Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masahiko Kamiya0
Shinichi Tsujimura0
Taro Segawa0
Hidenobu Kajita0
Hiroyuki Shinkai0
Date of Patent
October 28, 2008
0Patent Application Number
111374360
Date Filed
May 26, 2005
0Patent Primary Examiner
Patent abstract
A stopper formed of a magnetic material and forming a portion of a magnetic circuit has a deformable portion that deforms in accordance with the pressure in a space within a sleeve. The deformable portion is provided with a pressure sensor that measures the amount of deformation of the deformable portion. The deformable portion, corresponding to a diaphragm, is formed in the stopper, which is a conventional electromagnetic valve component part. Therefore, it is no longer necessary to provide a diaphragm or a seal member.
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