公开(公告)号：US20240093751A1

公开(公告)日：2024-03-21

申请号：US18274456

申请日：2022-02-18

Applicant: Hitachi Astemo, Ltd.

Inventor： Takuya HAKOISHI ,  Shinichi KAGAWA ,  Eiichi KOMORI

IPC: F16F9/32

CPC classification number: F16F9/32

Abstract: Provided is a bumper cap to be attached to a shock absorber main body, and includes a cover part having an opening at one end, having a bottom part and a through hole penetrating the bottom part at another end, and configured to cover the shock absorber main body, and a plurality of protruding parts protruding from the bottom part of the cover part toward the opening side, and in which a gap is formed between the adjacent protruding parts, in which a suppression part configured to suppress a rotation of a fluid, which has flowed into a space between the inside of the cover part and the shock absorber main body from an outside of the cover part through the through hole, in the cover part is further provided.