Association With Control/Drive Circuits TRIZ Cases

A thermally conductive elastic member transfers heat from the circuit board to the housing.

A segmented cooling circuit directs liquid coolant first through power electronics before reaching the stator, resolving thermal management bottlenecks.

A flywheel electromagnet system drives rotors via balanced electromagnetic forces on a non-rotating shaft, eliminating dragging forces and precession.

A hybrid unmanned underwater vehicle propulsion system cycles between turbine and DC supply modes to manage power distribution efficiently.

An air gap between the controller board and flange blocks heat transfer, preventing thermal deformation while liquid resin dissipates component energy.

A non-contact power transmission shaft uses electromagnetic induction to transfer energy between rotating and stationary components.

Segmented oil and water flow paths in a motor housing improve cooling performance while maintaining structural rigidity.

Segmenting electrical phases with phase-offset carrier signals reduces intermediate circuit capacitor current intensity, lowering component costs.

A control apparatus estimates rotation angle using wheel speed sensor data to eliminate the resolver.

A dual-coolant rotating electric machine unit uses an integrated heat exchanger to cool the rotor via excess capacity from a high-heat circuit.

Axial magnet rotor design aligns magnetic poles along the rotational axis, reducing flux change and preventing centrifugal ejection during high-speed operation.

Dual-interface servo actuators detect roles and broadcast IDs to enable seamless system reconfiguration.

Segmenting the connector from the housing enables flexible terminal arrangement and easy repair without replacing the entire drive device.

Rear end frame positions control unit substrate relative to motor shaft axis, eliminating assembly gaps that cause rotation angle sensor deviation.

A deformable wave-shaped end plate compresses stacked core plates using flanged rivets to distribute mechanical stress.

A coaxial motor propulsion unit with an external rotor and internal stator arrangement.

Segmenting the drive into primary and secondary machines reduces converter size while enabling full variable speed operation across the operating range.

Event-triggered status transmission between adjacent segment controllers reduces communication bandwidth while maintaining accurate mover tracking.

Transferring elements disperse heat from surface mounted components toward a dissipator, preventing overheating of the printed circuit board.

A connection member with a guide member allows a second short bar to move relative to a first short bar.

A three-phase induction motor uses a specific stator and rotor slot relationship to minimize current ripple.

Separate control and power substrates isolate high voltage lines from low voltage signals in multi-shaft motor drive devices.

Radial cooling fins extend from a segmented cover plate groove to increase heat dissipation area, resolving thermal buildup in high temperature operations.

Offset apertures link stator and electronics housings via a connecting channel that forms a protected cable duct, resolving assembly complexity.

Placing shared capacitors between phase bridge circuits suppresses ripple current influence across inverter sets while reducing total capacitor quantity.

Segmented annular grooves on a heat sink surface generate radial friction to anchor thermal conductive material, preventing gel transfer during vibration.

An opening in the pump electronics housing enables post-assembly programming of circuit board components, eliminating pre-assembly constraints.

Adjusting conduction band and advance angle extends tool usage as battery voltage decreases while maintaining efficiency.

A vehicle cooling control apparatus manages refrigerant flow between power control unit and drive-force transmitting apparatus circuits using conditional pump operation.

A linear motor design positions the electricity storage device adjacent to a high thermal conductivity mounted body for efficient heat dissipation.

Resonant LC circuits in serial switching cells reverse winding current via natural oscillation, reducing switching losses and enhancing power capacity.

Bent terminal portion provides elastic contact to eliminate clamping jigs during TIG welding of power modules.

Segmented chambers and elastic dampers isolate motor vibrations, reducing acoustic propagation without increasing hub length.

A plastic holder integrates the connector and circuit substrate to absorb terminal pin loads.

A heat-resistant resin layer thermally isolates a temperature sensor from a heating component within an electronic unit substrate.

Segmented bearing shields with axial openings enable inverter removal without rotating the stator, reducing maintenance complexity and space requirements.

Segmented housing and down tube heat sink resolve thermal reliability contradictions by conducting heat away from sealed semiconductor switches.

Orthogonal substrate layout isolates thermal loads, resolving heat dissipation conflicts while sustaining high torque output.

Pulsed reversing direct current repels the spheroidal super magnet, driving rotation that induces alternating current in the generator coil.

A three-dimensional meandering cooling channel formed by end shields and distributor plates directs coolant through horizontal, vertical, and radial sections.

Physical vapor deposition creates a uniform deposited film on motor substrates to prevent moisture ingress and maintain Hall element detection accuracy.

An insulator separates the iron core from the heat dissipating plate, blocking harmful conduction and maintaining sensor stability.

Metal case recessions filled with cured polymer dampen acoustic energy while maintaining structural strength and stiffness.

A line-start permanent magnet motor switches stator winding pole counts to achieve dual synchronous speeds without solid-state inverters.

A multilayer substrate positions power supply and ground patterns in overlapping layers to minimize loop area.

Merging pins, sleeves, and seals into one elastomeric component reduces device complexity while ensuring reliable watertight connection.

Cylindrical base frame accommodates inverter unit with heat sinks covering openings to cool power modules.

An electromagnetic brake holds the door leaf in place, resolving electrical losses that prevent reliable positioning during regenerative damping.