Pressure or pressure-difference measuring apparatus with a pressure sensor device protected against overload
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United States of America Patent
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-
Sep 10, 1985
Grant Date -
N/A
app pub date -
Feb 15, 1983
filing date -
Feb 15, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure or pressure-difference measuring apparatus having a central pickup body and a pressure sensor device disposed within a measuring chamber, the subchambers of which are connected via connecting canals to antechambers formed between separating diaphragms and the central pickup body, is disclosed. The apparatus also has supplementary diaphragms resting against the pickup body and connected to the connecting canals through supplementary canals. A simplified mechanical design is accomplished by having single supplementary canals, each open to a connecting canal connected to a separating diaphragm, running to the supplementary diaphragm adjacent to the device's opposite separating diaphragm.
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