Gm Global Technolgoy Operations, Inc.

Thomas E Welsh, Jr

James Alva Boyer

Richard E Ballentine

Dwayne Allen Huntzinger

Richard Laurence Haisley

Ray J Daniels

A distributor cap for an internal combustion engine ignition distributor. The distributor cap is comprised of a cap member formed of insulating material that has terminals located at the outer periphery of the cap member that are adapted to be connected to ignition cables. The cap member has a laterally extending wall. A plurality of electrodes are carried by the wall and extend through the wall. End portions of the electrodes are located inside the wall and are adapted to cooperate with a distributor rotor. A respective terminal is electrically connected to a respective electrode by a conductive ink trace that is bonded to an outer surface of the wall.

Distributor cap

Ignition apparatus for developing and applying sparks to the cylinders of an internal combustion engine. A plurality of a secondary spark developing units are respectively associated with the cylinders of the engine. Each secondary unit comprises a spark plug and a secondary winding carried by the spark plug that is connected to the electrodes of the spark plug. Magnetic flux is coupled to the secondary winding of the secondary units by a primary winding module. The module has a support portion and a plurality of spaced tubular members. A primary coil having a bore is located in each tubular member. A tubular flux carrying part formed of magnetic material is located about each primary coil. The module is supported by the engine in such a position that portions of the secondary units project into the bores when the module is mounted on an engine.

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Anderson, IN, United States of America

Thomas E Welsh, Jr