Split control unit
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United States of America Patent
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Feb 21, 2017
Grant Date -
Feb 21, 2013
app pub date -
Aug 17, 2012
filing date -
Aug 19, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A split control unit in a distributed flow unit includes a flow inlet configured to receive a fuel flow, a first manifold having flow lines to supply fuel to one or more primary nozzles, and a second manifold having flow lines to supply fuel to one or more secondary nozzles. In an embodiment, the second manifold is in fluid communication with the flow inlet. A metering valve has a first port in fluid communication with the flow inlet and with the second manifold. The metering valve is configured to supply a metered fuel flow to the first manifold. A flow passage is in fluid communication with, and runs between, a flow line of the first manifold and a flow line of the second manifold to allow for a continuous cooling flow in the second manifold when all of the one or more secondary nozzles are closed.
First Claim
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International Classification(s)
- F16K:VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR....
- F23K:FEEDING FUEL TO COMBUSTION APPARATUS
- F23R:GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR....
- F02C:GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION....
- F01D:NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g....
- F02G:HOT-GAS OR COMBUSTION- PRODUCT POSITIVE-DISPLaCEME....
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