Association With Control/Drive Circuits TRIZ Cases

A shaft-ringed second electronics housing and guided fan airflow improve PCB cooling while keeping the pump motor compact and quieter.

Radially separated n× and (n−1)× coil groups improve absolute angle detection while reducing magnetic noise and air-gap tuning complexity.

A drive motor harmonic is frequency-matched and phase-shifted against retarder gear noise to cut powertrain NVH in electric vehicles.

Intermediate elements between stator tooth groups conduct heat and cut stator weight while preserving magnetic circuit performance.

By shifting crossover wires to the opposite axial side and grouping terminals in set slots, this motor avoids screw interference without added size.

Thin insulated magnetic sheets replace massive steel clamping plates to cut rotor mass, parasitic harmonics, core losses, and warming.

Magnetic insulating grooves and a complete cylindrical inner wall cut leakage and cogging torque in a compact high-speed hairdryer motor.

Interpoles and reduced pole arcs curb magnetic field distortion in reversing universal motors, cutting sparking and heating while preserving power.

Magnetic coupling lets the outer rotor drive suction and discharge without direct shaft contact, cutting wear, heat, and friction losses.

Multiple phase-specific snubber circuits cut noise to all three MOSFET pairs in a motor-driven oil pump control substrate.

An integrated remote and manual controller lets a DC brushless ceiling fan reverse direction and adjust speed through existing control lines.

A branched refrigerant path uses a smaller shaft-side restriction to preserve pressure and keep oil flowing to both stator and rotor cooling.

A built-in sound chamber guides 3-5 kHz bearing noise to a low-cost sensor, enabling earlier motor bearing damage detection.

A thermal coupling member lets an all-solid-state battery and power converter share one cooling loop, cutting EV package size, noise, and wiring.

Actuated stator segments open the rotor air gap during coil faults to limit heat damage while maintaining turbomachine operation.

Direct welding replaces busbars in a vehicle brushless fan motor, cutting weld points, lowering material cost, and preventing short circuits.

A cable-linked battery pack and onboard motor split power from the vibrating head, reducing carry weight and operator fatigue on site.

A switching circuit redirects energy from a collapsing motor coil field into storage, reducing wasted inductive energy and improving motor efficiency.

A layered acoustic covering absorbs 6-12 kHz motor and inverter noise at the component surface, cutting bulky shielding and cost.

Real-time strain feedback lets the actuator control contact load and shaft speed, improving pickup reliability while limiting workpiece damage.

A pivoting, spring-loaded stop with separate reactivation keeps actuator controls washable while reducing unintended activation and reset risk.

A snap-on control box and sliding end-stop element simplify wiring, shrink PCB size, and stop the motor safely at stroke limits.

Closely aligned axial connectors shrink dual-system motor drives while preserving external connector space and reducing noise.

Variable coil energization stop timing disperses switching events based on motor speed, reducing vibration and improving operation stability.

By facing connector heads across the motor shaft axis, this case cuts terminal assembly size while preserving insertion and removal clearance.

High-frequency test signals induce a measurable response between coupled windings, enabling electrical machine aging and degradation monitoring.

Thermally conductive resin embeds inverter capacitors into a cooled housing, improving heat dissipation and reliability near operating limits.

Dew point and component temperature monitoring detects imminent motor condensation and triggers heating or ventilation to prevent moisture damage.

Expanded base-member contact with the case creates a grounding path that diverts electromagnetic noise away from the drive circuit board.

A dual-sided PCB and heat sink layout improves cooling while overmolded contact plates prevent shorts and corrosion in power tool motors.

A bracket wall cutout gives soldering tools clear access to PCB terminals in a brushless motor while preserving board support and bus bar alignment.

A replaceable impeller unit lets the pump outlet rotate to different angles, adapting one motor platform to multiple system layouts.

Liquid passing gaps around the IGBT and integrated capacitor cooling improve heat dissipation without increasing motor controller thickness.

Rectangular wire layout in radial and circumferential directions raises field winding space factor, cutting resistance, losses, and assembly issues.

By tuning braking parameters from motor feedback, this case suppresses voltage spikes and reverse bus current without bleeder resistors.

Equalized zero-phase voltages across dual inverters eliminate circulating current, cutting motor losses and fire risk in open-end winding drives.

A compact housing places the pump and oil cooler around the motor and inverter to maintain oil cooling without enlarging the vehicle drive unit.

A rigid-flex PCB separates control and power sections to save steering-system space, cut connectors, and reduce motor current losses.

A PCB-mounted magnetic sensor extends into the pole wheel to improve rotary position accuracy while reducing external interference and cost.

A layered circular power plane uses cooling fins and a thermal barrier to shield integrated VFD electronics from motor heat at high power.

A sliding shaft coupling and spring-loaded idler pulley improve torque transfer, belt tension control, and no-load energy use in power equipment.

An arc-shaped protrusion and recess gear structure raises deceleration ratio in a compact mechanism while preventing tooth interference and poor engagement.

Opposed-polarity magnets and independently driven coils let a movable frame stay compact while preserving high packing density and fast actuation.

Dynamic motion thresholds use sensor and battery-state inputs to detect power tool bind-up more accurately and avoid unnecessary shutdowns.

Polygonal flange embossments stiffen a deep-drawn motor housing, reducing bending stress while securing busbar alignment.

A two-piece molded owl head uses a mounting insert and motor shaft to simplify assembly while enabling realistic motion-triggered rotation.

A detachable wire fixing component and elastic claw keep wiring terminals from loosening, improving motor startup stability and installation.

Independent power, control, and I/O modules let HVAC motor controllers fit varied systems while cutting replacement cost and development time.

Real-time torque, speed, voltage, and current feedback adjusts motor advance angle to cut power use and stabilize speed under changing loads.

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