Pressure measuring device
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United States of America Patent
Stats
-
Jul 3, 1984
Grant Date -
N/A
app pub date -
Jun 9, 1982
filing date -
Jun 15, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure measuring device is provided with a change-over valve connecting the pressure sensor either with the pressure to be measured or with a reference pressure. The change-over valve is actuated by a separate control pressure and will protect the pressure sensor from the influence of the pressure medium to be measured in the spring-loaded idle position of the valve.
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