Caterpillar Inc.

Darryl Hatfield

Curtis John Graham

Daniel Cavanaugh

Kegan Jon Luick

A prechamber ignition assembly for an internal combustion engine includes a base attached to a remanufactured prechamber ignition device at a base weld interface. The remanufactured prechamber ignition device includes a new tip formed of a tip material, and a root formed of a root material, with a used body formed of a body material disposed therebetween. The new tip is bonded to the used body at a tip weld interface and the root is bonded to the used body at a root weld interface.

Growing community of inventors

Boonesville, MS, United States of America

Darryl Hatfield