Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 10, 2009
Patent Application Number
11206618
Date Filed
August 18, 2005
Patent Primary Examiner
Patent abstract
A method and apparatus provides for dispensing a liquid concentrate. The source pressure of a liquid diluent is changed by a boost pump (52) to bring the pressure of the diluent to an elevated pressure. The diluent then enters an aspirator assembly (10) wherein the concentrate and diluent are mixed to form a use solution. The dynamic pressure of the diluent entering the aspirator assembly (10) is sufficient so that the amount of concentrate delivered over time is more constant.
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