公开(公告)号：US20180030883A1

公开(公告)日：2018-02-01

申请号：US15708442

申请日：2017-09-19

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Jean THOMASSIN ,  Sebastien BOLDUC ,  Bruno VILLENEUVE ,  Stephane BERUBE ,  Mike FONTAINE ,  David GAGNON-MARTIN ,  Andre JULIEN ,  Mark CUNNINGHAM ,  Serge LAFORTUNE ,  Pierre-Yves LEGARE

IPC: F02B29/04 ,  F01C11/00 ,  F01D13/00 ,  F02B33/34 ,  F02C6/12 ,  F02B61/04 ,  F01C1/22 ,  F02B41/10 ,  F02B53/00 ,  F02K5/00

CPC classification number: F02B29/0493 ,  B64D33/02 ,  B64D2033/0293 ,  F01C1/22 ,  F01C11/002 ,  F01C11/008 ,  F01D13/003 ,  F02B29/0412 ,  F02B29/0418 ,  F02B33/34 ,  F02B41/10 ,  F02B53/00 ,  F02B61/04 ,  F02B2053/005 ,  F02C6/12 ,  F02K5/00 ,  F05D2220/40 ,  Y02T10/146 ,  Y02T10/163 ,  Y02T10/17

Abstract: A compound engine assembly including a common air conduit having an inlet in fluid communication with ambient air, a compressor, at least one internal combustion engine having an inlet in fluid communication with an outlet of the compressor, a turbine section having an inlet in fluid communication with an outlet of the at least one internal combustion engine, the turbine section configured to compound power with the at least one internal combustion engine, and at least one heat exchanger in fluid communication with the common air conduit, each of the at least one heat exchanger configured to circulate a fluid of the engine assembly in heat exchange relationship with an airflow from the common air conduit circulating therethrough. The compressor has an inlet in fluid communication with the common air conduit upstream of the at least one heat exchanger. The internal combustion engine may be a reciprocating engine.

公开(公告)号：US20160245154A1

公开(公告)日：2016-08-25

申请号：US14806918

申请日：2015-07-23

Applicant: Pratt & Whitney Canada Corp.

Inventor： Jean THOMASSIN ,  Sebastien BOLDUC ,  Bruno VILLENEUVE ,  Stephane BERUBE ,  Mike FONTAINE ,  David GAGNON-MARTIN ,  Andre JULIEN ,  Mark CUNNINGHAM ,  Serge LAFORTUNE ,  Pierre-Yves LEGARE

IPC: F02B29/04 ,  F02B61/04 ,  F02B53/00 ,  F02B41/10 ,  F02B33/34

CPC classification number: F02B29/0493 ,  F01C1/22 ,  F01C11/002 ,  F01C11/008 ,  F01D13/003 ,  F02B29/0412 ,  F02B29/0418 ,  F02B33/34 ,  F02B41/10 ,  F02B53/00 ,  F02B61/04 ,  F02B2053/005 ,  F02C6/12 ,  F02K5/00 ,  F05D2220/40 ,  Y02T10/146 ,  Y02T10/163 ,  Y02T10/17

Abstract: A compound engine assembly including an air conduit having an inlet in fluid communication with ambient air around the compound engine assembly, a compressor having an inlet in fluid communication with the air conduit, an engine core including at least one rotary internal combustion engine and having an inlet in fluid communication with an outlet of the compressor, a turbine section having an inlet in fluid communication with an outlet of the engine core and configured to compound power with the engine core; and at least one heat exchanger in fluid communication with the air conduit, each heat exchanger configured to circulate a fluid of the engine assembly in heat exchange relationship with an airflow from the air conduit circulating therethrough. A method of supplying air to a compound engine assembly is also discussed.

