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7600717 |
Aircraft wings and fuel tanks
On failure, a burst rotor of a wing-mounted engine ( 13, 23 ) can penetrate fuel tank walls in the wing of a conventional aircraft. There exists a zone that is at risk of such damage. Thus, the...
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7597288 |
In-flight refueling lightning protection system
A lightning protection system, method and aircraft are provided for reducing the flammability of jet fuel spilled during an in-flight refueling operation between a supplying aircraft and a...
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7584782 |
Valve defining modulated and unmodulated flow paths
A valve comprises an inlet portion configured to couple to a source of a fluid, and a body portion in fluidic communication with the inlet portion. The body portion defines a modulated flow path...
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7581700 |
Adjustable fittings for attaching support members to fluid conduits, including aircraft fuel conduits, and associated systems and methods
Adjustable fittings for attaching support members to fluid conduits, including aircraft fuel conduits, are disclosed herein. An aircraft system in accordance with one embodiment of the invention...
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7556223 |
Vent system for an aerospace vehicle
An improved vent system for venting an internal cavity of an aerospace vehicle to an exterior surface of the aerospace vehicle generally includes a substantially concave vent inlet surface recessed...
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7533850 |
Fittings with redundant seals for aircraft fuel lines, fuel tanks, and other systems
Fittings with redundant seals for aircraft fuel lines, fuel tanks, and other systems are disclosed. A fitting in accordance with one embodiment can be positioned adjacent to an aperture in a fuel...
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7493911 |
Shrouded valve apparatus and related methods
A shrouded valve apparatus including an outer conduit, an inner conduit disposed within the outer conduit, and a valve member operable to regulate flow through the inner conduit. This apparatus is...
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7380754 |
Clamp block assemblies and methods
Clamping devices and methods for supporting pipes that experience biaxial loading forces are provided. The clamping device transmits forces from the pipe to surrounding supporting frame structure....
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7357149 |
Auxiliary fuel tank systems for aircraft and methods for their manufacture and use
Auxiliary fuel tank systems for aircraft and methods for their manufacture and use. In one embodiment, an aircraft can include a fuselage, at least one engine, and a fuel system configured to...
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7322546 |
Performance airplane wing with tip tank assembly
The present development relates to an improved wing having a tip tank assembly. The tip tank assembly is attached to a distal end of an outer wing section. The tip tank assembly includes a tank, a...
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7309047 |
Systems and methods for controlling flexible communication links used for aircraft refueling
Systems and methods for controlling flexible communication links used for aircraft refueling are disclosed. A system in accordance with one aspect of the invention includes a support configured to...
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7300494 |
On-board inert gas generation system with compressor surge protection
A valve assembly includes a nitrogen enriched airflow control valve, a first stage surge control valve and a second stage surge control valve respectively arranged in a passage downstream of an air...
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7222821 |
Method and apparatus for treating fuel to temporarily reduce its combustibility
A method and apparatus are disclosed for treating fuel to temporarily reduce its combustibility, and thereafter restore its combustibility. As used in an aircraft, the method comprises the...
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7213787 |
Valves for annular conduits including aircraft fuel conduits and associated systems and methods
Valves for annular conduits and associated systems and methods are disclosed. A fluid transmission system in accordance with one embodiment of the invention includes a first conduit having a first...
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7172157 |
Increasing the performance of aircraft on-board inert gas generating systems by turbocharging
A modular, on-board, inert gas generating system for aircraft is disclosed in which main components such as a heat exchanger, filter, air separation module, and turbocharger are provided in a...
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7152635 |
Commercial aircraft on-board inerting system
An inerting system ( 10 ) for an aircraft ( 12 ) includes one or more fuel tank circuits ( 15 ) associated with fuel tanks ( 16 ). An air source ( 17 ) supplies pressurized air. A heat exchanger (...
