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US 2016/0097362 A1Published application
Variable area orifice for an engine
AssigneeHamilton Sundstrand Corporation
InventorKerry M. Peters
Life of this patent
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Abstract
A flow control system for a fuel includes an adjustable speed control valve configured to control a flow of fuel. A variable area orifice is arranged upstream of the speed control valve and is configured to control the flow of the fuel to the speed control valve. A flow control system for a turbine fuel and a method of controlling fuel flow are also disclosed.
Claims15
A flow control system for a fuel, comprising:
- an adjustable speed control valve configured to control a flow of fuel;
- and
- a variable area orifice arranged upstream of the speed control valve and configured to control the flow of the fuel to the speed control valve.
A method of controlling a flow of fuel, comprising:
- providing a fuel to a variable area orifice configured to control a flow of the fuel;
- providing the fuel to an adjustable speed control valve arranged downstream of the variable area orifice;
- and
- selectively restricting the flow through the variable area orifice such that the speed control valve response time maintains the flow below a predetermined flowrate.
1 more element
Dependencies are inferred from the claim text.