| 摘要 |
A towel rack is made of hollow, hermetically sealed metal tubing in any geometric shape such that condensed liquid returns to the lowest point of the structure by gravity. A liquid reservoir and heat source is hermetically connected to the towel rack tubing at the lowest point, comprising a vapor generator. The towel rack is evacuated, containing only the working liquid and its vapor. Heat applied to the reservoir generates vapor which travels throughout all the towel rack tubing, condensing on the inner tubing walls and heating the towel rack uniformly to the temperature of the vapor. Towel rack temperature is controlled by a solid state controller sensing the temperature of the vapor at the reservoir.
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