Additive injection device

Details Additive injection device Additive injection device

2005-03-08

2005-03-08

Look, Edward K. (Department: 3745)

Motors: expansible chamber type

Cyclically operable

Working member controlled motive fluid for distributor motor

C091S350000, C060S417000

Reexamination Certificate

active

06862972

ABSTRACT:
A reciprocating drive system that utilizes energy available from pressure changes in flowing fluid systems, said drive used for the injection of additives into pipelines. The reciprocating drive includes a hydraulic accumulator having a gas chamber connected to a gas pipeline to contain said gas, whereby variation in the elevated pressure of the pipeline is reflected in the pressure applied to an incompressible fluid in a hydraulic conduit. The drive is capable of recycling gas used to drive the system back into pipelines.

REFERENCES:
patent: 3649136 (1972-03-01), Ruidisch
patent: 4176520 (1979-12-01), Horton

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