delay and shut down motor power switches faster.

A motor-housing cooling jacket lets one dielectric fluid circuit cool both the pump motor and fuel cell stacks without direct motor contact.

A non-contact magnet and coil swing a pendulum for stronger vibration output while avoiding buffer contact noise and stroke limits.

Separating signal paths from power paths on the motor control board suppresses magnetic noise and improves sensor signal accuracy.

A Hall element plus phase-voltage comparison enables precise offset and delay calculation for reliable motor rotation detection during idling.

Rectangular laser beams that are wide in one plane and narrow in another improve vertical angle accuracy and weather-robust LIDAR detection.

Conductive protrusions and matching cut-outs create a grounded housing interface that cuts EMI and simplifies drive assembly.

Separated oil passages eject cooling oil toward power lines and bus bars to improve terminal block heat release in a compact vehicle drive unit.

A coolant flow path and sensor placement inside the motor housing improve current sensor cooling while keeping the inverter-integrated motor compact.

A conductive sliding contact grounds the rotor shaft through a shielding plate, forming a Faraday cage that suppresses motor EMI radiation.

By placing winding connections inside the coil and rerouting motor terminals, this case cuts radial size while preserving low-cost nozzle winding.

Nested sealing members in the motor connector housing block water paths between motor and inverter casings while preserving reliable electrical connection.

Low-temperature battery packs are self-heated by reusing motor windings and IGBT bridge arms, avoiding separate PTC heaters and extra parts.

A separated stator and control housing uses thermal links and a heat-conducting layer to prevent control-unit overheating in compact maglev designs.

A flooded-cavity direct-drive thruster uses water cooling and protected windings to cut seals, maintenance, size, and depth limits.

A modular battery motor unit uses multi-position battery coupling and matched hole patterns to simplify mounting, cut weight, and extend runtime.

Expanding pipeline gas drives a generator, while its cooling effect is reused in a heat exchanger to recover energy and cut CO2 emissions.

A temperature sensor placed between adjacent stator coil bends improves hot-spot detection while resin coupling supports heat transfer and integration.

Using Hall sensors and two inline shunts, sFOC improves brushless power tool motor torque control, current sensing, and overcurrent protection.

Continuous speed input lets an MCU vary motor power smoothly, overcoming fixed fan speed limits and improving airflow control.

A protruding armature winding improves stator-module splicing accuracy, helping conveyor movers maintain precise positioning at joints.

Controller-set brake timing uses motor electrical parameters to avoid freewheeling voltage spikes and protect power elements during locked rotor protection.

A thermally conductive potting boat uses arm, finger, and wire-guide features to pull heat from the PCB while preventing electrical shorts.

A current transformer harvests power while measuring stator current, improving motor health data fidelity and lowering retrofit cost.

A stator-integrated sensor coil improves low-speed rotor position and temperature sensing in aircraft electrical machines without shaft sensors.

Oil stored in the inverter cools busbars and the electric machine, avoiding complex oil-water seals and reducing leakage risk.

An integrated connector protrusion uses gravity to drain cable-borne water away from the insertion hole, protecting the inverter without extra parts.

An axial-flux motor and separation wall shrink the pump package, cut hydraulic friction losses, and keep electronics cooled outside the flow path.

A dual water-passage case cools the inverter directly and the motor through cooled oil, solving insufficient cooling in compact vehicle drive units.

A stem-and-terminal single-cell pack delivers at least 170W to handheld power tools while keeping the battery compact and circuitry simpler.

Series placement of the power board, control board, and connector assembly cuts inter-board connections and shrinks motor drive size.

An integrated resin support holds the panel and control board together, cutting parts while improving panel visibility and durability.