Brake pad with surface coating

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A surface coating on brake pads accelerates the bedding-in process, enhancing braking performance and extending service life by reducing heat-induced damage to the brake disc.

DE102020209857C5Active Publication Date: 2026-03-26ROBERT BOSCH GMBH

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Patent Information

Application Number: DE102020209857
Authority / Receiving Office: DE · DE
Patent Type: Patents
Current Assignee / Owner
Priority Date: 2019-08-29
Filing Date: 2020-08-05
Publication Date: 2026-03-26
Estimated Expiration: 2040-08-05

Application Information

Patent Timeline

29 Aug 2019

Priority

05 Aug 2020

Application

DE102020209857

26 Mar 2026

Publication

DE102020209857C5

IPC: F16D69/02; B32B7/12; B32B9/00; C08J5/14; C08K3/11; F16D69/00

CPC: F16D65/04; F16D69/02; F16D2069/002; F16D2200/0039; F16D2200/0034; F16D69/027; F16D2069/005; F16D65/092

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Application Domain

Synthetic resin layered products Braking members

Technology Topics

Adhesive Friction force

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AI Technical Summary

Technical Problem

Brake pads require a time-consuming bedding-in process to achieve optimal performance, which can lead to heat buildup and damage to the brake disc due to rapid application, and surface glazing reduces efficiency and shortens service life.

Method used

A surface coating on the brake pad's tribological surface, formulated to rapidly generate a transfer layer with similar friction properties to the friction lining, reduces the embedding process duration and protects the brake disc from heat-induced distortion.

Benefits of technology

The surface coating accelerates the bedding-in process, improving braking performance and extending the brake lining's service life while preventing heat-related damage to the brake disc.

✦ Generated by Eureka AI based on patent content.

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Abstract

brake pad (100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1100) comprising: a support plate (101) with a mounting surface (103), a friction lining (105) attached to the mounting surface (103) and having a tribological surface (107) which runs parallel to the mounting surface (103) within a specified tolerance; and a surface coating (109) which is attached to a part of the tribological surface (107) using an adhesive and which, when viewed in a direction perpendicular to the tribological surface (107), has a predetermined circumferential shape, wherein the tribological surface (107) of the friction lining (105) is configured to transmit frictional forces to a brake disc, wherein the surface coating (109) is a composite material, the composite material containing potassium titanate and further configured to create a transfer layer on the brake disc

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