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11. 发明授权

US5259251A Device for counting rotations 失效
标题翻译：旋转计数装置
公开(公告)号：US5259251A
公开(公告)日：1993-11-09
申请号：US790831
申请日：1991-11-12
申请人： Daniel Brinster , Eric Perrin
发明人： Daniel Brinster , Eric Perrin
IPC分类号： G01F15/06 , G01F15/075 , G06M1/10 , G01F1/075
CPC分类号： G01F15/066 , G01F15/0755 , G06M1/104
摘要： The invention pertains to a rotation gauge for a water meter register where the hydraulic part of the meter rotates a shaft whose revolutions are to be counted. At the other end of the shaft at least one magnet is driven by rotation by the shaft. Outside this hydraulic part, two flexible blade switches are mounted opposite the path of said magnet and connected to an electronic circuit which provides a register with metering pulses. The metering pulses are characterized by the fact that each of triggered by the closing of the first flexible blade switch and stopped by the closing of the second switch. The second switch is closed substantially in the middle of the period during which the first remains closed.
摘要翻译：本发明涉及一种用于水表寄存器的旋转计，其中仪表的液压部分旋转一转轴将被计数。在轴的另一端，至少一个磁体由轴旋转驱动。在该液压部件外部，两个柔性叶片开关与所述磁体的路径相对安装并连接到提供计量脉冲的寄存器的电子电路。计量脉冲的特征在于，每个由第一柔性叶片开关的关闭触发并且由于第二开关的闭合而停止。第二开关基本上在第一保持关闭的期间的中间闭合。

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