Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 29, 2008
Patent Application Number
11593826
Date Filed
November 7, 2006
Patent Primary Examiner
Patent abstract
A blending pump assembly for accurately maintaining the proper ratio of two fluid components. Flow of a first fluid is utilized to drive a fluid motor, which in turn drives a pumping mechanism to inject a proportional amount of a second fluid into the flow of the first fluid. The fluid motor and pump are sized so that a predetermined ratio between the two fluids is maintained regardless of changes in pressure and flow rate of such first fluid.
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