Three-point supporting device, associated vehicle and train
The three-point support device with a central emergency suspension addresses safety issues on curved tracks by providing stable, isostatic support, enhancing safety and simplifying implementation without complex primary suspension modifications.
EP4116169B1Active Publication Date: 2026-06-03ALSTOM HOLDINGS SA
Patent Information
- Authority / Receiving Office
- EP · EP
- Patent Type
- Patents
- Current Assignee / Owner
- ALSTOM HOLDINGS SA
- Filing Date
- 2022-07-04
- Publication Date
- 2026-06-03
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Abstract
The present invention relates to a three-point support device (30) for a vehicle body (32), the device (30) comprising: a. a first bogie (40) adapted to support the body (32) by a first support point, the first support point being formed by two first secondary air suspensions (50) pneumatically linked or by a central emergency suspension (52) when the first secondary air suspensions (50) are malfunctioning, and b. a second bogie (42) adapted to support the body (32) by a second and a third support point, each of the second and third support points being formed by a separate second secondary air suspension (70) or by a lateral emergency suspension (72) associated with said second secondary air suspension (70) when said second secondary air suspension (70) is malfunctioning.
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