公开(公告)号：US20250035001A1

公开(公告)日：2025-01-30

申请号：US18359480

申请日：2023-07-26

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Bahram Jadidian ,  Kevin Blinn ,  Mehrad Mehr

IPC: F01D5/28 ,  C04B35/16 ,  C04B35/584 ,  C04B41/52 ,  C04B41/87 ,  C04B41/91

Abstract: Components having coating systems that include mud cracks, methods for forming the coating systems, and vehicles including the components are provided. The components include a substrate having silicon nitride and a coating system on a surface of the substrate. The coating system includes a first layer of a first coating material on the substrate, wherein the first coating material includes a rare earth silicate and has a first thickness measured in a direction perpendicular to the surface of the substrate, and a second layer of a second coating material on the first layer, wherein the second coating material includes a rare earth silicate and has a second thickness that is greater than the first thickness. The second layer includes mud cracks that extend from an exterior surface thereof toward the substrate, and the mud cracks have widths in a range of about 50 to 200 micrometers.

公开(公告)号：US20240301832A1

公开(公告)日：2024-09-12

申请号：US18181159

申请日：2023-03-09

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Bahram Jadidian ,  Kevin Blinn ,  Mehrad Mehr

IPC: F02C7/24 ,  B64D27/10 ,  F02C6/20

CPC classification number: F02C7/24 ,  B64D27/10 ,  F02C6/20

Abstract: Components of gas turbine engines, aircraft comprising the components, and methods of producing the components are provided. The component includes a surface, and a set of tiles secured to the surface at interfaces between the set of tiles and the surface and between each of the set of tiles. The set of tiles conform to the surface and in combination define a coating system on the surface that includes an environmental barrier coating and/or a thermal barrier coating.

公开(公告)号：US12076747B2

公开(公告)日：2024-09-03

申请号：US18056345

申请日：2022-11-17

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Mehrad Mehr ,  John Downs ,  Bahram Jadidian

IPC: B05D5/00 ,  B05C3/18 ,  B05D3/00 ,  B05D3/02

CPC classification number: B05D5/005 ,  B05C3/18 ,  B05D3/007 ,  B05D3/0254

Abstract: Methods and systems are provided for filling cracks in an environmental barrier coating and/or a thermal barrier coating (EBC/TBC). The method comprises locating a component within an enclosure of an apparatus, the component including a substrate having the EBC/TBC thereon, wherein the EBC/TBC includes cracks extending from an exterior surface of the EBC/TBC toward the substrate, reducing pressure within the enclosure to a first pressure that is less than atmospheric pressure, applying a filler slurry to the exterior surface to cover the cracks while the EBC/TBC is exposed to the first pressure, increasing the enclosure to a second pressure that is greater than the first pressure, wherein the second pressure is sufficient to cause the filler slurry on the EBC/TBC to infiltrate into and fill the cracks, and sintering the filler slurry sufficient to cure the filler slurry within the cracks.

公开(公告)号：US20240275246A1

公开(公告)日：2024-08-15

申请号：US18168292

申请日：2023-02-13

Applicant: Honeywell International Inc.

Inventor： Mahdi Mohajeri ,  Mehrad Mehr ,  Bahram Jadidian

IPC: H02K15/12 ,  H02K3/30 ,  H02K15/02 ,  H02K15/10

CPC classification number: H02K15/12 ,  H02K3/30 ,  H02K15/026 ,  H02K15/105

Abstract: A method is provided. The method includes: forming a stator for a high-power density electric machine, the stator having a plurality of slots for receiving stator coils and having a back-iron; inserting the stator coils in the plurality of slots; and inserting a potting material in the plurality of slots of the stator, the potting material in thermal contact with adjacent stator coils and in thermal contact with the back-iron; wherein the potting material is formed by: mixing silicon carbide particles with a silicon carbide preceramic polymer to form a mixture; diluting the mixture with solvents to form a slurry; drying the slurry to form a paste; forming the paste into a shape; and firing the paste to form a ceramic material.

公开(公告)号：US20240165661A1

公开(公告)日：2024-05-23

申请号：US18056345

申请日：2022-11-17

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Mehrad Mehr ,  John Downs ,  Bahram Jadidian

IPC: B05D5/00 ,  B05C3/18 ,  B05D3/00 ,  B05D3/02

CPC classification number: B05D5/005 ,  B05C3/18 ,  B05D3/007 ,  B05D3/0254

Abstract: Methods and systems are provided for filling cracks in an environmental barrier coating and/or a thermal barrier coating (EBC/TBC). The method comprises locating a component within an enclosure of an apparatus, the component including a substrate having the EBC/TBC thereon, wherein the EBC/TBC includes cracks extending from an exterior surface of the EBC/TBC toward the substrate, reducing pressure within the enclosure to a first pressure that is less than atmospheric pressure, applying a filler slurry to the exterior surface to cover the cracks while the EBC/TBC is exposed to the first pressure, increasing the enclosure to a second pressure that is greater than the first pressure, wherein the second pressure is sufficient to cause the filler slurry on the EBC/TBC to infiltrate into and fill the cracks, and sintering the filler slurry sufficient to cure the filler slurry within the cracks.

