Emergency Protective Devices TRIZ Cases

A fuse uses a parallel high-resistive material to divert current flow during overcurrent conditions.

Asymmetric housing notch guides correct fuse insertion while insulating protrusion blocks persistent electric arcs between connecting portions.

Trenches in hollow fuse bodies increase solder surface area, resolving tight tolerance constraints that limit connection reliability.

A fuse assembly integrates a light-emitting diode into its body to provide visual status indication.

A plastic block mechanically joins a metallic threaded bolt and locking pin to hold an electrical fuse.

A multi-load fuse block integrates multiple fuse slots and conductive wires to protect automotive electronics from overcurrent.

Segmented fuse elements in fixed enclosures reduce servicing difficulty while maintaining spark protection.

Notched hollow fuse bodies form cavities that allow solder to flow around fusible elements, resolving tight tolerance issues.

Fuse design with terminals extending from a protective metal enclosure facilitates servicing in hazardous environments while maintaining explosion protection.

Segmented socket indentations align the fusible body to resolve unstable positioning during assembly, ensuring reliable current response.

A projecting portion inside the fuse cavity creates a gap between the housing and the inner bottom face.

A locking member with abutting portions prevents separation of the first and second bodies under torsional force.

Polyphenylene Sulfide housing contains arcs and blocks particles to prevent electrical circumvention and component damage.

Segmented heating and fusing portions resolve the trade-off between compact size and high breaking capacity in 48V battery systems.

Pre-cured silicone inner members and melamine outer members clamp fusible elements via mechanical fasteners, eliminating ambient air curing delays.

An elastically deformable connection portion in a fusible link locking member adjusts arm positions to absorb installation tolerances.

A laminated fuse element with a segmented current path enables rapid blowout properties while preventing explosive scattering during interruption.

A fuse structure uses coupled parallel lines in adjacent conductive layers to lower resistance while maintaining one-dimensional metal process design rules.

A measurement module for a fuse block base integrates an analog-to-digital converter to digitize current signals.

Axially extending slots in the adapter compress around IEC fuse terminals to resolve heat dissipation issues while maintaining overload indicator visibility.

Interlock mechanism controls neutral switch sequencing during power transfer, preventing backfeeding and ensuring stable voltage delivery.

Inclined guide wall directs fuse cover attachment, preventing positional deviation and unintentional detachment during assembly.

A fuse base terminal apparatus combines a conductive copper bar with integrated bolt and nut mounting points for versatile cable attachment.

Slip-fit terminal elements rotate relative to fuse element ends, absorbing bolt torque to protect fragile fusible sections from mechanical damage.

Segmented insulating shells simplify automated assembly and reduce production costs for miniature fuses.

A high-voltage fusing apparatus uses parallel current-carrying and series temperature fuses to disconnect power.

Offset layered fusible link structures minimize heat transfer between adjacent fuse circuits, maintaining reliable fusing time in compact automotive housings.

An integrated fuse module mounts directly to an automotive battery terminal using a compact mounting block and conductive terminal post.

Segmented interrupt wires melt selectively to isolate overcurrent faults, preventing voltage drops and maintaining operation of unaffected circuit blocks.

An electric vehicle fuse uses an overhanging contact blade to seal directly against a bushing, eliminating end covers and adapting to limited mounting space.

Segmented holders with pivoting shuttles resolve the contradiction between accommodating multiple fuses and maintaining safe access to hot power lines.

Terminal vent channels formed in metal terminals provide precise debris outgassing paths, preventing conductive paths across terminals after a break.

Curved electrode plates engage the fuse line circumferential surface to enlarge contact area, preventing solder jamming of vent holes that causes explosions.

Directly coupling power terminals via removable cartridge eliminates intermediate busbar, enabling higher density installation and reducing costs.

Alternating narrow sections on a fuse strip optimize heat dissipation to reduce breaking times for intermediate fault currents.

Integrating a resistive element limits inrush currents that weld contacts and age equipment while maintaining overcurrent protection.

Half-fitting prevention projections guide the resin cover to a proper fitting position, eliminating half-fitting states without adding detection units.

A rockable switch device uses a driving body to press contacts at high speed through optimized rotating portions.

Winding fuse wire around a nonconductive bridge element allows larger diameter wires for automated assembly, preventing breakage during mass production.

An airtight surface mount fuse seals its inner cavity to isolate the fusible element from external environments.

Segmented fuse assemblies allow individual stud replacement via flexible locking arms, reducing maintenance downtime and material costs.

A fuse installation method ensures secure mechanical connection before current flow.

Permanent magnets in a high-voltage fuse generate Lorentz forces to repel fusible elements and extinguish arcs, eliminating bulky constrictions.

A fuse tube uses an inorganic insulating body and external plastic reinforcement to absorb radial forces during operation.

A fuse structure clamps light emitting element pins between elastic conducting portions and a top plate to secure electrical contact.

Segmented shield design prevents inadvertent activation yet permits intentional toggle operation via removable tabs.

A snap-on locking device secures toggle light switches using a planar torque arm and tapered locking members that engage switch plate interstices.

A fuse assembly clip surrounds a bus bar leg to retain a fastener, eliminating loose hardware risks during aerospace installation.

A fusible link shifts heat concentration away from the fuse portion using a low melting point metal chip.