Abstract translation: 一种复合发动机组件，其包括具有与复合发动机组件周围的环境空气流体连通的入口的空气导管，具有与空气管道流体连通的入口的压缩机，包括至少一个旋转内燃机的发动机芯， 与压缩机的出口流体连通的入口，涡轮部分，其具有与发动机芯体的出口流体连通的入口并且被配置成与发动机芯体组合动力; 以及与空气管道流体连通的至少一个热交换器，每个热交换器被配置为使来自循环的空气管道的气流与发动机组件的流体以热交换关系循环。 还讨论了向复合发动机组件供应空气的方法。

公开(公告)号：US20180187591A1

公开(公告)日：2018-07-05

申请号：US15849991

申请日：2017-12-21

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Jean THOMASSIN ,  Sebastien BOLDUC ,  Bruno VILLENEUVE ,  Stephane BERUBE ,  Mike FONTAINE ,  David GAGNON-MARTIN ,  Andre JULIEN ,  Mark CUNNINGHAM ,  Serge LAFORTUNE ,  Pierre-Yves LEGARE

IPC: F02B29/04 ,  F02C7/055 ,  F01C11/00 ,  F01C21/18 ,  F02B37/12 ,  F02B39/04 ,  F02B53/08 ,  F02M31/10 ,  F02M31/04 ,  F02C7/36 ,  F02C7/14 ,  F02C7/052 ,  F02C7/047 ,  F02C6/12 ,  F02B53/14 ,  F01C1/22

Abstract: An engine assembly including an engine core including at least one internal combustion engine each including a rotor sealingly and rotationally received within a respective internal cavity to provide rotating chambers of variable volume in the respective internal cavity, a compressor having an outlet in fluid communication with an inlet of the engine core, a first intake conduit in fluid communication with an inlet of the compressor and with a first source of air, a second intake conduit in fluid communication with the inlet of the compressor and with a second source of air warmer than the first source of air, and a selector valve configurable to selectively open and close at least the fluid communication between the inlet of the compressor and the first intake conduit. A method of supplying air to a compressor is also discussed.

公开(公告)号：US20160245166A1

公开(公告)日：2016-08-25

申请号：US14806880

申请日：2015-07-23

Applicant: Pratt & Whitney Canada Corp.

Inventor： Jean THOMASSIN ,  Sebastien BOLDUC ,  Bruno VILLENEUVE ,  Stephane BERUBE ,  Mike FONTAINE ,  David GAGNON-MARTIN ,  Jade BILODEAU ,  Andre JULIEN ,  Pierre-Yves LEGARE ,  Jason NICHOLS

IPC: F02B53/14 ,  F02C3/04

CPC classification number: F02B53/14 ,  F01C1/22 ,  F01C11/008 ,  F01C21/18 ,  F02B29/0418 ,  F02B33/40 ,  F02B39/04 ,  F02B41/10 ,  F02B2053/005 ,  F02C3/04 ,  F02C3/107 ,  F02C6/00 ,  F02C6/12 ,  F02C6/20 ,  F02C7/047 ,  F02C7/052 ,  F02C7/055 ,  F02C7/14 ,  F02C7/36 ,  F02M31/042 ,  F02M31/10 ,  F02M31/107 ,  F05D2250/312 ,  F05D2260/40311 ,  F05D2260/98 ,  Y02T10/126 ,  Y02T10/146 ,  Y02T10/163 ,  Y02T10/17 ,  Y02T50/675

Abstract: A compound engine assembly having an engine core including at least one internal combustion engine in driving engagement with an engine shaft, a compressor having an outlet in fluid communication with an inlet of the engine core and including at least one rotor rotatable about an axis coaxial with the engine shaft, the engine shaft in driving engagement with the compressor rotor, and a turbine section having an inlet in fluid communication with an outlet of the engine core and including at least one rotor engaged on a rotatable turbine shaft, the turbine shaft configured to compound power with the engine shaft. The turbine and engine shafts are parallel to and radially offset from one another, and the turbine shaft and the axis of the compressor rotor are parallel to and radially offset from one another. A method of driving a rotatable load of an aircraft is also discussed.

