Railcar with discharge control system
US7051661B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2004 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Aug 25, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61D7/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railcar with discharge control system is disclosed. In one embodiment, a railway car includes an underframe and at least one hopper for transporting lading. The railway car further including the underframe including a center sill which defines in part a longitudinal axis of the railway car. A discharge opening formed proximate to a lower portion of the hopper. A respective door assembly pivotally mounted adjacent to the discharge opening to control the flow of lading from the hopper. The door assembly operable for movement between a first, closed position and a second, open position relative to the discharge opening. A discharge control system operable to move the door assembly between the first position and the second position. The discharge control system operably moves generally longitudinally along the axis of the railway car to move the door assemblies between the first, closed position and the second, open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.