Ammunition Fuzes TRIZ Cases

Rotatable striker mass ignites pyrotechnic material via inertial force, reducing thermal battery volume while maintaining safety.

A torsion spring inertia igniter uses a pre-loaded striker to initiate pyrotechnic materials upon detecting all-fire conditions.

Electronic discharge machining replaces expensive MEMS processes to manufacture high-reliability, low-cost arming sliders with adjustable parameters.

A cutting charge severs the explosive shell to couple a pressure wave into the active mass, triggering deflagrative conversion.

A polymeric subsonic cartridge uses a propellant insert to reduce internal volume, resolving inconsistent burn caused by empty space.

Tilting locking fingers eliminate flyweight friction during storage, ensuring reliable arming delay in medium-caliber projectiles.

Sensors at the subdetonative ignition output feed a control device that evaluates pressure, temperature, or light signals to enable the detonator circuit.

Raised patterns on substrate layers reduce contact area between mobile parts and MEMS safety device components.

A mechanical arming device uses a cantilever delay unit to resist centrifugal force on a mass body, securing safe detonation timing.

A polymeric subsonic ammunition casing incorporates a nested propellant insert to reduce internal chamber volume.

Distal ignition via a segmented guide channel prevents propellant ejection and unburned grains while maintaining chamber pressure.

Segmented channels route primary flame to multiple secondary charges, reducing required energetic material volume and improving ignition reliability.

A compact inertial igniter uses a ball and groove mechanism to bias a striker mass against accidental activation.

Movable interrupter with apertures blocks explosive trains via solenoid actuation, preventing unintentional detonation of energetic components.

A micro-machined screen interrupts the pyrotechnic initiation chain using MEMS actuation.

Angled channels in the retaining ring dissipate pressure, preventing disk failure and enabling safe thermite ignition.

Segmented propellant chambers withstand 190 MPa pressures via burst diaphragms, preventing weapon damage from high-velocity launches.

A munition controller manages fuzing states through discrete operational modes.

Segmented inertial screw and slide mechanisms prevent accidental detonation by responding to rotational centrifugal forces during ammunition storage.

Relay charges control ignition timing independent of inconsistent microbead flow, ensuring reliable main charge activation.

A polymeric subsonic ammunition casing incorporates a nested propellant insert to reduce internal chamber volume.

Segmented polymeric cartridges resolve weight and strength trade-offs by combining specialized components to ensure consistent pressure containment.

Segmented retaining rings enable rear propellant loading while the elastic washer maintains connection flexibility during assembly.

A polymeric primer insert features a convex transition region to secure bullet seating and ensure consistent ignition pressure.

A weapon fuze flange secures the sensor to reduce mechanical vibration transmission.

Nested safety and striker mechanisms reduce igniter volume while ensuring reliable ignition under specific acceleration profiles.

A polymeric primer insert features a convex transition region to enhance bullet pull force and structural integrity.

Score line and adhesive lock primer to prevent enemy reloading.

A polymer ammunition primer insert uses a convex transition region to enhance bullet pull force and structural integrity.

A micro-initiator integrates a pyrotechnic initiation means on a substrate layer with a movable screen actuated by internal gas pressure.

Axial locking mechanism snaps projectile fuze interrupter into armed position, preventing over-ignition in small-caliber designs.

A MEMS sequencer uses a mobile barrier and movable member to control channel release through mechanical displacement.

A projectile fuze safety device uses an acceleration sensor to detect weightlessness and output a release signal for arming.

Two independent securing devices lock a barrier in a fuse safety unit, preventing inadvertent ignition energy transfer while reducing device complexity.

Channels link separate ignition means to trigger simultaneous multi-sided combustion, eliminating delays caused by single-side ignition geometry.

A compound shell casing combines an aluminum outer member with a steel inner liner to reduce weight by 12-60% while maintaining structural integrity.

A fire control device transmits modulated optical signals to program projectile fuze circuits in flight.

A multiple-charge cartridge uses a rotatable selector ring to align specific explosive charges with a primer.

A rotatable silicon transfer charge carrier aligns a porous explosive passage to enable or interrupt the detonation train in safe and arm devices.

An annular ring and concave geometry retain the primer in a high pressure rifle cartridge, preventing rupture under 75,000 psi firing pressures.

Segmented screen elements reduce device mass while maintaining reliable pyrotechnic chain interruption.

Propellant gases actuate shear collar bolt to release locking pin, preventing unintentional activation during transport.

A slideable shielding member repositions to isolate the initiator within a non-detonating cartridge.

A firearm cartridge integrates a signal receiver within the primer assembly to detect electromagnetic or acoustic disablement signals.

Micro-machined breakable tongues link a shutter to a substrate, releasing the lock under axial inertial stress to eliminate bulky mechanical components.

A transistor cascade circuit rapidly discharges high-voltage capacitors, reducing disarmament time from seconds to milliseconds for active safety systems.

A rotor sleeve held by a spring prevents premature primer alignment until longitudinal acceleration triggers a flyweight lever mechanism.