| 摘要 |
A fluid passage selecting device includes a first passage disposed at an upstream side of a second passage and a third passage that have different width. A slide door is provided to selectively introduce a fluid from the first passage into at least one of the second and third passages. One end of the slide door is slidable between a top end and a bottom end of a downstream edge potion of the first passage. The other end of the slide door is slidable along an extending direction of one of the second and third passages. Accordingly, the two different-width passages can be selectively switched without using an additional door while a fluid flow resistance is decreased.
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