| 摘要 |
This tubular heater comprises: an insulating base element constituted by a tubular ceramic element having an inner space that constitutes a flow path for a fluid, and a ceramic layer provided on the outer periphery of the ceramic element; and a heat-generating resistor element provided between the ceramic element and the ceramic layer so as to surround the flow path. The flow path is bent in an arc shape along the longitudinal direction together with the insulating base element. The insulating base element includes a non-formation part, which is where the heat-generating resistor element is not provided, in a region on the outer periphery side where the base element is bent in an arc shape. |
