Patent ID: 9574448
Date: 2017-02-21
CPC Classifications: F01D,F02C,F02G,F05D,F16K,F23K,F23R,Y02T,Y10T

Claim:
1. A split control unit to provide a continuous cooling flow in a distributed flow system, the split control unit comprising: a flow inlet configured to receive a fuel flow; a first manifold having flow lines to supply fuel to one or more primary nozzles; a second manifold having flow lines to supply fuel to one or more secondary nozzles, the second manifold in fluid communication with the flow inlet; a metering valve having a first port in fluid communication with the flow inlet and with the second manifold, the metering valve configured to supply a metered fuel flow to the first manifold; and a flow passage in fluid communication with, and running between, a flow line of the first manifold and a flow line of the second manifolds to allow for a continuous cooling flow in the second manifold when all of the one or more secondary nozzles are closed.