发明申请
- 专利标题： MULTI-STAGE CENTRIFUGAL COMPRESSOR AND RETURN CHANNELS THEREFOR
- 专利标题（中）： 多级离心压缩机及其返回通道
-
申请号： US13879833申请日： 2011-10-17
-
公开(公告)号： US20130259644A1公开(公告)日： 2013-10-03
- 发明人: Hiromi Kobayashi , Hideo Nishida , Kazuyuki Sugimura , Manabu Yagi
- 申请人： Hiromi Kobayashi , Hideo Nishida , Kazuyuki Sugimura , Manabu Yagi
- 优先权： JP2010-233576 20101018
- 国际申请： PCT/JP2011/073876 WO 20111017
- 主分类号： F04D17/12
- IPC分类号： F04D17/12
摘要：
A multi-stage impeller is configured in a multi-stage centrifugal compressor by fixing and attaching a plurality of centrifugal impellers to one rotating shaft. Diffusers and return channels are provided in order downstream from each impeller. The centrifugal impellers, the diffusers and the return channel are housed within a compressor casing. The return channels have a plurality of vanes positioned at intervals from one another in a circumferential direction, and at least two stages are provided. The vane exit angles monotonically increase toward the downstream stage.
信息查询