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7111809 |
Aircraft excessive fuel dumping ejection parallel to flight direction
Excessive fuel is dumped by ejection under a pressurized outflow velocity from an aircraft during flight as jets in a direction parallel to air stream flow relative to the aircraft, from a...
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7097131 |
Drain valve and method of mounting
The invention includes a method of mounting a component to the skin of an aircraft. The component can include a drain valve, a gas cap, other external fuel instrumentation such as sensors, and...
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7090167 |
Method and apparatus for liquid containment, such as for aircraft fuel vessels
A vessel, such as a wing-integrated aircraft fuel tank. The vessel can include a first surface portion, a second surface portion spaced apart from the first surface portion, and a core positioned...
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7051979 |
Auxiliary fuel tank systems for aircraft and methods for their manufacture and use
Auxiliary fuel tank systems for aircraft and methods for their manufacture and use. In one embodiment, an aircraft can include a fuselage, at least one engine, and a fuel system configured to...
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7007893 |
Methods and systems for controlling flammability control systems in aircraft and other vehicles
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...
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6973773 |
Propellant supply device
A propellant supply device ( 10 ) is provided for a vehicle ( 11 ) having a main propulsion motor ( 12 ) and having an attitude control system ( 11 ) including a plurality of thrusters ( 14 A, 14...
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6910659 |
Method and apparatus for liquid containment, such as for aircraft fuel vessels
A vessel, such as a wing-integrated aircraft fuel tank. The vessel can include a first surface portion, a second surface portion spaced apart from the first surface portion, and a core positioned...
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6899300 |
Process for the loading of fuel into an aircraft on the ground
A process for loading of fuel into an aircraft on the ground, wherein an optimal position Cgt of the center of gravity of the aircraft is aimed for by adjusting the weight of fuel poured into the...
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6837464 |
Lox-compatible composite tank for aerospace applications
Composite tanks are desirable for aerospace applications since they are much lighter than comparable metal tanks. Various polymeric compositions satisfy the requirements to make a Lox compatible tank.
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6832743 |
Method for managing in-flight refuelling of a fleet of aircraft
The in-flight refueling of a squadron of aircraft by a tanker by means of the same refueling hose requires the formation of a queue and the determination of the number of passes, one or possibly...
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6830219 |
Fuel inerting system
A fuel inerting system, comprising a first supply means ( 2 ) to supply an inert gas to a fuel tank ( 8 ) to scrub the fuel therein when the ullage ( 16 ) of the fuel tank is inert, and a second...
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6802479 |
Flammable fluid line shroud
A method and apparatus contains and drains leakage from fluid system piping on a mobile platform such as an aircraft. A generally U-shaped channel is formed having outwardly oriented edge flanges...
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6779707 |
Friction stir welding as a rivet replacement technology
The present invention provides an improved method and apparatus for joining aluminum allow panels (eg. 2090-T83 aluminum lithium alloy). The method preliminarily positions two panels and skin...
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6745983 |
Integrated tankage for propulsion vehicles and the like
Apparatus and methods for integrating structural members inside the body of a propulsion vehicle with tankage used to store fluid propellant and the like. Propulsion vehicles may be made lighter,...
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6739359 |
On-board inert gas generating system optimization by pressure scheduling
A modular, on-board, inert gas generating system for aircraft is disclosed in which main components such as a heat exchanger, filter, and an air separation module, and a pressure scheduling valve...
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6729359 |
Modular on-board inert gas generating system
A modular, on-board, inert gas generating system for aircraft is disclosed in which main components such as a heat exchanger, filter and air separation module are provide in a modular unit sized to...
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6698692 |
Aircraft fuel tank ullage safety system
An aircraft fuel tank ullage safety system ( 10 ) that is designed to maintain the fuel tank ullage ( 94 ) of an aircraft fuel tank ( 90 ) filled with nitrogen. The nitrogen prevents the fuel tank...
