Association With Control/Drive Circuits TRIZ Cases

Strategic component placement increases stiffness and damping in hard disk drive motors, controlling resonant vibrations without enlarging the motor size.

Integrating an O-ring and bonding agent reduces sealing locations, improving waterproof reliability in electric power steering systems.

Segmented male and female terminals with protective projections prevent dust ingress while enabling quick assembly in narrow grinder spaces.

Motor controller detects terminal current frequency components to adapt voltage amplitude and maintain rotor synchronization.

A circuit board inlay mount pad transfers heat from electronic components to the substrate while maintaining electrical connectivity.

Integrating the transformer, control electronics, and motor into a single housing protects components from weather exposure while enabling remote operation.

An electrically-conductive member on a supporting surface grounds motor bearings and heat sinks, eliminating complex wiring to resolve potential imbalance.

An integrated connector holder absorbs axial insertion stress to protect circuit boards in electric power steering assemblies.

A heat transfer device moves thermal energy from electronic components to a heat sink in rotary electric machines.

A three-phase brushless fan uses winding columns to form coils directly on the circuit board.

Electronic module positions power connections at the outside diameter to enable larger conductors, reducing track temperature and bulkiness.

Integrated flange merges actuator housing and mounting structure to eliminate complex external accessories.

Segmented housing with redundant seals prevents humidity and dirt ingress, ensuring reliable operation of adjustable building slats.

Radial cooling towers reduce thermal resistance and electrical noise by segmenting control circuitry from power devices.

Irregularly pitched mounting flanges disrupt centrifugal whirling forces to suppress lurching behavior and reduce operating sound in compact steering systems.

Extending the sealing member longitudinally houses the position sensor, resolving sealing constraints and protecting components from engine contaminants.

A motor mounting device uses an asymmetric pressure chamber to generate forced air flow through a cooling impeller.

A bearing cover transfers heat from the inverter housing to improve thermal management.

Dynamic reference levels adjust for rotational speed variations, enabling accurate twisted motion detection without false triggers.

Segmented rotors in a dual axis motor prevent magnetic core saturation during high torque bursts, avoiding overheating.

Interchangeable pump covers reduce part numbers while the stator housing transfers PCB heat to fluid, lowering inventory complexity.

Zoned cooling ribs on the inverter housing manage thermal loads for different circuits, preventing overheating.

A high voltage DC generator uses a selectively removable neutral node to manage power output and system stability.

Tilted switch panel and overlapping controller reduce battery housing thickness while improving visibility.

Two axially opposite impellers generate separate cooling air flows to actively cool motor electronics and stator windings.

A subsea apparatus uses a generator on its rotating part to produce power for onboard components.

Partitioned metal cover isolates redundant power conversion sections to prevent secondary failures while reducing component count and weight.

A PCB motor controller uses point-on-wave switching to time relay contacts for precise three-phase power control.

Integrating conductive coils into the rotor assembly increases flux density to overcome limited torque in submersible pump applications.

A two-layer Lundell motor design uses a magnetic flux barrier to minimize interference between stator units.

Integrated heat sink retains semiconductor modules to dissipate thermal energy, eliminating bulky cover members in compact motor drive apparatuses.

Pulsed magnetic fields shrink a conductive ring to retain BLDC motor magnets, eliminating adhesives and reducing assembly complexity.

Bus bars follow curved paths inside a sealed housing to prevent fluid ingress while maintaining reliable electrical conductivity.

Bidirectional vapor transport through semipermeable membranes allows hygroscopic material to absorb internal moisture while blocking external water ingress.

A resiliently deformable pressure element secures a connector housing to a stator carrier, preventing relative movement and material abrasion.

Angular stator positioning maximizes internal space in compact gear motors while preventing accidental disassembly during vibration.

Circuit terminal joins aluminum wound wire via tin-plated coupling member for reliable electrical continuity.

Merging separate gearbox and alternator components into one rigid assembly eliminates alignment errors while reducing installation time and system complexity.

A drive circuit uses a bidirectional AC switch and position sensor to control permanent magnet motor rotation.

A brushless DC machine design uses a non-integer rotor pole to stator slot ratio to generate high phase counts.

Conductive track tabs housed in PCB seats ensure coplanarity with connecting pins, resolving tolerance issues from complex assembly processes.

A cooling fan positioned between a battery case and motor case directs air through dedicated discharge and suction ports to manage thermal loads.

Merging three power modules into two universal units handles all six phases, reducing heat dissipater volume for compact vehicle motor designs.

A dynamic transformer system adjusts effective winding turns via a switching network to optimize power transfer across varying load conditions.

A component support member secures a motor stator and rotor using a friction-based press-fit interface.

A motor design integrates a sensor magnet into the rotor screw to reduce rotational inertia and enhance responsiveness.

Radial heat dissipation frame transfers thermal energy from internal substrates to resolve amplifier overheating.

Single heat radiator cools multiple semiconductor devices, reducing structural complexity and preventing particulate adhesion.