| 摘要 |
PROBLEM TO BE SOLVED: To provide an ion supply device capable of protecting an ion emission face of an ion generator. SOLUTION: An air supply grille 1A comprises a space forming portion 51 forming a space 51a having wind passage forming openings 52 on front and back faces along an air flow at a front part of the ion emission face 30 of the ion generator 3 in opposition to the ion emission face 30. Thus, the supply of ions to the air passing through a pipe 2 is not blocked, and the ion emission face 30 of the ion generator 3 can be protected by the space forming portion 51. COPYRIGHT: (C)2009,JPO&INPIT
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