Fluid handling – Systems – Multi-way valve unit
Patent
1975-01-28
1976-02-24
Klinksiek, Henry T.
Fluid handling
Systems
Multi-way valve unit
F16K 11083
Patent
active
039398714
ABSTRACT:
A burner block valve assembly for controlling the flow of oil and steam to a steam atomized oil burner which includes a tapered valve plug rotatable in a tapered bore of a valve body between an open burner ignited position and a closed burner extinguished position, the valve body including upper and lower diametrical ports having inlets respectively connected to an oil source and a steam source, and outlets commonly connected to the oil burner. Passages in the valve plug directly connect respective inlets and outlets in the open position to provide atomizing steam and oil to the burner tip, the steam passage including circumferential offset passage which provide steam flow to the burner tip in advance of oil flow as the valve plug is rotated to the open position thereby assuring atomizing steam prior to initial oil flow. The valve includes supplementary passageways which in the closed position route steam through both outlets to purge the oil line to prevent coking and also to provide steam at the tip for cooling purposes and further includes an oil bypass passage which recirculates oil to an oil return port to provide continuous oil flow thereby preventing stagnation when the oil burner is not ignited.
REFERENCES:
patent: 2909217 (1959-10-01), Lamal
Klinksiek Henry T.
Rockwell International Corporation
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