Electrically heated glow plug or glow stick for internal combustion engines

摘要

An internal combustion engine electric heater plug or rod (1) has an oxygen getter material within its metal sheath. An internal combustion engine electric heater plug or rod (1) consists of a sealed corrosion resistant metal sheath (7) which contains, in addition to a conductive coil (8) embedded in a nonconductive compacted powder filling (10), a getter material for gettering oxygen present in the filling. Preferred Features: The oxygen getter material is present as particles distributed within the filling and/or as a coating on the coil (8) or the sheath interior surface.