| 摘要 |
PROBLEM TO BE SOLVED: To provide a miniaturized vacuum generating device without a need of a switching device for a vacuum generator and vacuum breaking. SOLUTION: In this vacuum generating device, a nozzle unit and a diffuser unit integrated are slidably arranged to and inside an outer shell having positive pressure/negative pressure/exhaust openings, and the integrated nozzle unit and diffuser unit are slide-actuated by turning on and off pressurized gas to a gas supply port. COPYRIGHT: (C)2005,JPO&NCIPI
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