Sleeve bearing for railway traction motor
US7874255B2 · kind B2 · utility
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1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2009 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | Sep 8, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An improved sleeve bearing for locomotive traction motor that provides additional lubrication over and above that of the one central wick currently used. The sleeve bearing is provided with a recirculation system comprised of either at least two additional wicks located near the 6:00 operating location or multiple oil communication and delivery grooves passageways communicating with the oil flinger grooves placed for the purpose of collecting and providing a mechanism for providing additional lubrication for extending the oil-wetted envelope available for supporting the truck-axle journal in the axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.