Pressure sensor with a corrosion-resistant diaphragm

A pressure sensor includes a sensor device and a diaphragm. The diaphragm is exposed to a fluid, a pressure relative to which is detected using the sensor device. The diaphragm is made of a material having a pitting index, which is defined by the equation, (Cr+3.3Mo+20N), of 50 or greater and Ni con...

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Bibliographic Details
Main Authors NOMURA HIROSHI, BABA HIRONOBU, KATO YUKIHIRO, KOIKE HARUHISA
Format Patent
LanguageEnglish
Published 30.10.2003
Edition7
Subjects
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
PHYSICS
TESTING
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Summary:A pressure sensor includes a sensor device and a diaphragm. The diaphragm is exposed to a fluid, a pressure relative to which is detected using the sensor device. The diaphragm is made of a material having a pitting index, which is defined by the equation, (Cr+3.3Mo+20N), of 50 or greater and Ni content of 30 weight % or greater to prevent the diaphragm from corroding due to the fluid.
Bibliography:Application Number: US20030419224