Multiple compressor system and method for locomotives
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United States of America Patent
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Apr 5, 2016
Grant Date -
Nov 1, 2012
app pub date -
Apr 26, 2011
filing date -
Apr 26, 2011
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Abstract
A system and method for maintaining a supply of compressed air on a locomotive. In one embodiment of the invention a compressed air system for a railroad locomotive comprises: a first air compressor; a second air compressor; a layover heater for maintaining the temperature of engine coolant; and a control system, wherein the first air compressor, the second air compressor, the layover heater, and the control package can be powered by at least one of the following power sources: an onboard electrical power source; or an offboard power source, wherein the layover heater can utilize heat generated by the first air compressor and the second air compressor to maintain the temperature of engine coolant, and wherein the control system operating the compressed air system utilizes a first logic when the power source is the onboard electrical power source and a second logic when the power source is the off board power source.
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