Association With Control/Drive Circuits TRIZ Cases

Refrigerant liquid vaporizes in the air gap to absorb latent heat from cylindrical coils, maintaining temperature within limits during overload conditions.

Area scale extends beyond stator window, maintaining rigidity without magnetic disturbance.

A brushless motor integrates a circuit board with switching elements directly onto the housing to channel cooling airflow.

Segmented deceleration control reduces impact force on pressed objects while maintaining short tact time.

Segmented printed circuit board with radial mounting portions and component holes accommodates large-height parts while maintaining cooling efficiency.

A linear motor uses a cycloidal disk to convert rotor motion into high torque.

Integrating a magnetic sensor on the coil substrate eliminates positional deviations relative to the magnet, ensuring consistent actuator characteristics.

An integrated power control assembly mounts directly on a motor axial end, featuring coaxial cooling plates thermally connected to power plates.

Galvanic isolation separates the inverter casing from the motor housing to redirect high-frequency currents away from the shaft and bearings.

Segmented inverter housing blocks electromagnetic noise to prevent circuit malfunctions.

Merges inverter switches with motor windings to eliminate separate housings, resolving electromagnetic compatibility issues while reducing system volume.

Radial hexagonal layout simplifies motor coupling while centralized coolers improve heat dissipation.

A stator insulator features a terminal pin accommodating portion that shields the pin gap from injection material during motor housing molding.

A flexible electronic assembly uses a phase change material stress buffer to absorb heat and mitigate thermally-induced stresses.

Stacking magnets with opposing polarities concentrates the magnetic field to reduce diffusion and interference during motor rotation angle measurement.

Wireless remote control eliminates cable constraints, enabling easy motor movement and access to hard-to-reach areas.

A synchronous motor with permanent magnets discharges electromagnetic disturbances through a direct electrical connection to the electronic control board ground.

Projected connector terminals extend from a peripheral wall to enable direct visual confirmation of the connection state.

Segmented housing design allows axial stator insertion without precise orientation, while elastic wall bending creates a force-fitting connection.

Inclined control board avoids motor fastening interference, eliminating relief portions and reducing manufacturing costs.

Composite actuator housing integrates a heat-conducting elevation to transfer thermal energy from internal electronics to an external coolant channel.

A dual-inlet fan draws cooling air from opposing axial sides to resolve insufficient airflow volume at the opposite end of the motor assembly.

Segmented dual rotors boost torque output by doubling magnetic interaction while maintaining compact dimensions for electric bicycles.

Offset main and sub Hall elements double rotational position detection resolution without increasing manufacturing precision requirements.

A removable insulating element acts as an end stop to position triangular connection elements, preventing electric arcing and simplifying lubricant management.

Resistance welding replaces soldering in integrated electric compressors to eliminate vibration-induced cracks and ensure consistent terminal joint quality.

A unitary electric machine housing integrates liquid coolant channels to cool the stator and electronics within a single structural element.

Concentric annular features on the fan and end frame form a non-contact seal that blocks water entry without generating frictional heat.

Stacked sheet metal cores in a flat multipole motor eliminate gearboxes, reducing device complexity while maintaining magnetic field performance.

A motor assembly detection circuit uses an optocoupler between a detection wire and ground to transmit signals.

Integrally formed rotor fan accelerates airflow through volute housing channels, reducing size and complexity of forced draft gas-fired systems.

A motor housing uses a multifunctional opening with an air guide to cool electronics via rotor airflow.

Segmented bushing with expanded openings guides lead wires through compact motor structures, resolving assembly difficulties in tight spaces.

A layered slot-wedge with embedded conductor strips forms a capacitive shield to intercept stray currents between windings and the core.

Stationary coil assembly eliminates drag chains, reducing costs while improving heat dissipation.

Segmented heat sinks with insulating pads dissipate heat from power switches, maintaining temperatures below 120 Celsius during high-current operation.

Battery-powered proximity sensors detect brush position and transmit wear data wirelessly, eliminating hazardous electrical conductors.

Placing a sensor near the lower on-resistance inverter resolves accuracy issues caused by varying thermal profiles across multiple winding sets.

An integrated printed circuit board eliminates separate motor and display boards, reducing wiring complexity and space requirements in hand tools.

A thermoplastic resin sheet adhered to a spindle motor base allows precise hole definition through localized thermal melting.

Mounting a power circuit on one heat sink surface and a capacitor assembly on the opposite surface expands mounting area without increasing motor diameter.

A control unit mounts circuit boards and power modules along opposing axial surfaces of a central heat sink column.

A motor with an embedded power conversion circuit integrates a heat spreader and copper foil to transfer thermal energy directly to the cooling fluid.

An electric oil pump reorients its control board along the motor axis to minimize radial footprint and streamline internal wiring assembly.

A compact motor design integrates a magnetic encoder on the rotary shaft to replace linear Hall elements.

Inclining the motor case seal surface allows radial driver attachment, reducing overall height while maintaining sufficient sealing area.

Adjusting resistor values in a motor controller circuit alters Hall sensor signals to change driving direction without redesigning the printed circuit board.

A conveyor roller sleeve embeds electrical conductors to simplify stator windings connection.

A brushless motor angle grinder uses a fan and air guiding cover to move cooling air, preventing heat accumulation on the circuit board.

Stacked planar coils drive a mobile magnet to control vibration frequency and amplitude, overcoming narrow bandwidth limits in vibro-tactile actuators.