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公开(公告)号：US10480417B2
公开(公告)日：2019-11-19
申请号：US15209984
申请日：2016-07-14
Applicant: Hamilton Sundstrand Corporation
Inventor： Keith E. Short , Daniel Richard Walker
Abstract: An air turbine starter device comprises a rotor arranged in a cavity of a housing, a first manifold having a cavity with a port operative to direct compressed air to the rotor, a second manifold having a cavity with a port operative to direct compressed air to the rotor, wherein the first manifold is larger than the second manifold.
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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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