Pressure compensated flow rate controllers

Details Pressure compensated flow rate controllers Pressure compensated flow rate controllers

1987-01-07

1988-09-13

Bryant, III, James E.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

138 46, F15D 104

Patent

active

047702125

ABSTRACT:
A flow controller apparatus having few moving parts that may be inserted directly into a flow line to be responsive to flow pressure and maintain the flow rate constant. The flow controller consists of a tubular frame section having an internal bore that is a revolutional chamber having a maximum cross-sectional diameter at the inlet end and tapering, either linearly or non-linearly, toward a minimum cross-sectional area across a throat portion. A control rod and differential pressure plate supported axially movably in said chamber is spring biased toward the inlet end of the chamber, and is movable in response to upstream flow pressure to adjust the cross-sectional fluid flow area to maintain a constant flow rate.

REFERENCES:
patent: 1635040 (1927-07-01), Fales
patent: 3106226 (1963-10-01), Machen
patent: 3431944 (1969-03-01), Sakuma
patent: 3952776 (1976-04-01), Eversole et al.
patent: 4022113 (1977-05-01), Blatt
patent: 4361166 (1982-11-01), Honaga et al.
patent: 4383550 (1983-05-01), Sotokazu
patent: 4542766 (1985-09-01), Gawer et al.

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