Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ryuhei Takemaru0
Date of Patent
October 23, 2007
0Patent Application Number
109561530
Date Filed
October 4, 2004
0Patent Primary Examiner
Patent abstract
In a steam valve, a strainer is arranged between a valve body and a valve casing in which the valve body is accommodated, and a screen assembly is mounted on an outer peripheral portion of the strainer. The screen assembly includes a temporary screen unit and a permanent screen unit which is arranged inside the temporary screen unit. Each of the screen units is a substantially cylindrical structure made of a plate formed with perforations.
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