Association With Control/Drive Circuits TRIZ Cases

Inverted harmonic currents from secondary converters actively suppress acoustic noise in submarine motors, eliminating external sensor requirements.

A magnet-side shielding member rotates with the motor magnet to absorb magnetic field interference from bus bars.

A motor drive apparatus positions a heat sink to overlap an end frame in the radial direction, increasing contact area for thermal conduction.

A compact motor arrangement integrates an electronic isolating relay module inside the housing to switch motor phases.

Circumferential adhesive joints merge sealing with bonding, preventing motor enlargement while ensuring waterproof reliability.

Rubber dampers absorb vibration and noise between the stator block and motor housing, reducing shock transmission while maintaining structural simplicity.

Nested counter-rotating propellers in a thin-profile motor assembly boost aircraft thrust while reducing power consumption.

A drive device cover shields lead wire insertion holes during electrical connections to prevent foreign object intrusion without seal members.

A driver assembly positions semiconductor switches in a circular configuration to ensure uniform thermal loads across all components.

Projection units on the motor housing inner surface act as a heat sink, eliminating separate components and reducing overall size.

A motor drive unit housing with a separation plate and cooling channels for liquid coolant extends capacitor lifetime.

Sensors detect coil displacement from magnet movement, and actuators adjust positions to preserve radiation therapy precision.

An integrated positioning pin eliminates separate centering and clamping elements, reducing device complexity while preventing board sagging.

Segmented actuator housing protects sensors from water damage, resolving reliability trade-offs with measurement precision.

Radial duct sections project externally from the cover inset to mount electronics, reducing axial volume while improving heat exchange efficiency.

Breathable membranes prevent condensation damage to circuit boards in electrically operated valves by balancing hermetic sealing with vapor transmission.

Insert-molding silica xerogel into a thermoplastic resin partition wall prevents powder degradation and short circuits while blocking heat from generators.

An L-shaped electrical drive unit layout positions the motor and inverter on one side of the centerline to maximize motor size.

Integrated axial end cooling channels in L-shaped sheet metal housing sections reduce thermal resistance, enabling higher performance electric machines.

Asymmetric geometric markers prevent misassembly of printed circuit boards by restricting installation to a single fixed orientation.

A nonmagnetic contamination cover shields the control circuit board within a motor assembly.

A stator uses an annular plate to support terminals connected to coil strands, enabling direct electrical access while the core remains enclosed in resin.

A holding member supports a rotation sensor projection on a case support surface to isolate the sensor main body from direct contact.

Flexible bushings decouple the power inverter from the motor assembly, absorbing rotational oscillations to reduce noise and vibration.

Nested insulating holding members engage wiring substrates via protrusions, resolving vibration resistance trade-offs in miniaturized Hall element sensors.

Axially facing inverter units connect directly to concentrated phase coils, reducing copper loss and simplifying assembly work.

Segmenting the control electronics from the motor unit reduces volume while maintaining AC drive versatility.

Three distributed through bolts reduce axial force concentration on flange joints, minimizing airgap and preventing deformation under vehicle vibration.

An integrated controller combines a single-phase to three-phase inverter with active motor management.

A control system hub merges power conversion and motor speed logic into a single unit for blower applications.

Segmenting the inverter from the motor housing simplifies assembly and maintenance while reducing cabling complexity.

An axial heat radiation base conducts thermal energy from redundant electronic control unit boards, reducing radial size while maintaining dissipation.

Houses electronics in shroud spokes to separate heat-sensitive parts from the motor, improving durability while maintaining compact dimensions.

Contact springs ground the fan arbor to the printed circuit board, eliminating electromagnetic interference without adding installation steps.

A power unit design achieves a high power-to-weight ratio through modular segmentation and nested component arrangement.

An aluminum board merges heat dissipation and electrical connection functions, reducing mounting area and manufacturing cost while maintaining reliability.

Folded printed circuit board traces on a flexible substrate increase the space factor and reduce conductor resistance by enabling precise coil stacking.

A modular slip ring transmitter separates the signal unit from the power unit to enable independent inspection and replacement.

Front protruding portions position terminals for easier access while integrated heat sinks protect against collision impacts.

A motor housing integrates a dedicated heat dissipation region to conduct thermal energy directly from power conversion circuitry.

Magnetizing permanent magnet rotors after mounting eliminates excessive magnetic forces during installation, allowing standard tools and ensuring safety.

Integrated seal plate heatsink eliminates dedicated waterways, reducing clogging risk and manufacturing complexity.

Orthogonal substrate orientation allows circuit board enlargement without elongating the casing, resolving size-functionality trade-offs.

Glass fiber reinforced resin maintains axial perpendicularity and withstand load performance while reducing assembly workload.

A conduction bypath supplies power to an integrated electric brake without activating the driver circuit, resolving complexity in manual release.

Segmented endbell compartments and larger bearing elements resist sterilization degradation, extending motor lifespan while maintaining compact dimensions.

An electric motor actuates a thrust reverser cowl using two separate power supplies for redundancy.

A multilayer substrate positions transmission patterns differently from on-off fluctuation units to reduce noise interference in power conversion circuits.

Phase detectors detect rotor position in a symmetrical stator motor, enabling control modules to drive reverse rotation without complex manufacturing.

A multiphase electrical machine uses a transfer circuit to couple stator star points across dual onboard voltage sub-systems.