Contact Vibration/Shock Damping TRIZ Cases

A spring-driven linkage replaces magnetic actuators and large reset capacitors to enable reliable vacuum interrupter dropout and automatic reconnection.

Vertical protrusion-groove coupling simplifies DC relay contact holder assembly, improves fit stability, and reduces errors from insert-molded parts.

A staggered main and resistance contact layout with spring-supported dashpots suppresses reignition while cutting breaker weight and parts.

An integrated base leg limits armature jump under impact, protecting springs and contact integrity in vibration-prone relays.

Eddy current damping in a Thomson coil actuator boosts contact opening speed while limiting end-stroke impact and wear in circuit interrupters.

A tapered shaft and spring-biased friction assembly replace bulky shock absorbers and over-toggle parts to improve interrupter damping and scaling.

Eddy current damping lets a Thomson coil drive separable contacts at high speed while reducing impact wear and restrike in circuit interrupters.

A spring-guided dampener and flexible strap absorb closing impact in a vacuum interrupter to reduce contact bounce, arcing, and welding.

Parallel terminal contacts simplify heater-resistor mounting and keep the temperature switch open until full power disconnection.

Integrated ribs, posts, and a base leg limit armature overtravel under shock, preventing spring deformation and relay malfunction.

A base leg acts as an armature stop under impact, limiting overtravel to prevent spring deformation, resonance faults, and arc-related malfunction.

A shared damping mechanism controls contact spring contraction during tripping, improving multi-electrode breaking performance with less complexity.

An integrated base leg limits armature jump under shock, protecting relay contacts and springs from deformation while preserving contact force.

A base leg contacts the yoke to stop armature jump under impact, protecting springs and contacts from deformation in vibration-prone relays.

A helical drive and driven gear convert actuator motion into clear open/closed contact indication that withstands high recloser actuation forces.

Repeated coil energizing and de-energizing creates mechanical shocks that free welded contactor contacts and restore vehicle operability.

A spring- and dashpot-supported resistance contact shortens contact spacing to suppress reignition, overvoltage, weight, and parts.

A flat resistor mounted directly on parallel terminals simplifies self-holding switch assembly, avoids terminal bending, and cuts connection cost.

A rigid connecting component stabilizes the spring and thermal switching element, enabling automated assembly and reducing arcing risk.

A rigid connecting component links the spring and switching elements to improve switch stability, reduce assembly damage, and enable automation.

A lever arm rebound brake slows the contact bridge during short circuits to prevent re-contacting, welding, and isolation failure.

A coaxial dual-shaft spring mechanism completes earthing switch closure independently, reducing operator delay and electric arc risk.

A gear-rack damper and spring latch replace bulky hydraulic lifters, cutting size, easing assembly, and avoiding oil pollution in 3C products.

A modular support and clamping structure secures vacuum bottles against fault-event stress and vibration in medium-voltage contactors.

Sliding guide rods and sheath parts keep a compression spring aligned, reducing stress, deformation, and wear in control mechanisms.

Pivoting masses and friction brake a fast contact-opening shaft, dissipating kinetic energy to prevent interrupter damage.

Nested inner and outer springs in the switchgear contact drive absorb impact and stabilize pressing force to suppress chattering and contact bounce.

Multi-point protrusion-groove coupling lets a DC relay movable contact assemble in one direction while maintaining stable holder engagement.

A helical drive and driven gear let a switchgear indicator track open or closed contact position without taking full recloser actuation force.

A switching device uses a kinematic chain and control means to manage movable contact positioning.

A high-speed switch actuator uses a permanent magnet to drive contact separation and a shock absorbing portion to cushion closing impacts.

Elastomer shock absorber merges damping and return functions to reduce component count while maintaining vibration isolation.

A circuit breaker stop mechanism holds main contacts open while secondary contacts power a test circuit to verify electronic component functionality.

Elastic members between the moving core and fixed core attenuate collision noise while maintaining contact pressure.

Ring-shaped arcing gas channel with large cross-section moves gases from interrupter arc gap.