| 摘要 |
<p>PURPOSE:To provide an electric sheath heater which is suitable as the ignition means of a particulate incineration part in a diesel engine particulate trap for back washing, and which has durability, and the diesel engine particulate trap in which the electric sheath heater is incorporated, and which has high reliability. CONSTITUTION:The sheath pipe 5 of an electric sheath heater 1 in which a heating element 4 whose resistance heating wire 3 is wound around a ceramic shaft 2 is stored, is made of aluminum nitride ceramic which has insulating property and high thermal conductivity.</p> |
