Mechanical Power Devices TRIZ Cases

See how controlled partition wall roughness (3-20 μm Ra) and optimized hydraulic diameter impro

Heat-induced phase transformation in pre-strained shape memory alloy members releases coupled objects without explosive shock loads or debris damage.

A flexible outer coating improves heat transfer rates to reduce cycle time caused by slow cooling in shape memory alloy actuators.

A honeycomb conversion component uses a graded heat capacity profile to optimize thermoacoustic energy transfer.

A shape memory alloy actuator system uses a resistance control circuit to calculate electric current based on detected wire resistance values for precise position control.

A two-stage actuation method determines priming stimulus levels using a dedicated detection device.

Open-celled TiNi foam reduces cyclic response times by enabling rapid heat transfer via hot and cold fluids.

Direct torque translation via geared coupling eliminates slip errors in position feedback.

PCM sheaths manage heat transfer in thermally-activated assemblies, reducing actuation times and preventing thermal overload.

Coding prevents erroneous wiring and accidental contact in electro-thermal actuators under vibration.

A shape memory alloy wire uses a temperature-dependent loading element to adjust phase transformation temperature.

A shape memory alloy actuator uses base current to hold a pre-actuated state.

Shape memory alloy converts thermal energy to mechanical work for engine startup.

Base current maintains the shape-memory alloy in a pre-heated state, enabling 50 ms actuation while preserving cycle life.