Electrical transmission or interconnection systems – Plural load circuit systems – Plural sources of supply
Reexamination Certificate
2006-02-08
2009-06-16
Paladini, Albert W (Department: 2836)
Electrical transmission or interconnection systems
Plural load circuit systems
Plural sources of supply
C246S47300R
Reexamination Certificate
active
07547988
ABSTRACT:
A railway power supply system and method for electrically powering an electrical device are provided. The electrical device is situated along a railway and is powered through an electrically conductive line generally used for carrying an electrical signal to a railway signaling device. The power supply system includes a power injector coupled to the line. The line is used for carrying a signal to the signaling device at a first frequency value for performing a signaling operation. The power injector is configured to introduce at the line a power signal for powering the electrical device. The injected power is at a second frequency value that is sufficiently spread apart from the first frequency value to avoid interference with the signaling operation of the railway signaling device. The power supply system further includes a power collector coupled to the line and to the electrical device for passing the signal for powering the electrical device.
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Beusse Wolter Sanks Mora & Maire, P.A.
Cavallari Daniel
General Electric Company
Kramer, Esq. John
Mora, Esq. Enrique J.
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