Friction set for railway braking system
US11371571B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 31, 2018 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Nov 1, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2069/004
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Disclosed is a friction set for a railway disk brake system for railway rolling stock including: a shoe holder including a receiving slideway; a friction shoe including a brake pad and a profiled shape configured for being slid into the receiving slideway, where the friction shoe includes a pneumatic conduit connecting a first space delimited by a first surface of the friction shoe to a second space delimited by a second opposite surface the friction shoe; at least one through hole arranged in the shoe holder and laid out so as to be facing the pneumatic conduit; and a pneumatic junction ring laid out in the pneumatic conduit forming a pneumatic guide between the through hole of the shoe holder and the pneumatic conduit of the friction shoe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.