公开(公告)号：US20240335977A1

公开(公告)日：2024-10-10

申请号：US18132212

申请日：2023-04-07

Applicant: Raytheon Technologies Corporation

Inventor： Anthony J. Del Boccio

IPC: B28B1/087 ,  B28B1/52 ,  B28B7/34 ,  B28B21/86

CPC classification number: B28B1/087 ,  B28B1/525 ,  B28B7/346 ,  B28B21/86 ,  F01D5/187 ,  F05D2230/21

Abstract: A method for molding a ceramic core includes introducing a slurry to a mold and vibrating the mold. The slurry has: silica-containing particles; polymer fiber; and matrix precursor. The mold has an outer tool and a liner held within the outer tool. The vibrating comprises operating a plurality of vibration transducers distributed along the mold.

公开(公告)号：US20240328514A1

公开(公告)日：2024-10-03

申请号：US18128568

申请日：2023-03-30

Applicant: Raytheon Technologies Corporation

Inventor： Caroline A. Karanian ,  Conway Chuong

IPC: F16J15/34 ,  F01D11/00

CPC classification number: F16J15/342 ,  F01D11/005 ,  F05D2240/55

Abstract: A seal assembly configured to reduce fluid flow from an axially upstream side of the seal assembly to an axially downstream side of the seal assembly includes a primary seal and a secondary seal assembly disposed at an axially forward end of the primary seal. The secondary seal assembly includes a seal support and a secondary seal. The seal support includes a downstream axial face disposed axially proximate to and facing the primary seal, an upstream axial face opposite the downstream axial face, a body extending from the downstream axial face to the upstream axial face, a first leg extending radially inward from the body, a second leg extending radially inward from the body, and a mistake-proofing protrusion extending from the upstream axial face and in an axially upstream direction.

公开(公告)号：US20240313811A1

公开(公告)日：2024-09-19

申请号：US18183717

申请日：2023-03-14

Applicant: Raytheon Technologies Corporation

Inventor： William Richard Shaw ,  Joseph V. Mantese ,  Gurkan Gok ,  Joseph Zacchio ,  Sharbel Elias Azzi ,  Jonathan J. Gilson ,  Coy B. Wood ,  Andre M. Ajami

IPC: H04B1/03 ,  H01Q1/28 ,  H04B1/04 ,  H04B1/08

CPC classification number: H04B1/03 ,  H01Q1/28 ,  H04B1/04 ,  H04B1/08

Abstract: An aircraft includes a communication system having a node and includes a method of operating the aircraft with the communication system. The communication system includes a waveguide and the node. The node is located in a high temperature environment. The node includes a high temperature logic circuit, a power supply, wherein the high temperature logic circuit and the power supply are disposed on a first side of the node in a high temperature environment, and a transponder disposed on a second side of the node. A sensor and/or an actuator can be operated via communication with the node via the waveguide.

公开(公告)号：US20240309811A1

公开(公告)日：2024-09-19

申请号：US18121503

申请日：2023-03-14

Applicant: Raytheon Technologies Corporation

Inventor： Stephen K. Kramer ,  Lance L. Smith ,  Zhongtao Dai ,  Gregory Boardman

IPC: F02C3/30 ,  F23R3/10

CPC classification number: F02C3/305 ,  F02C3/30 ,  F02C7/18 ,  F23R3/10 ,  F23R2900/03044

Abstract: An assembly is provided for a turbine engine. This assembly includes a housing, a combustor and a steam system. The housing includes an air plenum. The combustor is disposed within the air plenum. The combustor includes a combustion chamber and a combustor wall between the combustion chamber and the air plenum. The steam system includes a steam injector arranged within the air plenum next to the combustor wall. The steam system is configured to inject steam out of the steam injector and into the air plenum to impinge against the combustor wall.

公开(公告)号：US20240309809A1

公开(公告)日：2024-09-19

申请号：US18121442

申请日：2023-03-14

Applicant: Raytheon Technologies Corporation

Inventor： Stephen K. Kramer ,  Zhongtao Dai ,  Lance L. Smith ,  Gregory Boardman

IPC: F02C3/30

CPC classification number: F02C3/30 ,  F05D2220/32 ,  F05D2240/35 ,  F05D2270/08

Abstract: An assembly is provided for a turbine engine. This assembly includes a housing, a combustor and a fuel injector assembly. The housing includes a case and a diffuser plenum radially within the case. The case extends axially along and circumferentially about a centerline. The combustor is disposed within the diffuser plenum. The combustor includes a bulkhead, a hood, a combustion chamber and a hood cavity. The bulkhead is axially between the combustion chamber and the hood cavity. The hood is between the hood cavity and the diffuser plenum. The fuel injector assembly projects radially into the diffuser plenum from the case. The fuel injector assembly includes a fuel nozzle and a steam nozzle. The fuel nozzle is configured to inject fuel into the combustion chamber. The steam nozzle is configured to inject steam into the hood cavity.

