Blasting Cartridges TRIZ Cases

Buffer member modifies detonation shock wave to propel flyer, preventing spalling from high tensile stresses.

An autonomous pyrotechnic igniter simulator replaces complex validation hardware by using a microcontroller to dynamically switch an impedance block.

Deflagration ignition eliminates detonation risks in rock cracker cartridges, enabling safe transportation and handling.

A detonation system uses a dart to seal the tandem sub and protect internal electronics from wellbore fluids.

Grooved conductive pins join flexible plastic cells, resolving manufacturing cost and modularity trade-offs.

Switch closes within 5 microseconds of detonation to intercept excess current, preventing electrical overload on the housing assembly.

Mold material injected into the annulus seals and insulates the signal bar, isolating pressure between perforating guns while ensuring reliable detonation.

A bridged bulkhead assembly connects signal and detonator pins to secure electrical connections within a perforating gun.

Impedance measurement identifies pin polarity to eliminate costly X-ray projection and prevent electrode misconnection.

Vents in the floor allow air and water evacuation during insertion, preventing misfires caused by trapped fluids in water-filled boreholes.

Partial nickel coating on feedthrough pins achieves hermetic sealing and corrosion resistance without bimetallic materials.

A wireless electronic initiation device activates detonators via radio signals and stored energy.

Non-closed zones of weakness on the initiator side wall allow controlled flame exit while maintaining structural integrity and preventing particle expulsion.

A shaped feed-through element uses a soldered connection to fix metal rods within access openings for reliable electrical conductivity.

A pyrotechnic emergency opening drive uses expanding gas to pivot an aircraft passenger door.

A plastic connector block integrates a linear explosive charge and delay device to initiate receiver tubes via shock wave transmission.

A primer cap integrates a resistance bridge and conductive pole piece to enable electrical initiation of small-caliber ammunition.

Rigid combustible cartridges in a modular charge container reduce human error during assembly while ensuring uniform explosive output.

Electrically operated propellant initiators replace inert barriers to reduce projectile weight while enabling individual ignition of propellant charges.

A dual antenna electronic detonator selects the strongest signal from upper and lower modules to maintain stable wireless connectivity.

Segmented components and intermediary structures reduce fabrication complexity while ensuring hermetic seals for high shock load environments.

A detonator positioning device aligns wireless detonator components within a perforating gun housing to establish reliable electrical connections.

A segmented ignition device integrates two thin metal layers separated by an insulating plastic film to create a compact high-voltage switching structure.

A metal ejector cup uses a narrow through hole to concentrate stress and enable controlled cleavage of the outer shell.

Bursting switch vaporizes a bridge to expel flyer material, integrating switching capabilities without increasing device footprint.

A bi-metal triggering element uses a shape memory alloy sleeve to break a metal pin at a specific temperature threshold.

A non-pyrotechnic squib uses a sublimable wire to ignite steel wool for reliable flame generation.

An inert sealer element isolates the delay train from pressure fluctuations, ensuring consistent timing reliability in pyrotechnic systems.

An annular charge cannister generates gas pressure to drive mechanical components within a downhole tool assembly.

Embossing and shaving the igniter base eliminates weak weld seams, increasing load capacity.

A flying object igniter uses a calculation unit to compare abnormality and flight state detection results against thresholds before energizing the ignition circuit.

Automated dipping replaces hazardous manual application, ensuring precise pyrotechnic composition coating while eliminating worker exposure risks.

Replacing mechanical parts with a doped silicon bridge circuit reduces initiator size while maintaining reliability through efficient plasma formation.

A multidirectional explosive disruptor system propels working liquid at high velocity to neutralize hazardous devices.

A flexible container shell filled with an explosive mixture detonates to generate shock waves that dislodge stubborn deposits from container interiors.

Bulkhead segmentation prevents output charge fragments from migrating onto the flyer, ensuring consistent detonation initiation under vibration.

Lateral retaining projections secure connecting lines within igniter supports for gas generators.

Segmented explosive charges in a threaded canister resolve the contradiction between reliable detonation and rapid stockpile disposal speed.

An NFC-enabled safety pin exchanges identification data to pair detonation controllers, preventing unauthorized activation while maintaining mechanical safety.

Segmented modules and simplified connectors reduce human error during wellbore perforating gun assembly while preventing unintentional detonation.

Controlled gas expansion from ignited propellants creates predictable fractures while fluid-repellent coatings prevent formation damage.

Piezoelectric actuators drive munition control surfaces via gas-generating charges, reducing power requirements while maintaining high actuation force.

Merged cap well and fixture prevent dislodgement during lowering, simplifying assembly.

An initiator module couples with a munitions control system to electronically ignite an exploding foil device.

A resistorized detonator circuit uses a spark gap and shunt capacitors to insulate the electric match from stray voltage.

A slapper detonator barrel incorporates an optical waveguide for spectroscopic monitoring of explosive material degradation.

A low energy explosive transfer adapter uses a shear pin to mechanically fail at a threshold force and release a firing pin.

A combustible sleeve and annular protrusion retain the igniter within the propellant of a downhole power charge.

Embedded heating element ignites downhole power charge directly, eliminating separate igniters to reduce tool complexity and stress.