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Aircraft including mitigation system for rechargeable batteries

A technology for recharging and aircraft, applied in the direction of secondary batteries, battery pack components, secondary battery repair/maintenance, etc., can solve problems such as low efficiency

Active Publication Date: 2015-10-28
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Designers of complex systems can address such inefficiencies in various ways

Method used

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  • Aircraft including mitigation system for rechargeable batteries
  • Aircraft including mitigation system for rechargeable batteries
  • Aircraft including mitigation system for rechargeable batteries

Examples

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Embodiment Construction

[0041] Reference shows the aircraft 110 figure 1 . Aircraft 110 includes fuselage 120 , wing assemblies 130 , tail 140 , and propulsion unit 150 . Aircraft 110 further includes power system 160 . The power system 160 includes a generator driven by the propulsion unit 150 . Power system 160 also includes at least one generator driven by an auxiliary power unit (APU). The electrical energy produced by the generator is placed on an electrical distribution bus. Power system 160 may also have provisions for receiving grounded power.

[0042] Power system 160 further includes at least one rechargeable battery. The battery may provide backup power for one or more subsystems of the aircraft 110 .

[0043] Reference is now made to illustrating an example of the electrical system of aircraft 200 figure 2 . The power system includes two starter generators 210 and two APU starter generators 220 per engine. The power system further includes a power distribution bus 230 and a remo...

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Abstract

An aircraft comprises a rechargeable battery including an array of battery cells, and means for mitigating consequences of failure of the rechargeable battery due to aircraft operating cycle.

Description

Background technique [0001] Commercial aircraft typically use bleed air from their turbo propulsion engines to power subsystems such as environmental controls and brakes. However, this use of bleed air reduces the efficiency of the turbine engine. Additionally, the pipes, valves and controls used to provide bleed air to the subsystems add to the weight of the aircraft. [0002] More advanced commercial airliners can use electricity to power certain subsystems that used to be powered by bleed air. Electricity is provided from a generator driven by the propulsion engine. Backup power is available from a generator driven by an auxiliary power unit (APU) on the aircraft. Additional backup power is available from a ram air turbine. [0003] Rechargeable batteries also provide another backup power source. However, nickel-cadmium (Ni-Cd) batteries used in early commercial aircraft were not viable for providing backup power for certain subsystems. [0004] Lithium-ion (Li-ion) (...

Claims

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Application Information

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IPC IPC(8): H01M2/10H01M2/12H01M10/42H01M10/48H01M10/625H01M10/658H01M2/34H01M10/0525H01M10/647H01M50/204H01M50/244H01M50/249H01M50/325H01M50/572
CPCY02E60/10
Inventor 凯利·T·琼斯
Owner THE BOEING CO