作者: Isao Tanaka , Nobuhito Hirakawa , Junji Omiya , Yusuke Kamon
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摘要: A multi-channel rotary joint comprising elastic seal rings each having an annular groove that are used to form a low-pressure channel space and high-pressure between the opposing peripheral surfaces of housing rotator rotates inside housing. Seal which forms part vacuum suction route engaged with supported by one such grooves disposed symmetrically opening into spaces adjacent space. The pressurized fluid supply this