Emergency Springs TRIZ Cases

Varying spring force across outer and center movers counters electric repulsion, keeping breaker contacts stable without reducing durability.

Dual switch contacts and a retractable fuse module contain DC arc energy, limiting contact wear in compact high-energy disconnects.

An insulating opening lets the return spring be inserted and visually checked, simplifying relay assembly while keeping the relay compact.

A split movable contact mechanism uses spring-biased and actuated contact pieces to stop chattering, reduce slippage, and stabilize switch timing.

Upper and lower yokes offset contact repulsion in a DC relay mover assembly, helping maintain stable contact pressure and power transmission.

A magnetic yoke pair and contact pressure spring counter contact repulsion in a DC relay, preventing unintended separation.

Non-aligned slots and a high-rate armature spring cut solenoid release time below 2 ms by disrupting eddy current paths.

A self-resetting current limiter uses dynamic forces to separate movable contacts and restore the closed position via compression springs.

A lever assembly extends through biasing elements to increase tension and accelerate contact separation in electrical switching apparatus.

Integrating a slide-based locking mechanism into the switch handle prevents accidental startup while maintaining ease of operation for prolonged use.

Conical spring accommodation hole guides barrel compression coil spring into position, resolving alignment difficulties and improving manufacturing efficiency.

Segmented contact housings resolve maintenance difficulties in high-voltage transformers by allowing independent replacement of worn contacts.

A relay design moves the armature vertically to actuate contacts via an insulating element, reducing width to fit narrow terminal blocks.

Plastic injection molded housing reduces vehicle power relay weight and manufacturing costs while maintaining torsional stability.

An integrated pressure trip device positions the shooter off-axis to direct arc gas efficiently while preventing external discharge.

A toggle switch actuating mechanism uses a spring to bias the lever into position.

Independent conductive blades with extension springs balance contact force to reduce uneven erosion in molded case circuit breakers.

A U-shaped connecting heater links adjacent interruption units inside the outer casing of a DC circuit breaker.

Separate contact bridges use a higher melting point auxiliary pair that opens after the main pair to absorb arc energy, extending make-and-break cycles.

A circuit breaker integrates a moveable contact arm into the linkage assembly to simplify structure and reduce part count.

An air-permeable hydrophobic vent manages condensation in the housing while a cushion spring prevents tensile stress on braze joints.

Intermediate volumes in an electrical switching device create exhaust gas jets that impact opposing walls to enhance turbulent heat transfer.