Abstract translation: 一种复合发动机组件，其具有包括与发动机轴驱动接合的至少一个内燃机的发动机机芯，具有与发动机机芯的入口流体连通的出口的压缩机，并且包括至少一个转子， 发动机轴，与压缩机转子驱动接合的发动机轴，以及涡轮部，其具有与发动机芯的出口流体连通的入口，并且包括接合在可旋转的涡轮轴上的至少一个转子，所述涡轮轴被配置为 与发动机轴组合动力。 涡轮机和发动机轴彼此平行并径向偏移，并且涡轮轴和压缩机转子的轴线彼此平行并径向偏移。 还讨论了驱动飞行器的可旋转载荷的方法。

公开(公告)号：US20190040794A1

公开(公告)日：2019-02-07

申请号：US16156183

申请日：2018-10-10

Applicant: PRATT & WHITNEY CANADA CORP.

Inventor： Sebastien BOLDUC ,  Mike FONTAINE ,  Luc LANDRY ,  Jean THOMASSIN

IPC: F02C6/12 ,  F01C11/00 ,  F02B37/00 ,  F01C1/22

Abstract: A compound cycle engine having an output shaft; at least two rotary units each defining an internal combustion engine, a first stage turbine, and a turbocharger is discussed. The first stage turbine includes a rotor in driving engagement with the output shaft between two of the rotary units. The exhaust port of each rotary unit is in fluid communication with the flowpath of the first stage turbine upstream of its rotor. The outlet of the compressor of the turbocharger is in fluid communication with the inlet port of each rotary unit. The inlet of the second stage turbine of the turbocharger is in fluid communication with the flowpath of the first stage turbine downstream of its rotor. The first stage turbine has a lower reaction ratio than that of the second stage turbine. A method of compounding at least two rotary engines is also discussed.

公开(公告)号：US20160069255A1

公开(公告)日：2016-03-10

申请号：US14944343

申请日：2015-11-18

Applicant: Pratt & Whitney Canada Corp.

Inventor： Sebastien BOLDUC ,  Mike FONTAINE ,  Luc LANDRY ,  Jean THOMASSIN

IPC: F02B53/02 ,  F02B37/00 ,  F02C7/36 ,  F02C6/00 ,  F02C5/00 ,  F02B53/10 ,  F02B55/14

CPC classification number: F02B53/02 ,  F01C1/22 ,  F01C11/002 ,  F01C11/008 ,  F02B37/005 ,  F02B53/10 ,  F02B55/14 ,  F02B2053/005 ,  F02C5/00 ,  F02C6/00 ,  F02C6/12 ,  F02C7/36 ,  F05D2210/12 ,  F05D2220/32 ,  F05D2220/60 ,  Y02T10/144 ,  Y02T10/17

Abstract: A compound cycle engine having an output shaft, at least two rotary units each including an internal combustion engine with the rotor of each rotary unit mounted on the output shaft and in driving engagement therewith, and a turbine including a rotor in driving engagement with the output shaft. The exhaust port of each rotary unit housing is in fluid communication with the flowpath of the turbine upstream of its rotor. The turbine is disposed co-axially between two of the rotary units. The engine may further include a compressor in fluid communication with the inlet port of each housing and a second turbine having an inlet in fluid communication with the flowpath of the first turbine downstream of its rotor. A method of compounding rotary engines is also discussed.

Abstract translation: 具有输出轴的复合循环发动机，至少两个旋转单元，每个旋转单元包括内燃机，其中每个旋转单元的转子安装在输出轴上并与其驱动接合;以及涡轮机，包括与输出驱动接合的转子 轴。 每个旋转单元壳体的排气口与其转子上游的涡轮的流动路径流体连通。 涡轮机同轴地设置在两个旋转单元之间。 发动机还可以包括与每个壳体的入口流体连通的压缩机和具有与其转子下游的第一涡轮机的流动路径流体连通的入口的第二涡轮机。 还讨论了一种混合旋转发动机的方法。

公开(公告)号：US20150275756A1

公开(公告)日：2015-10-01

申请号：US14740878

申请日：2015-06-16

Applicant: Pratt & Whitney Canada Corp.

