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公开(公告)号：US10473164B2
公开(公告)日：2019-11-12
申请号：US15202217
申请日：2016-07-05
Applicant: Hamilton Sundstrand Corporation
Inventor： Matthew Allen Slayter , Richard Alan Davis , Benjamin T. Harder , James Vandung Nguyen , Paul F. Fox , Jeffrey Todd Roberts , Jeff A. Brown , Brian McMasters , Dwayne Leon Wilson , Daniel Richard Walker
Abstract: A motoring system for a gas turbine engine having: a reduction gear train having an input and an output; an electric motor operably connected to the input; a clutch operably connected to the output, the clutch in operation engages and disengages the reduction gear train; and a mechanical shaft fuse operably connecting the output to the clutch, the mechanical shaft fuse in operation shears when torque on the mechanical shaft fuse is greater than or equal to a selected value. The mechanical shaft fuse includes a plurality of through holes.
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公开(公告)号：US10422284B2
公开(公告)日：2019-09-24
申请号：US15202155
申请日：2016-07-05
Applicant: Hamilton Sundstrand Corporation
Inventor： Matthew Allen Slayter , Richard Alan Davis , Paul F. Fox , Jeffrey Todd Roberts , Jeff A. Brown , James Vandung Nguyen , Benjamin T. Harder , Dwayne Leon Wilson , Brian McMasters , Daniel Richard Walker
Abstract: A motoring system for a gas turbine engine having: a reduction gear train having an input and output; a motor operably connected to the input; a clutch operably connected to the output, the clutch in operation engages and disengages the reduction gear train; and a pinned mechanical fuse operably connecting the output to the clutch, the pinned mechanical fuse having at least one shear pin. The pinned mechanical fuse having: an outer sleeve having a first section, second section, inner chamber, outer wall, and at least one through hole connecting the inner chamber to the outer wall within the first section; and an inner sleeve having a first portion, second portion, outer surface, and at least one blind hole located in the outer surface within the second portion. The second portion being located within the inner chamber and operably connected to the outer sleeve through at least one shear pin.
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公开(公告)号：US20180010648A1
公开(公告)日：2018-01-11
申请号：US15202217
申请日：2016-07-05
Applicant: Hamilton Sundstrand Corporation
Inventor： Matthew Allen Slayter , Richard Alan Davis , Benjamin T. Harder , James Vandung Nguyen , Paul F. Fox , Jeffrey Todd Roberts , Jeff A. Brown , Brian McMasters , Dwayne Leon Wilson , Daniel Richard Walker
CPC classification number: F16D9/08 , F01D15/12 , F01D25/36 , F02C7/268 , F02C7/275 , F02C7/32 , F05D2220/32 , F05D2260/311 , F05D2260/4023 , F05D2260/4031
Abstract: A motoring system for a gas turbine engine having: a reduction gear train having an input and an output; an electric motor operably connected to the input; a clutch operably connected to the output, the clutch in operation engages and disengages the reduction gear train; and a mechanical shaft fuse operably connecting the output to the clutch, the mechanical shaft fuse in operation shears when torque on the mechanical shaft fuse is greater than or equal to a selected value. The mechanical shaft fuse includes a plurality of through holes.
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公开(公告)号：US20180010523A1
公开(公告)日：2018-01-11
申请号：US15201841
申请日：2016-07-05
Applicant: Hamilton Sundstrand Corporation
Inventor： Benjamin T. Harder , Brian McMasters , James Vandung Nguyen , Dwayne Leon Wilson , Paul F. Fox , Richard Alan Davis , Richard R. Hergert , Jeffrey Todd Roberts , Jeff A. Brown , Daniel Richard Walker , Matthew Allen Slayter , William G. Sheridan
Abstract: According to an aspect, a system for a gas turbine engine includes a reduction gear train operable to drive rotation of a starter gear train that interfaces to an accessory gearbox of the gas turbine engine. The reduction gear train includes a starter interface gear that engages the starter gear train and a core-turning clutch operably connected to the starter interface gear. The reduction gear train also includes a geared rotary actuator including a primary planetary gear system, where the geared rotary actuator is operably connected to the core-turning clutch. The reduction gear train further includes a secondary planetary gear system operably connected to the primary planetary gear system and a core-turning input. The system also includes a mounting pad with an interface to couple a core-turning motor to the core-turning input of the reduction gear train.
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公开(公告)号：US11313418B2
公开(公告)日：2022-04-26
申请号：US16671706
申请日：2019-11-01
Applicant: Hamilton Sundstrand Corporation
Inventor： Matthew Allen Slayter , Richard Alan Davis , Benjamin T. Harder , James Vandung Nguyen , Paul F. Fox , Jeffrey Todd Roberts , Jeff A. Brown , Brian McMasters , Dwayne Leon Wilson , Daniel Richard Walker
Abstract: A method of manufacturing a motoring system for a gas turbine engine including the steps of: forming a mechanical shaft fuse, the mechanical shaft fuse including a plurality of through holes; forming an outer housing; installing a reduction gear train into the outer housing, the reduction gear train having an input and an output; operably connecting an electric motor to the input; operably connecting a clutch to the output using the mechanical shaft fuse, the clutch in operation engages and disengages the reduction gear train; operably connecting a starter to the clutch, the starter having an output shaft; and operably connecting an accessory gearbox to the output shaft of the starter. The mechanical shaft fuse in operation shears when torque on the mechanical is greater than or equal to a selected value.
