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1.发明申请公开(公告)号：US20210129236A1
公开(公告)日：2021-05-06
申请号：US16668846
申请日：2019-10-30
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Kurt Kramer Schleif , Fabian Gubelmann , Andrew David Ellis , Robert David Jones , Thomas Gloor , Roman Stefan Peter
Abstract: A milling device for machining a slot into an inner surface of a casing for a gas turbine engine. The milling device includes a frame assembly including multiple structural guides configured to engage structural features on the inner surface of the casing to maintain an axial position of the milling device relative to a longitudinal axis of the casing. The milling device also includes a milling cutter coupled to the frame assembly. The milling device is configured to be displaced in a circumferential direction relative to the longitudinal axis to machine the slot, via the milling cutter, along the inner surface of the casing in the circumferential direction.
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2.发明授权公开(公告)号：US11925991B2
公开(公告)日：2024-03-12
申请号：US17864854
申请日：2022-07-14
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Kurt Kramer Schleif , Fabian Gubelmann , Andrew David Ellis , Robert David Jones , Thomas Gloor , Roman Stefan Peter
CPC classification number: B23C3/34 , B23C3/02 , B23Q9/0035 , B23C2220/36 , B23C2270/18 , F05D2230/10 , Y10T409/304424 , Y10T409/30644
Abstract: A milling device for machining a slot into an inner surface of a casing for a gas turbine engine. The milling device includes a frame assembly including multiple structural guides configured to engage structural features on the inner surface of the casing to maintain an axial position of the milling device relative to a longitudinal axis of the casing. The milling device also includes a milling cutter coupled to the frame assembly. The milling device is configured to be displaced in a circumferential direction relative to the longitudinal axis to machine the slot, via the milling cutter, along the inner surface of the casing in the circumferential direction.
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3.发明申请公开(公告)号：US20220362865A1
公开(公告)日：2022-11-17
申请号：US17864854
申请日：2022-07-14
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Kurt Kramer Schleif , Fabian Gubelmann , Andrew David Ellis , Robert David Jones , Thomas Gloor , Roman Stefan Peter
Abstract: A milling device for machining a slot into an inner surface of a casing for a gas turbine engine. The milling device includes a frame assembly including multiple structural guides configured to engage structural features on the inner surface of the casing to maintain an axial position of the milling device relative to a longitudinal axis of the casing. The milling device also includes a milling cutter coupled to the frame assembly. The milling device is configured to be displaced in a circumferential direction relative to the longitudinal axis to machine the slot, via the milling cutter, along the inner surface of the casing in the circumferential direction.
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