Fluid powered additive injection system

Details Fluid powered additive injection system Fluid powered additive injection system

2006-06-27

2006-06-27

Nicolas, Frederick C. (Department: 3754)

Dispensing

Automatic control

Motor control

C222S001000, C222S057000, C222S071000

Reexamination Certificate

active

07066353

ABSTRACT:
An apparatus and method for proportionally injecting a liquid chemical into a fluid stream using a portion of the fluid stream as motive force for a chemical injection pump. The apparatus includes a paired single or double acting reciprocating injection pump and driver with the driver piston(s) having a surface area of three times the surface area of the injection piston(s). The portion of the fluid stream is passed through a prime mover to the pump and then discharged to atmosphere. A fluid product flow meter generates a signal which controls the cycling of the reciprocating pump.

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