Mechanical Energy Handling TRIZ Cases

A vehicle drive device directs lubricant from the radial inside to bearings using a communication passage.

Segmenting bearing support between the housing and holder resolves axial load reliability issues.

An actuator control device calculates target relative angles and detects sensor angles to compute angular velocity for precise feedback.

A linear guide positions a permanent magnet to induce bias voltage in a coil winding, ensuring safety function continuity during electrical supply failures.

Pre-calculated voltage sequences eliminate nested loop delays, enabling stable suspension stiffness without inner loop tracking instability.

Strategic hole placement on a drive unit cover ensures gravity-driven water expulsion during vehicle tilt, preventing internal accumulation.

An asymmetric distribution of stator coils and rotor poles reduces harmonic distortion and eliminates the need for an active generator-side converter.

Chambers house commutator brushes and flow channels trap debris, preventing contamination and short circuits.

Integrating the brake into the gear housing simplifies assembly while increasing structural complexity, resolved by using the input shaft as a common reference.

Gear assembly amplifies transducer motion to increase electrical energy conversion efficiency from environmental vibrations.

A bistable actuator uses a spring-loaded rocker arm to switch positions rapidly.

Aligning the rotating portion center of gravity with the shaft joining portion reduces stress on the junction and prevents rupture.

An acceleration generator creates pseudo force sense through asymmetric periodic translational motion.

A linear actuator uses a hollow rotor and non-contact labyrinth seal to maintain air tightness while reducing overall size.

An electric motor drives a flywheel to stabilize rotational speed, eliminating combustion engines for sustainable power generation.

Pivot bearings focus radial forces onto a small surface area at the central axis, reducing friction and noise in personal care device drive trains.

A one-piece plastic ring spring connects magnetic drive components to enable linear oscillation.

Deceleration mechanism stabilizes internal gear via discrete circumferential support parts.

A motor vehicle air inlet adjustment device uses magnetic field detection to monitor drive element motion conditions for precise shutoff positioning.

A swash plate rotates to adjust the linear displacement between the magnetic field generator and armature in an electrodynamic machine.

Segmenting the cavity into partial volumes reduces coolant mass inertia while maintaining efficient heat removal from the laminated rotor core.

Recessed paramagnetic blanks offset rotor unbalance to reduce mass and axial length while avoiding damage from traditional negative balancing methods.

A single-armed brake lever pivots within the stator to constrain the rotor, enabling rapid deceleration of angle grinder cutting discs.

Sectorized stator design allows shaft extraction while maintaining axi-symmetric fields and minimizing magnetic losses.

Axial movement compensation maintains signal accuracy during shaft elongation by restricting relative rotor-stator displacement within predetermined limits.

An oscillatory linear actuator uses a holder and coupling spring to enable perpendicular reciprocating motion of movable bodies.