Dosing Device for Introducing an Additive Into a Liquid Flow
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United States of America Patent
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Issued Date -
Oct 4, 2007
app pub date -
Jun 29, 2005
filing date -
Jul 15, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a dosing device for introducing an additive (A) in to a main liquid flow (L) in a conduit comprising a reciprocating differential piston pump (2) which is used for collecting and dosing the additive (A) from a container (1) and comprises a first inlet (7) for receiving the main liquid flow which ensures the pump actuation, a second inlet (8) for collecting the additive and an outlet (9) for mixing the additive and the main liquid. The inventive device comprises a Venturi (10) disposed in the conduit and the pump (2) connected in parallel position with respect thereto, wherein the first inlet (7) of the pump is connected to the Venturi input (11) and the outlet thereof is connected to the Venturi throat (12).
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