Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1995-11-14
1997-12-09
Michalsky, Gerald A.
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
60739, 13711804, 13762546, 239 76, F16K 1100
Patent
active
056949677
ABSTRACT:
A flow control valve for multiport injection of pressurized liquid through an array of injection nozzles for a gas turbine engine is connected by nozzle ports to the engine. In accordance with a first embodiment, the valve includes a slidable valve spool which progressively opens and closes a plurality of radially opening first ports. In accordance with a second embodiment the valve employs a rotatable disc which progressively opens and closes a plurality of axially opening first ports. Both embodiments utilize non-circular apertures to effect opening of the first ports. A plurality of second ports communicate with a chamber containing the valve spool or rotatable disc, the second ports communicating with individual compensators that are also in communication with the first ports and nozzle ports. The compensators connect the first ports to the nozzle ports through a variable flow valve which is biased to the fully open opposition against the pressure of liquid in the second ports. By so configuring the flow control valve, pressure in the chamber compensates for pressure surges in the pressurized liquid by reducing flow through the variable flow valve in response to pressure increases in the pressurized fluid.
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Dana Corporation
Michalsky Gerald A.
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