公开(公告)号：US20250035005A1

公开(公告)日：2025-01-30

申请号：US18536843

申请日：2023-12-12

Applicant: General Electric Company

Inventor： Deepak Trivedi ,  Rahul Anil Bidkar ,  Bugra Han Ertas ,  Ravindra Shankar Ganiger ,  Narendra Anand Hardikar

IPC: F01D11/00 ,  F01D25/04

Abstract: A seal assembly for a turbomachine includes a rotating component, a non-rotating component having a ring carrier, a face seal ring, and a joint disposed between the ring carrier and the non-rotating component. The non-rotating component is arranged with the rotating component at a sealing interface. The joint is capable of linear and tilt displacement to allow the non-rotating component to displace with respect to the rotating component. The sealing interface defines a gap between the face seal ring and the rotating component. The seal assembly also includes at least one damping element arranged with the ring carrier for maintaining the seal assembly centrally in a radial direction in the turbomachine. Further, the damping element(s) includes at least one mass element.

公开(公告)号：US11680530B1

公开(公告)日：2023-06-20

申请号：US17730649

申请日：2022-04-27

Applicant: General Electric Company

Inventor： Eyitayo James Owoeye ,  Lana Maria Osusky ,  Bugra Han Ertas

IPC: F02C7/36

CPC classification number: F02C7/36 ,  F05D2220/36 ,  F05D2260/221

Abstract: A turbofan engine having one or more heat exchangers tied to a power gearbox is provided. The power gearbox mechanically couples a low pressure spool and a fan of the turbofan engine. The one or more heat exchangers have a heat exchanger capacity defined by a resultant heat transfer surface area density associated with the one or more heat exchangers multiplied by a heat conductance factor that relates a power gearbox heat load, a fan power consumption function, a fan diameter of the fan, and a bypass ratio of the turbofan engine. The heat exchanger capacity is between 0.77 and 48 for a rotational speed of the low pressure spool between 2,000 and 16,000 revolutions per minute at one hundred percent capacity and a resultant heat transfer surface area density being between 3,000 m2/m3 and 13,000 m2/m3.

公开(公告)号：US11677289B2

公开(公告)日：2023-06-13

申请号：US16597633

申请日：2019-10-09

Applicant: General Electric Company

Inventor： David Allan Torrey ,  Anil R. Duggal ,  Bugra Han Ertas ,  William D. Gerstler ,  Jie Jerry Liu ,  Weijun Yin

IPC: H02K3/30 ,  H02K15/04 ,  H02K7/00 ,  H02K7/08 ,  H02K3/02 ,  H02K9/22 ,  H02K9/20

CPC classification number: H02K3/30 ,  H02K3/02 ,  H02K7/003 ,  H02K7/08 ,  H02K9/20 ,  H02K9/227 ,  H02K15/04

Abstract: A powered system that has an electric power system with a stator having plural poles with each pole having a conductive winding that may surround the corresponding pole and may be configured to generate a magnetic field, and a rotor that may be configured to rotate in response to the magnetic field generated by the stator. The at least one of the conductive windings may be insulated with an insulation material configured to conduct heat from the at least one conductive winding while operating at a temperature above 600° C.

公开(公告)号：US11473448B2

公开(公告)日：2022-10-18

申请号：US16504242

申请日：2019-07-06

Applicant: General Electric Company

Inventor： Bugra Han Ertas

IPC: F01D25/22 ,  F16F13/00 ,  F02C7/06 ,  F16F15/023 ,  F16F15/02

Abstract: A bearing system including a frequency independent damper assembly and a bearing pad assembly. The damper assembly includes a housing, a plunger, a moving central post and a support spring. The plunger is movable within a housing to define a first primary damper cavity and a second primary damper cavity. The moving central post has defined therein a fluid channel for a pressurized working fluid flow. The support spring includes a plurality of flexible elements coupled to the housing and disposed radially outward of the first and second primary damper cavities. The support spring defines first and second accumulator cavity. A flow-through channel couples the first accumulator cavity to the second accumulator cavity. In an embodiment, the flow-through channel may be disposed within the moving central post. The bearing pad assembly includes a bearing pad including a plurality of bearing pad orifices coupled to the fluid channel in the moving central post.

公开(公告)号：US20210131429A1

公开(公告)日：2021-05-06

申请号：US16674614

申请日：2019-11-05

Applicant: General Electric Company

Inventor： David Allan Torrey ,  Douglas C. Hofer ,  Bugra Han Ertas

IPC: F04C11/00 ,  F04C29/04

Abstract: A system may be provided that may include a first working fluid compressor configured to pressurize a working fluid, and a prime mover coupled to the first working fluid compressor and configured to provide a mechanical input into the first working fluid compressor. An exhaust assembly may be coupled to the prime mover and configured to receive exhaust heat from the prime mover, the exhaust assembly including a generator configured to generate electric current based on the exhaust heat received by the exhaust assembly. A second working fluid compressor may include an electric motor electrically and synchronously coupled to the generator and configured to pressurize the working fluid.

