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1.发明公开公开(公告)号：US20230323788A1
公开(公告)日：2023-10-12
申请号：US18252278
申请日：2021-11-12
CPC分类号： F01D15/10 , F02C7/32 , F02C7/275 , F05D2220/76 , F05D2260/85
摘要： A turbomachine, particularly for a rotary-wing aircraft, including a gas generator provided with a rotary shaft, a first reversible electric machine, a power turbine rotationally driven by a stream of gas generated by the gas generator, at least one accessory from among an oil pump and a fuel pump, an accessory gearbox comprising a gear train configured to drive said at least one accessory, and a second electric machine.
The second electric machine is reversible, said first electric machine is mechanically coupled to the gas generator, the accessory gearbox and the second electric machine are mechanically coupled to the power turbine, and the turbomachine is devoid of any kinematic coupling between the gear train of the accessory gearbox and the shaft of the gas generator.-
2.发明申请公开(公告)号：US20180187604A1
公开(公告)日：2018-07-05
申请号：US15129240
申请日：2015-03-26
IPC分类号： F02C7/275 , B64C27/12 , B64D35/02 , B64D35/08 , F02C3/107 , F02C3/10 , F02C7/262 , F02C9/42 , F02C7/32 , H02K7/20 , H02K7/18
CPC分类号： F02C7/275 , B64C27/12 , B64D35/02 , B64D35/08 , F02C3/10 , F02C3/107 , F02C7/262 , F02C7/32 , F02C7/36 , F02C9/42 , F05D2220/329 , F05D2220/76 , H02K7/1823 , H02K7/20 , Y02T50/671
摘要： An assistance device for a free-turbine engine of an aircraft having at least two free-turbine engines, the device including an electrical starter machine for providing prolonged assistance to the gas generator of a first engine using energy produced by an electric generator machine driven by the second engine, the device further including at least one electricity storage member electrically connected to the electrical starter machine for providing a burst of assistance to the gas generator, wherein the electrical starter machine is powered by a first power converter enabling it to exchange energy with the storage member for providing the burst of assistance, and that transmits thereto the energy supplied by a second power converter for the prolonged assistance.
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公开(公告)号：US20180058336A1
公开(公告)日：2018-03-01
申请号：US15250471
申请日：2016-08-29
发明人： Erik A. Munevar
CPC分类号： F41H13/0043 , F01D15/10 , F01D19/00 , F02C7/268 , F02C7/275 , F02C7/36 , F02C9/26 , F02C9/44 , F05D2260/42 , H02K7/1823 , Y02T50/671
摘要： A system platform includes a gas turbine engine coupled to a high power generator. The high power generator, driven by the gas turbine engine, supplies power to high power subsystems of the platform.
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公开(公告)号：US20180010522A1
公开(公告)日：2018-01-11
申请号：US15201837
申请日：2016-07-05
发明人： Benjamin T. Harder , Matthew Allen Slayter , Brian McMasters , James Vandung Nguyen , Dwayne Leon Wilson , Paul F. Fox , Richard Alan Davis , Richard R. Hergert , Jeffrey Todd Roberts , Jeff A. Brown , Daniel Richard Walker
CPC分类号： F02C7/275 , F01D21/12 , F01D25/34 , F02C7/277 , F02C7/32 , F02C7/36 , F05D2220/32 , F05D2220/323 , F05D2230/60 , F05D2260/40311 , F05D2260/85 , F16H1/46
摘要： According to an aspect, a system for a gas turbine engine includes a reduction gear train operable to drive rotation of a starter gear train that interfaces to an accessory gearbox of the gas turbine engine. The reduction gear train includes a starter interface gear that engages the starter gear train, a core-turning clutch operably connected to the starter interface gear, and a plurality of stacked planetary gear systems operably connected to the core-turning clutch and a core-turning input. The system also includes a mounting pad including an interface to couple a core-turning motor to the core-turning input of the reduction gear train.
