Association With Control/Drive Circuits TRIZ Cases

Overmolded insulating elements on metal connection pins prevent contact and eliminate complex protective structures, reducing assembly complexity.

Opposing current inputs to control circuits reduces noise interference while minimizing substrate size.

An integrated generator and turbopump eliminates heavy battery maintenance by converting rotational energy into electrical power for avionics systems.

Segmented heat sinks with asymmetric stepped peripheries enable neat stacking and smooth supply in AC generator rectifying devices.

A motor control device selects inter-terminal voltage with the smallest absolute value to estimate steering angle speed.

Dual Hall sensors detect rotor position while a signal amplifier extracts the difference between their outputs.

A combined power and communications cable integrates high-voltage and low-voltage conductors into a single assembly with internal shielding.

Metallic shielding of the pole housing acts as a Faraday cage to protect the drive motor from external radio frequency interference.

A stator terminal pin mounts on a stepped resin surface to enable direct circuit board connection.

Segmented heat exchanger cores maintain separate temperature zones, resolving the trade-off between system complexity and component thermal stability.

A removable interface plate connects power electronics circuits to a liquid-cooled heatsink without draining the coolant.

Insulating reinforcing portions extend from terminal case corners to strengthen fastening points, preventing deformation under thermal stress.

Radial projection with recessed corners improves screw accessibility while snap connections reduce manufacturing complexity.

An exposed metal heat dissipation region on a motor circuit board reduces thermal resistance between the board and heat sink, improving heat dissipation.

Internal liquid coolant exchanges heat with external coolant at a vertically lower position, eliminating large radiators and blowers.

Connecting portions between adjacent stator teeth reinforce rigidity, resolving the trade-off between concentrated winding output and vibration noise.

Power board covers motor case cross section to distribute elements and improve heat dissipation through a dedicated heat sink.

A periodic controller adjusts motor variables by comparing discrete measurements across cycles to maintain stable operation.

A flat motor cable assembly absorbs vibrations through asymmetric stiffness, protecting the inverter-side connecting member from structural damage.

Positioning a toroidal inductor between the stator and impeller reduces copper losses while minimizing overall device volume.

Tabs on a holder fix an electronic circuit board to a drive unit housing, preventing tool damage during screw fastening.

A spherical motor rotates a vehicle searchlight about two perpendicular axes within a protective cavity, reducing torque requirements by 80% to 90%.

A submersed motor power supply uses a dielectric liquid to transfer heat from electronic components to the enclosure walls.

Stator windings dissipate regenerative energy, shrinking motor controller volume and improving thermal management.

An insulating member between the heat sink and rear bracket blocks high-frequency current transfer while maintaining thermal conductivity.

A baffle plate guides cooling air radially through an electric machine stator and rotor assembly.

A rotary electric machine uses shrink fitting to join the first bearing directly to the stator body cylindrical wall.

Segmented soft magnetic composite stator sections with bellows expansion prevent fluid ingress and dielectric oil degradation in submersible motors.

Radial vents in the motor cover redirect cooling airflow perpendicular to the fan axis, reducing acoustic transmission through the housing structure.

A flow director channels blower fluid along controller sides to cool the vacuum motor assembly and resolve thermal management constraints.

Segmenting the wireless adapter from the motor controller reduces manufacturing costs while maintaining versatile wired and wireless operation modes.

Direct coil connections eliminate bulky printed circuit boards, reducing stationary object area and axial length for compact motor designs.

A pump terminal box uses a separately molded tubular shell and electric connector to simplify assembly.

Segmenting the rotor core allows uniform resin injection while relocating gate marks to outer surfaces prevents magnetic flow disruption.

An axial flux electrical machine positions its controller assembly radially outward within housing extensions to minimize overall fan thickness.

Motor controller integrates gear detection circuit and current sensing units on a single board.

Consolidated sealing design prevents moisture penetration and contact damage while reducing manufacturing complexity.

A spindle motor base plate protruding portion shields the stator gap from debris without expanding the circuit substrate area.

Polar anisotropic magnet orientation reduces torque ripple while d-axis core design prevents saturation, improving efficiency.

Asymmetric circumferential positioning recesses on stator cores and frames prevent 180-degree misalignment during axial coupling.

A thermal mass element in the wiring route slows contact part temperature drops.

A fan device relocates a circuit board into a lateral receptacle within the fan frame to accommodate higher current capacity.

Flexible waterproof cover seals motor case and output shaft interface, preventing dust and rainwater entry while maintaining transmission efficiency.

Radial snap portions engage cover loops to minimize rotor axis dimension while maintaining attachment strength.

A field winding synchronous machine drive system uses multiple inverters to supply phase-shifted time-harmonic currents that cancel torque ripple components.

Segmented cooling passage directs coolant flow through distinct spaces for power converters and capacitors within a vehicle motor apparatus.

Selective coating on a drive device rear frame suppresses radiation noise while maintaining corrosion resistance through localized material exposure.

A fixing structure isolates an electrical component from a heat removing member using a soft material intermediary.

A lookup table module updates reference working periods to correct fan motor rotational speed across different environments.