公开(公告)号：US10982713B2

公开(公告)日：2021-04-20

申请号：US15933672

申请日：2018-03-23

Applicant: General Electric Company

Inventor： Bugra Han Ertas ,  Douglas Carl Hofer

IPC: F16C32/06 ,  F01D25/16 ,  F03G6/06 ,  F01K25/10 ,  F02C1/05 ,  F01K7/32

Abstract: Heat engines employing fluid bearing assemblies hermetically sealed with a closed flowpath for a working fluid are generally disclosed. For example, the heat engine includes a rotating drivetrain and a fluid bearing assembly. The rotating drivetrain includes a compressor section, an expander section, and a heat exchanger. The compressor section and expander section together define at least in part a closed flowpath for the flow of a working fluid. The heat exchanger is thermally coupled to the closed flowpath for adding heat to the working fluid. The fluid bearing assembly is configured to utilize the working fluid to support the rotating drivetrain. Further, the fluid bearing assembly is hermetically sealed with the closed flowpath.

公开(公告)号：US10816035B2

公开(公告)日：2020-10-27

申请号：US16504241

申请日：2019-07-06

Applicant: General Electric Company

Inventor： Bugra Han Ertas

IPC: F16C32/06 ,  F16F15/023 ,  F01D25/16 ,  F01D25/06

Abstract: Embodiments of a damper assembly are disclosed. In some embodiments, the damper assembly includes a damper housing, a damper plunger and a support spring. The damper plunger is disposed at least partially within the housing and movable within to define a first primary damper cavity and a second primary damper cavity. A damper cavity restrictive clearance is defined between the first primary damper cavity and the second primary damper cavity. The damper cavity restrictive clearance includes an elliptical damper orifice having a major-axis and a minor-axis at a mid-plane of the damper cavity restrictive clearance and is oriented perpendicular to a direction of a vibrational force imposed on the damper assembly.

公开(公告)号：US20190264800A1

公开(公告)日：2019-08-29

申请号：US15903110

申请日：2018-02-23

Applicant: General Electric Company

Inventor： Kenneth Lee Fisher ,  George Hanna Ghanime ,  Bugra Han Ertas ,  Darren Lee Hallman

IPC: F16H57/04 ,  F02C7/36 ,  F02C7/06 ,  F01D25/20

Abstract: A gearbox assembly for a gas turbine engine used in an aircraft having passive lubrication capabilities during wind milling includes a gearbox housing, a gear train assembly housed within the gearbox housing, a lubricant in the gearbox housing for lubricating the gear train assembly, and a first scavenge port formed in the gearbox housing. The first scavenge port is changeable between an open position and a closed position. Further, the first scavenge port remains in the open position during normal operation of the gas turbine engine to allow the lubricant to drain from the gearbox housing. Upon occurrence of a loss of lubricant pressure in the gearbox assembly, the first scavenge port is changed to the closed position to trap at least a portion of the lubricant in the gearbox housing. Thus, the trapped lubricant provides passive lubrication to the gear train assembly during the loss of lubricant pressure.

公开(公告)号：US10030708B2

公开(公告)日：2018-07-24

申请号：US15223228

申请日：2016-07-29

Applicant: General Electric Company

Inventor： Fabio Nonato de Paula ,  Bugra Han Ertas ,  Darren Hallman

IPC: F16C33/46 ,  F16H57/08 ,  F02C7/36 ,  F16H1/28

CPC classification number: F16C33/4611 ,  F01D25/16 ,  F02C7/36 ,  F05D2240/50 ,  F05D2250/283 ,  F05D2260/40311 ,  F16C33/4676 ,  F16C2360/23 ,  F16C2361/61 ,  F16H1/28 ,  F16H57/08 ,  F16H2057/085

Abstract: A roller bearing cage includes a cylindrical body including a plurality of pocket holes defined within and positioned circumferentially about the cylindrical body. At least a portion of the cylindrical body is hollow. The roller bearing cage further includes a reinforcement structure extending within the portion of the cylindrical body. The reinforcement structure is configured to provide a stiffening force to the cylindrical body.

公开(公告)号：US20180156274A1

公开(公告)日：2018-06-07

申请号：US15370484

申请日：2016-12-06

Applicant: General Electric Company

Inventor： Fabio Nonato de Paula ,  Bugra Han Ertas ,  Darren Lee Hallman

IPC: F16C33/46 ,  F16C19/52 ,  F16C19/26 ,  F02C7/36 ,  F02C7/06 ,  F01D25/16 ,  F04D19/00 ,  F04D29/056

Abstract: A bearing includes an inner ring having an outer surface and a cage having both an inner surface and an outer surface. The cage inner surface is positioned to be in opposition to the inner ring outer surface. The bearing further includes an outer ring having both an inner surface and an outer surface. The outer ring inner surface is positioned to be in opposition to the cage outer surface. One or more of the inner ring outer surface, the cage inner surface, the cage outer surface, and the outer ring inner surface defines a non-circular circumferential profile.