Dual engine locomotive

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9415781
APP PUB NO 20100170414A1
SERIAL NO

12644000

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Abstract

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A diesel-electric locomotive has two separate engine systems, including a large engine system and a small engine system. The power output from the separate engine systems may be combined to power the locomotive's traction motors. When the locomotive requires low power output for propulsion, only the small engine system is used to power the traction motors. When the locomotive requires higher power output, only the large engine system is used to power the traction motors. When the locomotive requires maximum power output, the small and the large engine system may both be used and their power output combined to power the traction motors. Also, a unique control strategy maintains a smooth delivery of power to the traction motors in the event that one engine shuts down or starts as a result of a change in the commanded power output of the locomotive.

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Patent Owner(s)

Patent OwnerAddress
PROGRESS RAIL SERVICES CORPORATION1600 PROGRESS DRIVE PO BOX 1037 ALBERTVILLE AL 35950

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Earleson, Walter E Morton, US 15 299
Fonseca, Roy C East Peoria, US 4 49
Hardin, W Jack Metamora, US 1 12

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