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1. 发明授权

US5720550A Volume reducer for powder material 失效
标题翻译：粉末材料减容器
公开(公告)号：US5720550A
公开(公告)日：1998-02-24
申请号：US678158
申请日：1996-07-11
申请人： Seizaburo Akiyama , Masasi Kato
发明人： Seizaburo Akiyama , Masasi Kato
IPC分类号： B65G65/48 , B65B1/26 , B65G29/02
CPC分类号： B65B1/26
摘要： A volume reducer for reducing the volume of a powder material by removal of some air has a cylindrical casing having an inlet and an outlet for letting powder material in and out. In the casing, a rotor rotatable on the center axis of the casing is provided. The rotor has a cylindrically formed porous plate and a plurality of inner and outer chambers formed in the inside and outside of the porous plate. The outer chambers are loaded with the powder material. A rotary valve that rotates together with the rotor is provided. The rotary valve has a plurality of ventilation openings communicating with the respective inner chambers in an axial direction. The rotary valve is embraced in a stationary valve. The stationary valve has a cavity that communicates with a ventilation opening when the rotary valve is positioned within a predetermined range of its rotation angle. The stationary valve has a compressed air injection opening with which the ventilation opening communicates.
摘要翻译：用于通过去除一些空气来减小粉末材料的体积的体积减小器具有圆柱形壳体，其具有用于使粉末材料进出的入口和出口。在壳体中，设置有可以在壳体的中心轴上旋转的转子。转子具有圆柱形多孔板和多孔板内部和外部形成的多个内室和外室。外部室装有粉末材料。提供与转子一起旋转的旋转阀。旋转阀具有沿轴向与各内室连通的多个通气开口。旋转阀被包围在固定阀中。当旋转阀位于其旋转角度的预定范围内时，固定阀具有与通风口连通的空腔。固定阀具有通气口连通的压缩空气注入开口。

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