Motorless speed control pipeline apparatus and method
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United States of America Patent
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Oct 16, 2012
Grant Date -
Aug 26, 2010
app pub date -
Feb 24, 2010
filing date -
Feb 25, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A pipeline apparatus has a body configured to fit inside a pipeline. A flow channel is formed within the body and includes an inlet, an outlet, and a bypass channel connecting the inlet and the outlet, the inlet being configured to receive a portion of a fluid flowing through the pipeline, and the outlet being configured such that the fluid flowing through the bypass channel flows out of the bypass channel through the outlet. A flow control valve is attached to the body and has a sleeve configured to move to vary a flow rate of the fluid flowing out of the outlet. A conduit is connected between the flow control valve and a back face of the body and configured to communicate a high pressure of the fluid to the flow control valve.
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