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公开(公告)号：EP4127630A1
公开(公告)日：2023-02-08
申请号：EP21776011.5
申请日：2021-03-08
申请人： Rosemount Inc.
发明人： RUD, Jason H. , KRONFORST, Kyle J.
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公开(公告)号：EP4168763A1
公开(公告)日：2023-04-26
申请号：EP21826869.6
申请日：2021-06-07
申请人： Rosemount Inc.
发明人： RUD, Jason H. , KURTZMAN, Kevin C.
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公开(公告)号：EP2609408B1
公开(公告)日：2017-04-12
申请号：EP11744176.6
申请日：2011-08-11
申请人： Rosemount Inc.
发明人： RUD, Jason H. , ENGELSTAD, Loren M.
CPC分类号： G01K7/20 , G01K15/00 , G01K15/007
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公开(公告)号：EP3857192A1
公开(公告)日：2021-08-04
申请号：EP19866156.3
申请日：2019-09-19
申请人： Rosemount Inc.
发明人： RUD, Jason H.
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公开(公告)号：EP3408632A1
公开(公告)日：2018-12-05
申请号：EP16888329.6
申请日：2016-01-25
申请人： Rosemount Inc.
发明人： KUZNETSOV, Yuri Nickolayevich , RUD, Jason H. , GARIPOV, Sait Saitovich , KRIVONOGOV, Aleksey Aleksandrovich , FOMCHENKO, Sergey Andreyevich , REPYEVSKY, Vladimir Victorovich
摘要： A process fluid temperature calculation system includes a first temperature sensor disposed to measure an external temperature of a process fluid conduit. The process fluid temperature calculation system has a stem portion having a known thermal impedance. A second temperature sensor is spaced from the first temperature sensor by the stem portion. Measurement circuitry is coupled to the first and second temperature sensors. A microprocessor is coupled to the measurement circuitry to receive temperature information from the measurement circuitry and to provide an estimate of temperature of process fluid within the process fluid conduit using a heat flux calculation.
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公开(公告)号：EP3857190A1
公开(公告)日：2021-08-04
申请号：EP19864245.6
申请日：2019-09-25
申请人： Rosemount Inc.
发明人： RUD, Jason H. , TRIMBLE, Steven R.
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公开(公告)号：EP3857189A1
公开(公告)日：2021-08-04
申请号：EP18935211.5
申请日：2018-09-28
申请人： Rosemount Inc.
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公开(公告)号：EP2609408A1
公开(公告)日：2013-07-03
申请号：EP11744176.6
申请日：2011-08-11
申请人： Rosemount, Inc.
发明人： RUD, Jason H. , ENGELSTAD, Loren M.
CPC分类号： G01K7/20 , G01K15/00 , G01K15/007
摘要： An apparatus (12) for measuring a temperature of a process fluid includes a resistance based temperature sensor (RTD) sensor (32) configured to thermally couple to the process fluid. First and second electrical connections are configured to apply a current through the RTD (32). Measurement circuitry (36) is configured to measure a voltage across the RTD (32) and identify a degraded connection to the RTD and responsively measure a temperature of the process fluid using the electrical connections.
摘要翻译： 用于测量过程流体的温度的装置包括被配置为热耦合到过程流体的基于电阻的温度传感器（RTD）传感器。 第一和第二电连接被配置为通过RTD施加电流。 测量电路被配置为测量RTD两端的电压，并识别与RTD的降级连接，并使用电连接响应地测量过程流体的温度。
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公开(公告)号：EP4222467A1
公开(公告)日：2023-08-09
申请号：EP21876225.0
申请日：2021-09-21
申请人： Rosemount Inc.
发明人： WILLCOX, Charles R. , RUD, Jason H.
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公开(公告)号：EP4138304A1
公开(公告)日：2023-02-22
申请号：EP22180692.0
申请日：2012-03-07
申请人： Rosemount, Inc.
发明人： RUD, Jason H. , BRONCZYK, Andrew J.
摘要： A process variable transmitter (10) is used to measure a process variable, and, in doing so, dynamically changes the resolution of the A/D converter (18) based upon the measured value of the analog input signal. This can be done by automatically adjusting the configurable resolution gain adjustment based on the value of the analog signal being measured, by normalizing the input signal being measured so that it is centered in an optimal resolution window of the A/D converter (18), or by adjusting a voltage reference provided to the A/D converter (18).
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