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公开(公告)号：US20170356345A1
公开(公告)日：2017-12-14
申请号：US15180728
申请日：2016-06-13
CPC分类号： F02C7/277 , F02C7/268 , F02C7/275 , F02C7/32 , F02C7/36 , F05D2220/32 , F05D2260/85 , F16D9/08
摘要： A method and decoupler for disengaging an output shaft from an engine in a back drive event with a backdrive decoupler. The backdrive decoupler includes a an output shaft, drive shaft, and a retention mechanism selectively coupling the output shaft to the drive shaft. In a backdrive event, the decoupler decouples the output shaft from the drive shaft.
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公开(公告)号：US20170334377A1
公开(公告)日：2017-11-23
申请号：US15590554
申请日：2017-05-09
CPC分类号： B60R16/03 , B64D27/10 , F01D15/10 , F01D17/02 , F01D17/24 , F02C3/04 , F02C3/10 , F02C7/06 , F02C7/275 , F02C7/32 , F02C7/36 , F02K3/06 , F05D2220/323 , F05D2220/36 , F05D2220/76 , H02K5/1732 , H02K7/1823 , H02K9/19 , H02K2203/09 , H02P9/04
摘要： A gas turbine engine and methods of operation include a low pressure electric motor-generator having an electrical assembly for electrical connection.
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公开(公告)号：US20170248080A1
公开(公告)日：2017-08-31
申请号：US15506147
申请日：2015-08-21
发明人： Stephane CHEVALIER , Fabien SILET , Alexis RENOTTE
CPC分类号： F02C7/275 , F02C7/26 , F02C9/263 , F02C9/28 , F05D2260/81 , F05D2260/85 , F05D2270/024 , F05D2270/03 , F05D2270/304 , F05D2270/335 , Y02T50/671
摘要： The invention relates to a device for starting a gas turbine, comprising an initiation system able, on command, to rotate said gas turbine.The starting device comprises means for receiving information representing the rotation speed of the gas turbine, means for calculating a set torque value according to said information representing the rotation speed of the gas turbine, and means for transmitting said set torque value to the initiation system, and the means for calculating the set torque value are suitable for making a comparison of the information representing the rotation speed of the gas turbine with a predetermined speed profile and calculating the set torque value from said comparison.
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公开(公告)号：US20170234166A1
公开(公告)日：2017-08-17
申请号：US15042372
申请日：2016-02-12
发明人： David P. Dube , Richard K. Hayford
CPC分类号： F01D25/36 , F01D21/00 , F02C3/04 , F02C6/14 , F02C7/12 , F02C7/275 , F02C9/00 , F05D2220/32 , F05D2220/60 , F05D2220/76 , F05D2260/20 , F05D2260/941 , F05D2270/114 , H01L35/30 , Y02T50/671
摘要： A bowed rotor prevention system for a gas turbine engine is provided. The bowed rotor prevention system includes a thermoelectric generator system operable to produce electricity from waste heat of the gas turbine engine. The bowed rotor prevention system also includes a bowed rotor prevention motor operable to drive rotation of turbomachinery of the gas turbine engine using the electricity produced by the thermoelectric generator system.
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公开(公告)号：US09650964B2
公开(公告)日：2017-05-16
申请号：US12979579
申请日：2010-12-28
摘要： An assembly for a gas turbine engine comprising an accessory gearbox comprising a drive gear and pinion gear and a starter/generator mechanically mounted to the accessory gearbox. The starter/generator comprising a housing and a portion of a rotatable shaft with a safety disconnect where the safety disconnect is located within the housing of the starter/generator.
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10.发明申请公开(公告)号：US20170107910A1
公开(公告)日：2017-04-20
申请号：US15081156
申请日：2016-03-25
发明人： HAO HUANG
CPC分类号： F02C7/26 , B60R16/03 , F02C7/268 , F02C7/275 , F05D2260/85 , H02J4/00 , H02M7/68 , H02P2101/30 , Y02T50/671
摘要： A method and apparatus for starting and operating at least a first starter/generator (S/G) and a second S/G using at least one bi-directional converter and at least one of an AC power source and a first DC power source, including selectively starting at least one of the first S/G or second S/G in an AC start mode or in a DC start mode, and supplying electrical power to a set of electrical loads.
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