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1.发明公开公开(公告)号：US20240140052A1
公开(公告)日：2024-05-02
申请号：US17977083
申请日：2022-10-31
CPC分类号： B29C70/345 , B29C45/0005 , B29C45/14008 , B29C45/14221 , B29C45/80 , B29C70/06 , B29L2007/002
摘要： A method for fabricating a composite panel includes providing a preform including a peripheral edge portion and a central portion. The central portion has a first thickness, the peripheral edge portion has a second thickness that is greater than the first thickness, and a first step is arranged between the central portion and the peripheral edge portion. The method includes providing a tool including a binder defining a second step, an upper punch, and a lower tool; arranging the preform between the binder and the upper punch and the lower tool; shaping the preform using the tool; and injection molding the preform in the tool to create the composite panel.
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2.发明公开公开(公告)号：US20230142691A1
公开(公告)日：2023-05-11
申请号：US17472210
申请日：2021-09-10
发明人： Venkateshwar R. AITHARAJU , Xiaosong HUANG , Bhavesh SHAH , Gustavo Cibrian SALAZAR , Su Jung HAN
IPC分类号： H01M50/231 , H01M50/209 , H01M50/227 , H01M50/224 , H01M50/233
CPC分类号： H01M50/231 , H01M50/209 , H01M50/224 , H01M50/227 , H01M50/233
摘要： A hybrid material housing for a battery is provided for reducing or minimizing thermal runaway propagation. The housing includes a composite structure that contains the battery and optionally includes a polymeric matrix selected from the group consisting of: epoxy, phenolic resin, polyester, vinyl ester, and combinations thereof and a reinforcing material selected from the group consisting of: glass fibers, carbon fibers, basalt fibers, aromatic polyamide KEVLAR® fibers, and combinations thereof. A metal layer is disposed along an exterior surface of the composite structure that comprises aluminum, steel, stainless steel, alloys, and combinations thereof. In a first mode, the metal layer contacts the composite structure and in a second mode after exposure to a thermal load of greater than or equal to about 500° C., the metal layer at least partially delaminates from the exterior surface and forms insulating air gaps to define a thermal barrier. Methods of forming the hybrid material housings are also provided.
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公开(公告)号：US20220190434A1
公开(公告)日：2022-06-16
申请号：US17119585
申请日：2020-12-11
IPC分类号： H01M50/367 , H01M50/16 , H01M50/164 , H01M50/157
摘要： The present disclosure relates to composite battery covers including one or more integral vent members configured to release pressure. An example composite battery cover includes a continuous sheet having a first stiffness and one or more vent members defined in the continuous sheet. Each of the one or more vent members may include a first area having a second stiffness and/or a second area having a third stiffness. The second stiffness may be different from the first stiffness. The third stiffness may be different from the second stiffness and/or the first stiffness. The stiffness and strength of the continuous sheet and/or one or more vent members may be controlled by variable thicknesses and/or fiber loadings.
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公开(公告)号：US20220134607A1
公开(公告)日：2022-05-05
申请号：US17085497
申请日：2020-10-30
摘要： A method of fabricating a preform is provided. The method includes disposing a veil over a first mold portion having a three-dimensional shape, the veil including a thermoplastic material and magnetic particles; disposing a fiber tow onto the veil; heating at least a portion of the veil by induction so that the fiber tow becomes coupled to the veil; compressing the fiber tow and the veil toward each other with a second mold portion that has a negative contour relative to the first mold portion; and removing the preform from the first and second mold portions. The preform has the three-dimensional shape and includes the fiber tow coupled to the veil. Preforms prepared by the method are also provided.
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公开(公告)号：US20210229327A1
公开(公告)日：2021-07-29
申请号：US16773516
申请日：2020-01-27
摘要： 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：US20230407531A1
公开(公告)日：2023-12-21
申请号：US17840845
申请日：2022-06-15
CPC分类号： D02J1/18 , B29C70/08 , B29C70/10 , B29L2031/7146
摘要： A composite component includes a substrate including a first region and a second region. A plurality of first fiber tows is arranged in the first region and including non-conductive filaments. First stitches attach the plurality of first fiber tows to a first surface of the substrate. A plurality of second fiber tows are arranged in the second region and including conductive filaments. Second stitches attach the plurality of second fiber tows to the first surface of the substrate.
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7.发明公开公开(公告)号：US20230402685A1
公开(公告)日：2023-12-14
申请号：US17835612
申请日：2022-06-08
IPC分类号： H01M50/126 , H01M50/375 , H01M50/383 , H01M50/367
CPC分类号： H01M50/126 , H01M50/375 , H01M50/383 , H01M50/367 , H01M2200/10
摘要： The present disclosure provides a composite material housing for a battery pack for reducing or minimizing thermal runaway propagation. The composite material housing includes a polymeric structure defining an interior-facing surface and an exterior-facing surface. The polymeric structure includes a fire resistant material layer and a reinforcing material layer, where the fire resistant material layer defines an interior-facing surface, and the reinforcing material layer defines the exterior-facing surface. The composite material further includes a metallic layer disposed along the exterior-facing surface, where in a first operational mode the metallic layer contacts the exterior-facing surface and in a second operational mode, after exposure to a thermal load of greater than or equal to about 500° C., the metallic layer at least partially delaminates from the exterior-facing surface and forms one or more insulating air gaps that define a thermal barrier.
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公开(公告)号：US20220324310A1
公开(公告)日：2022-10-13
申请号：US17226942
申请日：2021-04-09
发明人： Venkateshwar R. AITHARAJU , Gurpinder S. DHALIWAL , Erik B. GOLM , Princess Len M. CARLOS , Donald E. MATTHEWS , James K. SCHOENOW
摘要： The present disclosure provides a composite lift gate for a vehicle. The composite lift gate includes a polymer matrix and a fiber assembly. The fiber assembly is embedded in the polymer matrix. The fiber assembly includes a fiber mat and a plurality of substantially-aligned continuous fibers. The plurality of substantially-aligned continuous fibers is directly connected to a portion of the fiber mat. In one aspect, the composite lift gate further includes an electronic component connected to the fiber assembly. In various aspects, the present disclosure provides a method of manufacturing a composite lift gate for a vehicle.
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公开(公告)号：US20190308669A1
公开(公告)日：2019-10-10
申请号：US15947406
申请日：2018-04-06
发明人： Venkateshwar R. AITHARAJU , Satvir AASHAT , William R. RODGERS , Teresa U. HOLINESS-STALLING , Marc-Philippe TOITGANS , Adam BURLEY
摘要： An underbody assembly for a vehicle includes a plurality of polymer-fiber composite components. The polymer-fiber composite components include a base and a first reinforcement. The base includes a first side and a second side. The base is configured to extend in a longitudinal direction between a front of the vehicle and a rear of the vehicle. The first reinforcement is coupled to the base. The first reinforcement includes a first elongated ridge and a first elongated trough. The first elongated trough is disposed adjacent to the first elongated ridge. The first elongated ridge and the first elongated trough each extend transversely between the first side of the base and the second side of the base. In various aspects, the underbody assembly consists essentially of the polymer-fiber composite components.
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公开(公告)号：US20190263342A1
公开(公告)日：2019-08-29
申请号：US15907036
申请日：2018-02-27
IPC分类号： B60R19/18
摘要： 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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