Railway truck having ventilated bolster assembly
US8943977B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2012 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Feb 27, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/08
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railway truck is disclosed for use with a locomotive. The railway truck may include a first axle, a second axle, a plurality of wheels connected to each of the first and second axles, a frame connecting the first and second axles, and a plurality of traction motors. The railway truck may also include a bolster assembly pivotally connected to the frame. The bolster assembly may include a hollow bolster having an inlet and a plurality of outlets in communication with the inlet. The plurality of outlets may generally correspond to the locations of each of the plurality of traction motors. The hollow bolster may also include a flexible bellow extending between each of the plurality of outlets and each of the plurality of traction motors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.