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公开(公告)号：US20250010918A1
公开(公告)日：2025-01-09
申请号：US18709912
申请日：2022-10-27
Applicant: JFE STEEL CORPORATION
Inventor： Toshiharu ISHIKAWA , Kazuhiko HIGAI , Tsuyoshi SHIOZAKI
Abstract: A lower structure of automotive body of an automobile includes: side sills arranged on both sides of an automotive body lower portion along a vehicle longitudinal direction; a floor cross member arranged between the side sills and having both side portions fixed to upper portions of the side sills; and a battery case arranged below the floor cross member and having both side portions facing lower portions of the side sills. Each of the side sills includes: a partition member that vertically passes a closed sectional space in the side sill, and has a structure in which the closed sectional space is partitioned into a first closed sectional space and a second closed sectional space in a vehicle width direction by the partition member; and an impact absorbing structure.
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2.发明公开公开(公告)号：US20240092425A1
公开(公告)日：2024-03-21
申请号：US18276146
申请日：2021-10-29
Applicant: JFE STEEL CORPORATION
Inventor： Toshiharu ISHIKAWA , Kazuhiko HIGAI , Tsuyoshi SHIOZAKI
CPC classification number: B62D21/152 , B60R19/34 , B62D29/001
Abstract: A crash energy absorption part for an automobile is provided in a front portion or a rear portion of an automotive body and absorbing crash energy when a crash load is input from a front or a rear of the automotive body, and includes: a top portion; a tubular member including a side wall portion continuous with the top portion via a shoulder part of a punch; and a resin applied or patched to at least an inner surface of the shoulder part of a punch of the tubular member. The resin has a thickness gradually changing in an axial direction from one end side toward other end side, a thickest portion of the thickness is 8 mm or less, and the resin is bonded to the inner surface with an adhesive strength of 10 MPa or more and is axially crushed when the crash load is input.
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