Rail vehicle provided with a leveling and associated running method
US10543857B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2017 |
| Grant date | Jan 28, 2020 |
| Priority date | — |
| Expiry date | Apr 4, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/22
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A rail vehicle that includes at least one car and at least one bogie that carries the car, the bogie including a chassis and a secondary suspension system between the chassis and the car, wherein the secondary suspension system includes a spring assembly mounted between the chassis and the car, the secondary suspension system including an actuator, provided with a piston extending at least partially between an upper stop secured to the car and a lower stop secured to the chassis, and a supply device of the actuator, and wherein supply device of the actuator is configured to supply the actuator such that the distance between the upper and lower stops is kept constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.