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1. 发明申请

US20080050257A1 OIL FREE SCREW COMPRESSOR 有权
标题翻译：无油螺杆压缩机
公开(公告)号：US20080050257A1
公开(公告)日：2008-02-28
申请号：US11779910
申请日：2007-07-19
申请人： NATSUKI KAWABATA , HITOSHI NISHIMURA , YUSUKE NAGAI
发明人： NATSUKI KAWABATA , HITOSHI NISHIMURA , YUSUKE NAGAI
IPC分类号： F04C23/00
CPC分类号： F04C18/16 , F04C23/00 , F04C29/04
摘要： The invention downsizes and simplifies structures of a compressor and its driving system apparatus, and achieves a reduction of a noise. An oil free screw compressor is constituted by compressor main bodies compressing a gas, a motor driving rotors of the compressor main bodies via step-up gears, a gear casing storing the step-up gears, cooling apparatuses cooling a discharge air and the like. An oil tank is provided independently from the gear casing, the motor is fixed to a common base, the gear casing is integrally attached to the motor via a flange, and the compressor main bodies are integrally attached to the gear casing via the flange. Further, the cooling apparatuses are arranged in an upper side of the driving system apparatus, and a cooling fan is installed in an upper side thereof.
摘要翻译：本发明缩小了并简化了压缩机及其驱动系统装置的结构，并且实现了噪音的降低。无油螺杆式压缩机由压缩气体的压缩机主体，经由升压齿轮驱动压缩机主体的转子，存储升压齿轮的齿轮箱，冷却排出空气的冷却装置等构成。独立于齿轮箱设置油箱，马达固定在公共基座上，齿轮箱通过凸缘一体地安装在马达上，压缩机主体通过凸缘一体地安装在齿轮箱上。此外，冷却装置布置在驱动系统装置的上侧，并且冷却风扇安装在其上侧。

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