Asynchronous Induction Motors TRIZ Cases

Control device compensates for internal-combustion engine drag torque to prevent shock motions during shifting.

Integrating latching claws on the fan cover reduces component count and manufacturing cost by merging attachment functions into a single structural part.

Reversely connected rotor windings minimize high-order harmonics to resolve volume and speed control trade-offs.

Integrated rotor inductors raise reactance during high slip, reducing starting current by 50% while avoiding peripheral device complexity.

Diecasting creates a metallurgical bond between conductor bars and the rotor body, preventing bar lifting under centrifugal forces.

Voltage command correction synchronizes dual motor torques to eliminate backlash and prevent mechanical wear without complex hardware.

Capacitance structures between the rotator and external connectors form direct current on a hollow cylinder conductor.

A fastening element creates a form-fit connection between the front region and the short circuit ring to enhance mechanical resilience.

Removing heat-affected zones from friction stir welded rotor end rings maintains mechanical strength and prevents structural damage.

Curved slot edges with varying radii distribute centrifugal stress in squirrel-cage rotors, preventing fractures and enabling higher rotational speeds.

Segmented housing openings and a radial fan direct fresh cooling medium past stator windings, eliminating recirculation short-circuit flows.

Radial prestress on rectangular rotor bars secures contacts, resolving low copper filling and weak electrical reliability.

A dielectric stator block minimizes eddy current drag in radial flux permanent magnet alternators.

Parallel copper and aluminum windings reduce material costs while fitting within existing stator slots.

Recessed short-circuit rings join cage bars through compression, eliminating expensive soldering tools and thermal energy consumption.

Replacing paired pole coils with a center coil and auxiliary coils optimizes core loading, reducing heat generation and coil burning risks.

Displacing the rotor contact element along the axis provides tool access, reducing structural space constraints.

A motor diagnostics system evaluates sequence impedance using inverter harmonics to detect winding faults with high precision.

Axial pressing joins conductor bars to short-circuit rings via micro-welding, eliminating casting defects.

Replacing metal bars with carbon nanotube composites reduces mass and centrifugal forces, enabling higher operational speeds in electric machines.

A magnetic inductor rotary machine with salient poles wider than stator slots maintains low magnetic resistance.

A rotary induction servo motor uses uniform magnetic fields to generate constant output torque through simple stator windings.

Pre-fabricated end plates with flow channels inject liquid casting material into rotor core passageways, reducing gas porosity and shrinkage defects.

A circumferential projection on the end plate covers and constrains the short-circuit ring to secure the assembly.

A motorized articulating probe head uses a spherical joint to orient measurement probes within coordinate measuring machines.

Direct stator mounting eliminates flanges and reduces air gap misalignment.

Segmenting the short-circuit ring reduces casting complexity and cost while maintaining electrical conductivity.

Braze material spacers melt to bond conductor bars to end rings, while drain channels remove excess filler to prevent defects.

Radial support surfaces on the end frame accommodate multiple main frame sizes, resolving adaptability versus complexity trade-offs.

Segmented dual stators with nested squirrel cages lower rotational inertia to eliminate auxiliary braking systems in offshore drilling motors.

Segmenting neutral wires disperses current flow, preventing insulation failure from excessive temperature rise in rotary electric machines.

A multi-speed induction motor nests a low pole count winding radially inside a high pole count winding to reduce copper wire length and endturn resistance.

Composite bars eliminate high-temperature casting damage while maintaining electrical conductivity.

A bearingless induction motor rotor winding uses a common connector plate and multiple rotor connector plates to electrically link slot conductors.

Hard magnetic rotor cores with integrated cooling channels enable continuous braking power while minimizing stator power consumption and thermal losses.

Segmenting coil groups into a two-layer arrangement cancels spatial harmonics, resolving the trade-off between automated manufacturing and motor performance.

A laminated rotor core features a receding edge transition area to reduce mechanical stress during casting.

Vertical PDU mounting frees tray space, while polymer housings cut weight and machining costs.

Multi-element copper alloy balances mechanical strength and electrical conductivity while improving castability.

Radial electron beam welding joins main and peripheral disks to form a short circuit ring, reducing heat input damage to the laminated core insulation.

Direct double axial and radial bearing support against the stator minimizes clearance-induced vibrations, reducing noise in tubular actuators.

A squirrel cage uses a split short-circuit disk to join cage bars via planar contact.

Meandering ribs on the torque arm absorb radial forces while maintaining torsional rigidity for precise angular position detection.