发明授权
- 专利标题: Scroll-type fluid machine with a plurality of discharge ports
- 专利标题(中): 滚动式流体机械具有多个排放口
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申请号: US505613申请日: 1990-04-06
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公开(公告)号: US5100307A公开(公告)日: 1992-03-31
- 发明人: Masumi Arita , Mitsuhiro Nishida
- 申请人: Masumi Arita , Mitsuhiro Nishida
- 申请人地址: JPX Tokyo
- 专利权人: Mitsubishi Denki K.K.
- 当前专利权人: Mitsubishi Denki K.K.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-92529 19890411
- 主分类号: F04C18/02
- IPC分类号: F04C18/02 ; F01C1/02
摘要:
A scroll-type fluid machine has a pair of interfitting scrolls. Each scroll has a discharge port at its center which communicates with a discharge chamber via a discharge passage formed in the scroll. A check valve is disposed in each discharge port.
公开/授权文献
- US4022467A Tennis practice device 公开/授权日:1977-05-10
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