Inventor： Sebastien BOLDUC ,  Mike FONTAINE ,  Luc LANDRY ,  Jean THOMASSIN

IPC: F02C6/12 ,  F01C1/22 ,  F02B37/00

CPC classification number: F02C6/12 ,  F01C1/22 ,  F01C11/002 ,  F01C11/008 ,  F02B37/00 ,  F04C2240/30

Abstract: A compound cycle engine having an output shaft; at least two rotary units each defining an internal combustion engine, a first stage turbine, and a turbocharger is discussed. The first stage turbine includes a rotor in driving engagement with the output shaft between two of the rotary units. The exhaust port of each rotary unit is in fluid communication with the flowpath of the first stage turbine upstream of its rotor. The outlet of the compressor of the turbocharger is in fluid communication with the inlet port of each rotary unit. The inlet of the second stage turbine of the turbocharger is in fluid communication with the flowpath of the first stage turbine downstream of its rotor. The first stage turbine has a lower reaction ratio than that of the second stage turbine. A method of compounding at least two rotary engines is also discussed.

Abstract translation: 具有输出轴的复合循环发动机; 讨论了至少两个各自限定内燃机，第一级涡轮和涡轮增压器的旋转单元。 第一级涡轮机包括与两个旋转单元之间的输出轴驱动接合的转子。 每个旋转单元的排气口与其转子上游的第一级涡轮机的流动路径流体连通。 涡轮增压器的压缩机的出口与每个旋转单元的入口流体连通。 涡轮增压器的第二级涡轮机的入口与其转子下游的第一级涡轮机的流动路径流体连通。 第一级涡轮机具有比第二级涡轮机更低的反应比。 还讨论了混合至少两个旋转发动机的方法。

公开(公告)号：US20170218760A1

公开(公告)日：2017-08-03

申请号：US15010933

申请日：2016-01-29

Applicant: Pratt & Whitney Canada Corp.

Inventor： Mike FONTAINE ,  Sebastien BOLDUC ,  Bruno VILLENEUVE

IPC: F01C21/10 ,  F02B53/02 ,  F02B41/10

CPC classification number: F01C21/10 ,  F01C1/22 ,  F01C11/008 ,  F01C21/18 ,  F01D9/026 ,  F01N13/1844 ,  F02B41/10 ,  F02B53/02 ,  F02B2053/005 ,  F02C5/06 ,  F02C6/12 ,  F04C2240/806 ,  F05D2220/40 ,  F05D2230/642

Abstract: An engine assembly having an internal combustion engine, a turbine module including a turbine casing, a support casing rigidly connecting the turbine casing to a remainder of the assembly, and an inlet scroll connected to the turbine casing without any direct rigid connection to the support casing. The inlet scroll includes an inlet pipe for each engine exhaust port. An exhaust pipe is provided for each exhaust port, connected to and providing fluid communication between the respective exhaust port and inlet pipe. The exhaust pipe is movable relative to at least one of the exhaust port and the inlet pipe at a corresponding connection therewith. One of the exhaust and inlet pipes floatingly extends through an opening defined in the support casing. The assembly may be a compound engine assembly.

公开(公告)号：US20160245161A1

公开(公告)日：2016-08-25

申请号：US14806902

申请日：2015-07-23

Applicant: Pratt & Whitney Canada Corp.

Inventor： Jean THOMASSIN ,  Sebastien BOLDUC ,  Bruno VILLENEUVE ,  Stephane BERUBE ,  Mike FONTAINE ,  David GAGNON-MARTIN ,  Andre JULIEN ,  Mark CUNNINGHAM ,  Serge LAFORTUNE ,  Pierre-Yves LEGARE

IPC: F02B41/00 ,  F01C1/22 ,  F02C6/18 ,  F01C11/00 ,  F02C3/04 ,  F01C21/18 ,  F01C21/06

CPC classification number: F02B41/00 ,  B64D33/10 ,  F01C1/22 ,  F01C11/008 ,  F01C21/06 ,  F01C21/18 ,  F02C3/04 ,  F02C6/18 ,  F02C7/04 ,  F02C7/042 ,  F02C7/14 ,  Y02T50/675

