Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert E. Wallace0
Carl Kuhnle0
David Monteith0
Date of Patent
April 19, 2011
Patent Application Number
11748355
Date Filed
May 14, 2007
Patent Primary Examiner
Patent abstract
The present invention is directed toward an apparatus for efficient, durable, reliable, and cost-effective fluid injection. In particular, the present invention provides an unpowered device for automatic fluid injection dictated by pressure differential in the line. More specifically, the present invention provides a device for injecting a degreasing chemical into air relief valves in municipal wastewater systems, which operates off of the differential pressure in the pumped lines resulting from the pump operating cycles.
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