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公开(公告)号：US10006520B2
公开(公告)日：2018-06-26
申请号：US15253564
申请日：2016-08-31
Applicant: General Electric Company
Inventor： Haris Ligata
CPC classification number: F16H1/2818 , F02C7/36 , F05D2260/31 , F05D2260/40311 , F16H57/0471
Abstract: A ring gear having a longitudinal axis includes an annular gear rim. The annular gear rim further includes an inner annular surface and a plurality of teeth extending from the inner annular surface, the plurality of teeth configured to mate with a planet gear of a planetary gear assembly. The annular gear rim further includes a plurality of pin members distributed circumferentially about the annular gear rim, each pin member of the plurality of pin members oriented parallel to the longitudinal axis. The plurality of pin members is configured to couple the annular gear rim to a secondary structure and, when coupled to the secondary structure, to facilitate bending of the annular gear rim when a load is applied to at least a portion of the plurality of teeth by the planet gear.
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Patent Agency Ranking
公开(公告)号：US20140147253A1
公开(公告)日：2014-05-29
申请号：US13688613
申请日：2012-11-29
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Jeremy Daniel Van Dam , Vittorio Michelassi , René du Cauze de Nazelle , Siddharth Navinchandra Ashar , Haris Ligata
IPC: F04D3/00
CPC classification number: F04D3/00 , F04D13/028 , F04D19/024 , F04D25/028
Abstract: A counter rotating helico-axial pump is provided, the pump comprising: (a) an inner rotor comprising a plurality of outwardly extending helico-axial impeller vanes; (b) a hollow outer rotor comprising a plurality of inwardly extending helico-axial impeller vanes; (c) a single driving device configured to drive the inner rotor or the hollow outer rotor; and (d) a force transmission coupling joining the inner rotor and the hollow outer rotor and configured to permit rotation of the inner rotor and hollow outer rotor in opposite directions; wherein at least a portion of the inner rotor is disposed within the hollow outer rotor, and wherein the inner rotor, the hollow outer rotor and the helico-axial impeller vanes define a fluid flow path, and wherein the inner rotor and hollow outer rotor are configured such that at least some of adjacent helico-axial impeller vanes are configured to rotate in opposite directions.
Abstract translation: 提供了一种反向旋转的直轴向泵，所述泵包括：（a）内转子，其包括多个向外延伸的直流叶轮叶片; （b）中空外转子，其包括多个向内延伸的直轴向叶轮叶片; （c）构造成驱动内转子或中空外转子的单个驱动装置; 以及（d）连接所述内转子和所述中空外转子并且构造成允许内转子和中空外转子在相反方向旋转的力传递耦合; 其特征在于，所述内转子的至少一部分设置在所述中空外转子内，并且其中所述内转子，所述中空外转子和所述直流叶轮叶片限定流体流动路径，并且其中所述内转子和中空外转子 被配置成使得至少一些相邻的直叶叶轮叶片构造成沿相反方向旋转。
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公开(公告)号：US20190186598A1
公开(公告)日：2019-06-20
申请号：US16284358
申请日：2019-02-25
Applicant: General Electric Company
Inventor： Kennneth Lee Fisher , Darren Lee Hallman , Bugra Han Ertas , Donald Albert Bradley , Haris Ligata , William Howard Hasting , Ning Fang , Gert Johannes van der Merwe , Mark Alan Rhoads
CPC classification number: F16H1/2809 , F02C7/36 , F16C19/361 , F16H57/082
Abstract: A planet gear includes an annular planet gear rim having a constant inner radius along a complete axial length and an outer radius defined as the radial distance to the root of the gear teeth. The annular planet gear rim further has an average rim radius defined at a halfway point between the constant inner radius and the outer radius. The average rim radius and the rim thickness define a ratio including values in a range from and including about 4 to and including about 9. A gear assembly and turbomachine including the planet gear are disclosed.
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公开(公告)号：US20170191548A1
公开(公告)日：2017-07-06
申请号：US14984472
申请日：2015-12-30
Applicant: General Electric Company
Inventor： Kenneth Lee Fisher , Darren Lee Hallman , Bugra Han Ertas , Donald Albert Bradley , Haris Ligata , William Howard Hasting , Ning Fang , Gert Johannes van der Merwe , Mark Alan Rhoads
CPC classification number: F16H57/08 , F02C7/36 , F02K3/06 , F05D2260/40311
Abstract: A planet gear includes an annular planet gear ring including an annular planet gear rim. The annular planet gear rim has an inner radius and an outer radius. The inner radius and the outer radius define a rim thickness therebetween. The annular planet gear rim further has a bending stress neutral axis. The bending stress neutral axis radius and the rim thickness define a ratio including values in a range from and including about 3 to and including about 10.
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公开(公告)号：US20180058545A1
公开(公告)日：2018-03-01
申请号：US15253564
申请日：2016-08-31
Applicant: General Electric Company
Inventor： Haris Ligata
CPC classification number: F16H1/2818 , F02C7/36 , F05D2260/31 , F05D2260/40311 , F16H57/0471 , F16H57/12
Abstract: A ring gear having a longitudinal axis includes an annular gear rim. The annular gear rim further includes an inner annular surface and a plurality of teeth extending from the inner annular surface, the plurality of teeth configured to mate with a planet gear of a planetary gear assembly. The annular gear rim further includes a plurality of pin members distributed circumferentially about the annular gear rim, each pin member of the plurality of pin members oriented parallel to the longitudinal axis. The plurality of pin members is configured to couple the annular gear rim to a secondary structure and, when coupled to the secondary structure, to facilitate bending of the annular gear rim when a load is applied to at least a portion of the plurality of teeth by the planet gear.
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公开(公告)号：US09127679B2
公开(公告)日：2015-09-08
申请号：US13688613
申请日：2012-11-29
Applicant: General Electric Company
Inventor： Jeremy Daniel Van Dam , Vittorio Michelassi , René du Cauze de Nazelle , Siddharth Navinchandra Ashar , Haris Ligata
CPC classification number: F04D3/00 , F04D13/028 , F04D19/024 , F04D25/028
Abstract: A counter rotating helico-axial pump is provided, the pump comprising: (a) an inner rotor comprising a plurality of outwardly extending helico-axial impeller vanes; (b) a hollow outer rotor comprising a plurality of inwardly extending helico-axial impeller vanes; (c) a single driving device configured to drive the inner rotor or the hollow outer rotor; and (d) a force transmission coupling joining the inner rotor and the hollow outer rotor and configured to permit rotation of the inner rotor and hollow outer rotor in opposite directions; wherein at least a portion of the inner rotor is disposed within the hollow outer rotor, and wherein the inner rotor, the hollow outer rotor and the helico-axial impeller vanes define a fluid flow path, and wherein the inner rotor and hollow outer rotor are configured such that at least some of adjacent helico-axial impeller vanes are configured to rotate in opposite directions.
Abstract translation: 提供了一种反向旋转的直轴向泵，所述泵包括：（a）内转子，其包括多个向外延伸的直流叶轮叶片; （b）中空外转子，其包括多个向内延伸的直轴向叶轮叶片; （c）构造成驱动内转子或中空外转子的单个驱动装置; 以及（d）连接所述内转子和所述中空外转子并且构造成允许内转子和中空外转子在相反方向旋转的力传递耦合; 其特征在于，所述内转子的至少一部分设置在所述中空外转子内，并且其中所述内转子，所述中空外转子和所述直流叶轮叶片限定流体流动路径，并且其中所述内转子和中空外转子 被配置成使得至少一些相邻的直叶叶轮叶片构造成沿相反方向旋转。
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