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公开(公告)号：US20170002741A1
公开(公告)日：2017-01-05
申请号：US15258236
申请日：2016-09-07
Applicant: PRATT & WHITNEY CANADA CORP.
Inventor： Daniel ALECU , Richard KOSTKA
IPC: F02C7/18
CPC classification number: F02C7/185 , B21K25/00 , F02C7/14 , F02C7/18 , F05D2220/32 , F05D2230/23 , F05D2260/213 , Y02T50/671 , Y02T50/675 , Y10T29/4935
Abstract: An air-to-air cooler has a heat exchanger integrated to a housing. A first passage extends through the housing for directing a flow of cooling air through the heat exchanger. A second passage extends through the housing for directing a flow of hot air to be cooled through the heat exchanger. The first passage has a cooling air outlet tube disposed downstream of the heat exchanger. The cooling air outlet tube extends across the second passage between the heat exchanger and a hot air inlet of the second passage. The hot air inlet is disposed to cause incoming hot air to flow over the cooling air outlet tube upstream of the heat exchanger. An ejector drives the flow of cooling air through the first passage of the air-to-air cooler. A portion of the hot air flow may be used to drive the ejector.
Abstract translation: 空气 - 空气冷却器具有与壳体集成的热交换器。 第一通道延伸穿过壳体，用于引导冷却空气流通过热交换器。 第二通道延伸穿过壳体，用于引导待冷却的热空气流通过热交换器。 第一通道具有设置在热交换器下游的冷却空气出口管。 冷却空气出口管延伸穿过热交换器和第二通道的热空气入口之间的第二通道。 热空气入口设置成使得热空气流入热交换器上游的冷却空气出口管。 喷射器通过空气 - 空气冷却器的第一通道驱动冷却空气的流动。 热空气流的一部分可以用于驱动喷射器。
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公开(公告)号：US20140252769A1
公开(公告)日：2014-09-11
申请号：US13792739
申请日：2013-03-11
Applicant: PRATT & WHITNEY CANADA CORP.
Inventor： David MENHEERE , Andreas ELEFTHERIOU , Richard KOSTKA
CPC classification number: F02C7/275 , F02C7/36 , F05D2220/766 , H02K7/1823 , H02K15/14 , H02K23/52 , Y10T29/49009
Abstract: A gas turbine engine including high and low pressure shafts, an electromechanical device having a rotor and a stator coupled such that the rotor is rotatable with respect to the stator, the rotor having a device gear secured thereto, the device being secured to a support structure in a bearing housing forming part of a bearing assembly supporting a portion of the low pressure shaft extending in proximity of the high pressure shaft and of the shaft gear, and a coupling idle gear secured for rotation about a stationary gear support mounted in the bearing housing, the idle gear being in toothed engagement with the shaft gear and with the device gear. An electromechanical device assembly for a gas turbine engine and a method of operating an electromechanical device are also provided.
Abstract translation: 一种包括高压和低压轴的燃气涡轮发动机，具有转子和定子的机电装置，所述定子联接成使得所述转子相对于所述定子可旋转，所述转子具有固定到其上的装置齿轮，所述装置固定到支撑结构 在形成轴承组件的一部分的轴承壳体中，所述轴承组件支撑在所述高压轴和所述轴齿轮附近延伸的所述低压轴的一部分，以及联接空转齿轮，所述联接空转齿轮被固定以围绕安装在所述轴承壳体 ，空转齿轮与轴齿轮和装置齿轮啮合。 还提供了一种用于燃气涡轮发动机的机电装置组件和操作机电装置的方法。
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公开(公告)号：US20210003206A1
公开(公告)日：2021-01-07
申请号：US16460067
申请日：2019-07-02
Applicant: PRATT & WHITNEY CANADA CORP.
Inventor： Richard KOSTKA , David MENHEERE
IPC: F16H57/04 , F02C7/32 , F02C7/06 , F16H57/027 , B64D33/00
Abstract: The aircraft engine can have an air-oil separator having an air-oil mixture inlet, an oil outlet, an air outlet, and a pressure relief path provided fluidly in parallel with the air-oil separator, between the air-oil mixture inlet and the air outlet, the pressure relief path can have a pressure relief valve for evacuating air-oil mixture to the exhaust duct in the event of excess pressure in the auxiliary gearbox.
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Patent Agency Ranking
公开(公告)号：US20200318541A1
公开(公告)日：2020-10-08
申请号：US16451548
申请日：2019-06-25
Applicant: PRATT & WHITNEY CANADA CORP.
Inventor： David MENHEERE , Richard KOSTKA , Steven STRECKER
IPC: F02C7/047
Abstract: An anti-icing system for a gas turbine engine comprises a closed circuit containing a phase-change fluid, at least one heating component for boiling the phase-change fluid, the anti-icing system configured so that the phase-change fluid partially vaporizes to a vapour state when boiled by the at least one heating component. The closed circuit has an anti-icing cavity adapted to be in heat exchange with an anti-icing surface of the gas turbine engine for the phase-change fluid to release heat to the anti-icing surface and condense. A feed conduit(s) has an outlet end in fluid communication with the anti-icing cavity to feed the phase-change fluid in vapour state from heating by the at least one heating component to the anti-icing cavity, and at least one return conduit having an outlet end in fluid communication with the anti-icing cavity to direct condensed phase-change fluid from the anti-icing cavity to the at least one heating component. A method for heating an anti-icing surface of an aircraft is also provided.
