IP Library Granted Patent US 11,885,287
Granted Patent B2
US 11,885,287 · App. 17/371,218 · Granted Jan 30, 2024

De-preserving a fuel system of a turbine engine

Inventors: Joshua Seyler (Stuart, FL); Lajos H. Horvath (Jupiter, FL); Sami Chukrallah (West Palm Beach, FL); Richard D. Konney (Palm City, FL)
Assignee: RTX Corporation
F02M7/22B67D7/02F01D19/00
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Quick Facts
Patent No.
US 11,885,287
App. No.
17/371,218
Filed
Jul 9, 2021
Granted
Jan 30, 2024
Kind
B2
Art Unit
3753
USPC
141/1
Abstract

A method is provided for treating a fuel system of a turbine engine. During this method, a treatment system is connected to the turbine engine. Preservation fluid is drawn out of the fuel system using the treatment system.

Claims (29)

1. A method for treating a fuel system of a turbine engine, the method comprising:

connecting a treatment system to the fuel system of the turbine engine, wherein the fuel system includes an injector;

drawing preservation fluid out of the fuel system using the treatment system, the drawing of the preservation fluid comprising drawing the preservation fluid out of the injector; and

priming the fuel system with fuel using a fuel pump after the preservation fluid is drawn out of the fuel system by a preservation fluid pump, wherein the treatment system includes the fuel pump and preservation fluid pump.

2. The method of claim 1 , wherein the drawing of the preservation fluid out of the fuel system comprises applying suction to the fuel system using the treatment system to draw the preservation fluid out of the fuel system.

3. The method of claim 1 , further comprising:

directing the preservation fluid drawn out of the fuel system into a container;

wherein the treatment system is configured as a mobile unit and includes the container.

4. The method of claim 1 , wherein the drawing of the preservation fluid out of the fuel system comprises applying suction to the fuel system using the preservation fluid pump; and

the treatment system is configured as a mobile unit and includes the preservation fluid pump.

5. The method of claim 1 , further comprising actuating a flow regulator of the fuel system to facilitate the drawing of the preservation fluid out of the fuel system.

6. The method of claim 5 , wherein

the flow regulator is actuated using a control system; and

the treatment system is configured as a mobile unit and includes the control system.

7. The method of claim 1 , wherein the preservation fluid is drawn out of the fuel system independent of start up of the turbine engine.

8. A method for treating a fuel system of a turbine engine, the method comprising:

connecting a treatment system to the turbine engine, the connecting comprising fluidly coupling the treatment system with a fuel system interface, wherein the fuel system includes an injector, the fuel system interface and a flow regulator, and the flow regulator is fluidly coupled between the injector and the fuel system interface; and

drawing preservation fluid out of the fuel system using the treatment system, wherein the preservation fluid is drawn out from the fuel system at the injector through the flow regulator,

wherein the treatment system includes

a control system configured to signal the flow regulator to open;

a fluid system including a fluid system interface and a first pump fluidly coupled with the fluid system interface, the fluid system interface configured to fluidly couple with the fuel system interface, and the first pump configured to draw the preservation fluid out from the fuel system; and

the fluid system further including a second pump configured to prime the fuel system with fuel after the preservation fluid is drawn out of the fuel system by the first pump.

9. The method of claim 8 , wherein at least one of the control system or the fluid system is arranged with and mounted to a mobile housing.

10. The method of claim 8 , wherein

the control system includes a wiring harness with a power input; and

the control system is configured to selectively direct electrical current from power input to the flow regulator through the wiring harness.

11. The method of claim 10 , wherein the power input is configured to electrically couple the control system with an outside power source.

12. The method of claim 10 , wherein the power input is configured to electrically couple the control system to a battery.

13. The method of claim 8 , wherein the fluid system further includes a container configured to receive the preservation fluid drawn out from the fuel system by the first pump.

Assignments (2)
CHANGE OF NAME Recorded Jul 27, 2023
From: RAYTHEON TECHNOLOGIES CORPORATION
To: RTX CORPORATION
Reel/Frame 064402/0837 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 22, 2021
From: SEYLER, JOSHUA; HORVATH, LAJOS H.; CHUKRALLAH, SAMI; KONNEY, RICHARD D.
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 057877/0756 →
Continuity (1)
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