Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1994-02-25
1994-12-27
Hepperle, Stephen M.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
G05D 1103
Patent
active
053756207
ABSTRACT:
A self-adjusting flow metering device is provided for regulating a secondary flow in volumetric proportion to a main flow from which the secondary flow is taken. The device includes a flow sensitive orifice which automatically adjusts its orifice area in relation to the static pressure within the device. A diaphragm is used to regulate the amount of secondary flow passing out from the self-adjusting flow metering device in relation to the pressure differential across the flow sensitive orifice. The device is particularly useful for separating a purge flow from a compressed gas stream, the purge flow being useable for regenerating an idle desiccant chamber in a pressure swing dehydration system having twin desiccant chambers for removing water vapor from the compressed gas stream.
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Graham-White Mfg. Co.
Hepperle Stephen M.
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