The front rotating fan measures 2.82 meters across. The GEnx is intended to succeed the CF6 in GE's product line. GEnx is a trademark of General Electric Company. [9], During the spring and summer of 2013, GE learned of four 747-8F freighters that suffered icing in their engines at altitudes of 40,000 feet and above. ROCE Insights For General Electric. Unlike the initial version, for the 787, this version has a traditional bleed air system to power internal pneumatic and ventilation systems. Qantas sets record for ultra-long trip, powered by GEnx Aviation Week GE Sees Military as Driving Next-Gen Technology GE Aviation. The company produces products ranging from toasters and clock radios to healthcare devices to the GEnx jet engine for the Boeing 787 aircraft. GE Aviation, an operating unit of GE (NYSE: GE), is a world-leading provider of jet and turboprop engines, as well as integrated systems for commercial, military, business and general aviation aircraft. The GEnx was expected to produce thrust from 53,000 to 75,000 lbf (240 to 330 kN) with first tests commencing in 2006 and service entry by 2008 (delayed by 787 deliveries). They are 2 different engines, designed and produced by different manufacturers to fit the same basic requirement: powering the 787. [12] The airworthiness directive affects 43 Boeing 787 Dreamliners in the US. A first is the elimination of bleed air systems using high temperature/high pressure air from the propulsion engines to power aircraft systems such as the starting, air-conditioning and anti-ice systems. General Electric (NYSE:GE) posted a 107.91% decrease in earnings from Q2. [11] Meanwhile, GE continues to work on a performance improvement packages (PIP) for both the GEnx-2B –the sole powerplant for the 747-8–and the … To reduce weight, it features 18 composite fan blades, a composite fan case and titanium aluminide stage 6 and 7 low-pressure turbine blades. Parker nozzles are an integral part of the engine’s low-smoke, low-NOx, and low-CO performance. [15], The GEnx is derived from the GE90 with a fan diameter of 111.1 in (282 cm) for the 787 and 104.7 in (266 cm) for the 747-8. Fuel efficiency is improved by 15% compared to the CF6, the bypass ratio reaches up to 9.0:1 and the overall pressure ratio up to 58.1:1. The GEnx is intended to replace the CF6 in GE's product line. The GEnx is part of GE's "ecomagination" product portfolio - GE's business strategy to develop new, cost-effective technologies that enhance customers' environmental and operating performance. The 787 main electrical power generation and start system is a four-channel variable frequency system with two 250 kVA VFSGs on each of the two main engines. "Uzbekistan Airways Selects GEnx engines for Boeing 787 Dreamliners", "China Eastern Selects GEnx Engine to Power Its Boeing 787 Dreamliners", "Volga-Dnepr Group Signs MOU for Additional GEnx-Powered Boeing 747-8 Aircraft", "FAA Orders 'Urgent' 787 Repair After Engine Fails at 20,000 Feet", "The Innovative 787 Carries Boeing, And Aviation, Ahead", General Electric Performs First Run of New GEnx Engine, "GE In Talks With Airbus Over Potential A350neo", "Issues With Newest Engines Provide Early MRO-Proving Opportunities", "GE identifies installation issue in GEnx, orders inspections", "Icing Hazards Surface on Boeing's Newest 747 Jet", "GE-powered JAL 787 has in-flight shutdown", "FAA orders engine icing fixes for GEnx-powered Boeing 787 Dreamliners", "FAA Orders Urgent Fixes For Boeing 787 Dreamliners", "Airbus and Boeing are head-to-head in the widebody sector", "GE wraps up GE9X trials as 777X flight tests near", "Designing High-Tech Engines For Easier Maintenance", "Type certificate data sheet number E00078NE, Revision: 14", "General Electric's GEnx-1B engine for the Boeing 787 makes first flight on 747 testbed", "GE plans mid-July nod for GEnx siblings", https://en.wikipedia.org/w/index.php?title=General_Electric_GEnx&oldid=987293869, Creative Commons Attribution-ShareAlike License, This page was last edited on 6 November 2020, at 02:57. General Electric GEnx 4 Articles. ANA ANA opts for GEnx for latest 787-order. [6] The first flight with one of these engines took place on 22 February 2007, using a Boeing 747-100, fitted with one GEnx engine in the number 2 (inboard left hand side) position. It first ran on ground in April 2016 and first flew on March 13, 2018; it powered the 777-9's maiden flight in early 2020. "The GEnx engine is also demonstrating better fuel burn on the 787, and as a result, GEnx-powered 787s are flying routes that would be challenging … The whole engine weighs 6 tonnes and can produce 76,100 pounds of thrust. GEnx is the best-selling engine on the 787 Dreamliner in addition to powering the four-engine Boeing 747-8. The GEnx and the Rolls-Royce Trent 1000 were selected by Boeing following a run-off between the three big engine manufacturers. Gen X: Gen X was born between 1965 and 1979/80 and are currently between 40-55 years old (65.2 million people in U.S.) Gen Y: Gen Y, or Millennials, were born between 1981 and 1994/6. The GEnx is a massive bit of kit. Aviation Week this weekend broke the news