| 摘要 |
<p>To obtain, in a defrosting heater for the evaporator (1) of a cooling unit, a heat supply directed to where ice has formed, a liquid refrigerating agent is heated in a receptacle (4, 8, 10) and made to evaporate so that the gaseous refrigerating agent comes into heat-conducting contact with the surfaces (2, 3) of the evaporator.</p> |