公开(公告)号：US20240309807A1

公开(公告)日：2024-09-19

申请号：US18120835

申请日：2023-03-13

Applicant: Raytheon Technologies Corporation

Inventor： Gregory Boardman

IPC: F02C3/30

CPC classification number: F02C3/30 ,  F05D2220/32 ,  F05D2240/35 ,  F05D2270/08

Abstract: A method is provided for operating a turbine engine. During this method, fuel is injected into a combustion chamber of a combustor of the turbine engine. The combustion chamber extends circumferentially around a centerline. The fuel is combusted within the combustion chamber. Steam is introduced into the combustion chamber in an asymmetric pattern around the centerline.

公开(公告)号：US20240308922A1

公开(公告)日：2024-09-19

申请号：US18123046

申请日：2023-03-17

Applicant: Raytheon Technologies Corporation

Inventor： Molly Kole ,  Olivier H. Sudre

IPC: C04B35/80 ,  C04B35/628 ,  C04B35/634 ,  D04H18/02

CPC classification number: C04B35/80 ,  C04B35/62834 ,  C04B35/62884 ,  C04B35/634 ,  D04H18/02 ,  C04B2235/5224 ,  C04B2235/5244 ,  C04B2235/5256 ,  C04B2235/5276 ,  C04B2235/614

Abstract: A needle array suitable for perforating a fibrous preform includes a backplate and a plurality of needles individually removably attached to and extending away from the backplate. Each of the plurality of needles includes a bundle of ceramic filaments, a metallic sheath surrounding a first end of the bundle abutting the backplate, and a sharpened point on the second end of the bundle, the second end being oppositely disposed from the first end.

公开(公告)号：US20240308680A1

公开(公告)日：2024-09-19

申请号：US18120828

申请日：2023-03-13

Applicant: Raytheon Technologies Corporation

Inventor： Gregory Boardman ,  Stephen K. Kramer

IPC: B64D37/16 ,  B64D37/06 ,  B64D37/30 ,  F02M37/00

CPC classification number: B64D37/16 ,  B64D37/06 ,  B64D37/30 ,  F02M37/0088

Abstract: During a method, an aircraft powerplant is provided. The aircraft powerplant includes an injector and a fuel system configured to deliver fuel to the injector. The fuel system includes a first tank, a first circuit and a second circuit arranged in parallel with the first circuit between the first tank and the injector. The second circuit includes a second tank. The fuel is directed from the first tank to the injector during a first mode through the first circuit and independent of the second circuit. The fuel is directed from the second tank to the injector during a second mode through the second circuit and independent of the first circuit.

公开(公告)号：US20240308015A1

公开(公告)日：2024-09-19

申请号：US18185867

申请日：2023-03-17

Applicant: Raytheon Technologies Corporation

Inventor： Zhigang Wang ,  Andrzej E. Kuczek ,  Robin H. Fernandez ,  John D. Riehl ,  Alan C. Barron ,  Ahmed Abdillahi Abdi ,  Jason Nelson ,  Andrew Joseph Lazur

IPC: B24B1/04 ,  B24B57/02 ,  B25J9/00 ,  B25J9/02 ,  B25J9/16 ,  B25J11/00

CPC classification number: B24B1/04 ,  B24B57/02 ,  B25J9/0084 ,  B25J9/0096 ,  B25J9/026 ,  B25J9/161 ,  B25J11/0065

Abstract: An ultrasonic impact grinding assembly includes a base with a mount for connecting a workpiece to the base and a first tool arm. The ultrasonic impact grinding assembly also includes a second tool arm. The first tool arm and the second tool arm each include a base end, a distal end, at least one joint between the base end and the distal end, and at least one actuator configured to move the at least one joint. A first ultrasonic impact grinding tool head is connected to the distal end of the first tool arm. A second ultrasonic impact grinding tool head is connected to the distal end of the second tool arm.

公开(公告)号：US20240301808A1

公开(公告)日：2024-09-12

申请号：US18117919

申请日：2023-03-06

Applicant: Raytheon Technologies Corporation

Inventor： Jon E. Sobanski

IPC: F01K23/10

CPC classification number: F01K23/10 ,  F01D25/32 ,  F02C3/22 ,  F02C3/30 ,  F02C7/141

Abstract: A turbine engine with an axis is provided. This turbine engine includes a fan section, a turbine engine core, a bypass flowpath, an engine housing, an evaporator, a condenser and a core flowpath. The turbine engine core is configured to power the fan section. The turbine engine core includes a core compressor section, a core combustor section and a core turbine section. The bypass flowpath is fluidly coupled with and downstream of the fan section. The engine housing includes a cavity radially outboard of and axially overlapping the fan section and/or the bypass flowpath. The evaporator module is within the cavity. The condenser module is within the cavity. The core flowpath extends sequentially through the core compressor section, the core combustor section, the core turbine section, the evaporator module and the condenser module.