Methods and systems for controlling flammability control systems in aircraft and other vehicles
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Abstract
Methods and systems for controlling fuel tank flammability control systems are disclosed herein. In one embodiment, a system for use with an aircraft or other vehicle includes a flammability control system and a controller operably coupled to the flammability control system. The flammability control system can be configured to control the development of flammable vapors in a fuel tank of the vehicle. The controller can be configured to receive one or more signals relating to a condition of the fuel tank and control operation of the flammability control system at least partially in response to the one or more fuel tank condition signals. In another embodiment, the controller can be configured to receive one or more signals relating to an operational phase of the aircraft and control operation of the flammability control system at least partially in response to the one or more aircraft operation signals.
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Citations
63 Claims
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1-29. -29. (canceled)
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30. A vehicle system comprising:
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a flammability control system configured to suppress the development of flammable vapors in a fuel tank of a vehicle; and
a controller operably coupled to the flammability control system, wherein the controller is configured to receive a signal from an air conditioning system of the vehicle, and wherein the controller is further configured to control operation of the flammability control system at least partially in response to the signal from air conditioning system. - View Dependent Claims (31, 32, 33, 58, 59, 60, 61, 62)
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34-37. -37. (canceled)
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41-43. -43. (canceled)
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44. A method for controlling a flammability control system, the method comprising:
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operating the flammability control system at a first level of operation to suppress the development of flammable vapors in a fuel tank of a vehicle;
receiving one or more signals relating to an operational phase of the vehicle;
when the one or more signals correspond to a first level of flammable vapors in the fuel tank, continuing to operate the flammability control system at the first level of operation; and
when the one or more signals correspond to a second level of flammable vapors in the fuel tank that is less than the first level of flammable vapors, at least reducing the operating level of the flammability control system from the first level of operation to a second level of operation that is less than the first level of operation, wherein receiving one or more signals relating to an operational phase of the vehicle includes receiving a signal from a landing gear system of an aircraft. - View Dependent Claims (38, 39, 40, 46, 48)
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45. A method for controlling a flammability control system, the method comprising:
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operating the flammability control system at a first level of operation to suppress the development of flammable vapors in a fuel tank of a vehicle;
receiving one or more signals relating to an operational phase of the vehicle;
when the one or more signals correspond to a first level of flammable vapors in the fuel tank, continuing to operate the flammability control system at the first level of operation; and
when the one or more signals correspond to a second level of flammable vapors in the fuel tank that is less than the first level of flammable vapors, at least reducing the operating level of the flammability control system from the first level of operation to a second level of operation that is less than the first level of operation, wherein operating the flammability control system at a first level of operation includes flowing inert gas into the fuel tank, wherein receiving one or more signals relating to an operational phase of the vehicle includes receiving a signal from a landing gear system of an aircraft, and wherein at least reducing the operating level of the flammability control system includes at least reducing the flow of inert gas into the fuel tank when the one or more signals indicate that the aircraft is on the ground. - View Dependent Claims (63)
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47. (canceled)
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49. (canceled)
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52. A computer-readable medium including computer-readable instructions configured to cause a controller to control a flammability control system by a method comprising:
receiving one or more signals relating to at least one of a condition of a fuel tank and an operational phase of a vehicle;
when the one or more signals correspond to a first level of flammable vapors in the fuel tank, operating or continuing to operate the flammability control system at a first level of operation; and
when the one or more signals correspond to a second level of flammable vapors in the fuel tank that is less than the first level of flammable vapors, operating or continuing to operate the flammability control system at a second level of operation that is less than the first level of operation, wherein operating the flammability control system at a first level of operation includes operating at least one cooling fan at a first level to cool the fuel tank, and wherein operating the flammability control system at a second level of operation includes at least reducing power to the cooling fan. - View Dependent Claims (50, 51)
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53. (canceled)
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54. A system for controlling a flammability control system, the system for controlling comprising:
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receiving means for receiving one or more signals relating to at least one of a condition of the fuel tank and an operational phase of the vehicle, and control means for causing the flammability control system to operate or continue operating at a first level of operation when the one or more signals correspond to a first level of flammable vapors in the fuel tank, and at a second level of operation that is less than the first level of operation when the one or more signals correspond to a second level of flammable vapors in the fuel tank that is less than the first level of flammable vapors, wherein the receiving means includes means for receiving a signal from a landing gear system of an aircraft. - View Dependent Claims (55, 56, 57)
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Specification