Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hyok Lee0
Date of Patent
March 7, 2006
0Patent Application Number
107898620
Date Filed
February 27, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention illustrates an irrigation valve that operates at low flows by providing a guide washer of the valve assembly that prevents diaphragm extrusion. Specifically, the circular channel area of a guide washer of the valve includes spoke-like fins. These fins keep the diaphragm from extruding into the open channel over time, while allowing for easy guide washer manufacturing.
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