Sparking Plugs TRIZ Cases

A spark plug insulator supported by a main fitting with specific intervals reduces bending moments on the component.

Segmenting the prechamber into a larger gas-tight back part displaces residual gases, ensuring undiluted fresh mixture at the spark gap.

Radial fins on the igniter housing maximize surface area for convective cooling, preventing overheating and fatigue in high-voltage gas turbine engines.

Segmented anode and cathode check lines connect to a power contact block, enabling power-on testing without extending leads from integrated circuit pins.

A flame-ejecting spark plug uses a cavity and holes to form columnar flames that penetrate the combustion chamber for stereoscopic ignition.

A spark plug integrates a voltage relief feature to discharge excess current before reaching the ceramic insulator dielectric strength.

Acute or right angled ground electrode protrusions constrain electric field intensity to prevent spark movement toward base material and suppress re-discharge.

Reduced clearances between the spring and boot wall prevent lateral vibration, allowing optimal spring constant settings for complex cylinder head layouts.

Dispersing MgAl2O4 spinel and SiO2 glass phases within an alumina matrix provides alkali corrosion resistance while maintaining withstand voltage properties.

A forced push-pull inverter generates high-frequency alternating voltage to sustain ignition arcs across spark plug gaps.

A control system detects spark plug fouling by measuring ignition coil primary current during restrike events.

A copper-nickel gasket with controlled hardness resolves gas-tightness and loosening contradictions in spark plugs.

A spark plug design optimizes metal shell volume and thermal conductivity to balance heat storage and dissipation in the pre-chamber.

Segmented central electrodes create multiple discharge paths, resolving lean burn misfires by boosting ignition reliability and combustion speed.

Funnel-shaped input pole piece with multiple penetration holes enhances air exhaust conductance in magnetrons.

A spark plug center electrode features a recess at the collar portion filled with conductive seal material to increase contact area.

Optimizing the ratio between auxiliary chamber volume and through hole area regulates flame jetting speed to prevent misfire caused by excessive heat loss.

Segmented ball studs and sockets resolve the contradiction between reliable power delivery and ease of component removal while hiding wiring.

Reverse bias voltage repairs organic EL pixel short defects, while subsequent forward bias testing prevents heat-induced swelling from causing re-shortening.

Segmented insulator tip grooves intercept soot accumulation, preventing conductive paths and electrical shorts.

A spark plug ground electrode carrier supports finger-shaped electrodes within a combustion chamber wall to conduct current and dissipate heat.

Laser-welded iridium rivets on a nickel base maintain sharp edges, resisting thermal erosion and corrosion during ignition.

Shorting ignition coil primary winding inductance reduces signal attenuation, enabling accurate knock detection despite high-energy ignition requirements.

Guide step portions on a spark plug standing member correct radial flow angles, resolving insufficient ignition performance from poor mixture alignment.

Buffer layers cushion absorbent material expansion, protecting organic light-emitting diodes from mechanical stress while enabling a thinner, lighter design.

Segmenting the ground electrode into two spaced sections increases total consumption area while improving flame propagation for extended service life.

A retractable ignition rod advances through a shutoff valve to discharge sparks inside the combustor.

Optimized crimped lid geometry enhances the holding force on the spark plug insulator.

Optimized pre-chamber surface area ratios balance heat storage and dissipation to suppress pre-ignition and misfires.

A nickel undercoat layer prevents hydrogen embrittlement during zinc plating, maintaining electrode strength while ensuring rust resistance.

Hot-locked shell welding joins the tubular extension to the metallic shell, resolving mechanical joint strength issues in field-assembled extension spark plugs.

A spark plug center electrode with a multi-layer construction and sloped insulator front end face extends the creeping distance for improved flashover resistance.

A test apparatus for liquid crystal displays integrates light emitting diodes and a heating nozzle to simulate operational conditions.

A shuttle plunger ignition device captures exhaust gases in a dedicated chamber to enhance combustion stability.

A spark plug seal member uses non-uniform thickness to create distinct contact points that generate higher friction during installation.

A ground electrode featuring a flat region distributes thermal shock vectors evenly to prevent grain defect formation in direct injection engines.

Angled insulator firing surface concentrates corona discharge toward the piston, resolving unstable combustion caused by dispersed electric fields.

Compliant glue seals insulator interfaces in corona igniters, eliminating air gaps that cause unwanted corona discharge and material degradation.

A multi-electrode spark gap fuel injector positions conductor ends radially and axially within the dispersed fuel stream to generate electrical discharge.

A spark plug design uses a stepped ledge on the metal shell to compress packing against an insulator step, establishing a secure gastight seal.

A spark plug tip alloy with optimized Ir, Rh, Ru, and Pt content resists oxidative consumption at high temperatures.

A spark plug ground electrode uses a copper-rich fusion portion to conduct heat from the tip to the inner layer.

A compound semiconductor black matrix blocks external light in non-emission regions of an OLED display.

A spark plug nugget joins the intermediate member to the electrode base metal via fusion and solidification.

A shielded spark plug extender connects standard electrodes to secondary leads via a flange and retainer system.

A spark gap assembly uses magnetic decoupling to secure the electrode head.

Adjustable electrode assembly mitigates arc flash damage by using an intermediary retention mechanism to release electrodes before peak energy release.

Reducing spark plug diameter compromises seal integrity. Optimizing seat hardness to 250 Hv or less prevents deformation and maintains gastightness.

A spark plug center electrode with a space-forming portion and thin insulator wall prevents discharge penetration through axial spacing.

Electromagnetic fields ionize and accelerate fuel particles, enabling rapid combustion completion that reduces nitrogen-based emissions.