Measuring and testing – Fluid pressure gauge – Diaphragm
Reexamination Certificate
2006-03-21
2006-03-21
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Fluid pressure gauge
Diaphragm
C338S004000
Reexamination Certificate
active
07013735
ABSTRACT:
A differential pressure sensor chip (4) comprises a diaphragm for measuring a differential pressure and converts a pressure received by the diaphragm for measuring the differential pressure into an electrical signal. A static pressure sensor chip (5) comprises a diaphragm for measuring a static pressure and converts a pressure received by the diaphragm for measuring the static pressure into an electrical signal. The differential pressure sensor chip (4) and static pressure sensor chip (5) are mounted on a header (1) so that one surface of the differential pressure sensor chip (4) and one surface of the static pressure sensor chip (5) are exposed to the interior of a common pressure introducing chamber (17).
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Allen Andre
Blakely & Sokoloff, Taylor & Zafman
Lefkowitz Edward
Yamatake Corporation
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