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公开(公告)号：US20200102967A1
公开(公告)日：2020-04-02
申请号：US16146444
申请日：2018-09-28
Applicant: General Electric Company
Inventor： Matthew John McKeever , Vasantharuban Subramanian , Mariadas Anton Charles Anandarajah , Yingbin Bao , Derek Paul Columbus
Abstract: A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the suction side sections of the first suction portion of the nominal airfoil profile are coupled together to define the first suction portion, the airfoil includes an airfoil length along a Z axis, the first suction portion comprises a first portion length along the Z axis, the first portion length is less than or equal to the airfoil length, and the Cartesian coordinate values of X, Y, and Z are non-dimensional values convertible to dimensional distances.
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公开(公告)号：US11028709B2
公开(公告)日：2021-06-08
申请号：US16134344
申请日：2018-09-18
Applicant: General Electric Company
Inventor： Vasantharuban Subramanian , Ronald Denmark , Prem Navin Dhayanandam , Richard Gutta , Sanjeev Kumar Jha
Abstract: An airfoil and shroud assembly includes an airfoil including a root end, a free end and a tenon extending from the free end, the tenon including a base and an externally threaded stud extending from the base. A shroud includes an opening configured to receive the base of the tenon. A nut is configured to be threadably coupled to the externally threaded stud on the tenon on the airfoil to couple the shroud to the airfoil.
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公开(公告)号：US10781825B2
公开(公告)日：2020-09-22
申请号：US16146444
申请日：2018-09-28
Applicant: General Electric Company
Inventor： Matthew John McKeever , Vasantharuban Subramanian , Mariadas Anton Charles Anandarajah , Yingbin Bao , Derek Paul Columbus
Abstract: A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the suction side sections of the first suction portion of the nominal airfoil profile are coupled together to define the first suction portion, the airfoil includes an airfoil length along a Z axis, the first suction portion comprises a first portion length along the Z axis, the first portion length is less than or equal to the airfoil length, and the Cartesian coordinate values of X, Y, and Z are non-dimensional values convertible to dimensional distances.
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公开(公告)号：US20200088049A1
公开(公告)日：2020-03-19
申请号：US16134344
申请日：2018-09-18
Applicant: General Electric Company
Inventor： Vasantharuban Subramanian , Ronald Denmark , Prem Navin Dhayanandam , Richard Gutta , Sanjeev Kumar Jha
Abstract: An airfoil and shroud assembly includes an airfoil including a root end, a free end and a tenon extending from the free end, the tenon including a base and an externally threaded stud extending from the base. A shroud includes an opening configured to receive the base of the tenon. A nut is configured to be threadably coupled to the externally threaded stud on the tenon on the airfoil to couple the shroud to the airfoil.
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