Mechanical Energy Handling TRIZ Cases

Reciprocating magnetic pistons and vapor-driven cylinders generate electricity with cushioned rebound, reducing noise while keeping power portable.

A torsionally stiff tubular bearing housing shifts misalignment handling from roller bearings to compact ball bearings, cutting screed drive maintenance.

Dual temperature sensors at different radial positions separate coil heat from bearing heat for more accurate bearing defect detection.

An electromagnet-driven brake pin engages a shaft groove to cut fan inertial rotation without extra braking circuits or PCB redesign.

Parallel coil units let damaged stator coils be replaced individually while lowering inductance for faster maglev bearing control response.

A common coolant links motor and transmission passages to simplify drive unit cooling while preserving heat removal and vertical air discharge.

A frame-mounted motor pinion meshes with rubber tire teeth to cut wheel mass, simplify rear-wheel removal, and avoid rim pebble trapping.

An elastic O-ring fixes and positions the Hall board on the end plate, cutting assembly cost while allowing easy removal.

A rigid fixation element separated from the seal keeps the motor watertight while reducing vibration and preserving stroke transfer efficiency.

A tangential slider rotates a magnet to create time-varying flux, improving voltage generation despite inverse-cube magnetic field limits.

User-driven generation replaces braking devices to keep workout resistance consistent while routing power to storage or real-time use.

Sliding piston-stator contacts enable rapid capacitor discharge and strong magnetic acceleration while reducing waste heat in hand-held setting tools.

An electromagnet-driven brake pin engages a shaft groove to cut fan inertial rotation without extra PCB braking circuits.

Piezoelectric ceramic rotation replaces magnetic actuation to widen aperture adjustment range and avoid electromagnetic interference.

Standardized torque support and attachment interfaces let gear units, coupling devices, and shafts be mixed for faster, lower-cost transmission assembly.

A static magnetic field aligns the machine rotor before press-fitting a keyless resolver rotor, cutting tolerance-chain error and sensing inaccuracy.

Hydrodynamic surfaces and hydrostatic pockets stiffen rotor support, helping compact electric motors withstand shock and vibration.

Angled magnets and coils split Lorentz forces into perpendicular motion, giving a linear vibration motor stronger two-direction haptics.

A stepped rotor inner diameter lets the shaft projection engage a gear without extending motor length, keeping the e-bike drive unit compact.

A convex-concave exhaust layout lets same-plane cooling fans cut airflow interference, improve heat dissipation, and keep motor size compact.

Mounting the rotation parameter detector on the shaft tip outside the housing reduces vibration interference and simplifies maintenance.

A fan that radially surrounds a flywheel boosts BLDC motor inertia and torque while preserving compact cooling in hand-held power tools.

Electromagnetic compression and rolling traction replace hydraulics and gearboxes to deliver compact, rugged high torque with lower maintenance.

An abutment on the shaft engages the frame at a set travel limit, redirecting drop forces to protect personal care drivetrain components.

A ramp mechanism converts rotary input into linear brake force, enabling an independent, robust parking brake in a wheel hub drive.

Real-time electromagnetic feedback holds bicycle trainer resistance steady despite heating while using self-generated power from concentric coils.

An inline-triggered pendulum magnet harvests motion through electromagnetic induction to power battery-free wireless switching.

Pre-loaded annular magnets boost flux change in an oscillatory generator while limiting core size, saturation risk, weight, and cost.

A shared box assembly with a ribbed mounting plate combines motor and transmission to cut drive-unit bulk, weight, and mounting complexity.

A serpentine blocking element guides cooling gas through the rotor winding head, cutting flow demand while avoiding the air-gap gas barrier.

A driver section stores expansion-stroke energy to power the next piston stroke, enabling continuous free-piston engine operation without net electrical input.

A rotor-fixed spring and guide structure prevents vibration surging from contacting the shaft, reducing wear and bearing contamination.

An integrated supply and collection flow path cools the motor from the transmission housing while reducing parts, weight, and assembly complexity.

A base-mounted battery keeps weight low and clear of the moving drill support, improving drilling stability without losing motor power.

Controlled polarizer motion balances magnetic repulsion and attraction to sustain continuous module movement without uncontrolled force loss.

A ramp mechanism converts rotary motion into parking force, giving wheel hub drives a simple, robust brake for secure parking and emergency hold.

A common support piece lets motor and reducer housings be centered and machined in one setup, reducing spline interference and bearing wear.

Sensors trigger coil collapse at precise rotor angles to generate power peaks while reducing friction, rotor braking, and heating.

Active and passive magnetic bearings stabilize a flywheel rotor in unstable settings, cutting friction and avoiding contact damage.

Arcuate groove groups pump dielectric oil through the support shoe to improve lubrication, limit overflow, and keep submersible motor seals tight.

A spigot-fitting interface improves centering between the motor, base, and screw mechanism to raise assembly accuracy and balance loads.

Coaxial coil arrays and belt-driven ferromagnetic masses improve torque balance and current induction in a recirculating linear generator.

Inwardly tapering walls and access channels capture aircraft or engine thrust and direct it into a power source without disrupting operation.

A metal bearing pot and containment can route ball-bearing heat into the motor housing, improving cooling in compact high-speed motors.

Segmented covers and seals block water from the central gear area, protecting the motor yoke and connector in sunroof motor assemblies.

Extended shafts, coupled flywheels, and weighted turbine arms boost centrifugal force for bidirectional power generation and wind backup.

A gravity counterweight replaces spring-loaded treadles to cut wear and friction while harvesting vehicle motion for power generation.

Segmented motor and transmission housings cut EV drive weight and simplify assembly while preserving sealing, lubrication, and cooling.