Bleed valve system
OwnerDavid L. Johnsoninventor
Life of this patent
Estimating the term…
Abstract
Disclosed is a system for operating gas turbine engine bleed valves in response to pressure values within the engine, wherein the engine pressure values are sensed electronically and routed to a programmable logic device, and wherein the programmable logic device control the opening and closing of the bleed valves in a manner that allows for reduced engine vibration with minimal loss of engine efficiency.
Claims6
A system for controlling the operation of gas turbine engine bleed valves, comprising:
- first equipment adapted to sense the pressure of a gas turbine engine and to produce and send electronic signals representative the pressure of the gas turbine engine;
- a control device adapted to receive and process the electronic pressure signals, and to output control signals responsive to the electronic pressure signals;
- and
- second equipment adapted to receive the control signals from the control device and to control operation of at least one bleed valve within the engine, the second equipment including:
- a control valve manifold in communication a programmable logic device and adapted to receive the additional signals from the programmable logic device, wherein the control valve manifold is in communication with an air source and includes at least one solenoid valve, and wherein the programmable logic device provides signals to the control valve manifold to control the opening and closing of the at least one solenoid valve such that at least some of the air supplied to the at least one solenoid valve by the air source will flow through the at least one solenoid valve when the at least one solenoid valve is open.
A system for controlling the operation of gas turbine engine bleed valves, comprising:
- first equipment adapted to sense the pressure of a gas turbine engine and to produce and send electronic signals representative the pressure of the gas turbine engine;
- a control device adapted to receive and process the electronic pressure signals, and to output control signals responsive to the electronic pressure signals;
- second equipment adapted to receive the control signals from the control device and to control operation of at least one bleed valve within the engine;
- and
- a user interface in communication with a programmable logic device, wherein the user interface is adapted for use by a user to modify operating parameters of the system.
A system for controlling the operation of gas turbine engine bleed valves, comprising:
- first equipment adapted to sense the pressure of a gas turbine engine and to produce and send electronic signals representative the pressure of the gas turbine engine;
- a programmable logic device adapted to receive and process the electronic pressure signals, and to output control signals responsive to the electronic pressure signals, the programmable logic device including at least one application program for execution therein, the at least one application program including instructions and criteria for:
- (a) controlling the receipt of the electronic pressure signals;
- (b) processing the electronic pressure signals;
- and
- (c) providing control signal outputs responsive to the electronic pressure signals;
- and
- second equipment adapted to receive the control signals from the programmable logic device and to control operation of at least one bleed valve within the engine.
Dependencies are inferred from the claim text.