| 摘要 |
<p>PURPOSE:To change over dehumidifying function and regenerating function by simple constitution and to eliminate the maintenance of constitution of changeover. CONSTITUTION:A first entrance and exit 2 is provided to one surface a casing 1 and a second entrance and exit 3 is provided to the other surface of the casing 1. A third entrance and exit 4 forming a pair along with the first entrance and exit and the fourth entrance and exit 5 forming a pair along with a second entrance and exit 3 are provided to the casing 1. A first changeover valve plate 6 alternatively changing over the first entrance and exit 2 and the second entrance and exit 3 and a second changeover valve plate 7 alternatively changing over the third entrance and exit 4 and the fourth entrance and exit 5 are provided and connected by a connection rod 8 so as to be cooperated. The spring made of a shape memory alloy subjecting either one of the first and second changeover valve plates 6, 7 to changeover operation is provided in a wind passage. A bias spring performing the return operation of the first or second changeover valve plate changed over by the spring made of a shape memory alloy is provided.</p> |
