HYBRID POWER SYSTEM FOR LOCOMOTIVE
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United States of America Patent
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Issued Date -
Nov 22, 2018
app pub date -
May 16, 2018
filing date -
May 16, 2018
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Abstract
A hybrid power system for a locomotive for reducing emissions. The hybrid power system may have at least one engine powered by natural gas, at least one engine powered by diesel fuel and/or a dual fuel mixture of diesel and natural gas, a drive system operatively coupled to the at least one natural gas powered engine and the at least one diesel and/or dual fuel powered engine for propelling the locomotive, and a system controller for independently controlling power output from the respective engines to the drive system based upon a power demand. The hybrid power system may utilize the natural gas powered engine(s) at low power demands, and then supplement this power with the diesel and/or dual fuel powered engine(s) at higher power demands.
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