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公开(公告)号：US11688214B1
公开(公告)日：2023-06-27
申请号：US17592901
申请日：2022-02-04
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Venkateshwar R. Aitharaju , Selina Xinyue Zhao , Andrew J. Galant , Dorel M. Sala , William R. Rodgers , Terrence Wathen
IPC: G07C5/08 , G01J5/04 , G01J5/12 , G01H11/08 , H02J50/20 , G06K19/07 , H02J50/00 , H02N2/18 , H02J7/34
CPC classification number: G07C5/0808 , G01H11/08 , G01J5/041 , G01J5/12 , G06K19/0704 , H02J7/345 , H02J50/001 , H02J50/20 , H02N2/186
Abstract: A composite panel for a vehicle includes a plurality of layers bonded together by resin. A sensing assembly is arranged between at least two of the plurality of layers. The sensing assembly includes at least one of a piezoelectric layer to sense vibration of the composite panel when installed on the vehicle and a thermopile configured to sense changes in temperature of the composite panel when installed on the vehicle. The sensing assembly further includes a transmitter configured to transmit data to the vehicle based on an output of the at least one of the piezoelectric layer and the thermopile.
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2.发明公开公开(公告)号：US20230158712A1
公开(公告)日：2023-05-25
申请号：US17531318
申请日：2021-11-19
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： William R. Rodgers , Terrence Wathen , Selina Xinyue Zhao , Venkateshwar R. Aitharaju
CPC classification number: B29B11/16 , B29C70/222
Abstract: The present application discloses a method of making a preform for use in manufacturing a component made of a composite material. The method includes stitching fibers onto a film to form a fiber bed in a two-dimensional shape, removing the film from the fiber bed, and adjusting the fiber bed into a three-dimensional shape to form the preform.
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公开(公告)号：US20220281186A1
公开(公告)日：2022-09-08
申请号：US17193010
申请日：2021-03-05
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Venkateshwar R. Aitharaju , Princess Len Carlos , Erik B. Golm , Terrence Wathen
IPC: B29C70/72 , B32B5/26 , B32B5/06 , B32B15/14 , B32B3/26 , B32B7/03 , B32B7/09 , D05B93/00 , B29C70/68 , B29C71/02
Abstract: A reinforced composite assembly includes a first sheet made of carbon fiber and having a first perimeter, a second sheet made of a non-carbon fiber material and having a second perimeter, wherein the second sheet is disposed atop the first sheet within the first perimeter, and a metallic plate having a third perimeter, wherein the metallic plate is disposed atop the second sheet within the second perimeter. The metallic plate has a plurality of holes formed therein about a perimeter of the metallic plate and defining a plurality of respective bridge portions between each of the holes and an adjacent outer edge of the metallic plate, and/or a plurality of extensions extending outward from a main portion of the metallic plate. A first arrangement of thread stitching secures each of the bridge portions and extensions to the second sheet or to the first and second sheets.
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公开(公告)号：US11077812B2
公开(公告)日：2021-08-03
申请号：US15907036
申请日：2018-02-27
Inventor： William R. Rodgers , Venkateshwar R. Aitharaju , Terrence Wathen , Yutaka Yagi
IPC: B60R19/18
Abstract: An energy-absorbing assembly includes a housing and a plurality of discrete energy-absorbing elements. The housing includes a first wall and a second wall. The first wall and the second wall are spaced apart from one another to at least partially define an interior compartment. Each element of the plurality of energy-absorbing elements includes a polymer and a plurality of reinforcing fibers. The plurality of energy-absorbing elements is at least partially disposed within the interior compartment and fixed to the housing. Each energy-absorbing element of the plurality of energy-absorbing elements includes an elongated hollow structure extending between a first end and a second end. Each elongated hollow structure defines a longitudinal axis extending nonparallel to at least one of the first wall and the second wall. In various alternative aspects, each energy-absorbing element may include a transverse wall.
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Patent Agency Ranking
公开(公告)号：US12064902B2
公开(公告)日：2024-08-20
申请号：US17531318
申请日：2021-11-19
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： William R. Rodgers , Terrence Wathen , Selina Xinyue Zhao , Venkateshwar R. Aitharaju
CPC classification number: B29B11/16 , B29C70/222
Abstract: The present application discloses a method of making a preform for use in manufacturing a component made of a composite material. The method includes stitching fibers onto a film to form a fiber bed in a two-dimensional shape, removing the film from the fiber bed, and adjusting the fiber bed into a three-dimensional shape to form the preform.
