公开(公告)号：US20240200628A1

公开(公告)日：2024-06-20

申请号：US18556010

申请日：2022-05-25

Applicant: ADVICS CO., LTD.

Inventor： Junichi UJITA ,  Hiroki HASEGAWA

IPC: F16D69/02

CPC classification number: F16D69/028 ,  F16D2200/0021 ,  F16D2200/0043 ,  F16D2200/0069 ,  F16D2200/0086

Abstract: A friction material composition including a fiber substrate, a binder, an organic filler and an inorganic filler, wherein the content of copper in the friction material composition is 5% by mass or less in terms of elemental copper, and the friction material composition includes magnesite as the inorganic filler.

公开(公告)号：US20200182321A1

公开(公告)日：2020-06-11

申请号：US16633478

申请日：2018-07-23

Applicant: ADVICS CO., LTD.

Inventor： Junichi UJITA ,  Manami SUGIRA ,  Katsuya OKYAMA ,  Takatoshi TAKEMOTO ,  Kenji ABE ,  Toru MATSUSHIMA ,  Mamoru TOYAMA ,  Yuji NAGASAWA ,  Nnvoru SUGIURA

IPC: F16D69/02

Abstract: A friction material for dry brakes containing, as raw friction materials, a fiber substrate, a binder, an organic filler, and an inorganic filler, wherein porous silica including a plurality of pores with a central pore diameter of 1.0 nm or greater and 50.0 nm or smaller that absorbs liquid matter generated by thermal decomposition of an organic matter in the friction material at the time of brake braking is contained as the inorganic filler.