Title:
DIFFERENTIAL PRESSURE TRANSMITTER
Document Type and Number:
Japanese Patent JP2015194343
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To avoid abnormal deformation of a pressure receiving diaphragm, and to improve the detachability of the pressure receiving diaphragm and the sealing property of a pressure transmission medium.SOLUTION: A plurality of projecting parts (columns) 81a and 81b are discretely formed on the surfaces of stopper members (spacers) 72a and 72b that face pressure receiving diaphragms 27 and 28, respectively. Passages (grooves) 82a and 82b between projecting parts 81a and 81b and projecting parts 81a and 81b are set as communication passages between the peripheral parts of communication holes 80a and 80b and peripheral ends 83a and 83b of the stopper members 72a and 72b, respectively.
Inventors:
TOKUDA TOMOHISA
ISHIKURA YOSHIYUKI
ISHIKURA YOSHIYUKI
Application Number:
JP2014071068A
Publication Date:
November 05, 2015
Filing Date:
March 31, 2014
Export Citation:
Assignee:
AZBIL CORP
International Classes:
G01L13/02; G01L19/06
Attorney, Agent or Firm:
Masaki Yamakawa
Shigeki Yamakawa
Shigeki Yamakawa