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Patent Agency Ranking
公开(公告)号：US20190323434A1
公开(公告)日：2019-10-24
申请号：US16455935
申请日：2019-06-28
Applicant: Hamilton Sundstrand Corporation
Inventor： Matthew Allen Slayter , Richard Alan Davis , Paul F. Fox , Jeffrey Todd Roberts , Jeff A. Brown , James Vandung Nguyen , Benjamin T. Harder , Dwayne Leon Wilson , Brian McMasters , Daniel Richard Walker
Abstract: A method of manufacturing a motoring system for a gas turbine having the steps of: assembling a pinned mechanical fuse, the pinned mechanical fuse including at least one shear pin; forming an outer housing; installing a reduction gear train into the outer housing, the reduction gear train having an input and an output; operably connecting a motor to the input; operably connecting a clutch to the output using the pinned mechanical fuse, the clutch in operation engages and disengages the reduction gear train; operably connecting a starter to the clutch, the starter having an output shaft; and operably connecting an accessory gearbox to the output shaft of the starter. The clutch is operably connected to the accessory gearbox through the starter and the output shaft. The at least one shear pin in operation shears when torque on the pinned mechanical fuse is greater than or equal to a selected value.
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公开(公告)号：US20180010522A1
公开(公告)日：2018-01-11
申请号：US15201837
申请日：2016-07-05
Applicant: Hamilton Sundstrand Corporation
Inventor： Benjamin T. Harder , Matthew Allen Slayter , Brian McMasters , James Vandung Nguyen , Dwayne Leon Wilson , Paul F. Fox , Richard Alan Davis , Richard R. Hergert , Jeffrey Todd Roberts , Jeff A. Brown , Daniel Richard Walker
CPC classification number: F02C7/275 , F01D21/12 , F01D25/34 , F02C7/277 , F02C7/32 , F02C7/36 , F05D2220/32 , F05D2220/323 , F05D2230/60 , F05D2260/40311 , F05D2260/85 , F16H1/46
Abstract: According to an aspect, a system for a gas turbine engine includes a reduction gear train operable to drive rotation of a starter gear train that interfaces to an accessory gearbox of the gas turbine engine. The reduction gear train includes a starter interface gear that engages the starter gear train, a core-turning clutch operably connected to the starter interface gear, and a plurality of stacked planetary gear systems operably connected to the core-turning clutch and a core-turning input. The system also includes a mounting pad including an interface to couple a core-turning motor to the core-turning input of the reduction gear train.
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公开(公告)号：US20180010521A1
公开(公告)日：2018-01-11
申请号：US15202155
申请日：2016-07-05
Applicant: Hamilton Sundstrand Corporation
Inventor： Matthew Allen Slayter , Richard Alan Davis , Paul F. Fox , Jeffrey Todd Roberts , Jeff A. Brown , James Vandung Nguyen , Benjamin T. Harder , Dwayne Leon Wilson , Brian McMasters , Daniel Richard Walker
Abstract: A motoring system for a gas turbine engine having: a reduction gear train having an input and output; a motor operably connected to the input; a clutch operably connected to the output, the clutch in operation engages and disengages the reduction gear train; and a pinned mechanical fuse operably connecting the output to the clutch, the pinned mechanical fuse having at least one shear pin. The pinned mechanical fuse having: an outer sleeve having a first section, second section, inner chamber, outer wall, and at least one through hole connecting the inner chamber to the outer wall within the first section; and an inner sleeve having a first portion, second portion, outer surface, and at least one blind hole located in the outer surface within the second portion. The second portion being located within the inner chamber and operably connected to the outer sleeve through at least one shear pin.
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公开(公告)号：US11536199B2
公开(公告)日：2022-12-27
申请号：US16455935
申请日：2019-06-28
Applicant: Hamilton Sundstrand Corporation
Inventor： Matthew Allen Slayter , Richard Alan Davis , Paul F. Fox , Jeffrey Todd Roberts , Jeff A. Brown , James Vandung Nguyen , Benjamin T. Harder , Dwayne Leon Wilson , Brian McMasters , Daniel Richard Walker
Abstract: A method of manufacturing a motoring system for a gas turbine having the steps of: assembling a pinned mechanical fuse, the pinned mechanical fuse including at least one shear pin; forming an outer housing; installing a reduction gear train into the outer housing, the reduction gear train having an input and an output; operably connecting a motor to the input; operably connecting a clutch to the output using the pinned mechanical fuse, the clutch in operation engages and disengages the reduction gear train; operably connecting a starter to the clutch, the starter having an output shaft; and operably connecting an accessory gearbox to the output shaft of the starter. The clutch is operably connected to the accessory gearbox through the starter and the output shaft. The at least one shear pin in operation shears when torque on the pinned mechanical fuse is greater than or equal to a selected value.
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公开(公告)号：US10473034B2
公开(公告)日：2019-11-12
申请号：US15201841
申请日：2016-07-05
Applicant: Hamilton Sundstrand Corporation
Inventor： Benjamin T. Harder , Brian McMasters , James Vandung Nguyen , Dwayne Leon Wilson , Paul F. Fox , Richard Alan Davis , Richard R. Hergert , Jeffrey Todd Roberts , Jeff A. Brown , Daniel Richard Walker , Matthew Allen Slayter , William G. Sheridan
Abstract: According to an aspect, a system for a gas turbine engine includes a reduction gear train operable to drive rotation of a starter gear train that interfaces to an accessory gearbox of the gas turbine engine. The reduction gear train includes a starter interface gear that engages the starter gear train and a core-turning clutch operably connected to the starter interface gear. The reduction gear train also includes a geared rotary actuator including a primary planetary gear system, where the geared rotary actuator is operably connected to the core-turning clutch. The reduction gear train further includes a secondary planetary gear system operably connected to the primary planetary gear system and a core-turning input. The system also includes a mounting pad with an interface to couple a core-turning motor to the core-turning input of the reduction gear train.
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