| 摘要 |
<p>The invention relates to improvements to a solar heater for heating water, consisting of: a case (1) which is made from wood, metal or plastic, which is lined with insulating material and the lower part of which is painted black; a tyre (2) which is mounted to a metal hoop or rim (3) and which is equipped with opposing holes (9 and 10) for water inlet and outlet tubes (5 and 6); a cover (4) which is formed by two parallel glass plates forming an air chamber; and a rim which keeps the water inside the tyre.</p> |
