Title:
LIQUID PRESSURE METER, LEVEL GAUGE AND ALARM SYSTEM
Document Type and Number:
Japanese Patent JP2014137258
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a liquid pressure meter, a level gauge, and an alarm system capable of exhibiting excellent detection accuracy.SOLUTION: A liquid pressure meter includes: an exterior part having an internal space into which liquid flows; a pressure-sensitive part which is provided in the exterior part and has a pressure-sensitive surface facing the internal space; and a plurality of holes 51 which are provided in the exterior part and communicate with the inside and outside of the internal space. At least one hole 51 is formed on both sides intersecting with a plane including the pressure-sensitive surface, respectively. Moreover, at least one hole 51 is arranged in a position where an opening on the internal space side avoids the center of the pressure-sensitive surface.
Inventors:
MOTOYAMA HISAO
YODA KENTARO
SATO KENTA
YODA KENTARO
SATO KENTA
Application Number:
JP2013005186A
Publication Date:
July 28, 2014
Filing Date:
January 16, 2013
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G01L19/00; G01F23/18; G01L9/00; G01L19/06
Domestic Patent References:
| JPH11153469A | 1999-06-08 | |||
| JPH07260548A | 1995-10-13 | |||
| JPH0248823U | 1990-04-04 | |||
| JP2006242608A | 2006-09-14 |
Attorney, Agent or Firm:
Masahiko Ueyanagi
Kazuhiko Miyasaka
Kazuaki Watanabe
Kazuhiko Miyasaka
Kazuaki Watanabe