公开(公告)号：US20240150250A1

公开(公告)日：2024-05-09

申请号：US18053031

申请日：2022-11-07

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Mehrad Mehr ,  Bahram Jadidian

IPC: C04B35/628 ,  C04B35/52

CPC classification number: C04B35/62834 ,  C04B35/522

Abstract: Methods and systems are provided for producing silicon carbide. The system comprises an enclosure configured to be maintained under vacuum conditions and at a processing temperature above a melting temperature of silicon, a vapor production system configured to supply a silicon vapor to the enclosure, and a transportation system configured to provide a stream of graphite powder into the enclosure, retain the graphite powder within the enclosure for a processing time sufficient to react the graphite powder with the silicon vapor to produce a silicon carbide powder, and then provide a stream of the silicon carbide powder out of the enclosure.

公开(公告)号：US20240109049A1

公开(公告)日：2024-04-04

申请号：US17937352

申请日：2022-09-30

Applicant: Honeywell International Inc.

Inventor： Mehrad Mehr ,  Bahram Jadidian

IPC: B01J19/24 ,  B01J6/00 ,  B01J19/00 ,  C01B3/24 ,  C01B32/05 ,  C07C1/12

CPC classification number: B01J19/24 ,  B01J6/008 ,  B01J19/0013 ,  C01B3/24 ,  C01B32/05 ,  C07C1/12 ,  G01M3/04

Abstract: A thermal process system includes a retort assembly that includes a retort chamber, a heating assembly configured to heat the retort chamber, a vessel housing, a process gas inlet, and a sealing gas inlet. The retort assembly is configured to substantially contain one or more process gases in the retort chamber during a thermal process. The vessel housing is positioned around the retort chamber and configured to maintain a pressure or vacuum within the retort chamber. The process gas inlet is configured to receive the one or more process gases into the retort assembly. The sealing gas inlet is configured to receive a sealing gas into the vessel housing. The thermal process system may further include a leak gas detector configured to detect a presence of a leak gas, in which the leak gas includes a gas that is not the one or more process gases in the retort chamber.

公开(公告)号：US20240051885A1

公开(公告)日：2024-02-15

申请号：US17818825

申请日：2022-08-10

Applicant: Honeywell International Inc.

Inventor： Mehrad Mehr ,  Bahram Jadidian

IPC: C04B41/52 ,  C04B35/83 ,  C04B41/50 ,  C04B41/45 ,  C04B41/89 ,  C04B41/87 ,  C04B41/86

CPC classification number: C04B41/522 ,  C04B35/83 ,  C04B41/5022 ,  C04B41/4535 ,  C04B41/5059 ,  C04B41/5061 ,  C04B41/4558 ,  C04B41/89 ,  C04B41/87 ,  C04B41/86 ,  C04B2235/422 ,  C04B2235/5248

Abstract: A high temperature article includes a carbon/carbon (C/C) composite substrate and a hybrid coating on the C/C composite substrate. The hybrid coating includes a high temperature antioxidant layer on a surface of the C/C composite substrate and a low temperature sealant on a surface of the high temperature antioxidant layer. The low temperature sealant is formed from a glass-forming soluble salt.

公开(公告)号：US20230033942A1

公开(公告)日：2023-02-02

申请号：US17443693

申请日：2021-07-27

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Mehrad Mehr ,  John Downs ,  Bahram Jadidian

IPC: F01D5/28 ,  C23C28/04

Abstract: A method of applying a protective coating to a substrate includes the steps of: providing a turbine engine component substrate formed of a ceramic matrix composite material, forming an environmental barrier coating layer including a rare earth disilicate material directly on the substrate, treating an outer surface of the environmental barrier coating layer to form a thermal barrier coating layer including a porous rare earth monociliate material directly on the environmental barrier coating layer. The step of treating the outer surface is performed using a thermal process consisting of the application of heat or a chemical-thermal process consisting of the application of heat and a chemical. The method further includes infiltrating at least a portion of the pores with a metal solution or suspension.

公开(公告)号：US20220348511A1

公开(公告)日：2022-11-03

申请号：US17302011

申请日：2021-04-21

Applicant: Honeywell International Inc.

Inventor： Mehrad Mehr ,  Bahram Jadidian

IPC: C04B41/00 ,  C04B41/45 ,  C04B41/50 ,  C04B41/87

Abstract: A method for forming a high temperature coating includes forming a pre-sintered ceramic coating on a ceramic composite substrate. The pre-sintered ceramic coating comprises a plurality of ceramic particles. The method further includes sintering at least a portion of the pre-sintered ceramic coating by heating the portion of the pre-sintered ceramic coating to a sintering temperature of the pre-sintered ceramic coating using one or more non-contact radiative heating elements. The sintering temperature is greater than about 1000 degrees Celsius (° C.).