Bogie for railway vehicle with a suspension system
US9096240B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 18, 2013 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Feb 4, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/52
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bogie is provided. The bogie includes two pairs of wheels, the wheels of each pair are connected to each other by an axle structure, this axle structure includes, for each wheel, an axle box. The bogie includes an articulated chassis, each axle structure is supported by the chassis by way of the primary suspension device. The primary suspension device includes, for each wheel, an arm extending substantially longitudinally between a first end that is integrally joined with the axle box associated with this wheel, and a second free end. The arm is articulated between the first and second ends about a pivot connection with the chassis. For each arm, a primary helical spring extends between a first seat provided on the second end of the arm, and a second seat carried by the chassis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.