Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 26, 2006
Patent Application Number
11174250
Date Filed
July 5, 2005
Patent Primary Examiner
Patent abstract
A mister nozzle apparatus has a check valve incorporated therein to shut off the water passing through the misting nozzle to prevent draining of the water from the misting water supply pipes. The check valve has a resilient membrane valve element which opens and closes responsive to water pressure to block or open the nozzle inlet. The check valve is vented to atmosphere through a vent located in the housing between the resilient membrane and the nozzle misting outlet.
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