| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that a considerably high level of noise conceivably occurs on account of the discharge of an air current in a cleaning work and a drying work of items to be cleaned such as vehicle, work and merchandise (ware) and also, of a vibration inflicted to a chamber and/or the items to be cleaned by the generation of an accompanying eddy brought about by the air bumping, and that the larger the magnitude of the eddy, the more intensive the noise becomes, i.e. the magnitude of the eddy is in direction proportion to the intensity of the noise. SOLUTION: This noise structure is made up of an air-blowing chamber formed in an air blower through a duct and a discharge orifice formed in the chamber. In addition, an open part of a truncated chevron shape spreading open outward, is formed in the nozzle, and a means to whittle down the flow of an eddy or an air current to be generated by the air current discharged from the nozzle is provided between the open part and the nozzle. COPYRIGHT: (C)2008,JPO&INPIT
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