Association With Control/Drive Circuits TRIZ Cases

Placing motor power and sensor connectors between the motor and PDU shrinks EV driving unit height while protecting against coolant exposure.

Integrated stator and housing end channels balance coolant flow and shrink the housing for better heat management in electric motors.

Induction coils power rotor-mounted sensors and processing to measure real rotor temperature, reducing overheating risk and conservative power limits.

A flexible carrier wraps a first board and uses integrated contacts to replace connectors, cutting module complexity, cost, and cooling constraints.

A conductive shielding frame encloses conductor bars between converter and machine housings to cut vehicle drive EMI and ease assembly.

A multilayer PCB lead frame routes high current from inverter legs to motor windings, saving wheel space while preserving torque and power.

Output-voltage analysis switches an inductance emulator during inverter lockout to prevent fault currents while preserving motor phase-current emulation.

A combined PCB cuts internal wiring in brushless power tools while improving airflow, thermal control, and assembly simplicity.

Mounting the high-voltage component on the casing side wall instead of the cover helps damp vibration and protect inverter durability.

Shared transmission lines carry both power and data between tool modules, cutting harness complexity while improving communication reliability.

Mounting the high-voltage component to the casing side wall instead of the cover reduces transmitted vibration and improves drive unit durability.

Temperature-based cumulative exposure modeling estimates remaining life for each power converter part without dedicated sensors.

Redundant power, winding, and controller paths let the actuator detect faults and still drive valves or pumps to a safe position.

Pre-start examination signals check switch unit health before motor enable, preventing continuous operation after burnout.

Switching the DC-link to a lower voltage at high altitude cuts cosmic-ray-induced semiconductor failures while preserving motor control efficiency.

A coolant jacket linked to a cold plate removes feeder cable heat before it reaches motor controller electronics, improving thermal reliability.

A removable battery power module, magnetic brake, and dimpled gear train keep downhole setting tools running without surface power and resist jarring.

Thermally coupling the busbar and inverter power system to the electric machine cuts cooling connections, weight, and defect risk.

Wireless stator-to-rotor power transfer with active rectification cuts rotor current ripple, avoids diode locking states, and improves torque efficiency.

By setting magnet thickness, air gap, coil turns, and coercive force together, this motor design limits demagnetization without excess magnet cost.

Stator windings and inverter switches boost a lower-voltage charger to charge a high-voltage battery without a separate DC/DC converter.

A stepped-down DC supply and programmable HMI keep crossing gates smooth across 12V and 24V systems while reducing motor and component stress.

Pre-bent phase leads and a grooved guide element align a brushless motor to PCB sockets, cutting manual soldering and connection complexity.

Speed-based stop control halts a motorized window covering at end positions or obstacles, preventing damage and avoiding manual limit setup.

A staggered-pole rotor and 90° phase-shifted coil control raise stator space utilization and cut torque ripple and vibration.

External power and control assemblies on separate housing surfaces cut turbomachine size, weight, and cooling complexity while improving heat management.

Halbach-arranged magnetic tunnels concentrate circumferential flux to raise torque density while cutting vibration, noise, and energy use.

A conductive ring linked to cable shielding drains charge from the winding tube, preventing actuator faults without extra discharge parts.

Surface-mounted flap levers convert vehicle motion into unidirectional rotation and flywheel input without roadway excavation, easing maintenance.

A stator core with a central bore, bearing pocket, and PCBA improves outer rotor motor support, commutation, and power transmission.

Centrifugal airflow through stator and support-arm openings dissipates in-wheel motor heat during sustained acceleration and deceleration.

An extruded double-walled e-axle housing routes coolant beneath power electronics to reduce cast complexity, weight, and assembly errors.

An external inspection opening lets engineers visually verify PCB press-fit contact insertion while keeping the electronics chamber protected from dirt and moisture.

A plug-in PCB separates control electronics from the motor body, improving rotor sensing, startup stability, and maintenance.

A non-magnetic rotor magnet holder cuts rotor weight while preserving torque density through anisotropic magnet orientation and slotless stator flux control.

An exposed housing-closing heat-sink and press-fit bus bar terminals improve cooling and simplify rotary electric machine assembly.

A damping strip on the magnet holder shifts yoke resonance away from commutation frequency, cutting HVAC blower motor noise and vibration.

Independently switched coil modules let an axial-flux motor maintain efficiency across changing speed and power demands while reducing weight and maintenance.

Pressurized air is routed through a drilled motor shaft to verify electric machine gasket sealing without temporary relief valve installation.

A sandwiched support board stiffens the motor housing, spreads high-frequency vibration, and shields the control board from electromagnetic interference.

A dual 2-phase layout with direction-specific turn-on angles delivers continuous torque while reducing SRM ripple, vibration, and noise.

Pressurized air is routed through the motor shaft to test gasket airtightness without temporary relief valve installation.

A variable-to-equal cross-section wind tunnel smooths high-speed fan airflow, cutting separation losses and temperature rise across a wide speed range.

Nested stator, rotor, covers, and insulating rings let a wheel hub motor stay compact while resisting environmental exposure and shedding heat.

A shared motor, gear, and inverter housing boosts rigidity and suppresses vibration transfer that can disturb inverter operation.

A combined fastening and connector interface lets the control housing mount to the linear drive while making electrical and data contact in one step.

By placing a toothed-wheel bearing on the stator, this actuator motor cuts installation space and weight while keeping gearing layout flexible.

A hubless magnetic gyroscope uses phased circulatory coils and energy return paths to deliver motor torque with less weight and complexity.

A conductive housing and external ground terminal route stator and PCB emissions away from nearby electronics, cutting pump EMI.

An RC-timed semiconductor switch keeps a brushless power tool off when battery power is connected with the trigger already pressed.