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6695256 |
Cryogenic propellant depletion system for a launch vehicle
A cryogenic propellant depletion system for maximizing cryogenic propellant use in a space launch vehicle. The cryogenic propellant depletion system utilizes a plurality of pressure measurements to...
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6682016 |
Thermal management valve with drop-tight shutoff of return to tank
A thermal management system for an aircraft fuel system includes a plurality of fuel pressure sources. A spool valve is fluidly connected to the pressure sources and is movable between a plurality...
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6644594 |
Flight refueling guide
In an in-flight refueling system of an aircraft having a recess therein containing a slipway leading to a fuel inlet port, an improvement is provided in the form of a guideway having a) a pair of...
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6638649 |
Method and article of manufacture to effect an oxygen deficient fuel cell
A method and article of manufacture for effecting an oxygen deficient fuel cell wherein an oxygenless gas is introduced to the internal structure of a fuel cell as fuel volume is diminished thereby...
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6585192 |
Vented compartment inerting system
1. An inerting system for a vented controlled atmosphere container, for inerting a flammable gas comprising a flammable vapor and oxygen, comprising: (i) a container; (ii) an outlet in the...
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6547188 |
Process and device for inerting an aircraft fuel tank
There is produced (at 2 ) air enriched in inert gas, from a source ( 9 ) of compressed air internal to the aircraft, and this enriched air is admitted (via 10 ) into the fuel tank ( 12 ). During...
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6494405 |
PEAR composites for oxygen systems
The development of polymer composite liquid oxygen (LOX) tanks is a critical step in creating the next generation of launch vehicles. A composite LOX tank will weigh significantly less than...
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6491255 |
Crashworthy external auxiliary fuel tank for aircraft
An external auxiliary fuel tank for aircraft including a crashworthy bladder carried within an elongated shell. A center structure is carried by the shell intermediate opposing ends thereof,...
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6450193 |
Flammable liquids
An aircraft fuel tank ( 101 ) comprises an inner and an outer chamber ( 103, 105 ) which are fluidly interconnected via a plurality of open-ended pipes ( 109 ). A non-flammable gas, which is...
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6446905 |
Janus reusable spacecraft system
A reusable spacecraft system having two substantially identically reusable return flight space vehicles, one of which is preferably a booster and the other an orbiter, each of which have identical...
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6440317 |
Cyclonic ice separation for low temperature jet fuels
A cyclonic ice separator ( 72 ) is provided for removing ice from low temperature aviation fuels. The temperature of the fuel is lowered beneath the freezing point of water, such that significant...
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6439506 |
Ventilation valve with a breathing channel for a tank container of a helicopter
A ventilation valve cooperating with a breathing channel for a fuel tank of a helicopter has a safety device arranged in a valve housing of the ventilation valve. To seal the breathing channel from...
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6422514 |
Common bulkhead cryogenic propellant tank
The present invention discloses a novel fuel structure for housing and delivering disparate cryogenic fuels to combustion zones in an aerospace vehicle. The tank comprises a plurality of containers...
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6398165 |
Protective enclosure with peripheral fluid storage facility
Fluids such as air, liquid or gaseous fuels are stored within a passage of a helically wound flexible hose sandwiched within a peripheral portion of a tubular enclosure of a transport vehicle...
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6375125 |
Hybrid composites for oxygen propulsion systems
The development of polymer composite liquid oxygen (LOX) tanks is a critical step in creating the next generation of launch vehicles. A composite LOX tank will weigh significantly less than...
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6343465 |
Aircraft fuel tank explosion reduction safety method
An efficient, economical, reliable method for reducing aircraft fuel tank explosion potential that can easily be manufactured or retrofitted to existing aircraft systems. Ducting means to connect...
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6334589 |
Cyanate ester composites for oxygen containment
The development of polymer composite liquid oxygen (LOX) tanks is a critical step in creating the next generation of launch vehicles. A composite LOX tank will weigh significantly less than...
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