Ammunition Fuzes TRIZ Cases

Cold forming the extraction groove before the case-jacket receptacle improves groove accuracy, holding force, and extraction reliability.

Forward ignition near the projectile controls propellant burn for high acceleration while keeping chamber pressure within safe limits.

Cold forming the extractor groove before the case-shell receptacle improves groove accuracy, holding force, and extraction reliability in mass production.

A metal powder and binder MMC end cap cuts cartridge case weight while preserving the strength needed for ammunition production.

A modular electronic safe-arm kit replaces legacy mechanical fuzes to convert existing munitions into UAS payloads with programmable initiation.

A stabilizing disk splits the propelling-charge cavity to keep long artillery shells stable while preserving charge capacity and range.

A thrust post, combustion chamber, and pre-configured cartridge assembly prevent bore shifting to improve projectile firing reliability.

A powder-granule-filled channel enables flash-through deflagration, spreading ignition and reducing gas pressure oscillations.

A thermite primer helps a polymer ammunition casing maintain pressure curves while easing manufacture and protecting rim and neck function.

This case shows how a rotary toggle crosses a singular position to address drop and spin safety in compact inertial igniters.

A two-piece primer insert with a flange enables polymer overmolding to bond cartridge components securely.

Segmented cartridge chambers attenuate peak pressures via venting holes, ensuring complete combustion and consistent muzzle velocities.

A circumferential restraint holds deployable flight control surfaces on an airborne munition until an explosive pin retracts to permit radial expansion.

A tubular switch mechanism employs a g-weight that moves under threshold acceleration to close an electrical circuit, ensuring reliable arming of projectiles.

Radial flame deflection via a segmented bushing reduces peak pressure and increases muzzle velocity in light weapon cartridges.

A rotating detonator aligns its internal path to initiate an explosive train upon receiving a signal.

A separating device with a sharp-edged piston shears the supply line during firing.

A reversible airbrake uses a twist shaft to extend and retract brake surfaces along the projectile axis.

A MEMS safety device employs a flyweight with a straight groove and fixed guide pin to prevent transverse deflection during logistics.

Segmented primer inserts nest together to align apertures, resolving manufacturing precision issues in polymer ammunition production.

Dual ignition devices control explosive charge reaction fronts to scale fragmentation velocities and blast pressure.

Composite steel sleeve and aluminum base reduce cartridge weight and cost while maintaining strength and corrosion resistance.

Multi-axis actuators reposition the setting device to reduce volume while maintaining accuracy in confined naval spaces.

A projectile fuze timer counter uses a pyrotechnic force element to mechanically block the safety and arming unit until the programmed time of flight is reached.

A fuze setter adapter bridges incompatible interfaces using internal electronics to convert data and power between legacy setters and next generation fuzes.

Cartridge with segmented chambers and regulated orifice controls gas flow for projectile propulsion.

Inertial sensing MEM safe-arm devices use a mechanical pathway to move a sense mass, preventing unintended arming during abnormal acceleration events.

A munition fuze uses a mechanical safety assembly to provide redundant physical barriers between the energetic and electronic initiator.

A density gradient booster pellet delivers controlled shock impulses to initiate insensitive explosives.

Inertial mass and centrifugal sensing replace complex electronics to ensure precise timing while maintaining mechanical obstruction.

An electronic securing device uses programmable logic and a time delay to filter interference signals before activating an energy supply.

An intermediate voltage generator and detector control arm switches using low voltage signals.