Snap-fit sensing apparatus

SOC signal analysis

Solid propellant measurement system

Spark plug microwave adapter

Spark plug port compression cap

Spark plug with a measurement device

Spark plug with measuring means

Spatial frequency implemented digital filters for engine misfire

Speed and torque sensor for hydraulic motor

Speed-related indication comparisons in internal combustion engi

Stall/debris discriminating ionic engine diagnostics

Stroke discriminator for an internal combustion engine

Structure for mounting angle sensor of multicylinder engine...

Sub-cyclic measurement of speed of an internal combustion engine

Sub-cyclic measurements of speed and time for internal combustio

Sub-cyclic speed and cyclic time measurements for internal combu

System and method for detecting misfire in an internal combustio

System and method for filtering a misfire detecting data stream

System and method for processing test measurements collected fro

System and method for testing an engine