Dynamo-Electric Machines TRIZ Cases

A vibrating motor uses a rotatable linking module to guide elastic force into linear motion.

A triangular flux bridge guides magnetic flux between permanent magnets in a pivot motor stator assembly.

An offset detecting circuit aligns Hall signals with back EMF zero points to reduce feedback current and power consumption in DC brushless motors.

A bi-directional angular displacement lever with magnets extends electrical output duration through alternating magnetic field concentration.

Localized stiffeners on flexible printed circuit cables prevent metal trace cracking during high-frequency bending cycles.

Ferromagnetic screens optimize flux distribution to increase mechanical power tenfold without enlarging device volume.

A resonant attachment structure amplifies bristle tip movement through mechanical vibration to enhance cleaning coverage.

Positioning guiding rails with rolling members restrict vibration unit motion to one direction, reducing elastic fatigue in flat linear motors.

Segmented magnetic steel assembly drives suspending frame via synchronized magnetic loops.

A linear actuator yoke secures a permanent magnet and coil to form a unified magnetic circuit structure.

A linear vibration motor uses a magnetic conductive brush to guide field lines from the vibration block to stator coils.

Rolling ball transfer units allow quick positioning of an electrodynamic shaker, reducing setup time and damage risk during aircraft vibration testing.

A linear vibration motor replaces mechanical springs with a magnetic conductive ring to guide the vibrator along its movement path.

A mass-spring identifiable assembly enables unique attachment recognition through distinct resonant frequencies detected by a sensing coil.

Electromagnetic coils drive a weight into oscillation, replacing inefficient unbalanced motors that consume excessive power and generate destructive forces.

A rotor winding carrier embeds a superconducting coil element using a cohesive connection on a partial contact surface.

A linear vibrator suspends a magnet assembly inside a housing using elastic members to generate vibration parallel to the base.

A double rotor stepper motor achieves precise angular movement through differential magnetic field circulation between segmented rotors.

A shift position controller filters encoder signals to prevent motor rotation errors.

A dual vibration motor uses independent mass-spring systems to generate distinct mechanical outputs.

An actuator merges one permanent magnet with two coils to drive independent X and Y rotation, reducing component count and scanner size.

V-shaped elastic members use localized damping glue and foam to prevent spring deformation while improving vibration damping performance.

An oscillating magnet moves through a conductive coil to generate electricity, reducing energy loss from thermodynamic inefficiencies.

A dual coil inductive energy generator circumscribes a magnet assembly to produce electrical power through electromagnetic induction.

A protection element positioned between the shaft and slip rings prevents micro-crack propagation during force-fitting.

Asymmetric pole faces prevent magnetic flux reversal, eliminating holding forces and boosting voltage output.

Terminal voltage detection eliminates series current sensors to reduce energy loss and overheating in single phase brushless DC motors.

A birotor power generation device reverses magnetic flux direction through two mobile portions to generate high induced voltage.

Replacing mechanical energy conversion with field-based systems eliminates friction losses while maintaining reliable power generation for vehicles.

A linear vibration motor uses an iron core and coil to generate dual electromagnetic forces.

A non-magnetic sleeve encloses the armature and permanent magnet rings within an electromagnetic actuator.

Resonance actuation rotates optical elements rapidly, resolving the contradiction between high sensing efficiency and compact device size.

A display device uses optical sensing to detect screen patterns for precise motor positioning.

Non-uniform stator tooth distribution balances high step resolution against manufacturing complexity in compact motors.

Radial valve embedding in stepped pistons reduces axial length while maintaining unidirectional fluid flow control.

A vibration motor uses a primary coil to generate an alternating magnetic field that induces current in a secondary coil.

Segmented weights with gap parts reduce vibratory load on elastic components, preventing durability loss from increased feedback strength.

Elastic output shaft contacts buffer member before stator engagement, preventing damage while simplifying manufacturing accuracy.

Temperature sensors and integrated circuits compensate for non-linearity to ensure accurate angular displacement measurements.

Auxiliary magnet guides magnetic field loop through stacked coils to increase driving force factor BL and improve Z-axis vibration performance.

A U-shaped magnetic yoke with four permanent magnets generates oscillating torque through electromagnetic interaction.

Segmented magnet and coil arrays maximize magnetic flux change to overcome low conversion efficiency in single-component harvesters.

A magnetic holder secures a permanent magnet to an optical plate, preventing centrifugal detachment and increasing the scanning angle.

Alternating longitudinal and transverse magnets in a linear vibrator magnet array maximize magnetic field utilization while reducing flux leakage.

A shaftless linear resonant actuator uses blind holes in moving masses to contain adhesive during assembly.

Asymmetric coupling members with distinct spring constants balance uneven loads on reciprocating magnetic blocks, improving driving efficiency.

Inverting coil placement to the housing eliminates internal layout complexity, enabling multi-directional vibration while reducing motor size.

A vibrating motor uses an elastic assembly to suspend two independent members, enabling distinct resonant frequencies within a compact shell.

Segmented coils resolve complexity trade-offs, enhancing Lorentz force and service life in mobile devices.

Shear-deformed gel connection bodies reduce axial size and stress concentration in vibrating actuators.