普惠发动机公司
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普惠发动机公司(Pratt & Whitney)
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普惠发动机公司是一家著名的飞机发动机制造商，它的产品被广泛用于军用和民用。作为三大飞机发动机制造商之一，是通用电气和劳斯莱斯公司的主要竞争对手和投资伙伴。普惠是联合技术公司(United Technology Company)的旗下一员。
除飞机发动机之外，普惠公司的主要产品还包括用于发电的燃气涡轮、潜艇涡轮、火车机车发动机以及火箭发动机。普惠公司成立于1860年，该公司由两名合伙人的名字命名，总部位于康涅狄格州的哈特福特郡。该公司的主要产品包括用于波音777的AW4000发动机以及用于F-22猛禽战斗机的F119发动机。 对华合作去年12月，普惠公司与中国东方航空股份有限公司签订谅解备忘录，将建立航空发动机大修合资企业。这是普惠公司首次在亚洲设立合资企业。根据这项备忘录，未来的合资企业将以上海为基地，定位于具备深度修理能力的世界级CFM56发动机大型维修工厂，主要为中国及亚太地区航空公司客户提供维修服务。今年2月，普惠公司与中国民航总局空管局签订协议，向在北京筹建的中国民航博物馆捐赠一台PW4098发动机。PW4098发动机是普惠公司目前最大的风扇发动机(112英寸)，也是推力最大的发动机(9.8万磅)，原始价值1900万美元，专门用于为B777-300飞机提供动力。
Pratt & Whitney, a United Technologies Corp. company (NYSE:UTX), is a world leader in the design, manufacture and service of aircraft engines, industrial gas turbines and space propulsion systems. Pratt & Whitney reported an operating pro?t of $2.12 billion in 2008 on revenues of $12.97 billion. The company’s 38,577 employees support more than 9,000 customers in 180 countries around the world.
Pratt & Whitney was founded in Hartford, Conn., in 1925 by Frederick Rentschler. Pratt & Whitney’s ?rst aircraft engine was the 410-horsepower, air-cooled Wasp, which delivered unprecedented performance and reliability for the time and transformed the aviation industry. Pratt & Whitney has been leading change ever since.
Pratt & Whitney builds engines for front line fighters, like the F-15 Eagle, F-16 Fighting Falcon, F-22 Raptor and F-35 Joint Strike Fighter, as well as the C-17 Globemaster III military transport.
Pratt & Whitney Canada has produced more than 60,000 engines which power corporate jets, regional aircraft and helicopters around the globe.
Pratt & Whitney’s large commercial engines power more than 30 percent of the world’s passenger aircraft ?eet. The company continues to develop new engines and work with its partners in International Aero Engines and the Engine Alliance to meet airline customers’ future needs.
Pratt & Whitney’s broad portfolio of businesses includes industrial gas turbines that light cities and power ships. Our PureCycle? power system converts heat from geothermal resources, oil and gas wells and other sources into clean electricity.
Pratt & Whitney Rocketdyne has been the power behind over 1,600 launches and has been a key engine provider to the U. S. space program since its inception. That service continues today with the Space Shuttle Main Engines and the engines for the current Delta and Atlas launch vehicles. The U.S. return to the moon and innovative missile defense products will also be powered by Pratt & Whitney Rocketdyne engines.
Pratt & Whitney is developing game changing technologies for the future, such as the PurePowerTM PW1000G engine, with patented Geared TurbofanTM technology, for next generation of passenger aircraft and hypersonic propulsion systems for aircraft that will travel more than six times the speed of sound. Through Global Service Partners, Pratt & Whitney is also developing innovative new services that will delight customers around the globe. Pratt & Whitney Global Material Solutions is the first OEM to re-engineer, certify and manufacture both gas-path and life-limited parts for the CFM56-3 engine.
普惠公司同中国的合作可以追溯到1929年，当时中国使用“洛宁”号飞机，在上海和汉口间提供航空邮政服务。这种飞机安装的就是普惠公司的“大黄蜂”发动机。二战期间，美国著名的“飞虎航空队”来华支援中国的抗日战争，他们的飞机使用的主要是普惠发动机。
1973年，装备普惠公司JT3D-7J发动机的波音707飞机首航中国。此后，普惠公司在中国先后成立了4家合资企业。目前，中国国际航空公司、中国东方航空公司和中国南方航空公司、以及海南航空公司和上海航空公司等各航空公司都在使用普惠公司的发动机。
普惠动力系统公司是普惠公司的地面动力系统分部，生产200KW-50MW的工业燃气轮机，广泛应用于发电、机械驱动和船舶动力等领域。其中FT8工业燃气轮机是普惠动力系统公司的主要产品，目前在世界上已经有超过200台FT8机组在运行，其中9台在中国的海南、深圳、成都和无锡4个电厂。