Pressure sensor including leakage detection part for detecting leakage of liquid

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United States of America Patent

PATENT NO 9766147
SERIAL NO

14641767

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is a pressure sensor for detecting the pressure of liquid flowing in a main flow path, including: an introduction flow path to which liquid is introduced from the main flow path; a pressure detection element having a pressure receiving surface and for detecting the pressure of liquid received by the pressure receiving surface in the introduction flow path; a diaphragm provided in a downstream-side end part of the introduction flow path and for transferring the pressure of the liquid to the pressure receiving surface while isolating a contact between the liquid in the introduction flow path and the pressure receiving surface; and a leak sensor for detecting a leakage of liquid into an internal space in communication with the pressure receiving surface.

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Patent Owner(s)

  • SURPASS INDUSTRY CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasunuma, Masahiro Saitama, JP 51 346

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