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
System for detecting the operative strokes of an internal...
System for hot testing engines
System for measuring crank angle for internal combustion engine