发明授权
- 专利标题: Ball-circulation type liquid flow rate sensor
- 专利标题(中): 球循环型液体流量传感器
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申请号: US305387申请日: 1981-09-24
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公开(公告)号: US4393720A公开(公告)日: 1983-07-19
- 发明人: Toru Takahashi , Sadayasu Ueno
- 申请人: Toru Takahashi , Sadayasu Ueno
- 申请人地址: JPX Tokyo
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX55-131634 19800924
- 主分类号: G01F1/20
- IPC分类号: G01F1/20 ; G01F1/05 ; G01F1/70
摘要:
A flow rate sensor having an annular passage for enabling a flow of liquid therethrough and a movable member disposed in the annular passage. An intake passage is provided for supplying liquid to the annular passage and an outlet passage, disposed concentrically to the intake passage, enables the liquid to flow out of the annular passage about an outer periphery of the intake passage.
公开/授权文献
- US4953421A Power-transmission joint 公开/授权日:1990-09-04
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