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公开(公告)号：EP0052992A1
公开(公告)日：1982-06-02
申请号：EP81305419.4
申请日：1981-11-17
申请人： Vickers Incorporated
摘要： A flowmeter comprising means (12) for conducting fluid the rate of flow of which is to be measured, flexure means (15) arranged to undulate in response to fluid flow, whereby a travelling wave is propagated along the flexure means, and means (23, 24) for detecting a parameter of the travelling wave which is a function of the rate of flow of the fluid. The parameter of the travelling wave may be the frequency or the velocity of propagation thereof, for example.
摘要翻译： 一种流量计，包括用于使流体的流速测量的流体流量，响应于流体流动布置成波动的挠曲装置（15），由此行进波沿着挠曲装置传播，并且装置（23 ，24），用于检测作为流体的流动速率的函数的行波的参数。 例如，行波的参数可以是频率或其传播速度。
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公开(公告)号：EP0074187B1
公开(公告)日：1986-02-12
申请号：EP82304255.1
申请日：1982-08-11
申请人： Vickers Incorporated
CPC分类号： G05D7/018 , F15C3/10 , G05D7/0635 , Y10T137/1135 , Y10T137/2322
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公开(公告)号：EP0074187A1
公开(公告)日：1983-03-16
申请号：EP82304255.1
申请日：1982-08-11
申请人： Vickers Incorporated
CPC分类号： G05D7/018 , F15C3/10 , G05D7/0635 , Y10T137/1135 , Y10T137/2322
摘要： In a flapper nozzle fluid control system a radial outward flow turbine-like flapper (15) is used as the flapper. The angular velocity of the turboflapper (15) is used to lift the turboflapper off a backplate (23) towards a nozzle (11). The amount of lift of the backplate (23) and hence nozzle outlet area is a function of the angular velocity of the turboflapper (15). An adjustable opposing torque on the turboflapper (15) controls the angular velocity of the turboflapper and thus controls the flow rate.
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