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公开(公告)号：US11780185B2
公开(公告)日：2023-10-10
申请号：US17193010
申请日：2021-03-05
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Venkateshwar R. Aitharaju , Princess Len Carlos , Erik B. Golm , Terrence Wathen
IPC: B29C70/72 , B29C70/68 , B29C71/02 , B32B3/26 , B32B5/06 , B32B5/26 , B32B7/03 , B32B7/00 , B32B15/14 , D05B93/00 , B32B7/09 , B29K105/20 , B29K705/00 , B29K707/04
CPC classification number: B29C70/72 , B29C70/682 , B29C70/683 , B29C71/02 , B32B3/266 , B32B5/06 , B32B5/26 , B32B7/03 , B32B7/09 , B32B15/14 , D05B93/00 , B29K2105/20 , B29K2705/00 , B29K2707/04 , B29K2713/00 , B32B2262/106
Abstract: A reinforced composite assembly includes a first sheet made of carbon fiber and having a first perimeter, a second sheet made of a non-carbon fiber material and having a second perimeter, wherein the second sheet is disposed atop the first sheet within the first perimeter, and a metallic plate having a third perimeter, wherein the metallic plate is disposed atop the second sheet within the second perimeter. The metallic plate has a plurality of holes formed therein about a perimeter of the metallic plate and defining a plurality of respective bridge portions between each of the holes and an adjacent outer edge of the metallic plate, and/or a plurality of extensions extending outward from a main portion of the metallic plate. A first arrangement of thread stitching secures each of the bridge portions and extensions to the second sheet or to the first and second sheets.
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公开(公告)号：US11738479B1
公开(公告)日：2023-08-29
申请号：US17731843
申请日：2022-04-28
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Venkateshwar R. Aitharaju , Selina X. Zhao , Ritesh Dixit , Terrence Wathen , Alexander Millerman
CPC classification number: B29C33/303 , B29B11/06 , B29B11/14 , B29C33/202
Abstract: A mold for molding a composite preform that has an outer edge thereabout and a plurality of tethers each attached at respective opposed ends thereof to the outer edge. The mold includes first and second mold halves defining a mold body and being configured to transition between an open position and a generally closed position, and a plurality of moveable members each having a moveable gage pin configured for being wrapped thereabout by a respective one of the tethers and a respective actuator configured for moving the moveable gage pin between a respective first position in which the respective moveable gage pin is disposed at a respective first distance from a center of the mold body and a respective second position in which the respective moveable gage pin is disposed at a respective second distance from the center of the mold body that is less than the first distance.
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公开(公告)号：US11642819B2
公开(公告)日：2023-05-09
申请号：US16773516
申请日：2020-01-27
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Venkateshwar R. Aitharaju , William R. Rodgers , Selina X. Zhao , Terrence Wathen
CPC classification number: B29C45/14065 , B29C31/008 , B29C33/16 , B29C33/32 , B29C45/14008 , H01F1/04 , B29C2045/14131
Abstract: A method of manufacturing a composite component according to various aspects of the present disclosure includes disposing a fiber preform in a mold. The fiber preform includes a first portion having a first edge and a second portion having a second edge. The first edge and the second edge cooperate to at least partially define a gap. One of the first portion or the second portion includes a first ferromagnetic material and the other of the first portion or the second portion includes a first magnetic or magnetizable component. The method further includes closing the gap by generating a magnetic field from the first magnetic or magnetizable component. The method further includes injecting a polymer precursor into the mold. The method further includes forming the composite component by solidifying the polymer precursor to form a polymer. The composite component includes the fiber preform and the polymer.
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公开(公告)号：US11584044B2
公开(公告)日：2023-02-21
申请号：US16555762
申请日：2019-08-29
Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor： Bhavesh Shah , William R. Rodgers , Mark A. Voss , Terrence Wathen
Abstract: A method is provided for forming a near-net thermoplastic composite component includes co-spraying a mixture comprising a thermoplastic polymer material and a chopped reinforcing material deposited onto at least one region associated with a tool having a first temperature and defining a near-net component shape. The mixture and adjacent tool is heated to a second temperature while the mixture is on the tool. The first temperature is below the solidification temperature of the thermoplastic polymer material and the second temperature is above the solidification temperature. Then, the mixture is exposed to a negative pressure to promote removal of gases from the mixture and put under compressive force to densify the mixture. The thermoplastic polymer material melts and flows. The tool is cooled to the first temperature and removing the mixture to form the near-net thermoplastic composite component having randomly oriented chopped reinforcement material distributed within a thermoplastic polymer matrix.
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