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5.发明申请公开(公告)号：US20150200580A1
公开(公告)日：2015-07-16
申请号：US14667768
申请日：2015-03-25
Applicant: Pratt & Whitney Canada Corp.
Inventor： David MENHEERE , Andreas ELEFTHERIOU , Richard KOSTKA
CPC classification number: H02K7/1823 , H02K15/02 , H02K15/16 , Y10T29/49002 , Y10T29/49009 , Y10T29/49012
Abstract: A method of assembling a starter/generator in a gas-turbine engine, including coupling a rotor and a stator of the starter/generator such that the rotor is rotatable with respect to the stator to drive the rotor when the starter/generator is electrically powered and to produce electrical power when the rotor is rotated, securing the stator to a bearing support, coupling the starter/generator to a low pressure shaft of the engine by installing the bearing support over a bearing assembly secured to an end of the low pressure shaft, inserting the low pressure shaft through a high pressure shaft of the engine with the end of the low pressure shaft protruding therefrom and positioning the starter/generator in proximity of an end of the high pressure shaft, and drivingly engaging the rotor to the high pressure shaft.
Abstract translation: 一种在燃气涡轮发动机中组装起动器/发电机的方法，包括联接起动器/发电机的转子和定子，使得当起动器/发电机被电动时，转子可相对于定子旋转以驱动转子 并且当转子旋转时产生电力，将定子固定到轴承支撑件上，通过将轴承支撑件安装在固定到低压轴的端部的轴承组件上来将起动器/发电机连接到发动机的低压轴 将低压轴穿过发动机的高压轴，低压轴的端部从其突出，将起动器/发电机定位在靠近高压轴的端部处，并将转子驱动地接合到高压 轴。
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公开(公告)号：US20210277799A1
公开(公告)日：2021-09-09
申请号：US16809069
申请日：2020-03-04
Applicant: PRATT & WHITNEY CANADA CORP.
Inventor： David MENHEERE , Richard KOSTKA
Abstract: A method of manufacturing a bearing support structure of a gas turbine engine, includes: obtaining a bearing support and a casing assembly, the casing assembly having first and second casings extending around a central axis and connected together via struts, the bearing support securable to the first casing at attachment points; selecting a distance between the attachment points of the bearing support and the struts as a function of a required stiffness of the bearing support structure; and adjusting a position of the bearing support relative to the casing assembly until the attachment points are distanced from the struts by the selected distance and joining the bearing support to the casing assembly at the attachment points.
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公开(公告)号：US20150176486A1
公开(公告)日：2015-06-25
申请号：US14133919
申请日：2013-12-19
Applicant: Pratt & Whitney Canada Corp.
Inventor： David MENHEERE , Richard KOSTKA , Jean DUBREUIL
CPC classification number: F02C3/113 , F02C3/107 , F02C7/36 , F05D2260/40311 , F16H3/72 , F16H57/082
Abstract: A gas turbine engine with a transmission having a variable ratio is discussed. A first gear train is in driving engagement with the low pressure spool and has a first output gear. A second gear train is in driving engagement with the high pressure spool and has a second output gear spaced apart from the first output gear. A third gear train defines a driving engagement between the low pressure spool and the low pressure compressor rotor with a variable transmission ratio. A fourth gear train is in driving engagement with the first and second output gears, and in driving engagement with the third gear train to determine the transmission ratio. A method of adjusting a speed of a low pressure compressor rotor of a gas turbine engine is also discussed.
Abstract translation: 讨论了具有可变比率的变速器的燃气涡轮发动机。 第一齿轮系与低压阀芯驱动接合并具有第一输出齿轮。 第二齿轮系与高压滑阀驱动接合，并具有与第一输出齿轮间隔开的第二输出齿轮。 第三齿轮系以可变传动比限定低压阀芯和低压压缩机转子之间的驱动接合。 第四齿轮系与第一和第二输出齿轮驱动接合，并且与第三齿轮系驱动接合以确定传动比。 还讨论了一种调节燃气轮机的低压压缩机转子的速度的方法。
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8.发明申请公开(公告)号：US20140250680A1
公开(公告)日：2014-09-11
申请号：US13792804
申请日：2013-03-11
Applicant: PRATT & WHITNEY CANADA CORP.
Inventor： David MENHEERE , Andreas ELEFTHERIOU , Richard KOSTKA
IPC: H02K15/02
CPC classification number: H02K7/1823 , H02K15/02 , H02K15/16 , Y10T29/49002 , Y10T29/49009 , Y10T29/49012
Abstract: A method of assembling an electromechanical device in a gas-turbine engine, including mounting a rotor of the device on a rotor support, securing a stator of the device to a stator support, coupling the rotor support to the stator support such that said rotor is rotatable about said stator, securing the device to a bearing support, securing a bearing assembly on the low pressure shaft, coupling the device to the low pressure shaft by installing the bearing support over the bearing assembly, and drivingly engaging the rotor support to the high pressure shaft.
Abstract translation: 一种在气体涡轮发动机中组装机电装置的方法，包括将所述装置的转子安装在转子支撑件上，将所述装置的定子固定到定子支撑件，将所述转子支撑件联接到所述定子支撑件，使得所述转子是 可绕所述定子旋转，将所述装置固定到轴承支撑件上，将轴承组件固定在所述低压轴上，通过将所述轴承支撑件安装在所述轴承组件上并将所述转子支撑件与所述高压轴驱动地接合而将所述装置联接到所述低压轴 压力轴。
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