After waiting three decades for enabling technology to catch up with its design ideas, GE-Aviation is deeply embedding itself in composite. The GEnx-1B has won about a 65 percent share of the Boeing as well as its combustor lining and fuel nozzles— will offer operators of. TAPS II Combustor. Final Report. Continuous Lower Energy, Emissions and Noise (CLEEN) Program. Submitted by General Electric. DOT/FAA/AEE/ .

Author: Maur Vosida
Country: Grenada
Language: English (Spanish)
Genre: Politics
Published (Last): 28 August 2004
Pages: 374
PDF File Size: 11.94 Mb
ePub File Size: 14.41 Mb
ISBN: 301-7-35068-375-2
Downloads: 78595
Price: Free* [*Free Regsitration Required]
Uploader: Samuramar

Consequently, CRMA has developed an innovative industrial resource, which is unique in the world, tailored to draconian inspection requirements.

Located in northern France, the future site will implement high-tech metallurgical processes and innovative management principles that leave plenty of scope for staff empowerment and creativity.

To reduce weight, it features 18 composite fan blades, a composite fan case and titanium aluminide stage 6 and 7 low-pressure turbine blades.

Retrieved 6 October Both engines enable the move towards the More Electric Aircraftthat is, the concept of replacing previously hydraulic and pneumatic systems with electrical ones to reduce weight, increase efficiency, and reduce maintenance requirements. Retrieved combushor ” https: Boeing wanted to allow changing between alternative engines within 24 hours, but had not worked it out by The engine carries composite technology [5] into the fan case.

General Electric GEnx

To reduce maintenance cost and increase engine life, spools with lower parts count are achieved by using blisks in some stages, low blade counts in combustot stages and by using fewer stages; internal engine temperatures are reduced due to more efficient cooling techniques and debris extraction within the low-pressure compressor protects the high-pressure compressor.

Retrieved 18 October Introduced in late on a freighter, Cargolux surpassed one million flight hours in early It will also have a smaller overall diameter than the initial model to accommodate installation on the Once again, the Group is putting its full weight and the complementary benefits of its global MRO network at the disposal of its clients.


It has a 10 stage high-pressure compressor and is quieter, helped by larger, more efficient fan blades. Views Read Edit View history.

High-bypass turbofan engines General Electric aircraft engines Turbofan engines — Fan blades have steel alloy leading edges and the composite fan case reduces thermal expansion.

This page was last edited on 27 Decemberat The most serious incident involved an AirBridgeCargo freighter; on July 31, while at an altitude of 41, feet over Chinathe flight crew noted two engines surging while a third lost substantial power.

Unlike the initial version, for thethis version has a traditional bleed air system to power internal pneumatic and ventilation systems. The GEnx is derived from the GE90 with a fan diameter of From Wikipedia, the free encyclopedia.

General Electric GEnx – Wikipedia

State-of-the-art industrial resources With this new-generation engine, disassembly and assembly operations require much stringency. The GEnx uses some technology from the GE90 turbofan [4]including composite fan blades, and the smaller core featured in earlier variants of the engine.

General Electric aircraft engines. One failure was caused by an assembly problem, which led to inspections of all other engines then in service.

By using this site, you agree to the Terms of Use and Privacy Policy. Commons category link from Benx. Worldwide the Dreamliner fleet is growing and therefore the GEnx engine share is increasing as well. In earlyof orders for the Bselected the GEnx Boeing Boeing Dreamliner.

In fact, triggered by offering its customers a wide repair capability, CRMA decided to dedicate a development engineer for this project and started working on developing GEnx repairs early To reduce fuel burn, the In Marcha GEnx-powered Boeing had its first in-flight shut down in operation when a JAL flight had to divert to Honolulu after an oil pressure alert, bringing its in-flight shut down rate to 1 perhours.


Engine Parts Repair

Developing innovative repairs for engine parts is key when it comes to control engine maintenance costs. During the spring and summer ofGE learned of four F freighters that suffered icing in their engines at altitudes of 40, feet and above. The laser inspection carried out using the Faro 3D arm software that we have developed, which scans the targeted areas before modelling them in real time in 3D, is the perfect response to this requirement. In the near future CRMA will extend repairs capability to combustion chamber dome’s deflectors and replacement of the thermal barrier coating.

In other projects Wikimedia Commons. The GEnx and the Rolls-Royce Trent were selected by Boeing following a run-off gemx the three big engine manufacturers.

Air France Industries KLM Engineering & Maintenance – Engine Parts Repair

General Electric began initial test runs of the bleedless GEnx variant on 19 March As mentioned above, the company aims to ramp up repair processes for combustion chamber components, in addition to assembly and disassembly operations. Among the possible factors cited was “‘unique convective weather systems’ such as unusually large thunderstorms reaching high altitudes. The pilots were able to land the plane safely but the engines were found to have sustained damage. Retrieved June 10,