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公开(公告)号:US20180269817A1
公开(公告)日:2018-09-20
申请号:US15462194
申请日:2017-03-17
Applicant: Hamilton Sundstrand Corporation
Inventor: Dhaval Patel , Jonathan C. Dell , Andreas C. Koenig , Glenn C. Lemmers, JR.
CPC classification number: H02P9/06 , H02P9/48 , H02P2101/30 , H02P2103/20
Abstract: A generator arrangement includes a stator with armature winding, a rotor with one or more permanent magnets supported for rotation relative to the stator, a variable speed drive, and a control module. The variable speed drive is connected to the rotor for rotating the rotor within a predetermined speed range. The control module is disposed in communication with the armature windings and is operatively connected to the variable speed drive to maintain constant output voltage as load changes by varying rotational speed of the rotor.
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公开(公告)号:US10014758B2
公开(公告)日:2018-07-03
申请号:US14806764
申请日:2015-07-23
Applicant: Hamilton Sundstrand Corporation
Inventor: Henry R. Vanderzyden , Jonathan C. Dell
CPC classification number: H02K15/16 , H02K5/04 , H02K7/1823 , Y10T29/49011
Abstract: A method of assembling an integrated drive generator includes the steps of providing a bore in a center housing portion, pressing a bearing liner into the bore, with a portion of the bearing liner extending proud of a surface of the center plate, and machining the surface around and adjacent to the bearing liner to provide a machined surface parallel to the surface.
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23.
公开(公告)号:US11152837B2
公开(公告)日:2021-10-19
申请号:US16563223
申请日:2019-09-06
Applicant: Hamilton Sundstrand Corporation
Inventor: Aaron M. Finke , Andreas C. Koenig , Glenn C. Lemmers, Jr. , Jonathan C. Dell , Andrew P. Grosskopf
Abstract: A generator arrangement includes a housing with a mounting feature, a main generator with an outboard shaft arranged within the housing and axially offset from the mounting feature along a rotation axis, and a permanent magnet generator. The permanent magnet generator has an inboard shaft arranged within the housing between the main generator and the mounting feature. The outboard shaft is coupled to the inboard shaft to provide rotation to the main generator through the permanent magnet generator. Accessory gearboxes and methods of generating electrical power are also described.
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公开(公告)号:US10961917B2
公开(公告)日:2021-03-30
申请号:US16536938
申请日:2019-08-09
Applicant: Hamilton Sundstrand Corporation
Inventor: Aaron M. Finke , Stephen Michael Bortoli , Jonathan C. Dell
Abstract: A turbomachine dual spool transmission system can include a direct drive assembly configured to selectively allow bypassing of a dual spool differential combination output to allow selective direct engagement of a low pressure spool to directly drive a rotational member or to be directly driven by the rotational member. The system can include the dual spool differential. The dual spool differential can include a gear assembly configured to combine a low pressure spool input and a high pressure spool input into a combination output to provide an output speed range smaller than a low pressure speed range alone.
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25.
公开(公告)号:US20210075292A1
公开(公告)日:2021-03-11
申请号:US16563223
申请日:2019-09-06
Applicant: Hamilton Sundstrand Corporation
Inventor: Aaron M. Finke , Andreas C. Koenig , Glenn C. Lemmers, JR. , Jonathan C. Dell , Andrew P. Grosskopf
Abstract: A generator arrangement includes a housing with a mounting feature, a main generator with an outboard shaft arranged within the housing and axially offset from the mounting feature along a rotation axis, and a permanent magnet generator. The permanent magnet generator has an inboard shaft arranged within the housing between the main generator and the mounting feature. The outboard shaft is coupled to the inboard shaft to provide rotation to the main generator through the permanent magnet generator. Accessory gearboxes and methods of generating electrical power are also described.
