发明名称 |
Valve provided with a measuring instrument and intended for a moving medium |
摘要 |
A valve unit for a flowing medium is combined with an electrical measuring system to provide measurement of the rate of flow of the medium. The valve unit is connected to a propeller-type rotor disposed in a conduit which communicates with the valve. The rotor incorporates a permanent magnet in at least one vane thereof and the measuring system includes a magnetic pulse generator which senses the magnetic field produced by the magnet and generates a corresponding train of pulses during the rotation of the rotor. An amplifier-differentiator connected to the pulse generator produces an output in accordance with the derivative of the pulses so as to provide an indication of the rate of flow.
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申请公布号 |
US4337655(A) |
申请公布日期 |
1982.07.06 |
申请号 |
US19800191442 |
申请日期 |
1980.09.29 |
申请人 |
SUNDSTROM, INGE B.;CAIRENIUS, PER R. W. |
发明人 |
SUNDSTROM, INGE B.;CAIRENIUS, PER R. W. |
分类号 |
G01F1/075;G01F1/115;(IPC1-7):G01F1/11;G01K17/00 |
主分类号 |
G01F1/075 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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