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Patent Searching and Data


Title:
PRESSURE SENSOR, PRESSURE-DIFFERENTIAL FLOW RATE METER, AND FLOW RATE CONTROLLER
Document Type and Number:
Japanese Patent JP2011185635
Kind Code:
A
Abstract:

To provide a pressure sensor capable of easily and completely displacing liquid by washing etc. and having damage reduction measures.

In the pressure sensor 10 that detects the pressure of liquid flowing in a main fluid flow path 11, a pressure measuring unit 4 is installed by forming a pressure measuring space 12 at a position branched from a straight pipe of the main fluid flow path 11, and in addition, the main fluid flow path 11 and the pressure measuring space 12 are connected with an inlet pipe 13 and an outlet pipe 14 with a pipe diameter smaller than that of the main fluid flow path 11.


Inventors:
IGARASHI HIRONORI
Application Number:
JP2010048903A
Publication Date:
September 22, 2011
Filing Date:
March 05, 2010
Export Citation:
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Assignee:
SURPASS KOGYO KK
International Classes:
G01L13/00; G01F1/00; G01F1/34; G01L19/00; G05D7/06
Domestic Patent References:
JPS6355140U1988-04-13
JP2008207121A2008-09-11
JP2009222391A2009-10-01
JP2009002901A2009-01-08
JPS6355140U1988-04-13
JP2008207121A2008-09-11
JP2002156299A2002-05-31
Attorney, Agent or Firm:
Noriharu Fujita
Kunio Ueda