| 摘要 |
<p>There is provided a viscous heater that ensures sufficient heat exchange. For instance, fins (2c-2f) are formed on a housing that project into a water jacket (RW) so that the surface area of a wall surface constituting the water jacket is increased, and circulating water that is taken into from a water inlet port (8) and sent out from a water outlet port into an external heating circuit is circulated along a specific route.</p> |
