| 摘要 |
PROBLEM TO BE SOLVED: To improve a suppressing effect of abnormal sound in a small door opening state without causing inconvenience for securing sealing property when fully closing the door. SOLUTION: A sealing part 31 made of an elastic material is integrally provided at outer edge parts of door substrate parts 30 of doors 24 to 26. A sealing surface 35 is formed at an air flow downstream side portion of the sealing part 31 on an inner wall surface of a case 11. Many ribs 31b are projected and formed in tooth shapes by being mutually separated at prescribed intervals at a portion on an opposite side of the sealing surface 35 of the sealing part 31. COPYRIGHT: (C)2005,JPO&NCIPI
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