Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A turbojet engine in which a fan supplements the total thrust by forcing air directly into the hot turbine exhaust.
- noun An aircraft in which a turbofan is used.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
turbojet engine having a (typically ducted)fan that forces air directly into the hotexhaust and obtains a portion of the thrust from the turbojet and a portion from the turbojet section.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an airplane propelled by a fanjet engine
- noun a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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The company, owned by European Aeronautic Defence & Space Co. NV, is offering two engine choices: CFM's Leap-X, and the PW1100G geared turbofan from arch-rival Pratt & Whitney.
CFM Gets Airbus A320 Engine Order David Pearson 2011
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The company invested $1 billion to develop a new jet engine—the geared turbofan—in an attempt to get back into the single-aisle-jet business, but is off to a slow start after being frozen out of Boeing Co.'s plan to refresh its 737 jetliner.
UTC Deal Reached to Acquire Goodrich Kate Linebaugh 2011
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Last year, Pratt scored a coup when Airbus selected its geared turbofan engine as one of two engine options for the revamped A320.
Pratt, Rolls-Royce Realign Ties Kate Linebaugh 2011
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The company, owned by European Aeronautic Defence & Space Co. NV, is offering two engine choices: CFM's Leap-X, and the PW1100G geared turbofan from arch-rival Pratt & Whitney.
CFM Gets Airbus A320 Engine Order David Pearson 2011
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Increased engineering and development spending on its new geared turbofan engines caused margins at Pratt & Whitney to narrow.
United Technologies Earnings Climb Kate Linebaugh 2011
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The two companies plan to work together in a new venture that will develop engines for future narrow-body aircraft using Pratt's geared turbofan technology.
Pratt, Rolls-Royce Realign Ties Kate Linebaugh 2011
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Associated Press Above, a V2500 fan disk that is to be part of a Rolls-Royce turbofan engine.
Rolls-Royce Retreats to Gain Ground Matthew Curtin 2011
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The new geared turbofan engines also must balance robustness with weight to actually cut fuel consumption.
Bombardier Looks Like Flying Ace Liam Denning 2011
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Called “one of the most coveted pieces of military technology in the world,” this $35 million remotely piloted aircraft is powered by a turbofan engine and is about the size of a fighter plane.
6 Scary Unmanned Aerial Vehicles Used by the Military | Impact Lab 2010
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Pratt, a unit of United Technologies Corp., has spent more than $1 billion over the past decade developing a new jet engine called the geared turbofan, which uses very different technology from engines offered by GE and Rolls.
Pratt Revs Up Jet-Engine War Peter Sanders 2011
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