Railway rolling stock – Locomotives
Reexamination Certificate
2006-10-24
2006-10-24
Morano, S. Joseph (Department: 3617)
Railway rolling stock
Locomotives
Reexamination Certificate
active
07124691
ABSTRACT:
The present invention is directed to a locomotive comprising energy storage units, such as batteries, a prime energy source, such as a diesel engine, and an energy conversion device, such as a generator. The locomotive comprises one or more of the following features: a separate chopper circuit for each traction motor; energy storage units that can be switched from parallel to series electrical connections, an fluid-activated anti-lock brake system, a controller operable to control separately and independently each axle/traction motor, and a controller operable to control automatically a speed of the locomotive. The present invention includes an integrated system for monitoring, controlling and optimizing an electrically powered locomotive using a combination of sensors and software to provide feedback that optimizes power train efficiency and individual drive axle performance for a locomotive that utilizes one of several possible electrical energy storage systems to provide the tractive power. The net result is a locomotive that has an integrated system of control over all aspects of the locomotive power train including control over individual drive axles, especially during acceleration, braking and non-synchronous wheel slip.
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“Locomot
Donnelly Frank Wegner
Iwan Brian Gulayets
Swan David Herman
Watson John David
McCarry, Jr. Robert J.
Morano S. Joseph
Railpower Technologies Corp.
Sheridan & Ross P.C.
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