Brake assembly, brake disc, wheel, and vehicle
By introducing an elastic element with a radial floating section into the braking assembly, the problem of misalignment and uneven wear between the brake disc and the disc cap was solved, achieving both durability and quietness of the brake disc.
WO2026045517A1 Publication Date: 2026-03-05BYD CO LTD
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Patent Information
- Application Number
- PCT/CN2025/102442
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-11-22
- Filing Date
- 2025-06-20
- Publication Date
- 2026-03-05
AI Technical Summary
Technical Problem
During vehicle braking, radial misalignment of the brake disc relative to the disc cap leads to uneven wear, causing mechanical damage and noise, and affecting service life.
Method used
Design a braking assembly including a disc cap, a connecting assembly, and an elastic element, the elastic element having a radial floating portion that allows the brake disc to elastically deform radially relative to the disc cap, avoiding skewing and uneven wear.
Benefits of technology
The radial floating section design reduces mechanical damage and noise to the brake disc, extends its service life, and ensures structural compactness.
✦ Generated by Eureka AI based on patent content.
Abstract
Disclosed are a brake assembly, a brake disc, a wheel, and a vehicle. The brake assembly comprises a disc cap (1), a connecting assembly (3) connected to the disc cap, and an elastic member (4); the elastic member comprises a radial floating part (41); and the radial floating part is arranged between the disc cap and the connecting assembly along the radial direction of the disc cap, and is elastically deformable along the radial direction of the disc cap. In this way, the brake assembly has a floating margin in the radial direction relative to the disc cap, and therefore, during braking, eccentric wear between the brake assembly and the disc cap caused by radial tilting of the brake assembly relative to the disc cap can be avoided, thereby reducing the mechanical damage to a brake disc (2), avoiding the noise generation, and prolonging the service life of the brake assembly.
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