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公开(公告)号：US20200298472A1
公开(公告)日：2020-09-24
申请号：US16361685
申请日：2019-03-22
Applicant: GM Global Technology Operations LLC
Inventor： Andrew Thomas Cunningham , Brennon L. White , Paul J. Wolcott , Ali Shabbir , Zachary P. Steffes
IPC: B29C64/147 , B29C64/20 , B29C64/393
Abstract: An additive manufacturing method comprises: positioning a sheet of composite material; curing a predetermined portion of the sheet; cutting the sheet about the perimeter of the predetermined portion to create a preceding processed sheet; adding a successive sheet of composite material atop and in contact with the preceding processed sheet; curing a predetermined portion of the successive sheet such that the predetermined portions of the successive sheet and the preceding processed sheet are bonded together; and cutting the successive sheet about the perimeter of its predetermined portion to create a subsequent processed sheet. The steps of adding, curing and cutting a successive sheet may be repeated for a plurality of cycles to produce a three-dimensional composite product.
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公开(公告)号：US11724588B2
公开(公告)日：2023-08-15
申请号：US17027844
申请日：2020-09-22
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Paul J. Wolcott , Andrew Thomas Cunningham , Zachary P. Steffes , Jeffrey B. Harris
CPC classification number: B60K11/06 , B29C64/153 , B29C64/30 , B33Y10/00 , B33Y40/00 , B33Y80/00 , B29L2031/3005
Abstract: Products and methods are provided for additive manufacturing of products in a collapsed state for post printing expansion in preparation for use in their intended application. A product includes interconnecting members configured for forming by printing in a collapsed state, with joints between the interconnecting members configured for relative movement of the interconnected members from the collapsed state to an expanded state. The interconnecting members define a larger package size in the expanded state than in the collapsed state. The joints are freely moveable in the collapsed state and are locked in place in the expanded state.
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公开(公告)号：US11359522B2
公开(公告)日：2022-06-14
申请号：US16450306
申请日：2019-06-24
Applicant: GM Global Technology Operations LLC
Inventor： Andrew Thomas Cunningham , Andrea Boscolo , Ali Shabbir , Zachary P. Steffes , Michael P. Van De Velde
Abstract: A tubular structure comprises a first end and a second end, a cylindrical outer structure, and at least one inner cavity defined by the cylindrical outer structure and the first and second ends. The first and second ends each include a recess and a cap press fit within the recess. The caps provide a connection point for the ends of the tubular structure. Each end includes a vent in fluid communication with the inner cavity during manufacturing of the tubular structure, prior to insertion of the caps. An isotropic internal support structure extends longitudinally between the ends within the cylindrical outer structure and defines an oil flow channel extending through the tubular structure, each cap includes a cap orifice aligned with the oil flow channel, and the cylindrical outer structure, the first and second ends, and the internal support structure are continuously and unitarily formed.
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Patent Agency Ranking
公开(公告)号：US20210260656A1
公开(公告)日：2021-08-26
申请号：US16796244
申请日：2020-02-20
Applicant: GM Global Technology Operations LLC
Inventor： Andrew T. Cunningham , Ali Shabbir , Zachary P. Steffes , Paul J. Wolcott
Abstract: A method of forming an additive manufactured component comprises depositing a first layer of build material on a build platform within an additive manufacturing machine, depositing reinforcement fibers into the first layer of build material, orienting the reinforcement fibers within the first layer of build material, lowering the build platform, depositing a second layer of build material on top of the first layer of build material, depositing reinforcement fibers into the second layer of build material, and orienting the reinforcement fibers within the second layer of build material.
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公开(公告)号：US20220089015A1
公开(公告)日：2022-03-24
申请号：US17027844
申请日：2020-09-22
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Paul J. Wolcott , Andrew Thomas Cunningham , Zachary P. Steffes , Jeffrey B. Harris
Abstract: Products and methods are provided for additive manufacturing of products in a collapsed state for post printing expansion in preparation for use in their intended application. A product includes interconnecting members configured for forming by printing in a collapsed state, with joints between the interconnecting members configured for relative movement of the interconnected members from the collapsed state to an expanded state. The interconnecting members define a larger package size in the expanded state than in the collapsed state. The joints are freely moveable in the collapsed state and are locked in place in the expanded state.
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公开(公告)号：US11504769B2
公开(公告)日：2022-11-22
申请号：US16796244
申请日：2020-02-20
Applicant: GM Global Technology Operations LLC
Inventor： Andrew T. Cunningham , Ali Shabbir , Zachary P. Steffes , Paul J. Wolcott
Abstract: A method of forming an additive manufactured component comprises depositing a first layer of build material on a build platform within an additive manufacturing machine, depositing reinforcement fibers into the first layer of build material, orienting the reinforcement fibers within the first layer of build material, lowering the build platform, depositing a second layer of build material on top of the first layer of build material, depositing reinforcement fibers into the second layer of build material, and orienting the reinforcement fibers within the second layer of build material.
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公开(公告)号：US20220099114A1
公开(公告)日：2022-03-31
申请号：US17038501
申请日：2020-09-30
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Jeffrey Harris , Andrew T. Cunningham , Zachary P. Steffes , Thomas Curtis , Qigui Wang , David C. Caples
IPC: F15D1/04
Abstract: A flow conditioning device includes a body portion having first and second ends and an interior surface defining a channel extending from the first end to the second end, and one or more flow conditioning elements disposed within the channel. Each of the one or more flow conditioning elements is integrally formed with the interior surface of the body portion, and may be a respective flow straightening tube, a flow straightening vane, a hole array plate, a turning vane, a swirling vane, a helical ridge formed along a respective longitudinal segment of the interior surface, or another configuration. The body portion and the one or more flow conditioning elements may be formed by an additive manufacturing process, and may optionally be made of the same material.
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公开(公告)号：US11235517B2
公开(公告)日：2022-02-01
申请号：US16361685
申请日：2019-03-22
Applicant: GM Global Technology Operations LLC
Inventor： Andrew Thomas Cunningham , Brennon L. White , Paul J. Wolcott , Ali Shabbir , Zachary P. Steffes
IPC: B29C64/00 , B29C64/147 , B29C64/393 , B29C64/20 , B29C64/188
Abstract: An additive manufacturing method comprises: positioning a sheet of composite material; curing a predetermined portion of the sheet; cutting the sheet about the perimeter of the predetermined portion to create a preceding processed sheet; adding a successive sheet of composite material atop and in contact with the preceding processed sheet; curing a predetermined portion of the successive sheet such that the predetermined portions of the successive sheet and the preceding processed sheet are bonded together; and cutting the successive sheet about the perimeter of its predetermined portion to create a subsequent processed sheet. The steps of adding, curing and cutting a successive sheet may be repeated for a plurality of cycles to produce a three-dimensional composite product.
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