Abstract: A compound engine assembly including a compressor, an engine core including at least one rotary internal combustion engine and having an inlet in fluid communication with an outlet of the compressor, a turbine section having an inlet in fluid communication with an outlet of the engine core and configured to compound power with the engine core, and an air conduit having at least one heat exchanger extending thereacross. An outer wall of the air conduit has a plurality of openings defined therethrough downstream of the heat exchanger(s), each selectively closable by a pivotable flap movable between a retracted position where the opening is obstructed and an extended position away from the opening. Each opening defines a fluid communication between the air conduit and the ambient air when the respective flap is in the extended position. A method of directing flow through a compound engine assembly is also discussed.

Abstract translation: 一种复合发动机组件，包括压缩机，包括至少一个旋转内燃机的发动机内燃机，并且具有与压缩机的出口流体连通的入口，具有与发动机芯的出口流体连通的入口的涡轮部分，以及 配置成与发动机芯组合动力，以及具有至少一个在其上延伸的热交换器的空气管道。 空气管道的外壁具有在热交换器的下游限定的多个开口，每个开口可由可枢转的翼片选择性地关闭，所述枢转折翼可在开口被阻塞的缩回位置和远离开口的延伸位置之间移动。 当各个翼片处于伸出位置时，每个开口限定了空气管道和环境空气之间的流体连通。 还讨论了引导流过复合发动机组件的方法。

公开(公告)号：US20160245152A1

公开(公告)日：2016-08-25

申请号：US14806883

申请日：2015-07-23

Applicant: Pratt & Whitney Canada Corp.

Inventor： Jean THOMASSIN ,  Sebastien BOLDUC ,  Bruno VILLENEUVE ,  Stephane BERUBE ,  Mike FONTAINE ,  David GAGNON-MARTIN ,  Andre JULIEN ,  Mark CUNNINGHAM ,  Serge LAFORTUNE ,  Pierre-Yves LEGARE

IPC: F02B29/04 ,  F02B53/08 ,  F02B53/14 ,  F02B37/12

CPC classification number: F02B29/0406 ,  F01C1/22 ,  F01C11/008 ,  F01C21/18 ,  F02B29/0412 ,  F02B33/40 ,  F02B37/12 ,  F02B39/04 ,  F02B53/08 ,  F02B53/14 ,  F02C6/12 ,  F02C7/047 ,  F02C7/052 ,  F02C7/055 ,  F02C7/14 ,  F02C7/36 ,  F02M31/042 ,  F02M31/10 ,  F02M31/107 ,  F05D2250/312 ,  F05D2260/40311 ,  F05D2260/98 ,  Y02T10/126 ,  Y02T10/17 ,  Y02T50/675

Abstract: An intake assembly for a compressor providing compressed air to an internal combustion engine core, including an air conduit having at least one heat exchanger extending thereacross, an intake plenum for the compressor, a first intake conduit connected to the air conduit upstream of the heat exchanger(s), a second intake conduit connected to the air conduit downstream of the heat exchanger(s), and a selector valve configurable between a first configuration to allow a fluid communication between the intake plenum and the air conduit through the first intake conduit and a second configuration to prevent the fluid communication through the first intake conduit. Fluid communication between the intake plenum and the air conduit through the second intake conduit is allowed at least when the selector valve is in the second configuration. An engine assembly and method of supplying air to a compressor are also discussed.

Abstract translation: 一种用于压缩机的进气组件，其向内燃机芯提供压缩空气，包括具有至少一个在其上延伸的热交换器的空气导管，用于压缩机的进气增压室，连接到热交换器上游的空气管道的第一进气管 连接到所述热交换器下游的所述空气导管的第二进气管，以及可配置在允许所述进气室和所述空气管通过所述第一进气管道之间的流体连通的第一配置之间的选择阀，以及 第二构造，用于防止通过第一进气管道的流体连通。 至少当选择阀处于第二配置时，容许通过第二进气管进气通道和空气管道之间的流体连通。 还讨论了一种向压缩机供应空气的发动机组件和方法。