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1. 发明申请

US20080007255A1 Encoded linear position sensor 审中-公开
标题翻译：编码线性位置传感器
公开(公告)号：US20080007255A1
公开(公告)日：2008-01-10
申请号：US11483481
申请日：2006-07-10
申请人： Stewart D. Johnson , EuGene D. Alfors , Lawrence E. Franzee , Joseph K. Murdock , Jason M. Chilcote , John S. Patin
发明人： Stewart D. Johnson , EuGene D. Alfors , Lawrence E. Franzee , Joseph K. Murdock , Jason M. Chilcote , John S. Patin
IPC分类号： G01B7/14
CPC分类号： G01D5/145 , G01D5/147 , G01D21/00
摘要： Multiple magnetic sensing transducers can detect the position of a target. For example, a linear array of transducers can detect a target's linear position. A master and slave arrangement can reduce the cost and size of a system containing multiple magnetic sensing transducers. The master contains circuitry for voltage regulation and processing logic as well as a magnetic sensing transducer. The slaves contain a magnetic sensing transducer and little else. As such, the slave units are small and inexpensive. The slaves obtain power from the master, produce detection signals, and pass the detection signals to the master. The master interprets the detection signals along with an internal detection produced by the master's internal magnetic sensing transducer to produce a position signal.
摘要翻译：多个磁感应传感器可以检测目标的位置。例如，换能器的线性阵列可以检测目标的线性位置。主从配置可以降低包含多个磁传感器的系统的成本和尺寸。主器件包含用于电压调节和处理逻辑的电路以及磁传感器。从站包含一个磁传感器，另外一些。因此，从属单元是小而便宜的。从站从主站获取电源，产生检测信号，并将检测信号传递给主站。主机将检测信号与主机内部磁感应传感器产生的内部检测一起解释，产生位置信号。

2. 发明授权

US5279155A Mass airflow sensor 失效
标题翻译：质量气流传感器
公开(公告)号：US5279155A
公开(公告)日：1994-01-18
申请号：US13286
申请日：1993-02-04
申请人： Stewart D. Johnson , Martin Oakes , Michael J. Taylor
发明人： Stewart D. Johnson , Martin Oakes , Michael J. Taylor
IPC分类号： G01F1/684 , G01F5/00 , G01F1/68
CPC分类号： G01F1/6842 , G01F5/00
摘要： A mass airflow sensor is provided with a system of conduits and ports which connect the mass airflow sensor to a main fluid flow channel. Pairs of ports connect the plurality of fluid interconnection conduits with the main fluid flow conduit being monitored. The mass airflow sensing apparatus is adapted to receive a mass airflow sensor in fluid communication with its system of conduits. First and second pairs of ports are disposed upstream from a third and fourth pair of ports. The first and second pairs of ports are connected to each other in a way which provides an average flow from each of the pairs to an inlet of the mass airflow sensor. In a particularly preferred embodiment of the present invention, the outlet of the mass airflow sensor is connected to an arrangement of conduits and ports that is a mirror image of the upstream arrangement of conduits and ports.
摘要翻译：质量气流传感器设置有将质量气流传感器连接到主流体流动通道的管道和端口系统。一对端口将多个流体互连管道连接到被监测的主流体流动导管。质量气流感测装置适于接收与其管道系统流体连通的质量气流传感器。第一和第二对端口设置在第三和第四对端口的上游。第一和第二对端口以提供从每个对的平均流量到质量气流传感器的入口的方式彼此连接。在本发明的一个特别优选的实施例中，质量气流传感器的出口连接到作为管道和端口的上游布置的镜像的管道和端口的布置。

3. 发明授权

US4856328A Sampling probe flow sensor 失效
标题翻译：采样探头流量传感器
公开(公告)号：US4856328A
公开(公告)日：1989-08-15
申请号：US213376
申请日：1988-06-30
申请人： Stewart D. Johnson
发明人： Stewart D. Johnson
IPC分类号： G01F1/684
CPC分类号： G01F1/684 , G01F1/6842
摘要： A mass air flow sensor having a tubular probe body located within and aligned with a venturi passageway. The probe body has a channel therethrough connecting openings located at high and low pressure regions in the venturi passageway. The openings are configured to cause at least a 90 degree change in direction of air flowing therethrough from the venturi passageway to protect a fragile flow sensor in the channel from damage by suspended contaminants.
摘要翻译：一种质量空气流量传感器，其具有位于文丘里通道内并与文丘里通道对准的管状探针体。探针主体具有通道，其通过位于文丘里通道中的高低压区域的开口。开口构造成使得从文丘里通道流过的空气的方向至少变化90度，以保护通道中的脆弱流量传感器免受悬浮污染物的损坏。

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