that Airbus and General Electric are discussing possible new versions of the A350XWB twin-aisle … General Electric Next Generation) – udoskonalony silnik turbowentylatorowy amerykańskiej firmy General Electric stosowany w samolotach Boeing 787 Dreamliner (GEnx-1B) oraz Boeing 747-8 (GEnx-2B). Boeing predicts reduced fuel consumption of up to 20% and significantly quieter engines than current turbofans. One failure was caused by an assembly problem, which led to inspections of all other engines then in service. The General Electric GEnx ("General Electric Next-generation") is an advanced dual rotor, axial flow, high-bypass turbofan jet engine in production by GE Aviation for the Boeing 787 and 747-8. A 66,500 lbf (296 kN) thrust version (GEnx-2B67) will be used on the 747-8. The General Electric GE9X is a high-bypass turbofan developed by GE Aviation exclusively for the Boeing 777X. GEnx is the best-selling engine on the 787 Dreamliner in addition to powering the four-engine Boeing 747-8. The talks are a blow to Rolls-Royce, which is currently the only engine provider for the A330 and Airbus’s A350 wide-body. To reduce fuel burn, the 23:1 pressure ratio high-pressure compressor is based on the GE90-94B, shrouded guide vanes reduce secondary flows and counter-rotating spools for the reaction turbines reduce load on guide vanes.[19]. “The GEnx was the fastest selling engine in GE’s history, and now it’s the fastest production ramp up of a GE wide-body engine program,” says Tom Levin, general manager of the GEnx and CF6 engine product lines at GE Aviation. In January 2016 a Japan Airlines 787 had an inflight shutdown after flying through icing conditions, caused by ice formed on fan blades and ingested: the blades moved forward slightly and rubbed on the abradable seal in the casing. After the initial unveiling GE Aviation decided to offer the engine for the original Airbus A350 as… and contributing to increased fuel efficiency on the GEnx engine. Taking the 76,000 pounds of thrust, which the GEnx ca… Boeing selected two new engines to power the 787, the Rolls-Royce Trent 1000 and … The GEnx is intended to succeed the CF6 in GE's product line. It received its FAA type certificate on September 25. These leading-edge technologies and the engine's elegant architecture bring in high operational reliability, excellent utilization rate and route flexibility for more flights per year and more revenue for airlines. GE Aviation, an operating unit of GE (NYSE: GE), is a world-leading provider of jet and turboprop engines, as well as integrated systems for commercial, military, business and general aviation aircraft. The engine carries composite technology[5] into the fan case. It also introduces Titanium Aluminide blades to stages 6 and 7, reducing engine weight by approximately 400 lbs. General Electric GEnx (ang. GE’s GEnx engine is an option on Boeing Co. ’s 787 Dreamliner wide-body. Nozzles with proven reliability Aircraft types in the ASN database fitted with the General Electric Genx engine: The power from these generators is supplied to the main load buses through generator feeders and generator circuit breakers (see fig. Information for this article was provided by GE Aviation in Cincinnati, OH. The GEnx is the fastest-selling, high-thrust jet engine in GE Aviation history with more than 2,700-plus engines in-service and on order. Zürich, Switzerland - March 08, 2015: Detail of fan blades and inlet guide vanes of a General Electric GEnx engine at Zurich Airport. The GEnx is the fastest-selling, high-thrust jet engine in GE Aviation history with more than 1,300 engines on order. [8], In March 2014, a GEnx-powered Boeing 787 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 per 278,000 hours. It has a 10 stage high-pressure compressor and is quieter, helped by larger, more efficient fan blades. Idealized, the Brayton cycle describes the generation of fast moving fluid for thrust in jet propulsion and, more directly, dictates the relationship between thermal efficiency and pressure ratio, rp. The General Electric GEnx (G eneral E lectric N e x t-generation) is an advanced dual rotor, axial flow, high-bypass turbofan jet engine in production by GE Aviation for the Boeing 787 and 747-8. General Electric began initial test runs of the bleedless GEnx variant on 19 March 2006. GE Aviation has a global service network to support these offerings. The engine market for the 787 is estimated at US$40 billion over the next 25 years. All Nippon Airways (ANA) latest commitment for up to 20 extra Boeing 787’s is not significant for the sheer number of aircraft, nor the sub-types (11 787-10s and up to 9 -9s). The GEnx-2B contains an identical core and similar materials as the GEnx-1B to provide synergies for mixed GEnx fleets. They are currently between 24-39 years old (72.1 million in the U.S.) Gen Y.1 = 25-29 years old (around 31 million people in U.S.) Follow GE Aviation on Twitter and YouTube. To accommodate this larger-diameter engine, the 767-X … General Electric Co. General Electric Co. is a technology and financial services company. 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