Association With Control/Drive Circuits TRIZ Cases

A controller board uses a separating zone with an elongated through hole to isolate electronic components.

Direct weld joins stator coil end piece to inverter circuit board via elastic connecting section.

Tubular surrounding portion on motor bracket seals speed reducer case to eliminate double structure and reduce weight.

A motor stator uses a radial recess in the core back to accommodate a vertical terminal holder, freeing radial space between teeth to increase wire turns.

A drive unit power conversion connector protrudes at a predetermined angle to secure workspace.

A controller unit arrangement uses a determination unit to verify connection states before supplying electrical power.

A magnet mounting arrangement uses a controlled intermediary element to retain rare earth magnets during assembly.

Axial flux stator uses ferrite Halbach arrays to boost torque density while eliminating rare-earth magnet costs.

Bending outer lead frames outside the housing eliminates internal tool interference, reducing device volume while maintaining reliable electrical connections.

A large flywheel rotor uses a flexible disk connection to manage centrifugal forces.

Removing back iron from a thin axial gap motor reduces height while simplifying manufacturing.

Integrated clamping elements join electrical contacts and mechanical fixation to reduce assembly complexity.

A vacuum pump drive switches motor windings between star and delta configurations to adapt torque characteristics.

An integrated cooling fluid flow path cools the electric motor and inverter simultaneously, eliminating separate units to reduce system weight and size.

Staggered bus bar connections reduce case volume while maintaining reliable rotation detection accuracy.

A motor-driven roller uses a bus line to transmit data through a hollow axle.

Angled cooling ribs maintain heat dissipation across horizontal and vertical positions by ensuring consistent airflow paths.

Interconnector fixed to bearing transverse wall via fasteners, reducing vibration damage and heating.

Axial connector terminals press-fit substrate connection portions during cover member assembly.

Equalizing current path lengths via asymmetric routing minimizes impedance differences, reducing switching noise and surge voltage in electronic modules.

Merges inverter into motor housing to cut space while coolant channels maintain thermal stability.

A stator connector uses isolated conductors with contact members to link coil terminals.

A double-stator permanent magnet machine circulates third-order current harmonics between stators to increase torque density.

A magnetic orientation detent locks VTOL propellers, preventing free spinning and reducing drag during fixed-wing flight.

Segmented bellows maintain independent pressure conditions in submersed pump compartments, reinforcing mechanical seals against hydrostatic stress.

Radial slits in the thin-walled grommet allow heat dissipation while maintaining waterproof integrity, preventing premature electronic failure.

Axial cooling air passages through a segmented heat sink case improve thermal dissipation for inverter switching devices.

An offset magnet arrangement enables a single linear Hall element to detect both rotation period and phase switching, reducing component count and motor size.

A vehicle door control system uses a motor-driven plate pack to provide adjustable frictional resistance for holding the door in selected positions.

Deriving frequency domain data from wye point measurements resolves high-voltage complexity while maintaining measurement precision.

A disk-type brushless DC motor with radial flux configuration generates high torque while reducing electricity consumption and extending vehicle range.

A protective cover segments cooling air streams to cool power, control, and filtering modules independently.

A spoked-wheel electric drive assembly uses a rotating magnet ring and stationary stator to propel the vehicle.

An integrated thermal fuse using brazing alloy protects electric machines from overheating without separate assembly steps.

Plastic injection molded stator core integrates cooling ducts for the conveying medium to reduce temperatures and assembly costs.

A stator wall portion contacts the circuit board insertion hole to block coating agent flow into the motor core.

A receiving portion secures connectors within the body of an electric power tool.

A connector screw seat supports a component-mounting board between the connector and heat sink.

A slit motor terminal press-fits a control device connection to eliminate screws, reducing component count while preventing foreign matter contamination.

Centrifugal force presses a conductive lid against a rotating carrier shaft, dissipating heat from sealed electronics to reduce thermal fatigue.

A servo relocates position sensors to an external circuit board, reducing motor volume and improving heat dissipation.

Segmented stator and rotor assemblies isolate electronics from sterilization media, enabling autoclave cleaning without cable penetrations.

Helically arranged conductor branches with optimized pitch bridge gaps between branches to enhance magnetic field concentration in AC electric machine stators.

A brushless motor uses a magnetic flux guide member to direct rotor magnetism toward a detection sensor mounted on a sealed circuit substrate.

A linear Hall effect sensor replaces mechanical potentiometers and switches in power tools, eliminating physical wear while maintaining precise control.

Pre-wound pole shoes on insulating supports simplify stator assembly, reducing labor costs while separating electronic cards from motor heat.

Transforms three-phase voltage values into phase angles to attribute discharge signals for accurate insulation defect identification.

Envelope detection extracts amplitude information from high-frequency current responses to estimate phase inductances for rotor position tracking.

A brushless direct current motor uses a control unit to estimate rotor angular position from Hall effect sensor signals and generate sinusoidal control voltages.

A cooling unit placed between the stator and inverter device cools both components simultaneously using shared fluid passages.