LED retrofit module for railway signaling
US9612005B2 · kind B2 · utility
0Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2014 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Nov 3, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A railway signal replacement lamp module apparatus, including a lamp housing sized to fit within a railway signal housing and a receptacle to contain a solid state light source within the lamp housing. Some embodiments include, in combination with other aspects, at least one spring-loaded connector integral to and positioned within or on the lamp housing to interface with an electrical conductor feature of a railway signal; and a thermally conductive material disposed on an exterior surface of the lamp housing to provide a thermal conduit from an exterior of the lamp housing to an interior of the railway signal housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.