| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a freezing preventive heater which can efficiently heat the surface of a member to be heated such as a pump uniformly and be easily mounted on the member to be heated. SOLUTION: A freezing preventive heater concerned is composed of a wire- form heater 20 of such a structure that leads 23, 23 are connected with the ends of a resistance wire 21, a first heat transmission plate 40 of such a structure that a meandering accommodation groove 41 is provided in an aluminum plate, and a second heat transmission plate 60 made from a metal foil. The resistance wire part 21 of the heater 20 is accommodated in the groove 41, and in it the second heat transmission plate 60 is mounted. The surface of the second heat transmission plate 60 is attached to the surface of the exterior case 93 of a pump (member to be heated) 91 so that it 91 is heated.</p> |
