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Patent Searching and Data


Title:
PRESSURE SENSOR
Document Type and Number:
Japanese Patent JP2007285951
Kind Code:
A
Abstract:

To provide a pressure sensor for surely detecting a pressure in an enclosed container in a simple composition by being simply installed to the enclosed container.

The pressure sensor 1 comprises: a variable volume part 2 for changing a volume in response to the pressure of a liquid L being in contact with an outer shell by floating in the liquid L stored in the enclosed container 20, possessing the outer shell formed of a flexible film 13 and sealing a gas inside; and a contact detection part 4 for detecting the liquid by contacting by being provided upward from the upper face of the variable volume part 2. The pressure sensor 1 rises and falls in the liquid by accompanying the pressure in the container 20 while holding vertically standing or substantially vertically standing attitude by setting a centroid downward.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
HORIIKE HIROSHI
YAMAOKA NOBUO
KONDO HIROO
OKAZAKI KAZUO
YAMADA KATSUMI
Application Number:
JP2006115160A
Publication Date:
November 01, 2007
Filing Date:
April 19, 2006
Export Citation:
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Assignee:
OSAKA UNIV
OKAZAKI MFG CO LTD
International Classes:
G01L7/22; G01L11/00
Attorney, Agent or Firm:
小谷 悦司
伊藤 孝夫
樋口 次郎