Fuel manifold for turbine
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United States of America Patent
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Nov 5, 2013
Grant Date -
N/A
app pub date -
Oct 27, 2011
filing date -
Oct 28, 2010
priority date (Note) -
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Abstract
A fuel manifold for turbine engines, such as the large turbines used for generating electrical power, has a housing with straight internal porting for routing fuel and purge media streams to the combustion area of the turbine. A pressure balanced fuel valve regulates fuel using a poppet actuator. A piston section of the actuator dynamically seals off actuation pressure from the fuel. A valve section of the actuator dynamically seals off a vented area from the fuel and regulates fuel flow through the valve. The piston section has internal porting to a collector tube within the vented area for directing media leaked past the piston seal(s) to a vent port, and thereby prevent mixing of the fuel and actuation media.
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