Position controller for a drive-actuated valve having inherent safety design
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 2, 2003
Issued Date -
N/A
app pub date -
Nov 18, 2002
filing date -
May 19, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A position controller including a position transmitter (9) and a control unit (13). The position transmitter detects the actual position of an actuator (7). The control unit (13) is arranged in an ignition-proof enclosure that is separate from the housing of the position transmitter (9). The interface (18) between the control unit (13) and the position transmitter (9) as well as the position transmitter (9) itself--which comprises a magnet (10) and a magnetoresistive sensor (50)--have an inherent electrical safety design.
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