Structural Association TRIZ Cases

Series sealing assemblies isolate cooling fluid paths within an electric machine rotor shaft to prevent leakage.

Thermal insulation isolates the encoder compartment from motor heat, maintaining low encoder temperature during high RPM operation.

Radially positioning phase connectors between the stator body and notch base isolates magnetic fields from angular position sensors.

A motor rotation detection device couples a sensor magnet to a rotating shaft via a non-magnetic case and spacer.

An integrated coolant temperature sensor monitors fluid flow within the electric machine housing to enable precise thermal management.

A reflective encoder design increases the light receiving area by arranging incremental and absolute element groups around a central light source.

An annular electromagnetic field barrier ring isolates the resolver rotor from the machine rotor to reduce signal noise.

A wedging element exerts predetermined pressure on a sensor against a winding bun, resolving insufficient heat exchange and delayed overheating detection.

A magnetic sensor IC detects rotor position via a rotary encoder magnet mounted on the motor shaft.

Cylindrical drive coils prevent rectangular assembly deformation, ensuring high precision positioning.

Oversampling routine determines demodulation angle errors from resolver signals, resolving measurement precision versus processing time trade-offs.

Merging speed detection gear with cooling fan blades reduces axial length while maintaining thermal performance.

A compliant mount isolates the feedback device from motor vibrations while an active cooler removes heat to prevent thermal damage.

A rotatable holder accommodates size variations in temperature detection elements, ensuring reliable coil contact and stable bonding strength.

Variable width coolant passages in the cylindrical housing reduce stagnation and flow separation, maintaining rotation sensor detection accuracy.

A stop portion prevents knock pin dislodgement from vibration and thermal expansion, maintaining resolver stator position.

A mounting structure positions an encoder rotating member via a boss featuring a cut surface and adjustment marks.

Input and output lines shield the temperature detecting element from dripping coolant, resolving measurement errors caused by direct liquid impact.

A position sensing system combines a magnetic pole sensor detecting magnetization state transitions with a field angle sensor tracking cyclically-varying magnetic fields.

A servo motor rotary shaft connects to a coaxial operating member on the counter-load side for manual rotation.

A motor protection system uses sensing devices and relays to detect temperature and current levels for precise power control.

An elastic deformation section presses tabs into fan cowl recesses, resolving the contradiction between rigid torque transmission and vibration damping.

Stacked flat coils increase inductance via vertical layering, resolving the trade-off between low manufacturing cost and insufficient measurement precision.

Radial sensors detect shaft angle via ring irregularities, reducing electronics placement complexity.

Dual-diameter seal interfaces on an environment barrier isolate the stator from rotor out-gassing and corrosion while preserving heat removal paths.

Inverted windings in a magnetic coupling component balance currents across parallel conductors, reducing losses and dimensions.

Radial sensor placement and differential calculation eliminate external magnetic field interference for precise angular position determination.

Stationary primary magnets transfer energy wirelessly to a moving unit, eliminating wear from cables in circulating systems.

Integrating the motor stator and driving circuit directly onto the electronic substrate reduces device thickness and manufacturing complexity.

A linear motor arranges an encoder and spring member side-by-side horizontally, reducing vertical height while maintaining detection reliability.

Relocating pressure equalizing elements from external housing surfaces to internal partition walls prevents moisture ingress into rotor-stator assemblies.

A linear actuator uses magnetic attractive force to hold a coil yoke in place while Lorentz forces drive movement.

Localized resin filling in a rotary electric machine enables accurate temperature detection while reducing manufacturing complexity and cost.

Segmented enclosures allow detached motor units to be serviced without losing manual control, reducing maintenance complexity in nuclear plants.

Stator interpoles cancel second and third harmonic waves to improve rotation angle detection reliability.

A cone element mounted on the drive shaft pushes brushes radially outward during insertion.

An integrated motor housing merges radial positioning and axial sealing to resolve assembly complexity while maintaining bearing support.

A coil insulator integrates a recess to house a temperature sensor directly against the stator winding.

An optical monitor reads rotor markings to calculate power angle without stopping the generator.

Nested inner and outer stators with magnets eliminate gear backlash and wear while achieving high torque output with reduced rotor inertia.

Segmented grounding conductor with resilient tongue prevents end cap deformation while ensuring stable ground connection to reduce electromagnetic interference.

Interposed socket houses electrical connections and sensors within the motor-pump unit to simplify wiring paths.

A winding bracket integrates a connector and cover to secure lead wires within the resolver stator assembly.

A stepping motor operation element attaches directly to the rotating shaft to transmit tactile feedback without intermediate gears.

Floating connectors replace soldering in encoder manufacturing, reducing time and cost while maintaining optical alignment accuracy.

A resolver stator uses optimized fixing points to improve mounting accuracy and reduce inner diameter deformation.

Eliminates mechanical gearing complexity by merging coarse and fine sensing elements on the motor shaft to deliver high resolution multi-turn position tracking.

A compact brushless servo motor actuation unit drives choke valves via a planetary roller screw assembly aligned along the longitudinal axis.

Segmented plate elements eliminate riveting constraints, enabling automated mass production of electric motor brush assemblies.