Dynamic ignition testing system having individual neon indicators and a selectively connected neon indicator and variable gap across the spark plugs

Claim 1

A DYNAMIC TESTING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF THE CHARACTER HAVING A PREDETERMINED PLURALITY OF COMBUSTION CHAMBERS EACH HAVING AN IGNITION SPARK PLUG DISPOSED THEREWITH, SAID TESTING SYSTEM COMPRISING: A PLURALITY, EQUAL TO SAID PREDETERMINED PLURALITY, OF IGNITION SIGNAL MONITORING NEON LAMPS DISPOSED IN AN ARRAY ON AM OPERATOR''S PANEL, A LIKE PLURALITY OF FIRST CURRENT LIMITING MEANS SHIELDEDLY INTERCOUPLED BETWEEN EACH OF SAID SPARK PLUGS AND A RESPECTIVE ONE OF SAID LAMPS, A CALIBRATED ADJUSTABLE EXTERNAL SPARKING GAP, A NEON SPARK PLUG GAP TESTING LAMP DISPOSED ON SAID PANEL, A SECOND CURRENT LIMITING MEANS, SAID SPARKING GAP, TESTING LAMP, AND SECOND CURRENT LIMITING MEANS BEING SHIELDEDLY COUPLED IN A SERIES CIRCUIT, FIRST SWITCH MEANS FOR SELECTIVELY SHIELDEDLY COUPLING SAID SERIES CIRCUIT IN PARALLEL WITH A PREDETERMINED ONE OF SAID PARK PLUGS, MOTIVE MEANS ACTUABLE FROM SAID PANEL FOR ADVANCING SAID SWITCH MEANS SEQUENTIALLY TO COUPLE ELECTRICALLY TO DIFFERENT ONES OF SAID PARK PLUGS, SECOND SWITCH MEANS FOR SELECTIVELY EXTINGUISHING A PREDETERMINED ONE OF SAID MONITORING LAMPS MECHANICAL CONNECTING MEANS CONNECTED BETWEEN SAID FIRST AND SECOND SWITCHING MEANS TO CAUSE EACH SWITCH TO BE CONNECTED SIMULTANEOUSLY TO THE SAME SPARK PLUG WHEREBY THE EXTINGUISHING OF THE PARTICULAR ONE OF SAID MONITORING LAMPS INDICATES THAT SAID SERIES CIRCUIT IS COUPLED TO A RESPECTIVE PARTICULAR ONE OF SAID SPARK PLUGS, SAID SPARK PLUGS AND SAID MONITORING LAMPS EACH HAVING A COMMON TERMINAL WHICH IS COUPLED TO A RETURN BUS.