Sparking Plugs TRIZ Cases

Porous intermediate layer with controlled holes absorbs thermal expansion mismatch, preventing chip peeling and deformation during high-temperature operation.

A spark plug ground electrode uses separated noble metal tip members to distribute discharge paths and reduce localized wear on the Ni-based base.

A spark plug electrical connection part uses a composite conductor to establish reliable current flow between the center electrode and metal terminal.

A spark plug insulator uses controlled alumina sintering to enhance dielectric strength under high temperatures.

Nickel alloy electrodes with specific silicon and rare earth content improve heat conduction to reduce pre-ignition caused by overheating.

A spark plug ground electrode incorporates a high thermal conductivity core portion to manage heat distribution within the component.

Optimizing the electrode-to-space volume ratio below 0.25 reduces heat loss in the auxiliary combustion chamber, improving ignition reliability.

Alumina-based sintered material insulator with controlled glass phase composition and nanoscale crystal grains prevents high temperature breakdown.

A laminated structure with a projection spacer maintains vacuum during laser irradiation to remove organic layers from auxiliary electrodes.

Annular seal member applies unbalanced load to metallic shell diameter-reducing portion, maintaining airtightness between metallic shell and insulator.

A spark plug ground electrode features a radially bent extension with an inner slant portion to extend the spark travel path downstream.

An acoustic sensor detects spark sound waves propagating through an igniter rod, preventing dangerous raw fuel ignition from undetected no-start conditions.

A spark plug ground electrode features a flexed tip projecting from the front end face to maintain an optimal spark discharge gap.

A shuttle electrode moves within a lamination cavity to inject a pilot charge into the combustion chamber.

Test tool measures fuel collected at the semiconductor face to identify a positioning zone that prevents excessive fuel coverage and extends plug lifespan.

Dual-plug test engine eliminates dielectric fluid constraints to measure breakdown voltage under realistic thermal and electrical loads.

A high-frequency emission plug isolates the outer conductor from the casing to transmit electromagnetic waves without electrical contact.

A coil-on-plug ignition terminal uses an overlapped and overlapping member configuration to couple with spark plugs.

A spark plug ground electrode inner layer conducts heat from the noble metal tip to improve durability.

A connector plug protective tube features predetermined bending points that allow easy manual shaping for various engine geometries.