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公开(公告)号:US20210040894A1
公开(公告)日:2021-02-11
申请号:US16536960
申请日:2019-08-09
Applicant: Hamilton Sundstrand Corporation
Inventor: Aaron M. Finke , Stephen Michael Bortoli , Jonathan C. Dell
Abstract: A turbomachine dual spool transmission system can include a transmission assembly configured to connect to a combination output of a dual spool differential at a transmission input to be driven by the combination output to turn a transmission output. The transmission assembly can be configured to provide a first output gear ratio in a first state and a second output gear ratio in a second state. The system can include the dual spool differential. The dual spool differential can include a gear assembly configured to combine a low pressure spool input and a high pressure spool input into a combination output to provide an output speed range smaller than a low pressure speed range alone.
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公开(公告)号:US20200263741A1
公开(公告)日:2020-08-20
申请号:US16866415
申请日:2020-05-04
Applicant: Hamilton Sundstrand Corporation
Inventor: Kris H. Campbell , Jonathan C. Dell , Shin Katsumata
Abstract: A method of disconnecting a generator from a source of mechanical rotation includes receiving a generator disconnect command and receiving a rotational position of a generator input member. The input member rotational angle is compared to the target disconnect angle range, and a determination made whether to disconnect the input member from a generator drive member based on the comparison.
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公开(公告)号:US10326394B2
公开(公告)日:2019-06-18
申请号:US15792475
申请日:2017-10-24
Applicant: Hamilton Sundstrand Corporation
Inventor: Diego A. Rocha , Dhaval Patel , Jonathan C. Dell , John F. Defenbaugh , Eric A. Brust , Andreas C. Koenig
Abstract: An aircraft main power generation system includes a rotor shaft, a main power generator a permanent magnet, an exciter, an aircraft power bus, and a generator control unit. The generator control unit is configured to provide a control current to the exciter in response to a speed of the main power generator reaching a threshold speed and electrically couple the main power generator to the aircraft power bus in response to the speed of the main power generator reaching a minimum operating speed, the threshold speed being lower than the minimum operating speed; or provide a control current to the exciter in response to the speed of the main power generator reaching a predetermined speed and electrically coupling the main power generator to the aircraft power bus in response to a time period elapsing after the speed of the main power generator has reached the predetermined speed.
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公开(公告)号:US10273990B2
公开(公告)日:2019-04-30
申请号:US14596439
申请日:2015-01-14
Applicant: Hamilton Sundstrand Corporation
Inventor: Kris H. Campbell , Glenn C. Lemmers, Jr. , Doren C. Smith , Jonathan C. Dell , Jong-Yeong Yung , Ted A. Martin
Abstract: A fixed wobbler of a hydraulic unit includes a body having a first end and an opposite second end, the first end defining a first surface, and the second end defining a second surface oriented at an angle relative to the first surface, the body having an outer diameter and an inner wall defining an inner diameter, wherein the outer diameter is approximately 2.1655+0.0000−0.0007 inches (5.5004+0.000−0.0018 cm), and wherein the inner diameter is approximately 1.043±0.003 inches (2.6492±0.0076 cm).
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公开(公告)号:US20190123669A1
公开(公告)日:2019-04-25
申请号:US15792475
申请日:2017-10-24
Applicant: Hamilton Sundstrand Corporation
Inventor: Diego A. Rocha , Dhaval Patel , Jonathan C. Dell , John F. Defenbaugh , Eric A. Brust , Andreas C. Koenig
Abstract: An aircraft main power generation system includes a rotor shaft, a main power generator a permanent magnet, an exciter, an aircraft power bus, and a generator control unit. The generator control unit is configured to provide a control current to the exciter in response to a speed of the main power generator reaching a threshold speed and electrically couple the main power generator to the aircraft power bus in response to the speed of the main power generator reaching a minimum operating speed, the threshold speed being lower than the minimum operating speed; or provide a control current to the exciter in response to the speed of the main power generator reaching a predetermined speed and electrically coupling the main power generator to the aircraft power bus in response to a time period elapsing after the speed of the main power generator has reached the predetermined speed.
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