Differential pressure fitting
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United States of America Patent
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app pub date -
May 22, 2003
filing date -
Jan 29, 2001
priority date (Note) -
Abandoned
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Abstract
A pipe connection fitting having at one end a tapered edge (1) which communicates at its base with tightening nut (2) which communicates with male pipe threads (3) which communicates with extension member (4) having an angle cut (6) with a flow port (5) through the center of the fitting. Positive differential pressure is created by installing a differential pressure fitting facing into the fluid stream of a flow line. Negative differential pressure is created by installing a differential pressure fitting facing away from the fluid stream of a flow line. Tubing connects the fittings to a pressure tank containing the fluid to be injected in the flow line. Fluid flow past the fittings in the flow line motivates flow from the flow line to the pressure tank and from the pressure tank back to the flow line. The fitting being made of rigid plastic or metal.
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