公开(公告)号：US11536345B2

公开(公告)日：2022-12-27

申请号：US16979106

申请日：2019-03-28

Applicant: KYB Corporation

Inventor： Kenta Ishimaru ,  Kazuyuki Kimishima ,  Hirohito Mori ,  Masahiro Miwa ,  Gai Cho ,  Hisato Shii ,  Naoki Yasukouchi ,  Takahiro Owa

IPC: F16F9/348 ,  F16F9/32 ,  F16F9/34 ,  F16F9/512

Abstract: A valve seat member is provided with: a first seat arranged so as to be spaced apart from an opening of a port; a second seat connected to the first seat at both ends so as to surround the opening of the port; an island portion arranged on the first seat side of the opening of the port in a region surrounded by the first seat and the second seat such that a hollow space is formed between the island portion and the first seat; and a passage configured to extend through the island portion to allow communication between the port and the hollow space.